mirror of https://github.com/PCSX2/pcsx2.git
231 lines
8.1 KiB
C++
231 lines
8.1 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2010 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "SysForwardDefs.h"
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#include "Utilities/SafeArray.h"
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#include "Utilities/Threading.h" // to use threading stuff, include the Threading namespace in your file.
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#include "CDVD/CDVDaccess.h"
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#include "vtlb.h"
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typedef SafeArray<u8> VmStateBuffer;
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class BaseVUmicroCPU;
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class RecompiledCodeReserve;
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// This is a table of default virtual map addresses for ps2vm components. These locations
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// are provided and used to assist in debugging and possibly hacking; as it makes it possible
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// for a programmer to know exactly where to look (consistently!) for the base address of
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// the various virtual machine components. These addresses can be keyed directly into the
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// debugger's disasm window to get disassembly of recompiled code, and they can be used to help
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// identify recompiled code addresses in the callstack.
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// All of these areas should be reserved as soon as possible during program startup, and its
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// important that none of the areas overlap. In all but superVU's case, failure due to overlap
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// or other conflict will result in the operating system picking a preferred address for the mapping.
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namespace HostMemoryMap
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{
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// superVU is OLD SCHOOL, and it requires its allocation to be in the lower 256mb
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// of the virtual memory space. (8mb each)
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static const uptr sVU0rec = _256mb - (_8mb*3);
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static const uptr sVU1rec = _256mb - (_8mb*2);
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#ifdef ASAN_WORKAROUND
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// address sanitizer uses a shadow memory to monitor the state of the memory. Shadow is computed
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// as S = (M >> 3) + 0x20000000. So PCSX2 can't use 0x20000000 to 0x3FFFFFFF... Just add another
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// 0x20000000 offset to avoid conflict.
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static const uptr EEmem = 0x40000000;
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static const uptr IOPmem = 0x44000000;
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static const uptr VUmem = 0x48000000;
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static const uptr EErec = 0x50000000;
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static const uptr IOPrec = 0x54000000;
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static const uptr VIF0rec = 0x56000000;
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static const uptr VIF1rec = 0x58000000;
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static const uptr mVU0rec = 0x5C000000;
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static const uptr mVU1rec = 0x60000000;
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#else
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// PS2 main memory, SPR, and ROMs
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static const uptr EEmem = 0x20000000;
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// IOP main memory and ROMs
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static const uptr IOPmem = 0x24000000;
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// VU0 and VU1 memory.
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static const uptr VUmem = 0x28000000;
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// EE recompiler code cache area (64mb)
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static const uptr EErec = 0x30000000;
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// IOP recompiler code cache area (16 or 32mb)
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static const uptr IOPrec = 0x34000000;
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// newVif0 recompiler code cache area (16mb)
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static const uptr VIF0rec = 0x36000000;
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// newVif1 recompiler code cache area (32mb)
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static const uptr VIF1rec = 0x38000000;
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// microVU1 recompiler code cache area (32 or 64mb)
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static const uptr mVU0rec = 0x3C000000;
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// microVU0 recompiler code cache area (64mb)
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static const uptr mVU1rec = 0x40000000;
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#endif
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}
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// --------------------------------------------------------------------------------------
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// SysMainMemory
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// --------------------------------------------------------------------------------------
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// This class provides the main memory for the virtual machines.
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class SysMainMemory
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{
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protected:
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eeMemoryReserve m_ee;
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iopMemoryReserve m_iop;
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vuMemoryReserve m_vu;
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public:
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SysMainMemory();
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virtual ~SysMainMemory();
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virtual void ReserveAll();
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virtual void CommitAll();
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virtual void ResetAll();
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virtual void DecommitAll();
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virtual void ReleaseAll();
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};
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// --------------------------------------------------------------------------------------
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// SysAllocVM
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// --------------------------------------------------------------------------------------
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class SysAllocVM
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{
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public:
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SysAllocVM();
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virtual ~SysAllocVM();
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protected:
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void CleanupMess() noexcept;
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};
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// --------------------------------------------------------------------------------------
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// SysCpuProviderPack
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// --------------------------------------------------------------------------------------
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class SysCpuProviderPack
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{
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protected:
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ScopedExcept m_RecExceptionEE;
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ScopedExcept m_RecExceptionIOP;
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public:
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std::unique_ptr<CpuInitializerSet> CpuProviders;
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SysCpuProviderPack();
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virtual ~SysCpuProviderPack();
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void ApplyConfig() const;
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#ifndef DISABLE_SVU
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BaseVUmicroCPU* getVUprovider(int whichProvider, int vuIndex) const;
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#endif
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bool HadSomeFailures( const Pcsx2Config::RecompilerOptions& recOpts ) const;
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bool IsRecAvailable_EE() const { return !m_RecExceptionEE; }
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bool IsRecAvailable_IOP() const { return !m_RecExceptionIOP; }
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BaseException* GetException_EE() const { return m_RecExceptionEE.get(); }
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BaseException* GetException_IOP() const { return m_RecExceptionIOP.get(); }
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bool IsRecAvailable_MicroVU0() const;
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bool IsRecAvailable_MicroVU1() const;
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BaseException* GetException_MicroVU0() const;
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BaseException* GetException_MicroVU1() const;
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bool IsRecAvailable_SuperVU0() const;
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bool IsRecAvailable_SuperVU1() const;
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BaseException* GetException_SuperVU0() const;
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BaseException* GetException_SuperVU1() const;
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protected:
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void CleanupMess() noexcept;
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};
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// GetCpuProviders - this function is not implemented by PCSX2 core -- it must be
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// implemented by the provisioning interface.
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extern SysCpuProviderPack& GetCpuProviders();
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extern void SysLogMachineCaps(); // Detects cpu type and fills cpuInfo structs.
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extern void SysClearExecutionCache(); // clears recompiled execution caches!
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extern void SysOutOfMemory_EmergencyResponse(uptr blocksize);
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extern u8 *SysMmapEx(uptr base, u32 size, uptr bounds, const char *caller="Unnamed");
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extern void vSyncDebugStuff( uint frame );
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extern void NTFS_CompressFile( const wxString& file, bool compressStatus=true );
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extern wxString SysGetBiosDiscID();
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extern wxString SysGetDiscID();
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extern SysMainMemory& GetVmMemory();
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// --------------------------------------------------------------------------------------
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// PCSX2_SEH - Defines existence of "built in" Structured Exception Handling support.
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// --------------------------------------------------------------------------------------
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// This should be available on Windows, via Microsoft or Intel compilers (I'm pretty sure Intel
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// supports native SEH model). GNUC in Windows, or any compiler in a non-windows platform, will
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// need to use setjmp/longjmp instead to exit recompiled code.
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//
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//#define PCSX2_SEH 0 // use this to force disable SEH on win32, to test setjmp functionality.
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#ifndef PCSX2_SEH
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# if defined(_WIN32) && !defined(__GNUC__)
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# define PCSX2_SEH 1
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# else
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# define PCSX2_SEH 0
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# endif
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#endif
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// special macro which disables inlining on functions that require their own function stackframe.
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// This is due to how Win32 handles structured exception handling. Linux uses signals instead
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// of SEH, and so these functions can be inlined.
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#ifdef _WIN32
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# define __unique_stackframe __noinline
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#else
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# define __unique_stackframe
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////
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// Different types of message boxes that the emulator can employ from the friendly confines
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// of it's blissful unawareness of whatever GUI it runs under. :) All message boxes exhibit
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// blocking behavior -- they prompt the user for action and only return after the user has
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// responded to the prompt.
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//
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namespace Msgbox
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{
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extern bool Alert( const wxString& text, const wxString& caption=_("PCSX2 Message"), int icon=wxICON_EXCLAMATION );
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extern bool OkCancel( const wxString& text, const wxString& caption=_("PCSX2 Message"), int icon=0 );
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extern bool YesNo( const wxString& text, const wxString& caption=_("PCSX2 Message"), int icon=wxICON_QUESTION );
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extern int Assertion( const wxString& text, const wxString& stacktrace );
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}
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