wxgui:

* Major cleanups and improvements to the Threading namespace.
 * Created CoreEmuThread class framework, which currently runs the EEcore, IOP, and VUs with threadsafe suspension, reset, and resume features.

git-svn-id: http://pcsx2.googlecode.com/svn/branches/wxgui@1624 96395faa-99c1-11dd-bbfe-3dabce05a288

3rdparty/w32pthreads/include/pthread.h

@@ -570,19 +570,14 @@ typedef struct _ptw32_handle_t {
 #ifdef __cplusplus
 	// Added support for various operators so that the struct is
 	// more pthreads-compliant in behavior. (air)
-	const bool operator ==( const void* rightside )
+	const bool operator ==( const struct _ptw32_handle_t rightside ) const
 	{
-		return p == rightside;
+		return p == rightside.p;
 	}
 
-	const bool operator !=( const void* rightside )
+	const bool operator !=( const struct _ptw32_handle_t rightside ) const
 	{
-		return p != rightside;
-	}
-
-	bool operator =( void* rightside )
-	{
-		p = rightside;
+		return p != rightside.p;
 	}
 #endif
 

common/include/Utilities/Exceptions.h

@@ -354,12 +354,16 @@ namespace Exception
 		explicit CreateStream(
 			const char* objname,
 			const char* msg=wxLt("File could not be created or opened") ) :
-		Stream( wxString::FromAscii( objname ), msg ) {}
+				Stream( wxString::FromAscii( objname ), msg ) {}
 
 		explicit CreateStream(
 			const wxString& objname=wxString(),
 			const char* msg=wxLt("File could not be created or opened") ) :
-		Stream( objname, msg ) {}	
+				Stream( objname, msg ) {}	
+
+		explicit CreateStream(
+			const wxString& objname, const wxString& msg_eng, const wxString& msg_xlt ) :
+				Stream( objname, msg_eng, msg_xlt ) {}	
 	};
 
 	// Exception thrown when an attempt to open a non-existent file is made.
@@ -373,8 +377,11 @@ namespace Exception
 		explicit FileNotFound(
 			const wxString& objname=wxString(),
 			const char* msg="File not found" ) :
+				CreateStream( objname, msg ) {}
+				
+		explicit FileNotFound( const wxString& objname, const wxString& msg_eng, const wxString& msg_xlt ) :
+			CreateStream( objname, msg_eng, msg_xlt ) {}	
 
-		CreateStream( objname, msg ) {}
 	};
 
 	class AccessDenied : public CreateStream

common/include/Utilities/Threading.h

@@ -24,9 +24,28 @@
 
 #include "Pcsx2Defs.h"
 
+namespace Exception
+{
+	//////////////////////////////////////////////////////////////////////////////////////////
+	// Thread termination exception, used to quickly terminate threads from anywhere in the
+	// thread's call stack.  This exception is handled by the PCSX2 PersistentThread class.  Threads
+	// not derived from that class will not handle this exception.
+	//
+	class ThreadTermination : public BaseException
+	{
+	public:
+		virtual ~ThreadTermination() throw() {}
+
+		ThreadTermination( const ThreadTermination& src ) : BaseException( src ) {}
+
+		explicit ThreadTermination() :
+		BaseException( "Thread terminated" ) { }
+	};
+}
+
 namespace Threading
 {
-	///////////////////////////////////////////////////////////////
+	//////////////////////////////////////////////////////////////////////////////////////////
 	// Define some useful object handles - wait events, mutexes.
 
 	// pthread Cond is an evil api that is not suited for Pcsx2 needs.
@@ -56,7 +75,8 @@ namespace Threading
 		void Post();
 		void Post( int multiple );
 		void Wait();
-		int Count();
+		void WaitNoCancel();
+		int  Count();
 	};
 
 	struct MutexLock
@@ -84,42 +104,42 @@ namespace Threading
 	extern void Sleep( int ms );
 
 	//////////////////////////////////////////////////////////////////////////////////////////
-	// Thread - Helper class for the basics of starting/managing simple threads.
+	// PersistentThread - Helper class for the basics of starting/managing persistent threads.
 	//
-	// Use this as a base class for your threaded procedure, and implement the 'int Callback()'
-	// method.  Use Start() and Close() to start and shutdown the thread, and use m_post_event
+	// Use this as a base class for your threaded procedure, and implement the 'int ExecuteTask()'
+	// method.  Use Start() and Cancel() to start and shutdown the thread, and use m_post_event
 	// internally to post/receive events for the thread (make a public accessor for it in your
 	// derived class if your thread utilizes the post).
 	//
 	// Notes:
-	//  * To ensure thread safety against C++'s bizarre and not-thread-friendly object
-	//    constructors and destructors, you *must* use Start() and Close().  There is a built-
-	//    in Close() called on destruction, which should work for very simple threads (that
-	//    do not have any special shutdown code of their own), but 
-	// 
 	//  * Constructing threads as static vars isn't recommended since it can potentially con-
 	//    fuse w32pthreads, if the static initializers are executed out-of-order (C++ offers
-	//    no dependency options for ensuring correct static var initializations).
+	//    no dependency options for ensuring correct static var initializations).  Use heap
+	//    allocation to create thread objects instead.
 	//
-	class Thread : NoncopyableObject
+	class PersistentThread : NoncopyableObject
 	{
 	protected:
 		typedef int (*PlainJoeFP)();
-		pthread_t m_thread;
-		int m_returncode;		// value returned from the thread on close.
-		bool m_terminated;		// set true after the thread has been closed.
-		Semaphore m_post_event;	// general wait event that's needed by most threads.
+		pthread_t	m_thread;
+		sptr		m_returncode;		// value returned from the thread on close.
+
+		bool		m_running;
+		Semaphore	m_post_event;		// general wait event that's needed by most threads.
 
 	public:
-		virtual ~Thread();
-		Thread();
+		virtual ~PersistentThread();
+		PersistentThread();
 
 		virtual void Start();
-		virtual void Close();
+		virtual void Cancel( bool isBlocking = true );
 
 		// Gets the return code of the thread.
 		// Throws std::logic_error if the thread has not terminated.
-		int GetReturnCode() const;
+		virtual int GetReturnCode() const;
+		
+		virtual bool IsRunning() const;
+		virtual sptr Block();		
 
 	protected:
 		// Used to dispatch the thread callback function.
@@ -128,7 +148,20 @@ namespace Threading
 		static void* _internal_callback( void* func );
 
 		// Implemented by derived class to handle threading actions!
-		virtual int Callback()=0;
+		virtual sptr ExecuteTask()=0;
+
+	// ----------------------------------------------------------------------------
+	//        Static Methods (PersistentThread)
+	// ----------------------------------------------------------------------------
+	public:
+		// performs a test on the given thread handle, returning true if the thread exists
+		// or false if the thread is dead/done/never existed.
+		static bool Exists( pthread_t pid )
+		{
+			// passing 0 to pthread_kill is a NOP, and returns the status of the thread only.
+			return ( ESRCH != pthread_kill( pid, 0 ) );
+		}
+
 	};
 
 	//////////////////////////////////////////////////////////////////////////////////////////
@@ -136,22 +169,41 @@ namespace Threading
 	// Using this class provides an exception-safe (and generally clean) method of locking
 	// code inside a function or conditional block.
 	//
-	class ScopedLock : NoncopyableObject
+	class ScopedLock : public NoncopyableObject
 	{
 	protected:
 		MutexLock& m_lock;
+		bool m_IsLocked;
 
 	public:
 		virtual ~ScopedLock()
 		{
-			m_lock.Unlock();
+			if( m_IsLocked )
+				m_lock.Unlock();
 		}
 
 		ScopedLock( MutexLock& locker ) :
-		m_lock( locker )
+			m_lock( locker )
+		,	m_IsLocked( true )
 		{
 			m_lock.Lock();
 		}
+		
+		// Provides manual unlocking of a scoped lock prior to object destruction.
+		void Unlock()
+		{
+			if( !m_IsLocked ) return;
+			m_IsLocked = false;
+			m_lock.Unlock();
+		}
+		
+		// provides manual locking of a scoped lock, to re-lock after a manual unlocking.
+		void Lock()
+		{
+			if( m_IsLocked ) return;
+			m_lock.Lock();
+			m_IsLocked = true;
+		}
 	};
 
 	//////////////////////////////////////////////////////////////////////////////////////////
@@ -187,49 +239,49 @@ namespace Threading
 	//    into smaller sections.  For example, if you have 20,000 items to process, the task
 	//    can be divided into two threads of 10,000 items each.
 	// 
-	class BaseTaskThread : public Thread
+	class BaseTaskThread : public PersistentThread
 	{
 	protected:
-		volatile bool m_done;
+		volatile bool m_Done;
 		volatile bool m_TaskComplete;
+		Semaphore m_post_TaskComplete;
 
 	public:
 		virtual ~BaseTaskThread() {}
 		BaseTaskThread() :
-			m_done( false )
+			m_Done( false )
 		,	m_TaskComplete( false )
+		,	m_post_TaskComplete()
 		{
 		}
 
 		// Tells the thread to exit and then waits for thread termination.
-		// To force-terminate the thread without "nicely" waiting for the task to complete,
-		// explicitly use the Thread::Close parent implementation instead.
-		void Close()
+		sptr Block()
 		{
-			if( m_terminated ) return;
-			m_done = true;
+			if( !m_running ) return m_returncode;
+			m_Done = true;
 			m_post_event.Post();
-			pthread_join( m_thread, NULL );
+			return PersistentThread::Block();
 		}
 		
 		// Initiates the new task.  This should be called after your own StartTask has
 		// initialized internal variables / preparations for task execution.
 		void PostTask()
 		{
-			jASSUME( !m_terminated );
+			jASSUME( m_running );
 			m_TaskComplete = false;
+			m_post_TaskComplete.Reset();
 			m_post_event.Post();
 		}
 
 		// Blocks current thread execution pending the completion of the parallel task.
-		void WaitForResult() const
+		void WaitForResult()
 		{
-			if( m_terminated ) return;
-			while( !m_TaskComplete )
-			{
-				Timeslice();
-				SpinWait();
-			}
+			if( !m_running ) return;
+			if( !m_TaskComplete )
+				m_post_TaskComplete.Wait();
+			else
+				m_post_TaskComplete.Reset();
 		}
 		
 	protected:
@@ -237,18 +289,19 @@ namespace Threading
 		// all your necessary processing work here.
 		virtual void Task()=0;
 
-		int Callback()
+		sptr ExecuteTask()
 		{
 			do
 			{
 				// Wait for a job!
 				m_post_event.Wait();
 
-				if( m_done ) break;
+				if( m_Done ) break;
 				Task();
 				m_TaskComplete = true;
-			} while( !m_done );
-			
+				m_post_TaskComplete.Post();
+			} while( !m_Done );
+
 			return 0;
 		}
 	};

common/src/Utilities/Exceptions.cpp

@@ -80,7 +80,7 @@ namespace Exception
 
 	wxString Stream::DisplayMessage() const
 	{
-		return m_message + L"\n" + StreamName.c_str();
+		return m_message + L"\n\n" + StreamName;
 	}
 
 	// ------------------------------------------------------------------------

common/src/Utilities/Linux/LnxThreads.cpp

@@ -65,15 +65,4 @@ namespace Threading
 		// performance hint and isn't required).
 		__asm__ ( "pause" );
 	}
-
-	void* Thread::_internal_callback( void* itsme )
-	{
-		jASSUME( itsme != NULL );
-
-		Thread& owner = *((Thread*)itsme);
-		owner.m_returncode = owner.Callback();
-		owner.m_terminated = true;
-
-		return NULL;
-	}
 }

common/src/Utilities/ThreadTools.cpp

@@ -23,40 +23,94 @@ using namespace Threading;
 
 namespace Threading
 {
-	Thread::Thread() :
+	PersistentThread::PersistentThread() :
 		m_thread()
 	,	m_returncode( 0 )
-	,	m_terminated( false )
+	,	m_running( false )
 	,	m_post_event()
 	{
 	}
 
-	Thread::~Thread()
+	// Perform a blocking termination of the thread, to ensure full object cleanup.
+	PersistentThread::~PersistentThread()
 	{
-		Close();
+		Cancel( false );
 	}
 
-	void Thread::Start()
+	void PersistentThread::Start()
 	{
-		m_terminated = false;
 		if( pthread_create( &m_thread, NULL, _internal_callback, this ) != 0 )
 			throw Exception::ThreadCreationError();
+
+		m_running = true;
 	}
 
-	void Thread::Close()
+	// Remarks:
+	//   Provision of non-blocking Cancel() is probably academic, since destroying a PersistentThread
+	//   object performs a blocking Cancel regardless of if you explicitly do a non-blocking Cancel()
+	//   prior, since the ExecuteTask() method requires a valid object state.  If you really need
+	//   fire-and-forget behavior on threads, use pthreads directly for now.
+	//   (TODO : make a DetachedThread class?)
+	//
+	// Parameters:
+	//   isBlocking - indicates if the Cancel action should block for thread completion or not.
+	//
+	void PersistentThread::Cancel( bool isBlocking )
 	{
-		if( !m_terminated )
-			pthread_cancel( m_thread );
-		pthread_join( m_thread, NULL );
+		if( !m_running ) return;
+		m_running = false;
+
+		pthread_cancel( m_thread );
+		if( isBlocking )
+			pthread_join( m_thread, (void**)&m_returncode );
+		else
+			pthread_detach( m_thread );
 	}
 
-	int Thread::GetReturnCode() const
+	// Blocks execution of the calling thread until this thread completes its task.  The
+	// caller should make sure to signal the thread to exit, or else blocking may deadlock the
+	// calling thread.  Classes which extend PersistentThread should override this method
+	// and signal any necessary thread exit variables prior to blocking.
+	//
+	// Returns the return code of the thread.
+	// This method is roughly the equivalent of pthread_join().
+	//
+	sptr PersistentThread::Block()
 	{
-		if( !m_terminated )
-			throw std::logic_error( "Thread is still running. No return code is available." );
+		bool isOwner = (pthread_self() == m_thread);
+		DevAssert( !isOwner, "Thread deadlock detected; Block() should never be called by the owner thread." );
+
+		pthread_join( m_thread, (void**)&m_returncode );
+		return m_returncode;
+	}
+	
+	bool PersistentThread::IsRunning() const
+	{
+		return ( m_running && (ESRCH != pthread_kill( m_thread, 0 )) );
+	}
+
+	// Exceptions:
+	//   InvalidOperation - thrown if the thread is still running or has never been started.
+	//
+	sptr PersistentThread::GetReturnCode() const
+	{
+		if( !m_running )
+			throw Exception::InvalidOperation( "Thread.GetReturnCode : thread has not been started." );
+
+		if( IsRunning() )
+			throw Exception::InvalidOperation( "Thread.GetReturnCode : thread is still running." );
 
 		return m_returncode;
 	}
+	
+	void* PersistentThread::_internal_callback( void* itsme )
+	{
+		jASSUME( itsme != NULL );
+
+		PersistentThread& owner = *((PersistentThread*)itsme);
+		owner.m_returncode = owner.ExecuteTask();
+		return (void*)owner.m_returncode;
+	}
 
 // pthread Cond is an evil api that is not suited for Pcsx2 needs.
 // Let's not use it. (Air)
@@ -123,6 +177,22 @@ namespace Threading
 		sem_wait( &sema );
 	}
 
+	// Performs an uncancellable wait on a semaphore; restoring the thread's previous cancel state
+	// after the wait has completed.  Useful for situations where the semaphore itself is stored on
+	// the stack and passed to another thread via GUI message or such, avoiding complications where
+	// the thread might be cancelled and the stack value becomes invalid.
+	//
+	// Performance note: this function has quite a bit more overhead compared to Semaphore::Wait(), so
+	// consider manually specifying the thread as uncancellable and using Wait() instead if you need
+	// to do a lot of no-cancel waits in a tight loop worker thread, for example.
+	void Semaphore::WaitNoCancel()
+	{
+		int oldstate;
+		pthread_setcancelstate( PTHREAD_CANCEL_DISABLE, &oldstate );
+		Wait();
+		pthread_setcancelstate( oldstate, NULL );
+	}
+
 	int Semaphore::Count()
 	{
 		int retval;

common/src/Utilities/Windows/WinThreads.cpp

@@ -72,20 +72,5 @@ namespace Threading
 	{
 		__asm { pause };
 	}
-
-	void* Thread::_internal_callback( void* itsme )
-	{
-		jASSUME( itsme != NULL );
-
-		//pthread_win32_thread_attach_np();
-
-		Thread& owner = *((Thread*)itsme);
-		owner.m_returncode = owner.Callback();
-		owner.m_terminated = true;
-
-		//pthread_win32_thread_detach_np();
-
-		return NULL;
-	}
 }
 

pcsx2/CDVD/CDVD.cpp

@@ -526,7 +526,7 @@ void cdvdDetectDisk()
 	cdvd.Type = DoCDVDdetectDiskType();
 
 	wxString str;
-	int result = GetPS2ElfName(str);
+	GetPS2ElfName(str);
 
 	// Now's a good time to reload the ELF info...
 	if( ElfCRC == 0 )

pcsx2/Config.h

@@ -32,6 +32,14 @@ enum PluginsEnum_t
 	PluginId_Count
 };
 
+// This macro is actually useful for about any and every possible application of C++
+// equality operators.
+#define OpEqu( field )		(field == right.field)
+
+//------------ DEFAULT sseMXCSR VALUES ---------------
+#define DEFAULT_sseMXCSR	0xffc0 //FPU rounding > DaZ, FtZ, "chop"
+#define DEFAULT_sseVUMXCSR	0xffc0 //VU  rounding > DaZ, FtZ, "chop"
+
 /////////////////////////////////////////////////////////////////////////////////////////
 // Pcsx2Config
 //
@@ -50,28 +58,56 @@ class Pcsx2Config
 public:
 	struct ProfilerOptions
 	{
-		bool
-			Enabled:1,			// universal toggle for the profiler.
-			RecBlocks_EE:1,		// Enables per-block profiling for the EE recompiler [unimplemented]
-			RecBlocks_IOP:1,	// Enables per-block profiling for the IOP recompiler [unimplemented]
-			RecBlocks_VU0:1,	// Enables per-block profiling for the VU0 recompiler [unimplemented]
-			RecBlocks_VU1:1;	// Enables per-block profiling for the VU1 recompiler [unimplemented]
+		union
+		{
+			struct
+			{
+				bool
+					Enabled:1,			// universal toggle for the profiler.
+					RecBlocks_EE:1,		// Enables per-block profiling for the EE recompiler [unimplemented]
+					RecBlocks_IOP:1,	// Enables per-block profiling for the IOP recompiler [unimplemented]
+					RecBlocks_VU0:1,	// Enables per-block profiling for the VU0 recompiler [unimplemented]
+					RecBlocks_VU1:1;	// Enables per-block profiling for the VU1 recompiler [unimplemented]
+			};
+			u8 bits;
+		};
+
+		ProfilerOptions() : bits( 0 ) {}
 
 		void LoadSave( IniInterface& conf );
+
+		bool operator ==( const ProfilerOptions& right ) const
+		{
+			return OpEqu( bits );
+		}
+
+		bool operator !=( const ProfilerOptions& right ) const
+		{
+			return !this->operator ==( right );
+		}
 	};
 	
 	// ------------------------------------------------------------------------
 	struct RecompilerOptions
 	{
-		bool
-			EnableEE:1,
-			EnableIOP:1,
-			EnableVU0:1,
-			EnableVU1:1;
-			
-		bool
-			UseMicroVU0:1,
-			UseMicroVU1:1;
+		union
+		{
+			struct
+			{
+				bool
+					EnableEE:1,
+					EnableIOP:1,
+					EnableVU0:1,
+					EnableVU1:1;
+					
+				bool
+					UseMicroVU0:1,
+					UseMicroVU1:1;
+			};
+			u8 bits;
+		};
+		
+		RecompilerOptions() : bits( 0 ) { }
 
 		void Load( const wxString& srcfile );
 		void Load( const wxInputStream& srcstream );
@@ -80,29 +116,64 @@ public:
 
 		void LoadSave( IniInterface& conf );
 
+		bool operator ==( const RecompilerOptions& right ) const
+		{
+			return OpEqu( bits );
+		}
+
+		bool operator !=( const RecompilerOptions& right ) const
+		{
+			return !this->operator ==( right );
+		}
+
 	} Recompiler;
 
 	// ------------------------------------------------------------------------
 	struct CpuOptions
 	{
+		RecompilerOptions Recompiler;
+
 		u32 sseMXCSR;
 		u32 sseVUMXCSR;
 
-		bool
-			vuOverflow:1,
-			vuExtraOverflow:1,
-			vuSignOverflow:1,
-			vuUnderflow:1;
-			
-		bool
-			fpuOverflow:1,
-			fpuExtraOverflow:1,
-			fpuFullMode:1;
+		struct 
+		{
+			union
+			{
+				bool
+					vuOverflow:1,
+					vuExtraOverflow:1,
+					vuSignOverflow:1,
+					vuUnderflow:1;
+					
+				bool
+					fpuOverflow:1,
+					fpuExtraOverflow:1,
+					fpuFullMode:1;
+			};
+			u8 bits;
+		};
 
-		ProfilerOptions Profiler;
-		RecompilerOptions Recompiler;
+		CpuOptions() : 
+			sseMXCSR( DEFAULT_sseMXCSR )
+		,	sseVUMXCSR( DEFAULT_sseVUMXCSR )
+		,	bits( 0 )
+		{
+		}
 
 		void LoadSave( IniInterface& conf );
+		
+		bool operator ==( const CpuOptions& right ) const
+		{
+			return
+				OpEqu( sseMXCSR )	&& OpEqu( sseVUMXCSR )	&&
+				OpEqu( bits )		&& OpEqu( Recompiler );
+		}
+
+		bool operator !=( const CpuOptions& right ) const
+		{
+			return !this->operator ==( right );
+		}
 	};
 
 	// ------------------------------------------------------------------------
@@ -128,36 +199,77 @@ public:
 	// ------------------------------------------------------------------------
 	struct GamefixOptions
 	{
-		bool
-			VuAddSubHack:1,		// Fix for Tri-ace games, they use an encryption algorithm that requires VU ADDI opcode to be bit-accurate.
-			VuClipFlagHack:1,	// Fix for Digimon Rumble Arena 2, fixes spinning/hanging on intro-menu.
-			FpuCompareHack:1,	// Fix for Persona games, maybe others. It's to do with the VU clip flag (again).
-			FpuMulHack:1,		// Fix for Tales of Destiny hangs.
-			XgKickHack:1;		// Fix for Erementar Gerad, adds more delay to VU XGkick instructions. Corrects the color of some graphics, but breaks Tri-ace games and others.
+		union
+		{
+			struct 
+			{
+				bool
+					VuAddSubHack:1,		// Fix for Tri-ace games, they use an encryption algorithm that requires VU ADDI opcode to be bit-accurate.
+					VuClipFlagHack:1,	// Fix for Digimon Rumble Arena 2, fixes spinning/hanging on intro-menu.
+					FpuCompareHack:1,	// Fix for Persona games, maybe others. It's to do with the VU clip flag (again).
+					FpuMulHack:1,		// Fix for Tales of Destiny hangs.
+					XgKickHack:1;		// Fix for Erementar Gerad, adds more delay to VU XGkick instructions. Corrects the color of some graphics, but breaks Tri-ace games and others.
+			};
+			u8 bits;
+		};
+
+		GamefixOptions() : bits( 0 ) {}
 
 		void LoadSave( IniInterface& conf );
+
+		bool operator ==( const GamefixOptions& right ) const
+		{
+			return OpEqu( bits );
+		}
+
+		bool operator !=( const GamefixOptions& right ) const
+		{
+			return !this->operator ==( right );
+		}
 	};
 
 	// ------------------------------------------------------------------------
 	struct SpeedhackOptions
 	{
-		int
-			EECycleRate:2,		// EE cyclerate selector (1.0, 1.5, 2.0)
-			VUCycleSteal:3,		// VU Cycle Stealer factor (0, 1, 2, or 3)
-			IopCycleRate_X2:1,	// enables the x2 multiplier of the IOP cyclerate
-			IntcStat:1,			// tells Pcsx2 to fast-forward through intc_stat waits.
-			BIFC0:1,			// enables BIFC0 detection and fast-forwarding
-			
-			vuMinMax:1,			// microVU specific MinMax hack; Can cause SPS, Black Screens,  etc...
-			vuFlagHack:1;		// MicroVU specific flag hack; Can cause Infinite loops, SPS, etc...
+		union
+		{
+			struct 
+			{
+				int
+					EECycleRate:2,		// EE cyclerate selector (1.0, 1.5, 2.0)
+					VUCycleSteal:3,		// VU Cycle Stealer factor (0, 1, 2, or 3)
+					IopCycleRate_X2:1,	// enables the x2 multiplier of the IOP cyclerate
+					IntcStat:1,			// tells Pcsx2 to fast-forward through intc_stat waits.
+					BIFC0:1,			// enables BIFC0 detection and fast-forwarding
+					
+					vuMinMax:1,			// microVU specific MinMax hack; Can cause SPS, Black Screens,  etc...
+					vuFlagHack:1;		// MicroVU specific flag hack; Can cause Infinite loops, SPS, etc...
+			};
+			u16	bits;
+		};
+
+		SpeedhackOptions() : bits( 0 ) {}
 
 		void LoadSave( IniInterface& conf );
+
+		bool operator ==( const SpeedhackOptions& right ) const
+		{
+			return OpEqu( bits );
+		}
+
+		bool operator !=( const SpeedhackOptions& right ) const
+		{
+			return !this->operator ==( right );
+		}
 	};
 
 public:
 	bool		CdvdVerboseReads:1;		// enables cdvd read activity verbosely dumped to the console
-	bool		CdvdDumpBlocks:1;
-	bool		EnablePatches:1;
+	bool		CdvdDumpBlocks:1;		// enables cdvd block dumping
+	bool		EnablePatches:1;		// enables patch detection and application
+
+	// when enabled performs bios stub execution, skipping full sony bios + splash screens
+	bool		SkipBiosSplash:1;
 
 	// Closes the GS/Video port on escape (good for fullscreen activity)
 	bool		closeGSonEsc:1;
@@ -169,6 +281,7 @@ public:
 	VideoOptions		Video;
 	SpeedhackOptions	Speedhacks;
 	GamefixOptions		Gamefixes;
+	ProfilerOptions		Profiler;
 
 	void Load( const wxString& srcfile );
 	void Load( const wxInputStream& srcstream );
@@ -178,21 +291,6 @@ public:
 	void LoadSave( IniInterface& ini );
 };
 
-// Pauses the emulation state at the next PS2 vsync, and returns control to the calling
-// thread; or does nothing if the core is already suspended.  Calling this thread from the
-// Core thread will result in deadlock.
-extern void Core_Suspend();
-
-// Applies a full suite of new settings, which will automatically facilitate the necessary
-// resets of the core and components (including plugins, if needed).  The scope of resetting
-// is determined by comparing the current settings against the new settings.
-extern void Core_ApplySettings( const Pcsx2Config& src );
-
-// Resumes the core execution state, or does nothing is the core is already running.  If
-// settings were changed, resets will be performed as needed and emulation state resumed from
-// memory savestates.
-extern void Core_Resume();
-
 //////////////////////////////////////////////////////////////////////////
 // Session Configuration Override Flags
 //
@@ -244,10 +342,6 @@ extern SessionOverrideFlags g_Session;
 #define CHECK_FPU_EXTRA_FLAGS		1	// Always enabled now // Sets D/I flags on FPU instructions
 #define CHECK_FPU_FULL				(EmuConfig.Cpu.fpuFullMode)
 
-//------------ DEFAULT sseMXCSR VALUES!!! ---------------
-#define DEFAULT_sseMXCSR	0xffc0 //FPU rounding > DaZ, FtZ, "chop"
-#define DEFAULT_sseVUMXCSR	0xffc0 //VU  rounding > DaZ, FtZ, "chop"
-
 //------------ EE Recompiler defines - Comment to disable a recompiler ---------------
 
 #define SHIFT_RECOMPILE		// Speed majorly reduced if disabled

pcsx2/Elfheader.cpp

@@ -505,28 +505,27 @@ u32 loadElfCRC( const char* filename )
 	return crcval;
 }
 
-int loadElfFile(const wxString& filename)
+// Loads the elf binary data from the specified file into PS2 memory, and injects the ELF's
+// starting execution point into cpuRegs.pc.  If the filename is a cdrom URI in the form
+// of "cdrom0:" or "cdrom1:" then the CDVD is used as the source; otherwise the ELF is loaded
+// from the host filesystem.
+//
+// If the specified filename is empty then no action is taken (PS2 will continue booting
+// normally as if it has no CD
+//
+// Throws exception on error:
+//
+void loadElfFile(const wxString& filename)
 {
-	// Reset all recompilers prior to initiating a BIOS or new ELF.  The cleaner the
-	// slate, the happier the recompiler!
-
-	SysClearExecutionCache();
-
-	if( filename.IsEmpty() )
-	{
-		Console::Notice( "Running the PS2 BIOS..." );
-		return -1;
-	}
-
-	// We still need to run the BIOS stub, so that all the EE hardware gets initialized correctly.
-	cpuExecuteBios();
-
+	if( filename.IsEmpty() ) return;
+	
 	int elfsize;
 	Console::Status( wxsFormat( L"loadElfFile: %s", filename.c_str() ) );
 
 	const wxCharBuffer buffer( filename.ToAscii() );
 	const char* fnptr = buffer.data();
-
+	bool useCdvdSource=false;
+	
 	if( !filename.StartsWith( L"cdrom0:" ) && !filename.StartsWith( L"cdrom1:" ) )
 	{
 		// Loading from a file (or non-cd image)
@@ -536,23 +535,25 @@ int loadElfFile(const wxString& filename)
 	else
 	{
 		// Loading from a CD rom or CD image.
+		useCdvdSource = true;
 		TocEntry toc;
 		IsoFS_init( );
 		if ( IsoFS_findFile( fnptr + strlen( "cdromN:" ), &toc ) == -1 )
-			return -1;
+			throw Exception::FileNotFound( filename, wxLt("ELF file was not found on the CDVD source media.") );
 		elfsize = toc.fileSize;
 	}
 
 	Console::Status( wxsFormat(L"loadElfFile: %d", elfsize) );
-	if( elfsize == 0 ) return -1;
+	if( elfsize == 0 )
+		throw Exception::BadStream( filename, wxLt("Unexpected end of ELF file: ") );
 
 	ElfObject elfobj( filename, elfsize );
 
 	if( elfobj.proghead == NULL )
 	{
-		throw Exception::CpuStateShutdown(
-			wxsFormat( L"Invalid ELF header encountered in file:\n\t%s", elfobj.filename.c_str() ),
-			wxsFormat( L"Invalid ELF header, file: %s", elfobj.filename.c_str() )
+		throw Exception::BadStream( filename, useCdvdSource ?
+			wxLt("Invalid ELF file header.  The CD-Rom may be damaged, or the ISO image corrupted.") :
+			wxLt("Invalid ELF file.")
 		);
 	}
 
@@ -583,6 +584,6 @@ int loadElfFile(const wxString& filename)
 
 	ElfApplyPatches();
 	
-	return 0;
+	return;
 }
 

pcsx2/Elfheader.h

@@ -24,9 +24,9 @@ extern char args[256];		//to be filled by GUI
 extern unsigned int args_ptr;
 
 //-------------------
-int loadElfFile(const wxString& filename);
-u32 loadElfCRC(const char *filename);
-void ElfApplyPatches();
+extern void loadElfFile(const wxString& filename);
+extern u32  loadElfCRC(const char *filename);
+extern void ElfApplyPatches();
 
 extern u32 ElfCRC;
 

pcsx2/GS.h

@@ -154,7 +154,7 @@ enum GS_RINGTYPE
 ,	GS_RINGTYPE_QUIT
 };
 
-class mtgsThreadObject : public Threading::Thread
+class mtgsThreadObject : public Threading::PersistentThread
 {
 	friend class SaveState;
 
@@ -225,7 +225,7 @@ public:
 	virtual ~mtgsThreadObject();
 
 	void Start();
-	void Close();
+	void Cancel();
 	void Reset();
 	void GIFSoftReset( int mask );
 
@@ -276,7 +276,7 @@ protected:
 	uint _PrepForSimplePacket();
 	void _FinishSimplePacket( uint future_writepos );
 
-	int Callback();
+	sptr ExecuteTask();
 };
 
 extern mtgsThreadObject* mtgsThread;

pcsx2/MTGS.cpp

@@ -177,7 +177,7 @@ typedef void (*GIFRegHandler)(const u32* data);
 static GIFRegHandler s_GSHandlers[3] = { RegHandlerSIGNAL, RegHandlerFINISH, RegHandlerLABEL };
 
 mtgsThreadObject::mtgsThreadObject() :
-	Thread()
+	PersistentThread()
 ,	m_RingPos( 0 )
 ,	m_WritePos( 0 )
 
@@ -204,7 +204,7 @@ mtgsThreadObject::mtgsThreadObject() :
 
 void mtgsThreadObject::Start()
 {
-	Thread::Start();
+	PersistentThread::Start();
 
 	// Wait for the thread to finish initialization (it runs GSopen, which can take
 	// some time since it's creating a new window and all), and then check for errors.
@@ -217,10 +217,10 @@ void mtgsThreadObject::Start()
 
 mtgsThreadObject::~mtgsThreadObject()
 {
-	Close();
+	Cancel();
 }
 
-void mtgsThreadObject::Close()
+void mtgsThreadObject::Cancel()
 {
 	Console::WriteLn( "MTGS > Closing GS thread..." );
 	SendSimplePacket( GS_RINGTYPE_QUIT, 0, 0, 0 );
@@ -499,7 +499,7 @@ struct PacketTagType
 #ifndef __LINUX__
 extern bool renderswitch;
 #endif
-int mtgsThreadObject::Callback()
+sptr mtgsThreadObject::ExecuteTask()
 {
 	Console::WriteLn("MTGS > Thread Started, Opening GS Plugin...");
 

pcsx2/Memory.cpp

@@ -805,7 +805,7 @@ void memReset()
 	wxString Bios( g_Conf->FullpathToBios() );
 
 	long filesize = Path::GetFileSize( Bios );
-	if( filesize <= 0 )
+	if( filesize > 0 )
 	{
 		wxFile fp( Bios.c_str() );
 		fp.Read( PS2MEM_ROM, min( (long)Ps2MemSize::Rom, filesize ) );
@@ -813,7 +813,14 @@ void memReset()
 	else
 	{
 		// Translated: Bios file not found or not specified ... A bios is required for Pcsx2 to run!
-		throw Exception::FileNotFound( Bios, wxLt("Bios not found") );
+		throw Exception::FileNotFound( Bios,
+			L"Configured Bios file does not exist",
+			pxE( ".Error:BiosNotFound",
+				L"The configured BIOS file does not exist, or no BIOS has been configured.\n\n"
+				L"PCSX2 requires a PS2 BIOS to run; and the BIOS *must* be obtained from an actual PS2 unit\n"
+				L"that you own (borrowing doesn't count).  Please consult the FAQs and Guides for further instructions."
+			)
+		);
 	}
 
 	BiosVersion = GetBiosVersion();

pcsx2/Misc.cpp

@@ -237,6 +237,10 @@ bool IsBIOS(const wxString& filename, wxString& description)
 	return false;	//fail quietly
 }
 
+// return value:
+//   0 - Invalid or unknown disc.
+//   1 - PS1 CD
+//   2 - PS2 CD
 int GetPS2ElfName( wxString& name )
 {
 	int f;
@@ -262,7 +266,7 @@ int GetPS2ElfName( wxString& name )
 	if (pos==NULL){
 		pos=strstr(buffer, "BOOT");
 		if (pos==NULL) {
-			Console::Error("Boot Error > This is not a PS2 game!");
+			Console::Error("Boot failed: This is not a Playstation or PS2 game!");
 			return 0;
 		}
 		return 1;
@@ -453,7 +457,7 @@ void ProcessFKeys(int fkey, struct KeyModifiers *keymod)
 					wxsFormat( L"Error!  Could not load from saveslot %d\n", StatesC ) + ex.LogMessage(),
 
 					// translated message:
-					wxsFormat( L"Error loading saveslot %d.  Emulator reset.", StatesC )
+					wxsFormat( _("Error loading saveslot %d.  Emulator reset."), StatesC )
 				);
 			}
 			break;

pcsx2/Pcsx2Config.cpp

@@ -76,7 +76,6 @@ void Pcsx2Config::CpuOptions::LoadSave( IniInterface& ini )
 	IniBitBool( fpuFullMode,		false );
 
 	Recompiler.LoadSave( ini );
-	Profiler.LoadSave( ini );
 	
 	ini.SetPath( L".." );
 }
@@ -112,6 +111,7 @@ void Pcsx2Config::LoadSave( IniInterface& ini )
 	Cpu.LoadSave( ini );
 	Video.LoadSave( ini );
 	Gamefixes.LoadSave( ini );
+	Profiler.LoadSave( ini );
 	
 	ini.SetPath( L".." );
 	ini.Flush();

pcsx2/Plugins.cpp

@@ -720,14 +720,7 @@ void InitPlugins()
 	return 0;*/
 }
 
-// ----------------------------------------------------------------------------
-// Opens all plugins and initializes the CDVD plugin to use the given filename.  If the filename is null
-// then the cdvd plugin uses whatever file it has been configured to use.  If plugin have not been
-// initialized by an explicit call to InitializePlugins, this method will do so for you.
-//
-// fixme: the cdvd filename really should be passed to the cdvd plugin as a separate API call. >_<
-//
-void OpenPlugins(const char* cdvdFilename)
+void OpenPlugins()
 {
 	/*if (!plugins_initialized)
 	{

pcsx2/Plugins.h

@@ -113,7 +113,7 @@ extern PluginManager* g_plugins;
 void LoadPlugins();
 void ReleasePlugins();
 
-void OpenPlugins(const char* pTitleFilename);
+void OpenPlugins();
 void ClosePlugins( bool closegs );
 void CloseGS();
 

pcsx2/R5900.cpp

@@ -47,7 +47,7 @@ PCSX2_ALIGNED16(fpuRegisters fpuRegs);
 PCSX2_ALIGNED16(tlbs tlb[48]);
 R5900cpu *Cpu = NULL;
 
-u32 bExecBIOS = 0; // set if the BIOS has already been executed
+bool g_ExecBiosHack = false; // set if the BIOS has already been executed
 
 static bool cpuIsInitialized = false;
 static const uint eeWaitCycles = 3072;
@@ -556,21 +556,27 @@ __forceinline void cpuTestHwInts() {
 // memory and hardware.  It forcefully breaks execution when the stub is finished, prior
 // to the PS2 logos being displayed.  This allows us to "shortcut" right into a game
 // without having to wait through the logos or endure game/bios localization checks.
+//
+// Use of this function must be followed by the proper injection of the elf header's code
+// execution entry point into cpuRegs.pc.  Failure to modify cpuRegs.pc will result in the
+// bios continuing its normal unimpeeded splashscreen execution.
+//
 void cpuExecuteBios()
 {
 	// Set the video mode to user's default request:
 	gsSetRegionMode( (GS_RegionMode)EmuConfig.Video.DefaultRegionMode );
 
-	Console::Notice( "* PCSX2 *: ExecuteBios" );
+	Console::Status( "Executing Bios Stub..." );
 
-	bExecBIOS = TRUE;
-	while (cpuRegs.pc != 0x00200008 &&
-		   cpuRegs.pc != 0x00100008) {
+	g_ExecBiosHack = true;
+	while(	cpuRegs.pc != 0x00200008 &&
+			cpuRegs.pc != 0x00100008 )
+	{
 		g_nextBranchCycle = cpuRegs.cycle;
 		Cpu->ExecuteBlock();
 	}
+	g_ExecBiosHack = false;
 
-	bExecBIOS = FALSE;
 //    {
 //        FILE* f = fopen("eebios.bin", "wb");
 //        fwrite(PSM(0x80000000), 0x100000, 1, f);
@@ -586,12 +592,12 @@ void cpuExecuteBios()
 //	REC_CLEARM(0x00100008);
 //	REC_CLEARM(cpuRegs.pc);
 
-	// Reset the EErecs here, because the bios generates "slow" blocks that have hacky
-	// bBiosEnd checks in them and stuff.  This deletes them so that the recs replace them
+	// Reset the EErecs here, because the bios generates "slow" blocks that have
+	// g_ExecBiosHack checks in them.  This deletes them so that the recs replace them
 	// with new faster versions:
 	Cpu->Reset();
 
-	Console::Notice("* PCSX2 *: ExecuteBios Complete");
+	Console::Notice("Execute Bios Stub Complete");
 	//GSprintf(5, "PCSX2 " PCSX2_VERSION "\nExecuteBios Complete\n");
 }
 

pcsx2/R5900.h

@@ -28,7 +28,7 @@ extern const char* const bios[256];
 
 extern s32 EEsCycle;
 extern u32 EEoCycle;
-extern u32 bExecBIOS;
+extern bool g_ExecBiosHack;
 
 union GPR_reg {   // Declare union type GPR register
 	u64 UD[2];      //128 bits

pcsx2/RecoverySystem.cpp

@@ -80,7 +80,7 @@ namespace StateRecovery {
 	void Recover()
 	{
 		// Just in case they weren't initialized earlier (no harm in calling this multiple times)
-		OpenPlugins(NULL);
+		OpenPlugins();
 
 		if( g_RecoveryState != NULL )
 		{

pcsx2/Saveslots.cpp

@@ -48,7 +48,7 @@ static void _loadStateOrExcept( const wxString& file )
 
 	// Make sure the cpu and plugins are ready to be state-ified!
 	cpuReset();
-	OpenPlugins( NULL );
+	OpenPlugins();
 
 	joe.FreezeAll();
 

pcsx2/System.cpp

@@ -33,7 +33,7 @@
 
 using namespace std;
 
-Pcsx2Config EmuConfig = {0};
+Pcsx2Config EmuConfig;
 
 // disable all session overrides by default...
 SessionOverrideFlags g_Session = {false};
@@ -334,54 +334,6 @@ void SysEndExecution()
 	g_ReturnToGui = true;
 }
 
-// Runs an ELF image directly (ISO or ELF program or BIN)
-// Used by Run::FromCD, and Run->Execute when no active emulation state is present.
-// elf_file - if NULL, the CDVD plugin is queried for the ELF file.
-// use_bios - forces the game to boot through the PS2 bios, instead of bypassing it.
-void SysPrepareExecution( const wxString& elf_file, bool use_bios )
-{
-	if( !g_EmulationInProgress )
-	{
-		try
-		{
-			cpuReset();
-		}
-		catch( Exception::BaseException& ex )
-		{
-			Msgbox::Alert( ex.DisplayMessage() );
-			return;
-		}
-
-		//g_Startup.BootMode = (elf_file) ? BootMode_Elf : BootMode_Normal;
-
-		OpenPlugins(NULL);
-
-		if( elf_file.IsEmpty() )
-		{
-			if( !StateRecovery::HasState() )
-			{
-				// Not recovering a state, so need to execute the bios and load the ELF information.
-				// (note: gsRecoveries are done from ExecuteCpu)
-
-				wxString ename;
-				if( !use_bios )
-					GetPS2ElfName( ename );
-
-				loadElfFile( ename );
-			}
-		}
-		else
-		{
-			// Custom ELF specified (not using CDVD).
-			// Run the BIOS and load the ELF.
-			loadElfFile( elf_file );
-		}
-	}
-
-	StateRecovery::Recover();
-	HostGui::BeginExecution();
-}
-
 void SysRestorableReset()
 {
 	if( !g_EmulationInProgress ) return;

pcsx2/System.h

@@ -35,8 +35,7 @@ extern void SysShutdownMem();
 
 extern void SysRestorableReset();		// Saves the current emulation state prior to spu reset.
 extern void SysClearExecutionCache();	// clears recompiled execution caches!
-extern void SysEndExecution();		// terminates plugins, saves GS state (if enabled), and signals emulation loop to end.
-extern void SysPrepareExecution( const wxString& elf_file, bool use_bios=false );
+extern void SysEndExecution();			// terminates plugins, saves GS state (if enabled), and signals emulation loop to end.
 
 // initiates high-speed execution of the emulation state.  This function is currently
 // designed to be run from an event loop, but will eventually be re-tooled with threading
@@ -82,6 +81,8 @@ extern void vSyncDebugStuff( uint frame );
 //
 namespace Msgbox
 {
+	extern void OnEvent( wxCommandEvent& evt );
+
 	// Pops up an alert Dialog Box with a singular "OK" button.
 	// Always returns false.  Replacement for SysMessage.
 	extern bool Alert( const wxString& text );
@@ -91,3 +92,4 @@ namespace Msgbox
 	extern bool OkCancel( const wxString& text );
 }
 
+DECLARE_EVENT_TYPE( pxEVT_MSGBOX, -1 );

pcsx2/gui/App.h

@@ -45,11 +45,11 @@ static const bool EnableThreadedLoggingTest = false; //true;
 // ConsoleThreadTest -- useful class for unit testing the thread safety and general performance
 // of the console logger.
 //
-class ConsoleTestThread : public Thread
+class ConsoleTestThread : public PersistentThread
 {
 protected:
 	volatile bool m_done;
-	int Callback();
+	sptr ExecuteTask();
 
 public:	
 	ConsoleTestThread() :
@@ -275,6 +275,7 @@ public:
 protected:
 	void ReadUserModeSettings();
 	bool TryOpenConfigCwd();
+	void OnMessageBox( wxCommandEvent& evt );
 };
 
 DECLARE_APP(Pcsx2App)

pcsx2/gui/ConsoleLogger.cpp

@@ -45,7 +45,7 @@ DEFINE_EVENT_TYPE(wxEVT_SemaphoreWait);
 using Console::Colors;
 
 // ----------------------------------------------------------------------------
-int ConsoleTestThread::Callback()
+sptr ConsoleTestThread::ExecuteTask()
 {
 	static int numtrack = 0;
 	
@@ -602,17 +602,72 @@ namespace Console
 	}
 }
 
+#define wxEVT_BOX_ALERT		78
+
+using namespace Threading;
+
+DEFINE_EVENT_TYPE( pxEVT_MSGBOX );
+
 namespace Msgbox
 {
+	struct InstanceData
+	{
+		Semaphore	WaitForMe;
+		int			result;
+		
+		InstanceData() :
+			WaitForMe(), result( 0 )
+		{
+		}
+	};
+
+	// parameters:
+	//   flags - messagebox type flags, such as wxOK, wxCANCEL, etc.
+	//
+	static int ThreadedMessageBox( int flags, const wxString& text )
+	{
+		// must pass the message to the main gui thread, and then stall this thread, to avoid
+		// threaded chaos where our thread keeps running while the popup is awaiting input.
+
+		InstanceData instdat;
+		wxCommandEvent tevt( pxEVT_MSGBOX );
+		tevt.SetString( text );
+		tevt.SetClientData( &instdat );
+		tevt.SetExtraLong( flags );
+		wxGetApp().AddPendingEvent( tevt );
+		instdat.WaitForMe.WaitNoCancel();		// Important! disable cancellation since we're using local stack vars.
+		return instdat.result;
+	}
+	
+	void OnEvent( wxCommandEvent& evt )
+	{
+		// Must be called from the GUI thread ONLY.
+		wxASSERT( wxThread::IsMain() );
+
+		int result = Alert( evt.GetString() );
+		InstanceData* instdat = (InstanceData*)evt.GetClientData();
+		instdat->result = result;
+		instdat->WaitForMe.Post();
+	}
+
 	bool Alert( const wxString& text )
 	{
-		wxMessageBox( text, L"Pcsx2 Message", wxOK, wxGetApp().GetTopWindow() );
+		if( wxThread::IsMain() )
+			wxMessageBox( text, L"Pcsx2 Message", wxOK, wxGetApp().GetTopWindow() );
+		else
+			ThreadedMessageBox( wxOK, text );
 		return false;
 	}
 
 	bool OkCancel( const wxString& text )
 	{
-		int result = wxMessageBox( text, L"Pcsx2 Message", wxOK | wxCANCEL, wxGetApp().GetTopWindow() );
-		return result == wxOK;
+		if( wxThread::IsMain() )
+		{
+			return wxOK == wxMessageBox( text, L"Pcsx2 Message", wxOK | wxCANCEL, wxGetApp().GetTopWindow() );
+		}
+		else
+		{
+			return wxOK == ThreadedMessageBox( wxOK | wxCANCEL, text );
+		}
 	}
 }

pcsx2/gui/HostGui.cpp

@@ -17,7 +17,7 @@
  */
  
 #include "PrecompiledHeader.h"
-#include "App.h"
+#include "Mainframe.h"
 
 // This API is likely obsolete for the most part, so I've just included a few dummies
 // to keep things compiling until I can get to the point of tying up loose ends.
@@ -44,6 +44,8 @@ namespace HostGui
 	
 	void BeginExecution()
 	{
+		wxASSERT( g_EmuThread != NULL );
+		g_EmuThread->Resume();
 	}
 	
 	void __fastcall KeyEvent( keyEvent* ev )

pcsx2/gui/MainFrame.cpp

@@ -167,8 +167,7 @@ void MainEmuFrame::ConnectMenus()
 	ConnectMenu( Menu_RunELF,			Menu_OpenELF_Click );
 	ConnectMenu( Menu_Run_Exit,			Menu_Exit_Click );
 
-	ConnectMenu( Menu_SuspendExec,		Menu_Suspend_Click );
-	ConnectMenu( Menu_ResumeExec,		Menu_Resume_Click );
+	ConnectMenu( Menu_PauseExec,		Menu_Pause_Click );
 	ConnectMenu( Menu_Reset,			Menu_Reset_Click );
 
 	ConnectMenu( Menu_State_LoadOther,	Menu_LoadStateOther_Click );
@@ -224,7 +223,9 @@ MainEmuFrame::MainEmuFrame(wxWindow* parent, const wxString& title):
 	m_LoadStatesSubmenu( *MakeStatesSubMenu( Menu_State_Load01 ) ),
 	m_SaveStatesSubmenu( *MakeStatesSubMenu( Menu_State_Save01 ) ),
 
-	m_MenuItem_Console( *new wxMenuItem( &m_menuMisc, Menu_Console, L"Show Console", wxEmptyString, wxITEM_CHECK ) )
+	m_MenuItem_Console( *new wxMenuItem( &m_menuMisc, Menu_Console, L"Show Console", wxEmptyString, wxITEM_CHECK ) ),
+	
+	m_IsPaused( false )
 {
 	// ------------------------------------------------------------------------
 	// Initial menubar setup.  This needs to be done first so that the menu bar's visible size
@@ -275,15 +276,14 @@ MainEmuFrame::MainEmuFrame(wxWindow* parent, const wxString& title):
 
 	m_menuRun.Append(Menu_RunIso,		_("Run ISO"),				MakeIsoMenu() );
 	m_menuRun.Append(Menu_BootCDVD,		_("Run CDVD"),				MakeCdvdMenu() );
-	m_menuRun.Append(Menu_RunWithoutDisc,_("Run without Disc"),		_("Use this to access the PS2 system configuration menu"));
-	m_menuRun.Append(Menu_RunELF,		_("Run ELF File..."),		_("For running raw PS2 binaries."));
+	m_menuRun.Append(Menu_SkipBiosToggle,_("ELF Injection Hack"),	_("Skips PS2 splash screens when booting from Iso or CDVD media"));
 
 	m_menuRun.AppendSeparator();
-	m_menuRun.Append(Menu_SkipBiosToggle,_("Skip Bios on Boot"),	_("Enable this to skip PS2 bootup screens (may hurt compat)"));
+	m_menuRun.Append(Menu_RunWithoutDisc,_("Boot without Disc"),	_("Use this to access the PS2 system configuration menu"));
+	m_menuRun.Append(Menu_RunELF,		_("Run ELF File..."),		_("For running raw binaries"));
 
 	m_menuRun.AppendSeparator();
-	m_menuRun.Append(Menu_SuspendExec,	_("Suspend"),	_("Stops emulation dead in its tracks"));
-	m_menuRun.Append(Menu_ResumeExec,	_("Resume"),	_("Resumes suspended emulation"));
+	m_menuRun.Append(Menu_PauseExec,	_("Pause"),		_("Stops emulation dead in its tracks"));
 	m_menuRun.Append(Menu_States,		_("States"),	MakeStatesMenu(), wxEmptyString);
 	m_menuRun.Append(Menu_Reset,		_("Reset"),		_("Resets emulation state and reloads plugins"));
 
@@ -337,4 +337,3 @@ MainEmuFrame::MainEmuFrame(wxWindow* parent, const wxString& title):
 	Connect( wxEVT_MOVE,			wxMoveEventHandler (MainEmuFrame::OnMoveAround) );
 	Connect( wxEVT_CLOSE_WINDOW,	wxCloseEventHandler(MainEmuFrame::OnCloseWindow) );
 }
-

pcsx2/gui/MainFrame.h

@@ -23,6 +23,9 @@
 #include <wx/docview.h>
 
 #include "App.h"
+#include "PS2/CoreEmuThread.h"
+
+extern CoreEmuThread*	g_EmuThread;
 
 //////////////////////////////////////////////////////////////////////////////////////////
 //
@@ -50,8 +53,7 @@ protected:
 		Menu_RunELF,
 		Menu_SkipBiosToggle,	// enables the Bios Skip  speedhack
 		Menu_EnableSkipBios,	// check marked menu that toggles Skip Bios boot feature.
-		Menu_SuspendExec,		// suspends active emulation
-		Menu_ResumeExec,		// restores active emulation
+		Menu_PauseExec,			// suspends/resumes active emulation
 		Menu_Reset,				// Issues a complete reset.
 		Menu_States,			// Opens states submenu
 		Menu_Run_Exit = wxID_EXIT,
@@ -134,6 +136,8 @@ protected:
 
 	wxMenuItem& m_MenuItem_Console;
 
+	bool m_IsPaused;
+	
 	// ------------------------------------------------------------------------
 	// MainEmuFrame Constructors and Member Methods
 	// ------------------------------------------------------------------------
@@ -142,6 +146,8 @@ public:
     MainEmuFrame(wxWindow* parent, const wxString& title);
 	void OnLogBoxHidden();
 
+	bool IsPaused() const { return m_IsPaused; }
+
 protected:
 	void InitLogBoxPosition( AppConfig::ConsoleLogOptions& conf );
 
@@ -160,8 +166,7 @@ protected:
 	void Menu_SaveStateOther_Click(wxCommandEvent &event);
 	void Menu_Exit_Click(wxCommandEvent &event);
 
-	void Menu_Suspend_Click(wxCommandEvent &event);
-	void Menu_Resume_Click(wxCommandEvent &event);
+	void Menu_Pause_Click(wxCommandEvent &event);
 	void Menu_Reset_Click(wxCommandEvent &event);
 
 	void Menu_Debug_Open_Click(wxCommandEvent &event);

pcsx2/gui/MainMenuClicks.cpp

@@ -17,6 +17,7 @@
  */
 
 #include "PrecompiledHeader.h"
+#include "HostGui.h"
 #include "CDVD/CDVD.h"
 
 #include "MainFrame.h"
@@ -37,20 +38,63 @@ static const wxChar* isoFilterTypes =
 
 void MainEmuFrame::Menu_RunIso_Click(wxCommandEvent &event)
 {
+	g_EmuThread->Suspend();
+
 	Console::Status( L"Default Folder: " + g_Conf->Folders.RunIso.ToString() );
 	wxFileDialog ctrl( this, _("Run PS2 Iso..."), g_Conf->Folders.RunIso.ToString(), wxEmptyString,
 		isoFilterTypes, wxFD_OPEN | wxFD_FILE_MUST_EXIST );
 
 	if( ctrl.ShowModal() == wxID_CANCEL ) return;
 	g_Conf->Folders.RunIso = ctrl.GetPath();
-	
+
 	//g_Conf->Save();
+	
+	if( EmuConfig.SkipBiosSplash )
+	{
+		// Fetch the ELF filename and CD type from the CDVD provider.
+		wxString ename( ctrl.GetFilename() );
+		int result = GetPS2ElfName( ename );
+		g_EmuThread->SetElfFile( wxEmptyString );
+		switch( result )
+		{
+			case 0:
+				Msgbox::Alert( _("Boot failed: CDVD image is not a PS1 or PS2 game.") );
+			return;
+
+			case 1:
+				Msgbox::Alert( _("Boot failed: PCSX2 does not support emulation of PS1 games.") );
+			return;
+
+			case 2:
+				// PS2 game.  Valid!
+				g_EmuThread->SetElfFile( ename );
+			break;
+		}
+	}
 }
 
 void MainEmuFrame::Menu_RunWithoutDisc_Click(wxCommandEvent &event)
 {
+	if( g_EmuThread->IsRunning() )
+	{
+		g_EmuThread->Suspend();
+
+		// [TODO] : Add one of 'dems checkboxes that read like "[x] don't show this stupid shit again, kthx."
+		bool result = Msgbox::OkCancel( pxE( ".Popup:ConfirmEmuReset", L"This will reset the emulator and your current emulation session will be lost.  Are you sure?") );
+
+		if( !result )
+		{
+			if( !IsPaused() )
+				g_EmuThread->Resume();
+			return;
+		}
+	}
+
+	g_EmuThread->Reset();
 	CDVDsys_ChangeSource( CDVDsrc_NoDisc );
-	SysPrepareExecution( wxEmptyString, true );
+	g_EmuThread->Resume();
+
+	//HostGui::BeginExecution();
 }
 
 void MainEmuFrame::Menu_IsoRecent_Click(wxCommandEvent &event)
@@ -76,11 +120,7 @@ void MainEmuFrame::Menu_Exit_Click(wxCommandEvent &event)
 	Close();
 }
 
-void MainEmuFrame::Menu_Suspend_Click(wxCommandEvent &event)
-{
-}
-
-void MainEmuFrame::Menu_Resume_Click(wxCommandEvent &event)
+void MainEmuFrame::Menu_Pause_Click(wxCommandEvent &event)
 {
 }
 

pcsx2/gui/Panels/ConfigurationPanels.h

@@ -306,7 +306,7 @@ namespace Panels
 			}
 		};
 	
-		class EnumThread : public Threading::Thread
+		class EnumThread : public Threading::PersistentThread
 		{
 		public:
 			EnumeratedPluginInfo* Results;		// array of plugin results.
@@ -317,10 +317,10 @@ namespace Panels
 		public:
 			virtual ~EnumThread();
 			EnumThread( PluginSelectorPanel& master );
-			void Close();
+			void Cancel();
 
 		protected:
-			int Callback();
+			sptr ExecuteTask();
 		};
 		
 		// This panel contains all of the plugin combo boxes.  We stick them

pcsx2/gui/Panels/PluginSelectorPanel.cpp

@@ -337,7 +337,7 @@ void Panels::PluginSelectorPanel::OnProgress( wxCommandEvent& evt )
 // EnumThread Method Implementations
 
 Panels::PluginSelectorPanel::EnumThread::EnumThread( PluginSelectorPanel& master ) :
-	Thread()
+	PersistentThread()
 ,	Results( new EnumeratedPluginInfo[master.FileCount()] )
 ,	m_master( master )
 ,	m_cancel( false )
@@ -347,17 +347,17 @@ Panels::PluginSelectorPanel::EnumThread::EnumThread( PluginSelectorPanel& master
 Panels::PluginSelectorPanel::EnumThread::~EnumThread()
 {
 	safe_delete_array( Results );
-	Close();
+	Cancel();
 }
 
-void Panels::PluginSelectorPanel::EnumThread::Close()
+void Panels::PluginSelectorPanel::EnumThread::Cancel()
 {
 	m_cancel = true;
 	Threading::Sleep( 1 );
-	Thread::Close();
+	PersistentThread::Cancel();
 }
 
-int Panels::PluginSelectorPanel::EnumThread::Callback()
+sptr Panels::PluginSelectorPanel::EnumThread::ExecuteTask()
 {
 	for( int curidx=0; curidx < m_master.FileCount() && !m_cancel; ++curidx )
 	{

pcsx2/gui/main.cpp

@@ -30,11 +30,12 @@ IMPLEMENT_APP(Pcsx2App)
 
 AppConfig*		g_Conf = NULL;
 wxFileHistory*	g_RecentIsoList = NULL;
+CoreEmuThread*	g_EmuThread = NULL;
 
 namespace Exception
 {
 	// --------------------------------------------------------------------------
-	// Exception used to perfom an "errorless" termination of the app during OnInit
+	// Exception used to perform an "errorless" termination of the app during OnInit
 	// procedures.  This happens when a user cancels out of startup prompts/wizards.
 	//
 	class StartupAborted : public BaseException
@@ -166,6 +167,7 @@ bool Pcsx2App::OnInit()
 	wxApp::OnInit();
 
 	g_Conf = new AppConfig();
+	g_EmuThread = new CoreEmuThread();
 
 	wxLocale::AddCatalogLookupPathPrefix( wxGetCwd() );
 
@@ -231,10 +233,17 @@ bool Pcsx2App::OnInit()
 	{
 		Dialogs::ConfigurationDialog( m_MainFrame ).ShowModal();
 	}*/
+	
+	Connect( pxEVT_MSGBOX, wxCommandEventHandler( Pcsx2App::OnMessageBox ) );
 
     return true;
 }
 
+void Pcsx2App::OnMessageBox( wxCommandEvent& evt )
+{
+	Msgbox::OnEvent( evt );
+}
+
 // Common exit handler which can be called from any event (though really it should
 // be called only from CloseWindow handlers since that's the more appropriate way
 // to handle window closures)

pcsx2/ps2/CoreEmuThread.cpp

@@ -0,0 +1,212 @@
+/*  Pcsx2 - Pc Ps2 Emulator
+ *  Copyright (C) 2002-2009  Pcsx2 Team
+ *
+ *  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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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 for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#include "PrecompiledHeader.h"
+#include "System.h"
+#include "SaveState.h"
+#include "ElfHeader.h"
+#include "Plugins.h"
+#include "CoreEmuThread.h"
+
+#include "R5900.h"
+#include "R3000A.h"
+#include "VUmicro.h"
+
+sptr CoreEmuThread::ExecuteTask()
+{
+	while( !m_Done && (m_ExecMode != ExecMode_Running) )
+	{
+		m_ResumeEvent.Wait();
+	}
+
+	try
+	{
+		cpuReset();
+		SysClearExecutionCache();
+		OpenPlugins();
+
+		if( StateRecovery::HasState() )
+		{
+			// no need to boot bios or detect CDs when loading savestates.
+			// [TODO] : It might be useful to detect game SLUS/CRC and compare it against
+			// the savestate info, and issue a warning to the user since, chances are, they
+			// don't really want to run a game with the wrong ISO loaded into the emu.
+			StateRecovery::Recover();
+		}
+		else
+		{
+			ScopedLock lock( m_lock_elf_file );
+			if( !m_elf_file.IsEmpty() )
+			{
+				// Skip Bios Hack -- Runs the PS2 BIOS stub, and then manually loads the ELF
+				// executable data, and injects the cpuRegs.pc with the address of the
+				// execution start point.
+				//
+				// This hack is necessary for non-CD ELF files, and is optional for game CDs
+				// (though not recommended for games because of rare ill side effects).
+
+				cpuExecuteBios();
+				loadElfFile( m_elf_file );
+			}
+		}
+	}
+	catch( Exception::BaseException& ex )
+	{
+		Msgbox::Alert( ex.DisplayMessage() );
+	}
+
+	StateCheck();
+
+	return 0;
+}
+
+void CoreEmuThread::StateCheck()
+{
+	{
+		ScopedLock locker( m_lock_ExecMode );
+		
+		switch( m_ExecMode )
+		{
+			case ExecMode_Idle:
+				// threads should never have an idle execution state set while the
+				// thread is in any way active or alive.
+				DevAssert( false, "Invalid execution state detected." );
+			break;
+
+			// These are not the case statements you're looking for.  Move along.
+			case ExecMode_Running: break;
+			case ExecMode_Suspended: break;
+			
+			case ExecMode_Suspending:
+				m_ExecMode = ExecMode_Suspended;
+				m_SuspendEvent.Post();
+			break;
+		}
+	}
+	
+	while( (m_ExecMode == ExecMode_Suspended) && !m_Done )
+	{
+		m_ResumeEvent.Wait();
+	}
+}
+
+void CoreEmuThread::Start()
+{
+	if( IsRunning() ) return;
+	
+	m_running			= false;
+	m_ExecMode			= ExecMode_Idle;
+	m_Done				= false;
+	m_resetProfilers	= false;
+	m_resetRecompilers	= false;
+	m_elf_file			= wxEmptyString;
+
+	m_ResumeEvent.Reset();
+	m_SuspendEvent.Reset();
+	PersistentThread::Start();
+
+	pthread_detach( m_thread );
+}
+
+void CoreEmuThread::Reset()
+{
+	Cancel();
+	StateRecovery::Clear();
+}
+
+// Resumes the core execution state, or does nothing is the core is already running.  If
+// settings were changed, resets will be performed as needed and emulation state resumed from
+// memory savestates.
+void CoreEmuThread::Resume()
+{
+	Start();
+
+	{
+		ScopedLock locker( m_lock_ExecMode );
+
+		if( m_ExecMode == ExecMode_Running )
+			return;
+
+		if( m_ExecMode == ExecMode_Suspending )
+		{
+			// if there are resets to be done, then we need to make sure and wait for the
+			// emuThread to enter a fully suspended state before continuing...
+
+			if( m_resetRecompilers || m_resetProfilers )
+			{
+				locker.Unlock();		// no deadlocks please, thanks. :)
+				m_SuspendEvent.Wait();
+			}
+			else
+			{
+				m_ExecMode = ExecMode_Running;
+				return;
+			}
+		}
+
+		DevAssert( (m_ExecMode == ExecMode_Suspended) || (m_ExecMode == ExecMode_Idle),
+			"EmuCoreThread is not in a suspended or idle state?  wtf!" );
+	}
+
+	if( m_resetRecompilers || m_resetProfilers )
+	{
+		SysClearExecutionCache();
+		m_resetRecompilers = false;
+		m_resetProfilers = false;
+	}
+	
+	m_ExecMode = ExecMode_Running;
+	m_ResumeEvent.Post();
+}
+
+// Pauses the emulation state at the next PS2 vsync, and returns control to the calling
+// thread; or does nothing if the core is already suspended.  Calling this thread from the
+// Core thread will result in deadlock.
+//
+// Parameters:
+//   isNonblocking - if set to true then the function will not block for emulation suspension.
+//      Defaults to false if parameter is not specified.  Performing non-blocking suspension
+//      is mostly useful for starting certain non-Emu related gui activities (improves gui
+//      responsiveness).
+//
+void CoreEmuThread::Suspend( bool isBlocking )
+{
+	{
+		ScopedLock locker( m_lock_ExecMode );
+
+		if( (m_ExecMode == ExecMode_Suspended) || (m_ExecMode == ExecMode_Idle) )
+			return;
+			
+		if( m_ExecMode == ExecMode_Running )
+			m_ExecMode = ExecMode_Suspending;
+		
+		DevAssert( m_ExecMode == ExecMode_Suspending, "ExecMode should be nothing other than Suspended..." );
+	}
+
+	m_SuspendEvent.Wait();
+}
+
+// Applies a full suite of new settings, which will automatically facilitate the necessary
+// resets of the core and components (including plugins, if needed).  The scope of resetting
+// is determined by comparing the current settings against the new settings.
+void CoreEmuThread::ApplySettings( const Pcsx2Config& src )
+{
+	m_resetRecompilers = ( src.Cpu != EmuConfig.Cpu ) || ( src.Gamefixes != EmuConfig.Gamefixes ) || ( src.Speedhacks != EmuConfig.Speedhacks );
+	m_resetProfilers = (src.Profiler != EmuConfig.Profiler );
+	EmuConfig = src;
+}

pcsx2/ps2/CoreEmuThread.h

@@ -0,0 +1,86 @@
+/*  Pcsx2 - Pc Ps2 Emulator
+ *  Copyright (C) 2002-2009  Pcsx2 Team
+ *
+ *  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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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 for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#pragma once
+
+#include "Utilities/Threading.h"
+
+using namespace Threading;
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// CoreEmuThread
+//
+class CoreEmuThread : public PersistentThread
+{
+public:
+	enum ExecutionMode
+	{
+		ExecMode_Idle,
+		ExecMode_Running,
+		ExecMode_Suspending,
+		ExecMode_Suspended
+	};
+
+protected:
+	volatile ExecutionMode m_ExecMode;
+	volatile bool m_Done;
+
+	Semaphore m_ResumeEvent;
+	Semaphore m_SuspendEvent;
+
+	bool m_resetRecompilers;
+	bool m_resetProfilers;
+	
+	wxString m_elf_file;
+	
+	MutexLock m_lock_elf_file;
+	MutexLock m_lock_ExecMode;
+	
+public:
+	CoreEmuThread() :
+		m_ExecMode( ExecMode_Idle )
+	,	m_Done( false )
+	,	m_ResumeEvent()
+	,	m_SuspendEvent()
+	,	m_resetRecompilers( false )
+	,	m_resetProfilers( false )
+	
+	,	m_elf_file()
+	,	m_lock_elf_file()
+	,	m_lock_ExecMode()
+	{
+	}
+	
+	void SetElfFile( const wxString& text )
+	{
+		ScopedLock lock( m_lock_elf_file );
+		m_elf_file = text;
+	}
+
+	void Start();
+	void Reset();
+
+	bool IsSuspended() const { return (m_ExecMode == ExecMode_Suspended); }
+	void Suspend( bool isBlocking = true );
+	void Resume();
+	void ApplySettings( const Pcsx2Config& src );
+
+protected:
+	sptr ExecuteTask();
+	void StateCheck();
+};

pcsx2/windows/VCprojects/pcsx2_2008.vcproj

@@ -262,62 +262,6 @@
 		<Filter
 			Name="Misc"
 			>
-			<File
-				RelativePath="..\..\AsciiString.cpp"
-				>
-				<FileConfiguration
-					Name="Debug|Win32"
-					ExcludedFromBuild="true"
-					>
-					<Tool
-						Name="VCCLCompilerTool"
-					/>
-				</FileConfiguration>
-				<FileConfiguration
-					Name="Devel|Win32"
-					ExcludedFromBuild="true"
-					>
-					<Tool
-						Name="VCCLCompilerTool"
-					/>
-				</FileConfiguration>
-				<FileConfiguration
-					Name="Release|Win32"
-					ExcludedFromBuild="true"
-					>
-					<Tool
-						Name="VCCLCompilerTool"
-					/>
-				</FileConfiguration>
-			</File>
-			<File
-				RelativePath="..\..\AsciiString.h"
-				>
-				<FileConfiguration
-					Name="Debug|Win32"
-					ExcludedFromBuild="true"
-					>
-					<Tool
-						Name="VCCustomBuildTool"
-					/>
-				</FileConfiguration>
-				<FileConfiguration
-					Name="Devel|Win32"
-					ExcludedFromBuild="true"
-					>
-					<Tool
-						Name="VCCustomBuildTool"
-					/>
-				</FileConfiguration>
-				<FileConfiguration
-					Name="Release|Win32"
-					ExcludedFromBuild="true"
-					>
-					<Tool
-						Name="VCCustomBuildTool"
-					/>
-				</FileConfiguration>
-			</File>
 			<File
 				RelativePath="..\..\Dump.cpp"
 				>
@@ -1098,6 +1042,14 @@
 				RelativePath="..\..\x86\BaseblockEx.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\ps2\CoreEmuThread.cpp"
+				>
+			</File>
+			<File
+				RelativePath="..\..\ps2\CoreEmuThread.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\MemoryCard.cpp"
 				>
@@ -1974,10 +1926,6 @@
 				RelativePath="..\..\gui\i18n.cpp"
 				>
 			</File>
-			<File
-				RelativePath="..\..\gui\i18n.h"
-				>
-			</File>
 			<File
 				RelativePath="..\..\gui\IniInterface.cpp"
 				>

pcsx2/x86/ix86-32/iR5900-32.cpp

@@ -1043,7 +1043,7 @@ static u32 eeScaleBlockCycles()
 //   setting "branch = 2";
 static void iBranchTest(u32 newpc, bool noDispatch)
 {
-	if( bExecBIOS ) CheckForBIOSEnd();
+	if( g_ExecBiosHack ) CheckForBIOSEnd();
 
 	// Check the Event scheduler if our "cycle target" has been reached.
 	// Equiv code to: