diff --git a/rpcs3/Emu/CPU/CPUThread.cpp b/rpcs3/Emu/CPU/CPUThread.cpp
index 900100511e..fac66da910 100644
--- a/rpcs3/Emu/CPU/CPUThread.cpp
+++ b/rpcs3/Emu/CPU/CPUThread.cpp
@@ -243,13 +243,10 @@ void CPUThread::Stop()
 
 	m_status = Stopped;
 
-	if(CPUThread* thr = GetCurrentCPUThread())
+	if(static_cast<NamedThreadBase*>(this) != GetCurrentNamedThread())
 	{
-		if(thr->GetId() != GetId())
-			ThreadBase::Stop();
-	}
-	else
 		ThreadBase::Stop();
+	}
 
 	Emu.CheckStatus();
 
diff --git a/rpcs3/Emu/Cell/PPUInterpreter.h b/rpcs3/Emu/Cell/PPUInterpreter.h
index 61310b5b6b..c512d083ea 100644
--- a/rpcs3/Emu/Cell/PPUInterpreter.h
+++ b/rpcs3/Emu/Cell/PPUInterpreter.h
@@ -68,7 +68,7 @@ private:
 		const u64 old_sc = CPU.m_last_syscall;
 
 		CPU.m_last_syscall = sc;
-		SysCalls::DoSyscall((u32)sc);
+		SysCalls::DoSyscall(CPU, (u32)sc);
 
 		if(Ini.HLELogging.GetValue())
 		{
@@ -2093,7 +2093,7 @@ private:
 		case 0x1: UNK(fmt::Format("HyperCall %d", CPU.GPR[0])); break;
 		case 0x2: SysCall(); break;
 		case 0x3:
-			Emu.GetSFuncManager().StaticExecute((u32)CPU.GPR[11]);
+			Emu.GetSFuncManager().StaticExecute(CPU, (u32)CPU.GPR[11]);
 			if (Ini.HLELogging.GetValue())
 			{
 				LOG_NOTICE(PPU, "'%s' done with code[0x%llx]! #pc: 0x%x",
diff --git a/rpcs3/Emu/Cell/PPUThread.h b/rpcs3/Emu/Cell/PPUThread.h
index 9c94761a49..0fb4e2867b 100644
--- a/rpcs3/Emu/Cell/PPUThread.h
+++ b/rpcs3/Emu/Cell/PPUThread.h
@@ -807,5 +807,3 @@ protected:
 };
 
 PPUThread& GetCurrentPPUThread();
-
-#define declCPU PPUThread& CPU = GetCurrentPPUThread
diff --git a/rpcs3/Emu/Cell/SPUThread.cpp b/rpcs3/Emu/Cell/SPUThread.cpp
index 75ea92784c..f7dc30ca73 100644
--- a/rpcs3/Emu/Cell/SPUThread.cpp
+++ b/rpcs3/Emu/Cell/SPUThread.cpp
@@ -589,7 +589,7 @@ void SPUThread::WriteChannel(u32 ch, const u128& r)
 					return;
 				}
 
-				if (!port.eq->events.push(SYS_SPU_THREAD_EVENT_USER_KEY, GetCurrentCPUThread()->GetId(), ((u64)spup << 32) | (v & 0x00ffffff), data))
+				if (!port.eq->events.push(SYS_SPU_THREAD_EVENT_USER_KEY, GetId(), ((u64)spup << 32) | (v & 0x00ffffff), data))
 				{
 					SPU.In_MBox.PushUncond(CELL_EBUSY);
 					return;
@@ -627,7 +627,7 @@ void SPUThread::WriteChannel(u32 ch, const u128& r)
 				}
 
 				// TODO: check passing spup value
-				if (!port.eq->events.push(SYS_SPU_THREAD_EVENT_USER_KEY, GetCurrentCPUThread()->GetId(), ((u64)spup << 32) | (v & 0x00ffffff), data))
+				if (!port.eq->events.push(SYS_SPU_THREAD_EVENT_USER_KEY, GetId(), ((u64)spup << 32) | (v & 0x00ffffff), data))
 				{
 					LOG_WARNING(Log::SPU, "sys_spu_thread_throw_event(spup=%d, data0=0x%x, data1=0x%x) failed (queue is full)", spup, (v & 0x00ffffff), data);
 					return;
@@ -666,7 +666,7 @@ void SPUThread::WriteChannel(u32 ch, const u128& r)
 					return;
 				}
 
-				u32 tid = GetCurrentCPUThread()->GetId();
+				const u32 tid = GetId();
 
 				ef->m_mutex.lock(tid);
 				ef->flags |= (u64)1 << flag;
@@ -714,7 +714,7 @@ void SPUThread::WriteChannel(u32 ch, const u128& r)
 					return;
 				}
 
-				u32 tid = GetCurrentCPUThread()->GetId();
+				const u32 tid = GetId();
 
 				ef->m_mutex.lock(tid);
 				ef->flags |= (u64)1 << flag;
diff --git a/rpcs3/Emu/SysCalls/ModuleManager.cpp b/rpcs3/Emu/SysCalls/ModuleManager.cpp
index f3396ecb7e..c312310e43 100644
--- a/rpcs3/Emu/SysCalls/ModuleManager.cpp
+++ b/rpcs3/Emu/SysCalls/ModuleManager.cpp
@@ -224,7 +224,7 @@ bool ModuleManager::IsLoadedFunc(u32 id) const
 	return false;
 }
 
-bool ModuleManager::CallFunc(u32 num)
+bool ModuleManager::CallFunc(PPUThread& CPU, u32 num)
 {
 	func_caller* func = nullptr;
 	{
@@ -242,7 +242,7 @@ bool ModuleManager::CallFunc(u32 num)
 
 	if (func)
 	{
-		(*func)();
+		(*func)(CPU);
 		return true;
 	}
 	return false;
diff --git a/rpcs3/Emu/SysCalls/ModuleManager.h b/rpcs3/Emu/SysCalls/ModuleManager.h
index a7acec1c22..33034a9739 100644
--- a/rpcs3/Emu/SysCalls/ModuleManager.h
+++ b/rpcs3/Emu/SysCalls/ModuleManager.h
@@ -18,7 +18,7 @@ public:
 	void AddFunc(ModuleFunc *func);
 	void SetModule(u16 id, Module* module);//insert into m_modules
 	bool IsLoadedFunc(u32 id) const;
-	bool CallFunc(u32 num);
+	bool CallFunc(PPUThread& CPU, u32 num);
 	bool UnloadFunc(u32 id);
 	void UnloadModules();
 	u32 GetFuncNumById(u32 id);
diff --git a/rpcs3/Emu/SysCalls/Modules/libmixer.cpp b/rpcs3/Emu/SysCalls/Modules/libmixer.cpp
index 8db8c9bf91..618be0c3c2 100644
--- a/rpcs3/Emu/SysCalls/Modules/libmixer.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/libmixer.cpp
@@ -529,8 +529,7 @@ int cellSurMixerStart()
 
 int cellSurMixerSetParameter(u32 param, float value)
 {
-	declCPU();
-	libmixer->Todo("cellSurMixerSetParameter(param=0x%x, value=%f, FPR[1]=%f, FPR[2]=%f)", param, value, (float&)CPU.FPR[1], (float&)CPU.FPR[2]);
+	libmixer->Todo("cellSurMixerSetParameter(param=0x%x, value=%f)", param, value);
 	return CELL_OK;
 }
 
@@ -616,28 +615,25 @@ void cellSurMixerBeep(u32 arg)
 	return;
 }
 
-void cellSurMixerUtilGetLevelFromDB(float dB)
+float cellSurMixerUtilGetLevelFromDB(float dB)
 {
 	// not hooked, probably unnecessary
 	libmixer->Todo("cellSurMixerUtilGetLevelFromDB(dB=%f)", dB);
-	declCPU();
-	(float&)CPU.FPR[0] = 0.0f;
+	return 0.0f;
 }
 
-void cellSurMixerUtilGetLevelFromDBIndex(int index)
+float cellSurMixerUtilGetLevelFromDBIndex(s32 index)
 {
 	// not hooked, probably unnecessary
 	libmixer->Todo("cellSurMixerUtilGetLevelFromDBIndex(index=%d)", index);
-	declCPU();
-	(float&)CPU.FPR[0] = 0.0f;
+	return 0.0f;
 }
 
-void cellSurMixerUtilNoteToRatio(u8 refNote, u8 note)
+float cellSurMixerUtilNoteToRatio(u8 refNote, u8 note)
 {
 	// not hooked, probably unnecessary
 	libmixer->Todo("cellSurMixerUtilNoteToRatio(refNote=%d, note=%d)", refNote, note);
-	declCPU();
-	(float&)CPU.FPR[0] = 0.0f;
+	return 0.0f;
 }
 
 void libmixer_init(Module *pxThis)
diff --git a/rpcs3/Emu/SysCalls/SC_FUNC.h b/rpcs3/Emu/SysCalls/SC_FUNC.h
index 146a44131c..fbb3e676eb 100644
--- a/rpcs3/Emu/SysCalls/SC_FUNC.h
+++ b/rpcs3/Emu/SysCalls/SC_FUNC.h
@@ -4,7 +4,7 @@
 class func_caller
 {
 public:
-	virtual void operator()() = 0;
+	virtual void operator()(PPUThread& CPU) = 0;
 	virtual ~func_caller(){};
 };
 
@@ -169,13 +169,31 @@ namespace detail
 		{
 		}
 
-		virtual void operator()()
+		virtual void operator()(PPUThread& CPU)
 		{
-			declCPU();
 			call<void>(m_call, iterate<0, 0, 0, T...>(CPU));
 		}
 	};
 
+	template<typename... T>
+	class func_binder<void, PPUThread&, T...> : public func_caller
+	{
+		typedef void(*func_t)(PPUThread&, T...);
+		const func_t m_call;
+
+	public:
+		func_binder(func_t call)
+			: func_caller()
+			, m_call(call)
+		{
+		}
+
+		virtual void operator()(PPUThread& CPU)
+		{
+			call<void>(m_call, std::tuple_cat(std::tuple<PPUThread&>(CPU), iterate<0, 0, 0, T...>(CPU)));
+		}
+	};
+
 	template<typename RT, typename... T>
 	class func_binder : public func_caller
 	{
@@ -189,9 +207,8 @@ namespace detail
 		{
 		}
 
-		virtual void operator()()
+		virtual void operator()(PPUThread& CPU)
 		{
-			declCPU();
 			static_assert(!std::is_pointer<RT>::value, "Invalid function result type (pointer)");
 			static_assert(!std::is_reference<RT>::value, "Invalid function result type (reference)");
 			const bool is_float = std::is_floating_point<RT>::value;
@@ -201,6 +218,31 @@ namespace detail
 			bind_result<RT, t>::func(CPU, call<RT>(m_call, iterate<0, 0, 0, T...>(CPU)));
 		}
 	};
+
+	template<typename RT, typename... T>
+	class func_binder<RT, PPUThread&, T...> : public func_caller
+	{
+		typedef RT(*func_t)(PPUThread&, T...);
+		const func_t m_call;
+
+	public:
+		func_binder(func_t call)
+			: func_caller()
+			, m_call(call)
+		{
+		}
+
+		virtual void operator()(PPUThread& CPU)
+		{
+			static_assert(!std::is_pointer<RT>::value, "Invalid function result type (pointer)");
+			static_assert(!std::is_reference<RT>::value, "Invalid function result type (reference)");
+			const bool is_float = std::is_floating_point<RT>::value;
+			const bool is_vector = std::is_same<RT, u128>::value;
+			const bind_arg_type t = is_float ? ARG_FLOAT : (is_vector ? ARG_VECTOR : ARG_GENERAL);
+
+			bind_result<RT, t>::func(CPU, call<RT>(m_call, std::tuple_cat(std::tuple<PPUThread&>(CPU), iterate<0, 0, 0, T...>(CPU))));
+		}
+	};
 }
 
 template<typename RT, typename... T>
diff --git a/rpcs3/Emu/SysCalls/Static.cpp b/rpcs3/Emu/SysCalls/Static.cpp
index e662440431..9ea47550cb 100644
--- a/rpcs3/Emu/SysCalls/Static.cpp
+++ b/rpcs3/Emu/SysCalls/Static.cpp
@@ -179,11 +179,11 @@ void StaticFuncManager::StaticAnalyse(void* ptr, u32 size, u32 base)
 	}
 }
 
-void StaticFuncManager::StaticExecute(u32 code)
+void StaticFuncManager::StaticExecute(PPUThread& CPU, u32 code)
 {
 	if (code < m_static_funcs_list.size())
 	{
-		(*m_static_funcs_list[code]->func)();
+		(*m_static_funcs_list[code]->func)(CPU);
 	}
 	else
 	{
diff --git a/rpcs3/Emu/SysCalls/Static.h b/rpcs3/Emu/SysCalls/Static.h
index 4fd9a6142a..5714148455 100644
--- a/rpcs3/Emu/SysCalls/Static.h
+++ b/rpcs3/Emu/SysCalls/Static.h
@@ -2,12 +2,14 @@
 
 struct SFunc;
 
+class PPUThread;
+
 class StaticFuncManager
 {
 	std::vector<SFunc *> m_static_funcs_list; 
 public:
 	void StaticAnalyse(void* ptr, u32 size, u32 base);
-	void StaticExecute(u32 code);
+	void StaticExecute(PPUThread& CPU, u32 code);
 	void StaticFinalize();
 	void push_back(SFunc *ele);
 	SFunc *operator[](size_t i);
diff --git a/rpcs3/Emu/SysCalls/SysCalls.cpp b/rpcs3/Emu/SysCalls/SysCalls.cpp
index 2019e4c34b..e26f3597ff 100644
--- a/rpcs3/Emu/SysCalls/SysCalls.cpp
+++ b/rpcs3/Emu/SysCalls/SysCalls.cpp
@@ -11,8 +11,6 @@
 #include "lv2/sys_event.h"
 #include "lv2/sys_event_flag.h"
 #include "lv2/sys_interrupt.h"
-//#include "lv2/sys_lwcond.h"
-//#include "lv2/sys_lwmutex.h"
 #include "lv2/sys_memory.h"
 #include "lv2/sys_mmapper.h"
 #include "lv2/sys_ppu_thread.h"
@@ -37,7 +35,7 @@ namespace detail{
 	}
 }
 
-void default_syscall();
+void default_syscall(PPUThread& CPU);
 static func_caller *null_func = bind_func(default_syscall);
 
 static const int kSyscallTableLength = 1024;
@@ -153,12 +151,12 @@ static func_caller* sc_table[kSyscallTableLength] =
 	bind_func(sys_cond_signal),                             //108 (0x06C)
 	bind_func(sys_cond_signal_all),                         //109 (0x06D)
 	bind_func(sys_cond_signal_to),                          //110 (0x06E)
-	null_func,//bind_func(sys_lwcond_create)                //111 (0x06F)
-	null_func,//bind_func(sys_lwcond_destroy)               //112 (0x070)
-	null_func,//bind_func(sys_lwcond_queue_wait)            //113 (0x071)
+	null_func,//bind_func(sys_lwcond_create)                //111 (0x06F) // internal, used by sys_lwcond_create
+	null_func,//bind_func(sys_lwcond_destroy)               //112 (0x070) // internal, used by sys_lwcond_destroy
+	null_func,//bind_func(sys_lwcond_queue_wait)            //113 (0x071) // internal, used by sys_lwcond_wait
 	bind_func(sys_semaphore_get_value),                     //114 (0x072)
-	null_func,//bind_func(sys_semaphore_...)                //115 (0x073)
-	null_func,//bind_func(sys_semaphore_...)                //116 (0x074)
+	null_func,//bind_func(sys_semaphore_...)                //115 (0x073) // internal, used by sys_lwcond_signal, sys_lwcond_signal_to
+	null_func,//bind_func(sys_semaphore_...)                //116 (0x074) // internal, used by sys_lwcond_signal_all
 	null_func,//bind_func(sys_semaphore_...)                //117 (0x075) // internal, used by sys_lwmutex_unlock
 	bind_func(sys_event_flag_clear),                        //118 (0x076)
 	null_func,//bind_func(sys_event_...)                    //119 (0x077)  ROOT
@@ -912,9 +910,8 @@ struct SyscallTableCleaner_t
 	}
 } SyscallTableCleaner_t;
 
-void default_syscall()
+void default_syscall(PPUThread& CPU)
 {
-	declCPU();
 	u32 code = (u32)CPU.GPR[11];
 	//TODO: remove this
 	switch(code)
@@ -943,25 +940,24 @@ void default_syscall()
 	return;
 }
 
-void SysCalls::DoSyscall(u32 code)
+void SysCalls::DoSyscall(PPUThread& CPU, u32 code)
 {
 	//Auto Pause using simple singleton.
 	Debug::AutoPause::getInstance().TryPause(code);
 
 	if(code < 1024)
 	{
-		(*sc_table[code])();
+		(*sc_table[code])(CPU);
 		return;
 	}
 	
-	if(Emu.GetModuleManager().CallFunc(code))
+	if(Emu.GetModuleManager().CallFunc(CPU, code))
 	{
 		return;
 	}
 
 
 	LOG_ERROR(HLE, "TODO: %s", GetHLEFuncName(code).c_str());
-	declCPU();
 	CPU.GPR[3] = 0;
 }
 
diff --git a/rpcs3/Emu/SysCalls/SysCalls.h b/rpcs3/Emu/SysCalls/SysCalls.h
index 514e36ddd6..bfeeed3434 100644
--- a/rpcs3/Emu/SysCalls/SysCalls.h
+++ b/rpcs3/Emu/SysCalls/SysCalls.h
@@ -60,9 +60,11 @@ public:
 
 extern bool dump_enable;
 
+class PPUThread;
+
 class SysCalls
 {
 public:
-	static void DoSyscall(u32 code);
+	static void DoSyscall(PPUThread& CPU, u32 code);
 	static std::string GetHLEFuncName(const u32 fid);
 };
diff --git a/rpcs3/Emu/SysCalls/lv2/sys_cond.cpp b/rpcs3/Emu/SysCalls/lv2/sys_cond.cpp
index 0ab41ee220..7f21a920e7 100644
--- a/rpcs3/Emu/SysCalls/lv2/sys_cond.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/sys_cond.cpp
@@ -103,7 +103,7 @@ s32 sys_cond_signal_all(u32 cond_id)
 
 	while (u32 target = (mutex->protocol == SYS_SYNC_PRIORITY ? cond->m_queue.pop_prio() : cond->m_queue.pop()))
 	{
-		cond->signaler = GetCurrentCPUThread()->GetId();
+		cond->signaler = GetCurrentPPUThread().GetId();
 		//cond->signal_stamp = get_system_time();
 		cond->signal.lock(target);
 		Emu.GetCPU().NotifyThread(target);
diff --git a/rpcs3/Emu/SysCalls/lv2/sys_ppu_thread.cpp b/rpcs3/Emu/SysCalls/lv2/sys_ppu_thread.cpp
index 6dca976a72..c63b93bcfd 100644
--- a/rpcs3/Emu/SysCalls/lv2/sys_ppu_thread.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/sys_ppu_thread.cpp
@@ -2,6 +2,7 @@
 #include "Emu/Memory/Memory.h"
 #include "Emu/System.h"
 #include "Emu/SysCalls/SysCalls.h"
+#include "Emu/SysCalls/Callback.h"
 
 #include "Emu/CPU/CPUThreadManager.h"
 #include "Emu/Cell/PPUThread.h"
@@ -11,33 +12,30 @@ static SysCallBase sys_ppu_thread("sys_ppu_thread");
 
 static const u32 PPU_THREAD_ID_INVALID = 0xFFFFFFFFU/*UUUUUUUUUUuuuuuuuuuu~~~~~~~~*/;
 
-void ppu_thread_exit(u64 errorcode)
+void ppu_thread_exit(PPUThread& CPU, u64 errorcode)
 {
-	PPUThread& thr = GetCurrentPPUThread();
-	u32 tid = thr.GetId();
-
-	if (thr.owned_mutexes)
+	if (CPU.owned_mutexes)
 	{
-		sys_ppu_thread.Error("Owned mutexes found (%d)", thr.owned_mutexes);
-		thr.owned_mutexes = 0;
+		sys_ppu_thread.Error("Owned mutexes found (%d)", CPU.owned_mutexes);
+		CPU.owned_mutexes = 0;
 	}
 
-	thr.SetExitStatus(errorcode);
-	thr.Stop();
+	CPU.SetExitStatus(errorcode);
+	CPU.Stop();
 }
 
-void sys_ppu_thread_exit(u64 errorcode)
+void sys_ppu_thread_exit(PPUThread& CPU, u64 errorcode)
 {
 	sys_ppu_thread.Log("sys_ppu_thread_exit(0x%llx)", errorcode);
 	
-	ppu_thread_exit(errorcode);
+	ppu_thread_exit(CPU, errorcode);
 }
 
-void sys_internal_ppu_thread_exit(u64 errorcode)
+void sys_internal_ppu_thread_exit(PPUThread& CPU, u64 errorcode)
 {
 	sys_ppu_thread.Log("sys_internal_ppu_thread_exit(0x%llx)", errorcode);
 
-	ppu_thread_exit(errorcode);
+	ppu_thread_exit(CPU, errorcode);
 }
 
 s32 sys_ppu_thread_yield()
@@ -83,10 +81,11 @@ s32 sys_ppu_thread_detach(u64 thread_id)
 	return CELL_OK;
 }
 
-void sys_ppu_thread_get_join_state(u32 isjoinable_addr)
+void sys_ppu_thread_get_join_state(PPUThread& CPU, vm::ptr<s32> isjoinable)
 {
-	sys_ppu_thread.Warning("sys_ppu_thread_get_join_state(isjoinable_addr=0x%x)", isjoinable_addr);
-	vm::write32(isjoinable_addr, GetCurrentPPUThread().IsJoinable());
+	sys_ppu_thread.Warning("sys_ppu_thread_get_join_state(isjoinable_addr=0x%x)", isjoinable.addr());
+
+	*isjoinable = CPU.IsJoinable();
 }
 
 s32 sys_ppu_thread_set_priority(u64 thread_id, s32 prio)
@@ -113,12 +112,10 @@ s32 sys_ppu_thread_get_priority(u64 thread_id, u32 prio_addr)
 	return CELL_OK;
 }
 
-s32 sys_ppu_thread_get_stack_information(u32 info_addr)
+s32 sys_ppu_thread_get_stack_information(PPUThread& CPU, u32 info_addr)
 {
 	sys_ppu_thread.Log("sys_ppu_thread_get_stack_information(info_addr=0x%x)", info_addr);
 
-	declCPU();
-
 	vm::write32(info_addr, (u32)CPU.GetStackAddr());
 	vm::write32(info_addr + 4, CPU.GetStackSize());
 
@@ -203,22 +200,22 @@ s32 sys_ppu_thread_create(vm::ptr<be_t<u64>> thread_id, u32 entry, u64 arg, s32
 	return CELL_OK;
 }
 
-void sys_ppu_thread_once(vm::ptr<std::atomic<be_t<u32>>> once_ctrl, u32 entry)
+void sys_ppu_thread_once(PPUThread& CPU, vm::ptr<std::atomic<be_t<u32>>> once_ctrl, vm::ptr<void(*)()> init)
 {
-	sys_ppu_thread.Warning("sys_ppu_thread_once(once_ctrl_addr=0x%x, entry=0x%x)", once_ctrl.addr(), entry);
+	sys_ppu_thread.Warning("sys_ppu_thread_once(once_ctrl_addr=0x%x, init_addr=0x%x)", once_ctrl.addr(), init.addr());
 
 	be_t<u32> old = be_t<u32>::MakeFromBE(se32(SYS_PPU_THREAD_ONCE_INIT));
 	if (once_ctrl->compare_exchange_weak(old, be_t<u32>::MakeFromBE(se32(SYS_PPU_THREAD_DONE_INIT))))
 	{
-		GetCurrentPPUThread().FastCall2(vm::read32(entry), vm::read32(entry + 4));
+		init.call(CPU);
 	}
 }
 
-s32 sys_ppu_thread_get_id(vm::ptr<be_t<u64>> thread_id)
+s32 sys_ppu_thread_get_id(PPUThread& CPU, vm::ptr<be_t<u64>> thread_id)
 {
 	sys_ppu_thread.Log("sys_ppu_thread_get_id(thread_id_addr=0x%x)", thread_id.addr());
 
-	*thread_id = GetCurrentPPUThread().GetId();
+	*thread_id = CPU.GetId();
 	return CELL_OK;
 }
 
diff --git a/rpcs3/Emu/SysCalls/lv2/sys_ppu_thread.h b/rpcs3/Emu/SysCalls/lv2/sys_ppu_thread.h
index f075612f13..0bbe4aabc3 100644
--- a/rpcs3/Emu/SysCalls/lv2/sys_ppu_thread.h
+++ b/rpcs3/Emu/SysCalls/lv2/sys_ppu_thread.h
@@ -13,18 +13,18 @@ enum ppu_thread_flags : u64
 };
 
 // SysCalls
-void sys_ppu_thread_exit(u64 errorcode);
-void sys_internal_ppu_thread_exit(u64 errorcode);
+void sys_ppu_thread_exit(PPUThread& CPU, u64 errorcode);
+void sys_internal_ppu_thread_exit(PPUThread& CPU, u64 errorcode);
 s32 sys_ppu_thread_yield();
 s32 sys_ppu_thread_join(u64 thread_id, vm::ptr<be_t<u64>> vptr);
 s32 sys_ppu_thread_detach(u64 thread_id);
-void sys_ppu_thread_get_join_state(u32 isjoinable_addr);
+void sys_ppu_thread_get_join_state(PPUThread& CPU, vm::ptr<s32> isjoinable);
 s32 sys_ppu_thread_set_priority(u64 thread_id, s32 prio);
 s32 sys_ppu_thread_get_priority(u64 thread_id, u32 prio_addr);
-s32 sys_ppu_thread_get_stack_information(u32 info_addr);
+s32 sys_ppu_thread_get_stack_information(PPUThread& CPU, u32 info_addr);
 s32 sys_ppu_thread_stop(u64 thread_id);
 s32 sys_ppu_thread_restart(u64 thread_id);
 s32 sys_ppu_thread_create(vm::ptr<be_t<u64>> thread_id, u32 entry, u64 arg, s32 prio, u32 stacksize, u64 flags, vm::ptr<const char> threadname);
-void sys_ppu_thread_once(vm::ptr<std::atomic<be_t<u32>>> once_ctrl, u32 entry);
-s32 sys_ppu_thread_get_id(vm::ptr<be_t<u64>> thread_id);
+void sys_ppu_thread_once(PPUThread& CPU, vm::ptr<std::atomic<be_t<u32>>> once_ctrl, vm::ptr<void(*)()> init);
+s32 sys_ppu_thread_get_id(PPUThread& CPU, vm::ptr<be_t<u64>> thread_id);
 s32 sys_ppu_thread_rename(u64 thread_id, vm::ptr<const char> name);