diff --git a/rpcs3/Emu/ARMv7/ARMv7Interpreter.cpp b/rpcs3/Emu/ARMv7/ARMv7Interpreter.cpp
index 2f60850f59..b977d8006f 100644
--- a/rpcs3/Emu/ARMv7/ARMv7Interpreter.cpp
+++ b/rpcs3/Emu/ARMv7/ARMv7Interpreter.cpp
@@ -3,6 +3,7 @@
 #include "Emu/Memory/Memory.h"
 #include "Emu/CPU/CPUDecoder.h"
 #include "ARMv7Thread.h"
+#include "PSVFuncList.h"
 #include "ARMv7Interpreter.h"
 
 void ARMv7Interpreter::UNK(const u32 data)
@@ -40,7 +41,7 @@ void ARMv7Interpreter::HACK(const u32 data, const ARMv7_encoding type)
 
 	if (ConditionPassed(cond))
 	{
-		//
+		execute_psv_func_by_index(CPU, code);
 	}
 }
 
@@ -74,11 +75,42 @@ void ARMv7Interpreter::ADC_RSR(const u32 data, const ARMv7_encoding type)
 
 void ARMv7Interpreter::ADD_IMM(const u32 data, const ARMv7_encoding type)
 {
+	bool set_flags = !CPU.ITSTATE;
+	u32 cond = CPU.ITSTATE.advance();
+	u32 d = 0;
+	u32 n = 0;
+	u32 imm32 = 0;
+
 	switch (type)
 	{
+	case T1:
+	{
+		d = (data & 0x7);
+		n = (data & 0x38) >> 3;
+		imm32 = (data & 0x1c0) >> 6;
+		break;
+	}
 	case A1: throw __FUNCTION__;
 	default: throw __FUNCTION__;
 	}
+
+	if (ConditionPassed(cond))
+	{
+		if (set_flags)
+		{
+			bool carry, overflow;
+			u32 res = AddWithCarry(CPU.read_gpr(n), imm32, false, carry, overflow);
+			CPU.write_gpr(d, res);
+			CPU.APSR.N = res >> 31;
+			CPU.APSR.Z = res == 0;
+			CPU.APSR.C = carry;
+			CPU.APSR.V = overflow;
+		}
+		else
+		{
+			CPU.write_gpr(d, CPU.read_gpr(n) + imm32);
+		}
+	}
 }
 
 void ARMv7Interpreter::ADD_REG(const u32 data, const ARMv7_encoding type)
@@ -809,9 +841,8 @@ void ARMv7Interpreter::MLS(const u32 data, const ARMv7_encoding type)
 
 void ARMv7Interpreter::MOV_IMM(const u32 data, const ARMv7_encoding type)
 {
-	bool set_flags = CPU.ITSTATE;
+	bool set_flags = !CPU.ITSTATE;
 	bool carry = CPU.APSR.C;
-
 	u32 cond = CPU.ITSTATE.advance();
 	u32 d = 0;
 	u32 imm32 = 0;
@@ -855,20 +886,72 @@ void ARMv7Interpreter::MOV_IMM(const u32 data, const ARMv7_encoding type)
 
 void ARMv7Interpreter::MOV_REG(const u32 data, const ARMv7_encoding type)
 {
+	u32 cond = CPU.ITSTATE.advance();
+	u32 d = 0;
+	u32 m = 0;
+	bool set_flags = false;
+
 	switch (type)
 	{
+	case T1:
+	{
+		d = (data & 0x80) >> 4 | (data & 0x7);
+		m = (data & 0x78) >> 3;
+		break;
+	}
+	case T2:
+	{
+		d = (data & 0x7);
+		m = (data & 0x38) >> 3;
+		set_flags = true;
+		break;
+	}
+	case T3:
+	{
+		d = (data & 0xf00) >> 8;
+		m = (data & 0xf);
+		set_flags = (data & 0x100000);
+		break;
+	}
 	case A1: throw __FUNCTION__;
 	default: throw __FUNCTION__;
 	}
+
+	if (ConditionPassed(cond))
+	{
+		u32 res = CPU.read_gpr(m);
+		CPU.write_gpr(d, res);
+		if (set_flags)
+		{
+			CPU.APSR.N = res >> 31;
+			CPU.APSR.Z = res == 0;
+			//CPU.APSR.C = ?
+		}
+	}
 }
 
 void ARMv7Interpreter::MOVT(const u32 data, const ARMv7_encoding type)
 {
+	u32 cond = CPU.ITSTATE.advance();
+	u32 d = 0;
+	u32 imm16 = 0;
+
 	switch (type)
 	{
+	case T1:
+	{
+		d = (data & 0xf00) >> 8;
+		imm16 = (data & 0xf0000) >> 4 | (data & 0x4000000) >> 14 | (data & 0x7000) >> 4 | (data & 0xff);
+		break;
+	}
 	case A1: throw __FUNCTION__;
 	default: throw __FUNCTION__;
 	}
+
+	if (ConditionPassed(cond))
+	{
+		CPU.write_gpr(d, (CPU.read_gpr(d) & 0xffff) | (imm16 << 16));
+	}
 }
 
 
@@ -1889,12 +1972,37 @@ void ARMv7Interpreter::SUB_RSR(const u32 data, const ARMv7_encoding type)
 void ARMv7Interpreter::SUB_SPI(const u32 data, const ARMv7_encoding type)
 {
 	u32 cond = CPU.ITSTATE.advance();
+	u32 d = 13;
+	u32 imm32 = 0;
+	bool set_flags = false;
 
 	switch (type)
 	{
-	case T1: if (ConditionPassed(cond)) CPU.SP -= (data & 0x7f) << 2; return;
+	case T1:
+	{
+		imm32 = (data & 0x7f) << 2;
+		break;
+	}
 	default: throw __FUNCTION__;
 	}
+
+	if (ConditionPassed(cond))
+	{
+		if (set_flags)
+		{
+			bool carry, overflow;
+			u32 res = AddWithCarry(CPU.SP, ~imm32, true, carry, overflow);
+			CPU.write_gpr(d, res);
+			CPU.APSR.N = res >> 31;
+			CPU.APSR.Z = res == 0;
+			CPU.APSR.C = carry;
+			CPU.APSR.V = overflow;
+		}
+		else
+		{
+			CPU.write_gpr(d, CPU.SP - imm32);
+		}
+	}
 }
 
 void ARMv7Interpreter::SUB_SPR(const u32 data, const ARMv7_encoding type)
diff --git a/rpcs3/Emu/ARMv7/ARMv7Interpreter.h b/rpcs3/Emu/ARMv7/ARMv7Interpreter.h
index ebcb66b983..bfe7539967 100644
--- a/rpcs3/Emu/ARMv7/ARMv7Interpreter.h
+++ b/rpcs3/Emu/ARMv7/ARMv7Interpreter.h
@@ -225,11 +225,17 @@ public:
 
 	template<typename T> T AddWithCarry(T x, T y, bool carry_in, bool& carry_out, bool& overflow)
 	{
-		uint unsigned_sum = (uint)x + (uint)y + (uint)carry_in;
-		int signed_sum = (int)x + (int)y + (int)carry_in;
-		T result = unsigned_sum & ~(T(1) << (sizeof(T) - 1));
-		carry_out = (uint)result != unsigned_sum;
-		overflow = (int)result != signed_sum;
+		const T sign_mask = (T)1 << (sizeof(T) - 1);
+
+		T result = x + y;
+		carry_out = ((x & y) | ((x ^ y) & ~result)) & sign_mask;
+		overflow = (x ^ result) & (y ^ result) & sign_mask;
+		if (carry_in)
+		{
+			result += 1;
+			carry_out ^= (result == 0);
+			overflow ^= (result == sign_mask);
+		}
 		return result;
 	}
 
diff --git a/rpcs3/Emu/ARMv7/Modules/sceLibc.cpp b/rpcs3/Emu/ARMv7/Modules/sceLibc.cpp
new file mode 100644
index 0000000000..ac4bbaa532
--- /dev/null
+++ b/rpcs3/Emu/ARMv7/Modules/sceLibc.cpp
@@ -0,0 +1,41 @@
+#include "stdafx.h"
+#include "Emu/ARMv7/PSVFuncList.h"
+
+extern psv_log_base sceLibc;
+
+namespace sce_libc_func
+{
+	void __cxa_atexit()
+	{
+		sceLibc.Todo(__FUNCTION__);
+	}
+
+	void exit()
+	{
+		sceLibc.Todo(__FUNCTION__);
+	}
+
+	void printf()
+	{
+		sceLibc.Todo(__FUNCTION__);
+	}
+
+	void __cxa_set_dso_handle_main()
+	{
+		sceLibc.Todo(__FUNCTION__);
+	}
+}
+
+psv_log_base sceLibc = []() -> psv_log_base&
+{
+	psv_log_base* module = new psv_log_base("sceLibc");
+
+#define REG_FUNC(nid, name) reg_psv_func(nid, module, sce_libc_func::name)
+
+	REG_FUNC(0x33b83b70, __cxa_atexit);
+	REG_FUNC(0x826bbbaf, exit);
+	REG_FUNC(0x9a004680, printf);
+	REG_FUNC(0xbfe02b3a, __cxa_set_dso_handle_main);
+
+	return std::move(*module);
+}();
diff --git a/rpcs3/Emu/ARMv7/PSVFuncList.cpp b/rpcs3/Emu/ARMv7/PSVFuncList.cpp
new file mode 100644
index 0000000000..168ea1cfce
--- /dev/null
+++ b/rpcs3/Emu/ARMv7/PSVFuncList.cpp
@@ -0,0 +1,45 @@
+#include "stdafx.h"
+#include "PSVFuncList.h"
+
+std::vector<psv_func> g_psv_func_list;
+
+void add_psv_func(psv_func& data)
+{
+	g_psv_func_list.push_back(data);
+}
+
+psv_func* get_psv_func_by_nid(u32 nid)
+{
+	for (auto& f : g_psv_func_list)
+	{
+		if (f.nid == nid)
+		{
+			return &f;
+		}
+	}
+
+	return nullptr;
+}
+
+u32 get_psv_func_index(psv_func* func)
+{
+	u32 res = func - g_psv_func_list.data();
+
+	assert(res < g_psv_func_list.size());
+
+	return res;
+}
+
+void execute_psv_func_by_index(ARMv7Thread& CPU, u32 index)
+{
+	assert(index < g_psv_func_list.size());
+
+	(*g_psv_func_list[index].func)(CPU);
+}
+
+extern psv_log_base sceLibc;
+
+void list_known_psv_modules()
+{
+	sceLibc.Log("");
+}
diff --git a/rpcs3/Emu/ARMv7/PSVFuncList.h b/rpcs3/Emu/ARMv7/PSVFuncList.h
new file mode 100644
index 0000000000..b6356ebea8
--- /dev/null
+++ b/rpcs3/Emu/ARMv7/PSVFuncList.h
@@ -0,0 +1,290 @@
+#pragma once
+#include "ARMv7Thread.h"
+#include "Emu/SysCalls/LogBase.h"
+
+class psv_log_base : public LogBase
+{
+	std::string m_name;
+
+public:
+	psv_log_base(const std::string& name)
+		: m_name(name)
+	{
+	}
+
+	virtual const std::string& GetName() const override
+	{
+		return m_name;
+	}
+
+};
+
+class psv_func_caller
+{
+public:
+	virtual void operator()(ARMv7Thread& CPU) = 0;
+	virtual ~psv_func_caller(){};
+};
+
+namespace psv_func_detail
+{
+	enum bind_arg_type
+	{
+		ARG_GENERAL,
+		ARG_FLOAT,
+		ARG_VECTOR,
+		ARG_STACK,
+	};
+
+	template<typename T, bind_arg_type type, int g_count, int f_count, int v_count>
+	struct bind_arg;
+
+	template<typename T, int g_count, int f_count, int v_count>
+	struct bind_arg<T, ARG_GENERAL, g_count, f_count, v_count>
+	{
+		static_assert(sizeof(T) <= 4, "Invalid function argument type for ARG_GENERAL");
+
+		static __forceinline T func(ARMv7Thread& CPU)
+		{
+			return (T&)CPU.GPR[g_count - 1];
+		}
+	};
+
+	template<typename T, int g_count, int f_count, int v_count>
+	struct bind_arg<T, ARG_FLOAT, g_count, f_count, v_count>
+	{
+		static_assert(f_count <= 0, "TODO: Unsupported argument type (float)");
+		static_assert(sizeof(T) <= 8, "Invalid function argument type for ARG_FLOAT");
+
+		static __forceinline T func(ARMv7Thread& CPU)
+		{
+		}
+	};
+
+	template<typename T, int g_count, int f_count, int v_count>
+	struct bind_arg<T, ARG_VECTOR, g_count, f_count, v_count>
+	{
+		static_assert(v_count <= 0, "TODO: Unsupported argument type (vector)");
+		static_assert(sizeof(T) == 16, "Invalid function argument type for ARG_VECTOR");
+
+		static __forceinline T func(ARMv7Thread& CPU)
+		{
+		}
+	};
+
+	template<typename T, int g_count, int f_count, int v_count>
+	struct bind_arg<T, ARG_STACK, g_count, f_count, v_count>
+	{
+		static_assert(f_count <= 4, "TODO: Unsupported stack argument type (general)");
+		static_assert(f_count <= 0, "TODO: Unsupported stack argument type (float)");
+		static_assert(v_count <= 0, "TODO: Unsupported stack argument type (vector)");
+		static_assert(sizeof(T) <= 4, "Invalid function argument type for ARG_STACK");
+
+		static __forceinline T func(ARMv7Thread& CPU)
+		{
+		}
+	};
+
+	template<typename T, bind_arg_type type>
+	struct bind_result
+	{
+		static_assert(type != ARG_FLOAT, "TODO: Unsupported funcion result type (float)");
+		static_assert(type != ARG_VECTOR, "TODO: Unsupported funcion result type (vector)");
+		static_assert(type == ARG_GENERAL, "Wrong use of bind_result template");
+		static_assert(sizeof(T) <= 4, "Invalid function result type for ARG_GENERAL");
+
+		static __forceinline void func(ARMv7Thread& CPU, T result)
+		{
+			(T&)CPU.GPR[0] = result;
+		}
+	};
+
+	//template<typename T>
+	//struct bind_result<T, ARG_FLOAT>
+	//{
+	//	static_assert(sizeof(T) <= 8, "Invalid function result type for ARG_FLOAT");
+
+	//	static __forceinline void func(ARMv7Thread& CPU, T result)
+	//	{
+	//	}
+	//};
+
+	//template<typename T>
+	//struct bind_result<T, ARG_VECTOR>
+	//{
+	//	static_assert(sizeof(T) == 16, "Invalid function result type for ARG_VECTOR");
+
+	//	static __forceinline void func(ARMv7Thread& CPU, const T result)
+	//	{
+	//	}
+	//};
+
+	template <typename RT, typename F, typename Tuple, bool Done, int Total, int... N>
+	struct call_impl
+	{
+		static __forceinline RT call(F f, Tuple && t)
+		{
+			return call_impl<RT, F, Tuple, Total == 1 + sizeof...(N), Total, N..., sizeof...(N)>::call(f, std::forward<Tuple>(t));
+		}
+	};
+
+	template <typename RT, typename F, typename Tuple, int Total, int... N>
+	struct call_impl<RT, F, Tuple, true, Total, N...>
+	{
+		static __forceinline RT call(F f, Tuple && t)
+		{
+			return f(std::get<N>(std::forward<Tuple>(t))...);
+		}
+	};
+
+	template <typename RT, typename F, typename Tuple>
+	static __forceinline RT call(F f, Tuple && t)
+	{
+		typedef typename std::decay<Tuple>::type ttype;
+		return psv_func_detail::call_impl<RT, F, Tuple, 0 == std::tuple_size<ttype>::value, std::tuple_size<ttype>::value>::call(f, std::forward<Tuple>(t));
+	}
+
+	template<int g_count, int f_count, int v_count>
+	static __forceinline std::tuple<> iterate(ARMv7Thread& CPU)
+	{
+		// terminator
+		return std::tuple<>();
+	}
+
+	template<int g_count, int f_count, int v_count, typename T, typename... A>
+	static __forceinline std::tuple<T, A...> iterate(ARMv7Thread& CPU)
+	{
+		static_assert(!std::is_pointer<T>::value, "Invalid function argument type (pointer)");
+		static_assert(!std::is_reference<T>::value, "Invalid function argument type (reference)");
+		// TODO: check calculations
+		const bool is_float = std::is_floating_point<T>::value;
+		const bool is_vector = std::is_same<T, u128>::value;
+		const bind_arg_type t = is_float
+			? ((f_count >= 13) ? ARG_STACK : ARG_FLOAT)
+			: (is_vector ? ((v_count >= 12) ? ARG_STACK : ARG_VECTOR) : ((g_count >= 8) ? ARG_STACK : ARG_GENERAL));
+		const int g = g_count + (is_float || is_vector ? 0 : 1);
+		const int f = f_count + (is_float ? 1 : 0);
+		const int v = v_count + (is_vector ? 1 : 0);
+
+		return std::tuple_cat(std::tuple<T>(bind_arg<T, t, g, f, v>::func(CPU)), iterate<g, f, v, A...>(CPU));
+	}
+
+	template<typename RT, typename... T>
+	class func_binder;
+
+	template<typename... T>
+	class func_binder<void, T...> : public psv_func_caller
+	{
+		typedef void(*func_t)(T...);
+		const func_t m_call;
+
+	public:
+		func_binder(func_t call)
+			: psv_func_caller()
+			, m_call(call)
+		{
+		}
+
+		virtual void operator()(ARMv7Thread& CPU)
+		{
+			call<void>(m_call, iterate<0, 0, 0, T...>(CPU));
+		}
+	};
+
+	template<typename... T>
+	class func_binder<void, ARMv7Thread&, T...> : public psv_func_caller
+	{
+		typedef void(*func_t)(ARMv7Thread&, T...);
+		const func_t m_call;
+
+	public:
+		func_binder(func_t call)
+			: psv_func_caller()
+			, m_call(call)
+		{
+		}
+
+		virtual void operator()(ARMv7Thread& CPU)
+		{
+			call<void>(m_call, std::tuple_cat(std::tuple<ARMv7Thread&>(CPU), iterate<0, 0, 0, T...>(CPU)));
+		}
+	};
+
+	template<typename RT, typename... T>
+	class func_binder : public psv_func_caller
+	{
+		typedef RT(*func_t)(T...);
+		const func_t m_call;
+
+	public:
+		func_binder(func_t call)
+			: psv_func_caller()
+			, m_call(call)
+		{
+		}
+
+		virtual void operator()(ARMv7Thread& 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, iterate<0, 0, 0, T...>(CPU)));
+		}
+	};
+
+	template<typename RT, typename... T>
+	class func_binder<RT, ARMv7Thread&, T...> : public psv_func_caller
+	{
+		typedef RT(*func_t)(ARMv7Thread&, T...);
+		const func_t m_call;
+
+	public:
+		func_binder(func_t call)
+			: psv_func_caller()
+			, m_call(call)
+		{
+		}
+
+		virtual void operator()(ARMv7Thread& 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<ARMv7Thread&>(CPU), iterate<0, 0, 0, T...>(CPU))));
+		}
+	};
+}
+
+struct psv_func
+{
+	const u32 nid;
+	psv_func_caller* const func;
+	psv_log_base* const module;
+};
+
+void add_psv_func(psv_func& data);
+
+template<typename RT, typename... T>
+void reg_psv_func(u32 nid, psv_log_base* module, RT(*func)(T...))
+{
+	psv_func f =
+	{
+		nid,
+		new psv_func_detail::func_binder<RT, T...>(func),
+		module
+	};
+
+	add_psv_func(f);
+}
+
+psv_func* get_psv_func_by_nid(u32 nid);
+u32 get_psv_func_index(psv_func* func);
+
+void execute_psv_func_by_index(ARMv7Thread& CPU, u32 index);
+void list_known_psv_modules();
diff --git a/rpcs3/Emu/Memory/Memory.cpp b/rpcs3/Emu/Memory/Memory.cpp
index 1cc432d4cd..59c6c5feb3 100644
--- a/rpcs3/Emu/Memory/Memory.cpp
+++ b/rpcs3/Emu/Memory/Memory.cpp
@@ -412,6 +412,12 @@ void DynamicMemoryBlockBase::Delete()
 
 bool DynamicMemoryBlockBase::AllocFixed(u64 addr, u32 size)
 {
+	if (!MemoryBlock::GetStartAddr())
+	{
+		LOG_ERROR(MEMORY, "DynamicMemoryBlockBase::AllocFixed(addr=0x%llx, size=0x%x): memory block not initialized", addr, size);
+		return false;
+	}
+
 	size = PAGE_4K(size + (addr & 4095)); // align size
 
 	addr &= ~4095; // align start address
@@ -441,6 +447,12 @@ void DynamicMemoryBlockBase::AppendMem(u64 addr, u32 size) /* private */
 
 u64 DynamicMemoryBlockBase::AllocAlign(u32 size, u32 align)
 {
+	if (!MemoryBlock::GetStartAddr())
+	{
+		LOG_ERROR(MEMORY, "DynamicMemoryBlockBase::AllocAlign(size=0x%x, align=0x%x): memory block not initialized", size, align);
+		return 0;
+	}
+
 	size = PAGE_4K(size);
 	u32 exsize;
 
diff --git a/rpcs3/Emu/SysCalls/Modules/cellAtrac.cpp b/rpcs3/Emu/SysCalls/Modules/cellAtrac.cpp
index 57442cdd91..5ee26e36d0 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellAtrac.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellAtrac.cpp
@@ -13,7 +13,7 @@ u32 libatrac3plus;
 u32 libatrac3plus_rtoc;
 #endif
 
-s32 cellAtracSetDataAndGetMemSize(vm::ptr<CellAtracHandle> pHandle, u32 pucBufferAddr, u32 uiReadByte, u32 uiBufferByte, vm::ptr<u32> puiWorkMemByte)
+s64 cellAtracSetDataAndGetMemSize(vm::ptr<CellAtracHandle> pHandle, u32 pucBufferAddr, u32 uiReadByte, u32 uiBufferByte, vm::ptr<u32> puiWorkMemByte)
 {
 	cellAtrac->Warning("cellAtracSetDataAndGetMemSize(pHandle=0x%x, pucBufferAddr=0x%x, uiReadByte=0x%x, uiBufferByte=0x%x, puiWorkMemByte_addr=0x%x)",
 		pHandle.addr(), pucBufferAddr, uiReadByte, uiBufferByte, puiWorkMemByte.addr());
@@ -25,7 +25,7 @@ s32 cellAtracSetDataAndGetMemSize(vm::ptr<CellAtracHandle> pHandle, u32 pucBuffe
 	return CELL_OK;
 }
 
-s32 cellAtracCreateDecoder(vm::ptr<CellAtracHandle> pHandle, u32 pucWorkMem_addr, u32 uiPpuThreadPriority, u32 uiSpuThreadPriority)
+s64 cellAtracCreateDecoder(vm::ptr<CellAtracHandle> pHandle, u32 pucWorkMem_addr, u32 uiPpuThreadPriority, u32 uiSpuThreadPriority)
 {
 	cellAtrac->Warning("cellAtracCreateDecoder(pHandle=0x%x, pucWorkMem_addr=0x%x, uiPpuThreadPriority=%d, uiSpuThreadPriority=%d)",
 		pHandle.addr(), pucWorkMem_addr, uiPpuThreadPriority, uiSpuThreadPriority);
@@ -37,7 +37,7 @@ s32 cellAtracCreateDecoder(vm::ptr<CellAtracHandle> pHandle, u32 pucWorkMem_addr
 	return CELL_OK;
 }
 
-s32 cellAtracCreateDecoderExt(vm::ptr<CellAtracHandle> pHandle, u32 pucWorkMem_addr, u32 uiPpuThreadPriority, vm::ptr<CellAtracExtRes> pExtRes)
+s64 cellAtracCreateDecoderExt(vm::ptr<CellAtracHandle> pHandle, u32 pucWorkMem_addr, u32 uiPpuThreadPriority, vm::ptr<CellAtracExtRes> pExtRes)
 {
 	cellAtrac->Warning("cellAtracCreateDecoderExt(pHandle=0x%x, pucWorkMem_addr=0x%x, uiPpuThreadPriority=%d, pExtRes_addr=0x%x)",
 		pHandle.addr(), pucWorkMem_addr, uiPpuThreadPriority, pExtRes.addr());
@@ -49,7 +49,7 @@ s32 cellAtracCreateDecoderExt(vm::ptr<CellAtracHandle> pHandle, u32 pucWorkMem_a
 	return CELL_OK;
 }
 
-s32 cellAtracDeleteDecoder(vm::ptr<CellAtracHandle> pHandle)
+s64 cellAtracDeleteDecoder(vm::ptr<CellAtracHandle> pHandle)
 {
 	cellAtrac->Warning("cellAtracDeleteDecoder(pHandle=0x%x)", pHandle.addr());
 #ifdef PRX_DEBUG
@@ -59,7 +59,7 @@ s32 cellAtracDeleteDecoder(vm::ptr<CellAtracHandle> pHandle)
 	return CELL_OK;
 }
 
-s32 cellAtracDecode(vm::ptr<CellAtracHandle> pHandle, u32 pfOutAddr, vm::ptr<u32> puiSamples, vm::ptr<u32> puiFinishflag, vm::ptr<u32> piRemainFrame)
+s64 cellAtracDecode(vm::ptr<CellAtracHandle> pHandle, u32 pfOutAddr, vm::ptr<u32> puiSamples, vm::ptr<u32> puiFinishflag, vm::ptr<u32> piRemainFrame)
 {
 	cellAtrac->Warning("cellAtracDecode(pHandle=0x%x, pfOutAddr=0x%x, puiSamples_addr=0x%x, puiFinishFlag_addr=0x%x, piRemainFrame_addr=0x%x)",
 		pHandle.addr(), pfOutAddr, puiSamples.addr(), puiFinishflag.addr(), piRemainFrame.addr());
@@ -73,7 +73,7 @@ s32 cellAtracDecode(vm::ptr<CellAtracHandle> pHandle, u32 pfOutAddr, vm::ptr<u32
 	return CELL_OK;
 }
 
-s32 cellAtracGetStreamDataInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> ppucWritePointer, vm::ptr<u32> puiWritableByte, vm::ptr<u32> puiReadPosition)
+s64 cellAtracGetStreamDataInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> ppucWritePointer, vm::ptr<u32> puiWritableByte, vm::ptr<u32> puiReadPosition)
 {
 	cellAtrac->Warning("cellAtracGetStreamDataInfo(pHandle=0x%x, ppucWritePointer_addr=0x%x, puiWritableByte_addr=0x%x, puiReadPosition_addr=0x%x)",
 		pHandle.addr(), ppucWritePointer.addr(), puiWritableByte.addr(), puiReadPosition.addr());
@@ -87,7 +87,7 @@ s32 cellAtracGetStreamDataInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> pp
 	return CELL_OK;
 }
 
-s32 cellAtracAddStreamData(vm::ptr<CellAtracHandle> pHandle, u32 uiAddByte)
+s64 cellAtracAddStreamData(vm::ptr<CellAtracHandle> pHandle, u32 uiAddByte)
 {
 	cellAtrac->Warning("cellAtracAddStreamData(pHandle=0x%x, uiAddByte=0x%x)", pHandle.addr(), uiAddByte);
 #ifdef PRX_DEBUG
@@ -97,7 +97,7 @@ s32 cellAtracAddStreamData(vm::ptr<CellAtracHandle> pHandle, u32 uiAddByte)
 	return CELL_OK;
 }
 
-s32 cellAtracGetRemainFrame(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> piRemainFrame)
+s64 cellAtracGetRemainFrame(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> piRemainFrame)
 {
 	cellAtrac->Warning("cellAtracGetRemainFrame(pHandle=0x%x, piRemainFrame_addr=0x%x)", pHandle.addr(), piRemainFrame.addr());
 #ifdef PRX_DEBUG
@@ -108,7 +108,7 @@ s32 cellAtracGetRemainFrame(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> piRem
 	return CELL_OK;
 }
 
-s32 cellAtracGetVacantSize(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiVacantSize)
+s64 cellAtracGetVacantSize(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiVacantSize)
 {
 	cellAtrac->Warning("cellAtracGetVacantSize(pHandle=0x%x, puiVacantSize_addr=0x%x)", pHandle.addr(), puiVacantSize.addr());
 #ifdef PRX_DEBUG
@@ -119,7 +119,7 @@ s32 cellAtracGetVacantSize(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiVac
 	return CELL_OK;
 }
 
-s32 cellAtracIsSecondBufferNeeded(vm::ptr<CellAtracHandle> pHandle)
+s64 cellAtracIsSecondBufferNeeded(vm::ptr<CellAtracHandle> pHandle)
 {
 	cellAtrac->Warning("cellAtracIsSecondBufferNeeded(pHandle=0x%x)", pHandle.addr());
 #ifdef PRX_DEBUG
@@ -129,7 +129,7 @@ s32 cellAtracIsSecondBufferNeeded(vm::ptr<CellAtracHandle> pHandle)
 	return CELL_OK;
 }
 
-s32 cellAtracGetSecondBufferInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiReadPosition, vm::ptr<u32> puiDataByte)
+s64 cellAtracGetSecondBufferInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiReadPosition, vm::ptr<u32> puiDataByte)
 {
 	cellAtrac->Warning("cellAtracGetSecondBufferInfo(pHandle=0x%x, puiReadPosition_addr=0x%x, puiDataByte_addr=0x%x)",
 		pHandle.addr(), puiReadPosition.addr(), puiDataByte.addr());
@@ -142,7 +142,7 @@ s32 cellAtracGetSecondBufferInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32>
 	return CELL_OK;
 }
 
-s32 cellAtracSetSecondBuffer(vm::ptr<CellAtracHandle> pHandle, u32 pucSecondBufferAddr, u32 uiSecondBufferByte)
+s64 cellAtracSetSecondBuffer(vm::ptr<CellAtracHandle> pHandle, u32 pucSecondBufferAddr, u32 uiSecondBufferByte)
 {
 	cellAtrac->Warning("cellAtracSetSecondBuffer(pHandle=0x%x, pucSecondBufferAddr=0x%x, uiSecondBufferByte=0x%x)",
 		pHandle.addr(), pucSecondBufferAddr, uiSecondBufferByte);
@@ -153,7 +153,7 @@ s32 cellAtracSetSecondBuffer(vm::ptr<CellAtracHandle> pHandle, u32 pucSecondBuff
 	return CELL_OK;
 }
 
-s32 cellAtracGetChannel(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiChannel)
+s64 cellAtracGetChannel(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiChannel)
 {
 	cellAtrac->Warning("cellAtracGetChannel(pHandle=0x%x, puiChannel_addr=0x%x)", pHandle.addr(), puiChannel.addr());
 #ifdef PRX_DEBUG
@@ -164,7 +164,7 @@ s32 cellAtracGetChannel(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiChanne
 	return CELL_OK;
 }
 
-s32 cellAtracGetMaxSample(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiMaxSample)
+s64 cellAtracGetMaxSample(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiMaxSample)
 {
 	cellAtrac->Warning("cellAtracGetMaxSample(pHandle=0x%x, puiMaxSample_addr=0x%x)", pHandle.addr(), puiMaxSample.addr());
 #ifdef PRX_DEBUG
@@ -175,7 +175,7 @@ s32 cellAtracGetMaxSample(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiMaxS
 	return CELL_OK;
 }
 
-s32 cellAtracGetNextSample(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiNextSample)
+s64 cellAtracGetNextSample(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiNextSample)
 {
 	cellAtrac->Warning("cellAtracGetNextSample(pHandle=0x%x, puiNextSample_addr=0x%x)", pHandle.addr(), puiNextSample.addr());
 #ifdef PRX_DEBUG
@@ -186,7 +186,7 @@ s32 cellAtracGetNextSample(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiNex
 	return CELL_OK;
 }
 
-s32 cellAtracGetSoundInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> piEndSample, vm::ptr<u32> piLoopStartSample, vm::ptr<u32> piLoopEndSample)
+s64 cellAtracGetSoundInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> piEndSample, vm::ptr<u32> piLoopStartSample, vm::ptr<u32> piLoopEndSample)
 {
 	cellAtrac->Warning("cellAtracGetSoundInfo(pHandle=0x%x, piEndSample_addr=0x%x, piLoopStartSample_addr=0x%x, piLoopEndSample_addr=0x%x)",
 		pHandle.addr(), piEndSample.addr(), piLoopStartSample.addr(), piLoopEndSample.addr());
@@ -200,7 +200,7 @@ s32 cellAtracGetSoundInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> piEndSa
 	return CELL_OK;
 }
 
-s32 cellAtracGetNextDecodePosition(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiSamplePosition)
+s64 cellAtracGetNextDecodePosition(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiSamplePosition)
 {
 	cellAtrac->Warning("cellAtracGetNextDecodePosition(pHandle=0x%x, puiSamplePosition_addr=0x%x)",
 		pHandle.addr(), puiSamplePosition.addr());
@@ -212,7 +212,7 @@ s32 cellAtracGetNextDecodePosition(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32
 	return CELL_ATRAC_ERROR_ALLDATA_WAS_DECODED;
 }
 
-s32 cellAtracGetBitrate(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiBitrate)
+s64 cellAtracGetBitrate(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiBitrate)
 {
 	cellAtrac->Warning("cellAtracGetBitrate(pHandle=0x%x, puiBitrate_addr=0x%x)",
 		pHandle.addr(), puiBitrate.addr());
@@ -224,7 +224,7 @@ s32 cellAtracGetBitrate(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> puiBitrat
 	return CELL_OK;
 }
 
-s32 cellAtracGetLoopInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> piLoopNum, vm::ptr<u32> puiLoopStatus)
+s64 cellAtracGetLoopInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> piLoopNum, vm::ptr<u32> puiLoopStatus)
 {
 	cellAtrac->Warning("cellAtracGetLoopInfo(pHandle=0x%x, piLoopNum_addr=0x%x, puiLoopStatus_addr=0x%x)",
 		pHandle.addr(), piLoopNum.addr(), puiLoopStatus.addr());
@@ -237,7 +237,7 @@ s32 cellAtracGetLoopInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> piLoopNu
 	return CELL_OK;
 }
 
-s32 cellAtracSetLoopNum(vm::ptr<CellAtracHandle> pHandle, int iLoopNum)
+s64 cellAtracSetLoopNum(vm::ptr<CellAtracHandle> pHandle, int iLoopNum)
 {
 	cellAtrac->Warning("cellAtracSetLoopNum(pHandle=0x%x, iLoopNum=0x%x)", pHandle.addr(), iLoopNum);
 #ifdef PRX_DEBUG
@@ -247,7 +247,7 @@ s32 cellAtracSetLoopNum(vm::ptr<CellAtracHandle> pHandle, int iLoopNum)
 	return CELL_OK;
 }
 
-s32 cellAtracGetBufferInfoForResetting(vm::ptr<CellAtracHandle> pHandle, u32 uiSample, vm::ptr<CellAtracBufferInfo> pBufferInfo)
+s64 cellAtracGetBufferInfoForResetting(vm::ptr<CellAtracHandle> pHandle, u32 uiSample, vm::ptr<CellAtracBufferInfo> pBufferInfo)
 {
 	cellAtrac->Warning("cellAtracGetBufferInfoForResetting(pHandle=0x%x, uiSample=0x%x, pBufferInfo_addr=0x%x)",
 		pHandle.addr(), uiSample, pBufferInfo.addr());
@@ -262,7 +262,7 @@ s32 cellAtracGetBufferInfoForResetting(vm::ptr<CellAtracHandle> pHandle, u32 uiS
 	return CELL_OK;
 }
 
-s32 cellAtracResetPlayPosition(vm::ptr<CellAtracHandle> pHandle, u32 uiSample, u32 uiWriteByte)
+s64 cellAtracResetPlayPosition(vm::ptr<CellAtracHandle> pHandle, u32 uiSample, u32 uiWriteByte)
 {
 	cellAtrac->Warning("cellAtracResetPlayPosition(pHandle=0x%x, uiSample=0x%x, uiWriteByte=0x%x)",
 		pHandle.addr(), uiSample, uiWriteByte);
@@ -273,7 +273,7 @@ s32 cellAtracResetPlayPosition(vm::ptr<CellAtracHandle> pHandle, u32 uiSample, u
 	return CELL_OK;
 }
 
-s32 cellAtracGetInternalErrorInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> piResult)
+s64 cellAtracGetInternalErrorInfo(vm::ptr<CellAtracHandle> pHandle, vm::ptr<u32> piResult)
 {
 	cellAtrac->Warning("cellAtracGetInternalErrorInfo(pHandle=0x%x, piResult_addr=0x%x)",
 		pHandle.addr(), piResult.addr());
@@ -323,6 +323,8 @@ void cellAtrac_init(Module *pxThis)
 #ifdef PRX_DEBUG
 	CallAfter([]()
 	{
+		if (!Memory.MainMem.GetStartAddr()) return;
+
 		libatrac3plus = (u32)Memory.MainMem.AllocAlign(sizeof(libatrac3plus_data), 0x100000);
 		memcpy(vm::get_ptr<void>(libatrac3plus), libatrac3plus_data, sizeof(libatrac3plus_data));
 		libatrac3plus_rtoc = libatrac3plus + 0xBED0;
diff --git a/rpcs3/Emu/SysCalls/Modules/cellPngDec.cpp b/rpcs3/Emu/SysCalls/Modules/cellPngDec.cpp
index fbace88771..05e88cd71e 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellPngDec.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellPngDec.cpp
@@ -16,7 +16,7 @@ u32 libpngdec;
 u32 libpngdec_rtoc;
 #endif
 
-s32 pngDecCreate(
+s64 pngDecCreate(
 	vm::ptr<u32> mainHandle,
 	vm::ptr<const CellPngDecThreadInParam> param,
 	vm::ptr<const CellPngDecExtThreadInParam> ext = vm::ptr<const CellPngDecExtThreadInParam>::make(0))
@@ -45,7 +45,7 @@ s32 pngDecCreate(
 	return CELL_OK;
 }
 
-s32 pngDecDestroy(CellPngDecMainHandle dec)
+s64 pngDecDestroy(CellPngDecMainHandle dec)
 {
 	if (!Memory.Free(dec.addr()))
 	{
@@ -55,7 +55,7 @@ s32 pngDecDestroy(CellPngDecMainHandle dec)
 	return CELL_OK;
 }
 
-s32 pngDecOpen(
+s64 pngDecOpen(
 	CellPngDecMainHandle dec,
 	vm::ptr<u32> subHandle,
 	vm::ptr<const CellPngDecSrc> src,
@@ -115,7 +115,7 @@ s32 pngDecOpen(
 	return CELL_OK;
 }
 
-s32 pngDecClose(CellPngDecSubHandle stream)
+s64 pngDecClose(CellPngDecSubHandle stream)
 {
 	cellFsClose(stream->fd);
 	if (!Memory.Free(stream.addr()))
@@ -126,7 +126,7 @@ s32 pngDecClose(CellPngDecSubHandle stream)
 	return CELL_OK;
 }
 
-s32 pngReadHeader(
+s64 pngReadHeader(
 	CellPngDecSubHandle stream,
 	vm::ptr<CellPngDecInfo> info,
 	vm::ptr<CellPngDecExtInfo> extInfo = vm::ptr<CellPngDecExtInfo>::make(0))
@@ -189,7 +189,7 @@ s32 pngReadHeader(
 	return CELL_OK;
 }
 
-s32 pngDecSetParameter(
+s64 pngDecSetParameter(
 	CellPngDecSubHandle stream,
 	vm::ptr<const CellPngDecInParam> inParam,
 	vm::ptr<CellPngDecOutParam> outParam,
@@ -230,7 +230,7 @@ s32 pngDecSetParameter(
 	return CELL_OK;
 }
 
-s32 pngDecodeData(
+s64 pngDecodeData(
 	CellPngDecSubHandle stream,
 	vm::ptr<u8> data,
 	vm::ptr<const CellPngDecDataCtrlParam> dataCtrlParam,
@@ -359,7 +359,7 @@ s32 pngDecodeData(
 	return CELL_OK;
 }
 
-s32 cellPngDecCreate(vm::ptr<u32> mainHandle, vm::ptr<const CellPngDecThreadInParam> threadInParam, vm::ptr<CellPngDecThreadOutParam> threadOutParam)
+s64 cellPngDecCreate(vm::ptr<u32> mainHandle, vm::ptr<const CellPngDecThreadInParam> threadInParam, vm::ptr<CellPngDecThreadOutParam> threadOutParam)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -379,7 +379,7 @@ s32 cellPngDecCreate(vm::ptr<u32> mainHandle, vm::ptr<const CellPngDecThreadInPa
 #endif
 }
 
-s32 cellPngDecExtCreate(
+s64 cellPngDecExtCreate(
 	vm::ptr<u32> mainHandle,
 	vm::ptr<const CellPngDecThreadInParam> threadInParam,
 	vm::ptr<CellPngDecThreadOutParam> threadOutParam,
@@ -405,7 +405,7 @@ s32 cellPngDecExtCreate(
 #endif
 }
 
-s32 cellPngDecDestroy(CellPngDecMainHandle mainHandle)
+s64 cellPngDecDestroy(CellPngDecMainHandle mainHandle)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -418,7 +418,7 @@ s32 cellPngDecDestroy(CellPngDecMainHandle mainHandle)
 #endif
 }
 
-s32 cellPngDecOpen(
+s64 cellPngDecOpen(
 	CellPngDecMainHandle mainHandle,
 	vm::ptr<u32> subHandle,
 	vm::ptr<const CellPngDecSrc> src,
@@ -436,7 +436,7 @@ s32 cellPngDecOpen(
 #endif
 }
 
-s32 cellPngDecExtOpen(
+s64 cellPngDecExtOpen(
 	CellPngDecMainHandle mainHandle,
 	vm::ptr<u32> subHandle,
 	vm::ptr<const CellPngDecSrc> src,
@@ -456,7 +456,7 @@ s32 cellPngDecExtOpen(
 #endif
 }
 
-s32 cellPngDecClose(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle)
+s64 cellPngDecClose(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -468,7 +468,7 @@ s32 cellPngDecClose(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHand
 #endif
 }
 
-s32 cellPngDecReadHeader(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngDecInfo> info)
+s64 cellPngDecReadHeader(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngDecInfo> info)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -481,7 +481,7 @@ s32 cellPngDecReadHeader(CellPngDecMainHandle mainHandle, CellPngDecSubHandle su
 #endif
 }
 
-s32 cellPngDecExtReadHeader(
+s64 cellPngDecExtReadHeader(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<CellPngDecInfo> info,
@@ -498,7 +498,7 @@ s32 cellPngDecExtReadHeader(
 #endif
 }
 
-s32 cellPngDecSetParameter(
+s64 cellPngDecSetParameter(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<const CellPngDecInParam> inParam,
@@ -515,7 +515,7 @@ s32 cellPngDecSetParameter(
 #endif
 }
 
-s32 cellPngDecExtSetParameter(
+s64 cellPngDecExtSetParameter(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<const CellPngDecInParam> inParam,
@@ -534,7 +534,7 @@ s32 cellPngDecExtSetParameter(
 #endif
 }
 
-s32 cellPngDecDecodeData(
+s64 cellPngDecDecodeData(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<u8> data,
@@ -552,7 +552,7 @@ s32 cellPngDecDecodeData(
 #endif
 }
 
-s32 cellPngDecExtDecodeData(
+s64 cellPngDecExtDecodeData(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<u8> data,
@@ -572,7 +572,7 @@ s32 cellPngDecExtDecodeData(
 #endif
 }
 
-s32 cellPngDecGetUnknownChunks(
+s64 cellPngDecGetUnknownChunks(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<vm::bptr<CellPngUnknownChunk>> unknownChunk,
@@ -587,7 +587,7 @@ s32 cellPngDecGetUnknownChunks(
 #endif
 }
 
-s32 cellPngDecGetpCAL(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPCAL> pcal)
+s64 cellPngDecGetpCAL(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPCAL> pcal)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -598,7 +598,7 @@ s32 cellPngDecGetpCAL(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetcHRM(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngCHRM> chrm)
+s64 cellPngDecGetcHRM(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngCHRM> chrm)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -609,7 +609,7 @@ s32 cellPngDecGetcHRM(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetsCAL(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSCAL> scal)
+s64 cellPngDecGetsCAL(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSCAL> scal)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -620,7 +620,7 @@ s32 cellPngDecGetsCAL(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetpHYs(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPHYS> phys)
+s64 cellPngDecGetpHYs(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPHYS> phys)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -631,7 +631,7 @@ s32 cellPngDecGetpHYs(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetoFFs(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngOFFS> offs)
+s64 cellPngDecGetoFFs(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngOFFS> offs)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -642,7 +642,7 @@ s32 cellPngDecGetoFFs(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetsPLT(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSPLT> splt)
+s64 cellPngDecGetsPLT(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSPLT> splt)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -653,7 +653,7 @@ s32 cellPngDecGetsPLT(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetbKGD(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngBKGD> bkgd)
+s64 cellPngDecGetbKGD(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngBKGD> bkgd)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -664,7 +664,7 @@ s32 cellPngDecGetbKGD(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGettIME(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngTIME> time)
+s64 cellPngDecGettIME(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngTIME> time)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -675,7 +675,7 @@ s32 cellPngDecGettIME(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGethIST(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngHIST> hist)
+s64 cellPngDecGethIST(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngHIST> hist)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -686,7 +686,7 @@ s32 cellPngDecGethIST(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGettRNS(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngTRNS> trns)
+s64 cellPngDecGettRNS(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngTRNS> trns)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -697,7 +697,7 @@ s32 cellPngDecGettRNS(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetsBIT(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSBIT> sbit)
+s64 cellPngDecGetsBIT(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSBIT> sbit)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -708,7 +708,7 @@ s32 cellPngDecGetsBIT(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetiCCP(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngICCP> iccp)
+s64 cellPngDecGetiCCP(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngICCP> iccp)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -719,7 +719,7 @@ s32 cellPngDecGetiCCP(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetsRGB(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSRGB> srgb)
+s64 cellPngDecGetsRGB(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSRGB> srgb)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -730,7 +730,7 @@ s32 cellPngDecGetsRGB(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetgAMA(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngGAMA> gama)
+s64 cellPngDecGetgAMA(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngGAMA> gama)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -741,7 +741,7 @@ s32 cellPngDecGetgAMA(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetPLTE(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPLTE> plte)
+s64 cellPngDecGetPLTE(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPLTE> plte)
 {
 #ifdef PRX_DEBUG
 	cellPngDec->Warning("%s()", __FUNCTION__);
@@ -752,7 +752,7 @@ s32 cellPngDecGetPLTE(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHa
 #endif
 }
 
-s32 cellPngDecGetTextChunk(
+s64 cellPngDecGetTextChunk(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<u32> textInfoNum,
@@ -804,6 +804,8 @@ void cellPngDec_init(Module *pxThis)
 #ifdef PRX_DEBUG
 	CallAfter([]()
 	{
+		if (!Memory.MainMem.GetStartAddr()) return;
+
 		libpngdec = (u32)Memory.MainMem.AllocAlign(sizeof(libpngdec_data), 0x100000);
 		memcpy(vm::get_ptr<void>(libpngdec), libpngdec_data, sizeof(libpngdec_data));
 		libpngdec_rtoc = libpngdec + 0x49710;
diff --git a/rpcs3/Emu/SysCalls/Modules/cellPngDec.h b/rpcs3/Emu/SysCalls/Modules/cellPngDec.h
index 6bb2d021a4..e0a5473584 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellPngDec.h
+++ b/rpcs3/Emu/SysCalls/Modules/cellPngDec.h
@@ -183,77 +183,77 @@ struct CellPngDecDataOutInfo
 };
 
 // Functions
-s32 cellPngDecCreate(vm::ptr<u32> mainHandle, vm::ptr<const CellPngDecThreadInParam> threadInParam, vm::ptr<CellPngDecThreadOutParam> threadOutParam);
+s64 cellPngDecCreate(vm::ptr<u32> mainHandle, vm::ptr<const CellPngDecThreadInParam> threadInParam, vm::ptr<CellPngDecThreadOutParam> threadOutParam);
 
-s32 cellPngDecExtCreate(
+s64 cellPngDecExtCreate(
 	vm::ptr<u32> mainHandle,
 	vm::ptr<const CellPngDecThreadInParam> threadInParam,
 	vm::ptr<CellPngDecThreadOutParam> threadOutParam,
 	vm::ptr<const CellPngDecExtThreadInParam> extThreadInParam,
 	vm::ptr<CellPngDecExtThreadOutParam> extThreadOutParam);
 
-s32 cellPngDecOpen(
+s64 cellPngDecOpen(
 	CellPngDecMainHandle mainHandle,
 	vm::ptr<u32> subHandle,
 	vm::ptr<const CellPngDecSrc> src,
 	vm::ptr<CellPngDecOpnInfo> openInfo);
 
-s32 cellPngDecReadHeader(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngDecInfo> info);
+s64 cellPngDecReadHeader(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngDecInfo> info);
 
-s32 cellPngDecSetParameter(
+s64 cellPngDecSetParameter(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<const CellPngDecInParam> inParam,
 	vm::ptr<CellPngDecOutParam> outParam);
 
-s32 cellPngDecDecodeData(
+s64 cellPngDecDecodeData(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<u8> data,
 	vm::ptr<const CellPngDecDataCtrlParam> dataCtrlParam,
 	vm::ptr<CellPngDecDataOutInfo> dataOutInfo);
 
-s32 cellPngDecClose(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle);
+s64 cellPngDecClose(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle);
 
-s32 cellPngDecDestroy(CellPngDecMainHandle mainHandle);
+s64 cellPngDecDestroy(CellPngDecMainHandle mainHandle);
 
-s32 cellPngDecGetTextChunk(
+s64 cellPngDecGetTextChunk(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<u32> textInfoNum,
 	vm::ptr<vm::bptr<CellPngTextInfo>> textInfo);
 
-s32 cellPngDecGetPLTE(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPLTE> plte);
+s64 cellPngDecGetPLTE(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPLTE> plte);
 
-s32 cellPngDecGetgAMA(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngGAMA> gama);
+s64 cellPngDecGetgAMA(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngGAMA> gama);
 
-s32 cellPngDecGetsRGB(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSRGB> srgb);
+s64 cellPngDecGetsRGB(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSRGB> srgb);
 
-s32 cellPngDecGetiCCP(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngICCP> iccp);
+s64 cellPngDecGetiCCP(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngICCP> iccp);
 
-s32 cellPngDecGetsBIT(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSBIT> sbit);
+s64 cellPngDecGetsBIT(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSBIT> sbit);
 
-s32 cellPngDecGettRNS(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngTRNS> trns);
+s64 cellPngDecGettRNS(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngTRNS> trns);
 
-s32 cellPngDecGethIST(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngHIST> hist);
+s64 cellPngDecGethIST(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngHIST> hist);
 
-s32 cellPngDecGettIME(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngTIME> time);
+s64 cellPngDecGettIME(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngTIME> time);
 
-s32 cellPngDecGetbKGD(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngBKGD> bkgd);
+s64 cellPngDecGetbKGD(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngBKGD> bkgd);
 
-s32 cellPngDecGetsPLT(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSPLT> splt);
+s64 cellPngDecGetsPLT(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSPLT> splt);
 
-s32 cellPngDecGetoFFs(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngOFFS> offs);
+s64 cellPngDecGetoFFs(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngOFFS> offs);
 
-s32 cellPngDecGetpHYs(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPHYS> phys);
+s64 cellPngDecGetpHYs(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPHYS> phys);
 
-s32 cellPngDecGetsCAL(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSCAL> scal);
+s64 cellPngDecGetsCAL(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngSCAL> scal);
 
-s32 cellPngDecGetcHRM(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngCHRM> chrm);
+s64 cellPngDecGetcHRM(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngCHRM> chrm);
 
-s32 cellPngDecGetpCAL(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPCAL> pcal);
+s64 cellPngDecGetpCAL(CellPngDecMainHandle mainHandle, CellPngDecSubHandle subHandle, vm::ptr<CellPngPCAL> pcal);
 
-s32 cellPngDecGetUnknownChunks(
+s64 cellPngDecGetUnknownChunks(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<vm::bptr<CellPngUnknownChunk>> unknownChunk,
@@ -349,7 +349,7 @@ struct CellPngDecCbCtrlDisp
 };
 
 // Functions
-s32 cellPngDecExtOpen(
+s64 cellPngDecExtOpen(
 	CellPngDecMainHandle mainHandle,
 	vm::ptr<u32> subHandle,
 	vm::ptr<const CellPngDecSrc> src,
@@ -357,13 +357,13 @@ s32 cellPngDecExtOpen(
 	vm::ptr<const CellPngDecCbCtrlStrm> cbCtrlStrm,
 	vm::ptr<const CellPngDecOpnParam> opnParam);
 
-s32 cellPngDecExtReadHeader(
+s64 cellPngDecExtReadHeader(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<CellPngDecInfo> info,
 	vm::ptr<CellPngDecExtInfo> extInfo);
 
-s32 cellPngDecExtSetParameter(
+s64 cellPngDecExtSetParameter(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<const CellPngDecInParam> inParam,
@@ -371,7 +371,7 @@ s32 cellPngDecExtSetParameter(
 	vm::ptr<const CellPngDecExtInParam> extInParam,
 	vm::ptr<CellPngDecExtOutParam> extOutParam);
 
-s32 cellPngDecExtDecodeData(
+s64 cellPngDecExtDecodeData(
 	CellPngDecMainHandle mainHandle,
 	CellPngDecSubHandle subHandle,
 	vm::ptr<u8> data,
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSpurs.cpp b/rpcs3/Emu/SysCalls/Modules/cellSpurs.cpp
index ae7565535c..9a293f5476 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSpurs.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSpurs.cpp
@@ -557,9 +557,9 @@ s64 spursInit(
 							{
 								if (spurs->m.wklReadyCount[i].read_relaxed() ||
 									spurs->m.wklSet1.read_relaxed() & (0x8000u >> i) ||
-									spurs->m.wklFlag.flag.read_relaxed() == 0 &&
+									(spurs->m.wklFlag.flag.read_relaxed() == 0 &&
 									spurs->m.flagRecv.read_relaxed() == (u8)i
-									)
+									))
 								{
 									do_break = true;
 									break;
@@ -575,9 +575,9 @@ s64 spursInit(
 							{
 								if (spurs->m.wklReadyCount[i + 0x10].read_relaxed() ||
 									spurs->m.wklSet2.read_relaxed() & (0x8000u >> i) ||
-									spurs->m.wklFlag.flag.read_relaxed() == 0 &&
+									(spurs->m.wklFlag.flag.read_relaxed() == 0 &&
 									spurs->m.flagRecv.read_relaxed() == (u8)i + 0x10
-									)
+									))
 								{
 									do_break = true;
 									break;
@@ -953,11 +953,26 @@ s64 cellSpursAttributeEnableSystemWorkload(vm::ptr<CellSpursAttribute> attr, vm:
 
 s64 cellSpursFinalize(vm::ptr<CellSpurs> spurs)
 {
-	cellSpurs->Todo("cellSpursFinalize(spurs_addr=0x%x)", spurs.addr());
-#ifdef PRX_DEBUG
+	cellSpurs->Warning("cellSpursFinalize(spurs_addr=0x%x)", spurs.addr());
+#ifdef PRX_DEBUG_XXX
 	return GetCurrentPPUThread().FastCall2(libsre + 0x8568, libsre_rtoc);
 #endif
 
+	if (!spurs)
+	{
+		return CELL_SPURS_CORE_ERROR_NULL_POINTER;
+	}
+	if (spurs.addr() % 128)
+	{
+		return CELL_SPURS_CORE_ERROR_ALIGN;
+	}
+	if (spurs->m.xD66.read_relaxed())
+	{
+		return CELL_SPURS_CORE_ERROR_STAT;
+	}
+
+
+
 	return CELL_OK;
 }
 
@@ -1360,13 +1375,7 @@ s32 spursAddWorkload(
 		spurs->m.wklSet2._and_not({ be_t<u16>::make(0x8000 >> index) }); // clear bit in wklFlag2
 	}
 
-	spurs->m.flagRecv.atomic_op([wnum](u8& FR)
-	{
-		if (FR == wnum)
-		{
-			FR = 0xff;
-		}
-	});
+	spurs->m.flagRecv.compare_and_swap(wnum, 0xff);
 
 	u32 res_wkl;
 	CellSpurs::_sub_str3& wkl = wnum <= 15 ? spurs->m.wklG1[wnum] : spurs->m.wklG2[wnum & 0xf];
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSpursJq.cpp b/rpcs3/Emu/SysCalls/Modules/cellSpursJq.cpp
index ed4c73b9be..c1ad643060 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSpursJq.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSpursJq.cpp
@@ -766,6 +766,8 @@ void cellSpursJq_init(Module *pxThis)
 #ifdef PRX_DEBUG
 	CallAfter([]()
 	{
+		if (!Memory.MainMem.GetStartAddr()) return;
+
 		libspurs_jq = (u32)Memory.MainMem.AllocAlign(sizeof(libspurs_jq_data), 0x100000);
 		memcpy(vm::get_ptr<void>(libspurs_jq), libspurs_jq_data, sizeof(libspurs_jq_data));
 		libspurs_jq_rtoc = libspurs_jq + 0x17E80;
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSync.cpp b/rpcs3/Emu/SysCalls/Modules/cellSync.cpp
index 32cb8b42b4..e77004872a 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSync.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSync.cpp
@@ -1989,6 +1989,8 @@ void cellSync_init(Module *pxThis)
 #ifdef PRX_DEBUG
 	CallAfter([]()
 	{
+		if (!Memory.MainMem.GetStartAddr()) return;
+
 		libsre = (u32)Memory.MainMem.AllocAlign(sizeof(libsre_data), 0x100000);
 		memcpy(vm::get_ptr<void>(libsre), libsre_data, sizeof(libsre_data));
 		libsre_rtoc = libsre + 0x399B0;
diff --git a/rpcs3/Emu/SysCalls/Modules/cellSync2.cpp b/rpcs3/Emu/SysCalls/Modules/cellSync2.cpp
index 7359814b89..fb39449614 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellSync2.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellSync2.cpp
@@ -458,6 +458,8 @@ void cellSync2_init(Module *pxThis)
 #ifdef PRX_DEBUG
 	CallAfter([]()
 	{
+		if (!Memory.MainMem.GetStartAddr()) return;
+
 		libsync2 = (u32)Memory.MainMem.AllocAlign(sizeof(libsync2_data), 0x100000);
 		memcpy(vm::get_ptr<void>(libsync2), libsync2_data, sizeof(libsync2_data));
 		libsync2_rtoc = libsync2 + 0xF280;
diff --git a/rpcs3/Emu/SysCalls/SC_FUNC.h b/rpcs3/Emu/SysCalls/SC_FUNC.h
index 28c4ef0582..111c4333b2 100644
--- a/rpcs3/Emu/SysCalls/SC_FUNC.h
+++ b/rpcs3/Emu/SysCalls/SC_FUNC.h
@@ -249,4 +249,4 @@ template<typename RT, typename... T>
 func_caller* bind_func(RT(*call)(T...))
 {
 	return new detail::func_binder<RT, T...>(call);
-}
\ No newline at end of file
+}
diff --git a/rpcs3/Loader/ELF32.cpp b/rpcs3/Loader/ELF32.cpp
index 430ae52f32..d7765e5e32 100644
--- a/rpcs3/Loader/ELF32.cpp
+++ b/rpcs3/Loader/ELF32.cpp
@@ -3,8 +3,11 @@
 #include "Utilities/rFile.h"
 #include "Emu/FS/vfsStream.h"
 #include "Emu/Memory/Memory.h"
+#include "Emu/ARMv7/PSVFuncList.h"
 #include "ELF32.h"
 
+#define LOADER_DEBUG
+
 void Elf32_Ehdr::Show()
 {
 #ifdef LOADER_DEBUG
@@ -502,6 +505,8 @@ bool ELF32Loader::LoadPhdrData(u64 _offset)
 
 bool ELF32Loader::LoadShdrData(u64 offset)
 {
+	u32 fnid_addr = 0;
+
 	for(u32 i=0; i<shdr_arr.size(); ++i)
 	{
 		Elf32_Shdr& shdr = shdr_arr[i];
@@ -527,6 +532,79 @@ bool ELF32Loader::LoadShdrData(u64 offset)
 		{
 			max_addr = shdr.sh_addr + shdr.sh_size;
 		}
+
+		// probably should be in LoadPhdrData()
+		if (machine == MACHINE_ARM && !strcmp(shdr_name_arr[i].c_str(), ".sceFNID.rodata"))
+		{
+			fnid_addr = shdr.sh_addr;
+		}
+		else if (machine == MACHINE_ARM && !strcmp(shdr_name_arr[i].c_str(), ".sceFStub.rodata"))
+		{
+			list_known_psv_modules();
+
+			auto fnid = vm::psv::ptr<const u32>::make(fnid_addr);
+			auto fstub = vm::psv::ptr<const u32>::make(shdr.sh_addr);
+
+			for (u32 j = 0; j < shdr.sh_size / 4; j++)
+			{
+				u32 nid = fnid[j];
+				u32 addr = fstub[j];
+
+				if (auto func = get_psv_func_by_nid(nid))
+				{
+					LOG_NOTICE(LOADER, "Imported function 0x%x (addr=0x%x)", nid, addr);
+
+					// writing Thumb code (temporarily, because it should be ARM)
+					vm::psv::write16(addr + 0, 0xf870); // HACK (special instruction that calls HLE function
+					vm::psv::write16(addr + 2, (u16)get_psv_func_index(func));
+					vm::psv::write16(addr + 4, 0x4770); // BX LR
+					vm::psv::write16(addr + 6, 0); // null
+				}
+				else
+				{
+					LOG_ERROR(LOADER, "Unimplemented function 0x%x (addr=0x%x)", nid, addr);
+
+					// writing Thumb code (temporarily - it shouldn't be written in this case)
+					vm::psv::write16(addr + 0, 0xf06f); // MVN r0,#0x0
+					vm::psv::write16(addr + 2, 0x0000);
+					vm::psv::write16(addr + 4, 0x4770); // BX LR
+					vm::psv::write16(addr + 6, 0); // null
+				}
+			}
+		}
+		else if (machine == MACHINE_ARM && !strcmp(shdr_name_arr[i].c_str(), ".sceRefs.rodata"))
+		{
+			// basically unknown struct
+
+			struct reloc_info
+			{
+				u32 code; // 0xff
+				u32 data; // address that will be written
+				u32 code1; // 0x2f
+				u32 addr1; // address of movw r12,# instruction to be replaced
+				u32 code2; // 0x30
+				u32 addr2; // address of movt r12,# instruction to be replaced
+				u32 code3; // 0
+			};
+
+			auto rel = vm::psv::ptr<const reloc_info>::make(shdr.sh_addr);
+
+			for (u32 j = 0; j < shdr.sh_size / sizeof(reloc_info); j++)
+			{
+				if (rel[j].code == 0xff && rel[j].code1 == 0x2f && rel[j].code2 == 0x30 && rel[j].code3 == 0)
+				{
+					const u32 data = rel[j].data;
+					vm::psv::write16(rel[j].addr1 + 0, 0xf240 | (data & 0x800) >> 1 | (data & 0xf000) >> 12); // MOVW
+					vm::psv::write16(rel[j].addr1 + 2, 0x0c00 | (data & 0x700) << 4 | (data & 0xff));
+					vm::psv::write16(rel[j].addr2 + 0, 0xf2c0 | (data & 0x8000000) >> 17 | (data & 0xf0000000) >> 28); // MOVT
+					vm::psv::write16(rel[j].addr2 + 2, 0x0c00 | (data & 0x7000000) >> 12 | (data & 0xff0000) >> 16);
+				}
+				else
+				{
+					LOG_ERROR(LOADER, "sceRefs: unknown code found (code=0x%x, code1=0x%x, code2=0x%x, code3=0x%x)", rel[j].code, rel[j].code1, rel[j].code2, rel[j].code3);
+				}
+			}
+		}
 	}
 
 	//TODO
diff --git a/rpcs3/emucore.vcxproj b/rpcs3/emucore.vcxproj
index 158775bfe8..bef91f680b 100644
--- a/rpcs3/emucore.vcxproj
+++ b/rpcs3/emucore.vcxproj
@@ -57,6 +57,8 @@
     <ClCompile Include="Emu\ARMv7\ARMv7DisAsm.cpp" />
     <ClCompile Include="Emu\ARMv7\ARMv7Interpreter.cpp" />
     <ClCompile Include="Emu\ARMv7\ARMv7Thread.cpp" />
+    <ClCompile Include="Emu\ARMv7\Modules\sceLibc.cpp" />
+    <ClCompile Include="Emu\ARMv7\PSVFuncList.cpp" />
     <ClCompile Include="Emu\Audio\AL\OpenALThread.cpp" />
     <ClCompile Include="Emu\Audio\AudioDumper.cpp" />
     <ClCompile Include="Emu\Audio\AudioManager.cpp" />
@@ -264,6 +266,7 @@
     <ClInclude Include="Emu\ARMv7\ARMv7Interpreter.h" />
     <ClInclude Include="Emu\ARMv7\ARMv7Opcodes.h" />
     <ClInclude Include="Emu\ARMv7\ARMv7Thread.h" />
+    <ClInclude Include="Emu\ARMv7\PSVFuncList.h" />
     <ClInclude Include="Emu\Audio\AL\OpenALThread.h" />
     <ClInclude Include="Emu\Audio\AudioDumper.h" />
     <ClInclude Include="Emu\Audio\AudioManager.h" />
diff --git a/rpcs3/emucore.vcxproj.filters b/rpcs3/emucore.vcxproj.filters
index e82a2cae4a..0b23ec7b36 100644
--- a/rpcs3/emucore.vcxproj.filters
+++ b/rpcs3/emucore.vcxproj.filters
@@ -75,6 +75,9 @@
     <Filter Include="Emu\SysCalls\currently_unused">
       <UniqueIdentifier>{ead7494f-a872-4b4d-a864-1a61c3b6012f}</UniqueIdentifier>
     </Filter>
+    <Filter Include="Emu\ARMv7\Modules">
+      <UniqueIdentifier>{1d9e6fc4-9a79-4329-a8b5-081e24822aaa}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="Crypto\aes.cpp">
@@ -638,6 +641,12 @@
     <ClCompile Include="Emu\ARMv7\ARMv7DisAsm.cpp">
       <Filter>Emu\ARMv7</Filter>
     </ClCompile>
+    <ClCompile Include="Emu\ARMv7\PSVFuncList.cpp">
+      <Filter>Emu\ARMv7</Filter>
+    </ClCompile>
+    <ClCompile Include="Emu\ARMv7\Modules\sceLibc.cpp">
+      <Filter>Emu\ARMv7\Modules</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Crypto\aes.h">
@@ -1249,5 +1258,8 @@
     <ClInclude Include="Emu\Cell\PPULLVMRecompiler.h">
       <Filter>Emu\Cell</Filter>
     </ClInclude>
+    <ClInclude Include="Emu\ARMv7\PSVFuncList.h">
+      <Filter>Emu\ARMv7</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file