diff --git a/rpcs3/Emu/Cell/Modules/cellSysutil.cpp b/rpcs3/Emu/Cell/Modules/cellSysutil.cpp
index ab061ce0ca..f62396bf6e 100644
--- a/rpcs3/Emu/Cell/Modules/cellSysutil.cpp
+++ b/rpcs3/Emu/Cell/Modules/cellSysutil.cpp
@@ -585,6 +585,36 @@ s32 _ZN8cxmlutil7GetFileERKN4cxml7ElementEPKcPNS0_4FileE()
 	return CELL_OK;
 }
 
+s32 _ZN16sysutil_cxmlutil11FixedMemory3EndEi()
+{
+	UNIMPLEMENTED_FUNC(cellSysutil);
+	return CELL_OK;
+}
+
+s32 _ZN16sysutil_cxmlutil11FixedMemory5BeginEi()
+{
+	UNIMPLEMENTED_FUNC(cellSysutil);
+	return CELL_OK;
+}
+
+s32 _ZN16sysutil_cxmlutil11FixedMemory8AllocateEN4cxml14AllocationTypeEPvS3_jPS3_Pj()
+{
+	UNIMPLEMENTED_FUNC(cellSysutil);
+	return CELL_OK;
+}
+
+s32 _ZN16sysutil_cxmlutil12PacketWriter5WriteEPKvjPv()
+{
+	UNIMPLEMENTED_FUNC(cellSysutil);
+	return CELL_OK;
+}
+
+s32 _ZN16sysutil_cxmlutil12PacketWriterC1EiiRN4cxml8DocumentE()
+{
+	UNIMPLEMENTED_FUNC(cellSysutil);
+	return CELL_OK;
+}
+
 s32 cellSysutil_E1EC7B6A(vm::ptr<u32> unk)
 {
 	cellSysutil.todo("cellSysutil_E1EC7B6A(unk=*0x%x)", unk);
@@ -675,6 +705,12 @@ DECLARE(ppu_module_manager::cellSysutil)("cellSysutil", []()
 	REG_FUNC(cellSysutil, _ZN8cxmlutil16CheckElementNameERKN4cxml7ElementEPKc);
 	REG_FUNC(cellSysutil, _ZN8cxmlutil16FindChildElementERKN4cxml7ElementEPKcS5_S5_);
 	REG_FUNC(cellSysutil, _ZN8cxmlutil7GetFileERKN4cxml7ElementEPKcPNS0_4FileE);
-
+	
+	REG_FUNC(cellSysutil, _ZN16sysutil_cxmlutil11FixedMemory3EndEi);
+	REG_FUNC(cellSysutil, _ZN16sysutil_cxmlutil11FixedMemory5BeginEi);
+	REG_FUNC(cellSysutil, _ZN16sysutil_cxmlutil11FixedMemory8AllocateEN4cxml14AllocationTypeEPvS3_jPS3_Pj);
+	REG_FUNC(cellSysutil, _ZN16sysutil_cxmlutil12PacketWriter5WriteEPKvjPv);
+	REG_FUNC(cellSysutil, _ZN16sysutil_cxmlutil12PacketWriterC1EiiRN4cxml8DocumentE);
+	
 	REG_FNID(cellSysutil, 0xE1EC7B6A, cellSysutil_E1EC7B6A);
 });