diff --git a/os_functions.c b/os_functions.c
index a0a4928..08514a1 100644
--- a/os_functions.c
+++ b/os_functions.c
@@ -99,6 +99,8 @@ EXPORT_DECL(void *, MEMAllocFromExpHeapEx, s32 heap, u32 size, s32 align);
 EXPORT_DECL(s32 , MEMCreateExpHeapEx, void* address, u32 size, unsigned short flags);
 EXPORT_DECL(void *, MEMDestroyExpHeap, s32 heap);
 EXPORT_DECL(void, MEMFreeToExpHeap, s32 heap, void* ptr);
+EXPORT_DECL(void *, OSAllocFromSystem, int size, int alignment);
+EXPORT_DECL(void, OSFreeToSystem, void *addr);
 
 //!----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 //! MCP functions
@@ -268,6 +270,8 @@ void InitOSFunctionPointers(void)
     OS_FIND_EXPORT(coreinit_handle, MEMCreateExpHeapEx);
     OS_FIND_EXPORT(coreinit_handle, MEMDestroyExpHeap);
     OS_FIND_EXPORT(coreinit_handle, MEMFreeToExpHeap);
+    OS_FIND_EXPORT(coreinit_handle, OSAllocFromSystem);
+    OS_FIND_EXPORT(coreinit_handle, OSFreeToSystem);
 
     //!----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
     //! Other function addresses
diff --git a/os_functions.h b/os_functions.h
index 6aad386..474db4d 100644
--- a/os_functions.h
+++ b/os_functions.h
@@ -138,6 +138,8 @@ extern void *(* MEMAllocFromExpHeapEx)(s32 heap, u32 size, s32 align);
 extern s32 (* MEMCreateExpHeapEx)(void* address, u32 size, unsigned short flags);
 extern void *(* MEMDestroyExpHeap)(s32 heap);
 extern void (* MEMFreeToExpHeap)(s32 heap, void* ptr);
+extern void* (* OSAllocFromSystem)(int size, int alignment);
+extern void (* OSFreeToSystem)(void *addr);
 
 //!----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 //! MCP functions