diff --git a/src/platform.c b/src/platform.c
index 4c1b8a8..36ca78a 100644
--- a/src/platform.c
+++ b/src/platform.c
@@ -23,6 +23,34 @@ void platform_free(void *mem)
     free(mem);
 }
 
+
+static void *platform_allocator_func(Allocator *allocator, AllocOperation operation , void *memory, U32 size, U32 align)
+{
+    switch (operation) {
+        case Alloc_Op_Aligned:
+            return aligned_alloc(size, align);
+
+        case Alloc_Op_Free: // can't free/Free_all from  an marena
+            free(memory);
+            return NULL;
+
+            case Alloc_Op_Free_All:
+                free(memory);;
+                return NULL;
+    }
+
+    Assert(false);
+}
+
+Allocator platform_allocator(void)
+{
+    Allocator allocator = {};
+    allocator.op_func_ptr = platform_allocator_func;
+    allocator.data = NULL;
+
+    return allocator;
+}
+
 void *memory_allocate_and_commit(size_t size)
 {
     Assert(IsPageAligned(size));
diff --git a/src/platform.h b/src/platform.h
index 54c3700..f7932dd 100644
--- a/src/platform.h
+++ b/src/platform.h
@@ -1,7 +1,11 @@
 #pragma once
 #include <stdlib.h>
+#include "base_core.h"
 
 void *platform_malloc(size_t size);
+void platform_free(void *mem);
+Allocator platform_allocator(void);
+
 U32 platform_page_size(void);
 
 // Memory functions expect mem and size to be page aligned