diff --git a/src/hulk/hurl/hurl.d b/src/hulk/hurl/hurl.d
index 8563802..45f4c1c 100644
--- a/src/hulk/hurl/hurl.d
+++ b/src/hulk/hurl/hurl.d
@@ -253,7 +253,7 @@ struct Hurl
         map(cast(ulong)virtual, cast(ulong)physical, flags);
     }
 
-    public static void map_range(size_t virtual, size_t physical, size_t length, ulong flags)
+    public static void map_range(ulong virtual, ulong physical, size_t length, ulong flags)
     {
         size_t end = virtual + length;
         while (virtual < end)
@@ -264,7 +264,12 @@ struct Hurl
         }
     }
 
-    public static void identity_map_range(size_t address, size_t length, ulong flags)
+    public static void map_range(T, U)(T virtual, U physical, size_t length, ulong flags)
+    {
+        map_range(cast(ulong)virtual, cast(ulong)physical, length, flags);
+    }
+
+    public static void identity_map_range(ulong address, size_t length, ulong flags)
     {
         size_t end = address + length;
         for (size_t page = address & 0xFFFF_FFFF_FFFF_F000u; page < end; page += PAGE_SIZE)
@@ -273,6 +278,11 @@ struct Hurl
         }
     }
 
+    public static void identity_map_range(T)(T address, size_t length, ulong flags)
+    {
+        identity_map_range(cast(ulong)address, length, flags);
+    }
+
     public static void debug_lookup(void * address)
     {
         Klog.writefln("Debugging page table lookup of 0x%x", address);