Initial work on paging, also complete ish interrupt registration

uefi/src/memory.rs

@@ -97,3 +97,12 @@ impl TryFrom<u32> for EfiMemoryType {
         Self::from_u32(value).ok_or(value)
     }
 }
+impl EfiPhysicalAddress {
+    pub const fn raw_ptr<T>(&self) -> *const T {
+        self.0 as *const _
+    }
+
+    pub const fn raw(&self) -> u64 {
+        self.0
+    }
+}