Move Ahci Port Controller to hold raw references.

rust/lib/mammoth/src/mem.rs

@@ -152,3 +152,10 @@ where
         write!(f, "{:?}", self.read())
     }
 }
+
+pub fn map_physical_and_leak(size: u64) -> (u64, u64) {
+    let (mem_cap, paddr) = syscall::memory_object_contiguous_physical(size).unwrap();
+    let vaddr = syscall::address_space_map(&mem_cap).unwrap();
+    mem_cap.release();
+    (vaddr, paddr)
+}