added tdeckboot

deck/fs.py

@@ -18,6 +18,15 @@ def lock_rootfs():
   if MCU_STORAGE:
     storage.remount("/", readonly=True)
 
+# TODO: switch to buffered copying to avoid RAM overflow
+def copy(p1, p2):
+  with open(p1, 'rb') as f1:
+    content = f1.read()
+    with open(p2, 'wb') as f2:
+      f2.write(content)
+
+cp = copy # shortcut export
+
 # Some shortcut export bindings to corresponding os functions
 
 sep = pathsep = os.sep