doc/usage/cmd/cp.rst: document that overlapping regions are supported

Now that the cp command is changed to use memmove() internally, update
the documentation to explicitly state that overlapping regions are
allowed.

Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>

diff --git a/doc/usage/cmd/cp.rst b/doc/usage/cmd/cp.rst
index 12a24e19fee6dad8dace074bddc058aa21075031..67360e30e41b80f6c6305c7ef78ebf161a81030a 100644 (file)
--- a/doc/usage/cmd/cp.rst
+++ b/doc/usage/cmd/cp.rst
@@ -19,7 +19,8 @@ Description
 
 The cp command is used to copy *count* chunks of memory from the *source*
 address to the *target* address. If the *target* address points to NOR flash,
-the flash is programmed.
+the flash is programmed. When the *target* address points at ordinary memory,
+memmove() is used, so the two regions may overlap.
 
 The number bytes in one chunk is defined by the suffix defaulting to 4 bytes: