From: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Date: Wed, 3 Jan 2024 10:47:04 +0000 (+0100)
Subject: doc/usage/cmd/cp.rst: document that overlapping regions are supported
X-Git-Tag: v2025.01-rc5-pxa1908~708^2~7
X-Git-Url: http://git.dujemihanovic.xyz/img/static//%22brlog.php?a=commitdiff_plain;h=88a5b32057982d22d8fd4bdc2a3aacec569367c2;p=u-boot.git

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 12a24e19fe..67360e30e4 100644
--- 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: