From 347397decaa43372fc4d00f965640ebde042966d Mon Sep 17 00:00:00 2001
From: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Date: Fri, 4 Dec 2020 14:04:58 +0100
Subject: [PATCH] Readme: add description for zero copy demo

Add a subchapter to describe how to run the rpmsg echo demo using the
nocopy API.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
---
 README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.md b/README.md
index 7a812d9..d48bc59 100644
--- a/README.md
+++ b/README.md
@@ -147,6 +147,7 @@ directory.
 * If you have used `-DWITH_APPS=ON` to build the demos, you can try them on
   your Linux host as follows:
 
+  * rpmsg echo demo:
     ```
     # Start echo test server to wait for message to echo
     $ sudo LD_LIBRARY_PATH=<openamp_built>/usr/local/lib:<libmetal_built>/usr/local/lib \
@@ -156,6 +157,16 @@ directory.
        build/usr/local/bin/rpmsg-echo-ping-shared 1
     ```
 
+  * rpmsg echo demo with the nocopy API:
+    ```
+    # Start echo test server to wait for message to echo
+    $ sudo LD_LIBRARY_PATH=<openamp_built>/usr/local/lib:<libmetal_built>/usr/local/lib \
+       build/usr/local/bin/rpmsg-nocopy-echo-shared
+    # Run echo test to send message to echo test server
+    $ sudo LD_LIBRARY_PATH=<openamp_built>/usr/local/lib:<libmetal_built>/usr/local/lib \
+       build/usr/local/bin/rpmsg-nocopy-ping-shared 1
+    ```
+
 ###  Example to compile Zynq UltraScale+ MPSoC R5 generic(baremetal) remote:
 * build libmetal library on your host as follows:
   * Create your on cmake toolchain file to compile libmetal for your generic