chore(docs): update march utility details
commit@7794d6c8f8c44acc14fbdc5ada5965310056be1e added a march utility
but the details were not updated in docs.
Update docs to provide a glimpse of march utility added.
Change-Id: I696cb9a701a30d7bf36a1ecd38a80d07df1fd551
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index a5633e9..ac03806 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -714,6 +714,13 @@
This option defaults to 0.
+- ``MARCH_DIRECTIVE``: used to pass a -march option from the platform build
+ options to the compiler. An example usage:
+
+ .. code:: make
+
+ MARCH_DIRECTIVE := -march=armv8.5-a
+
- ``NON_TRUSTED_WORLD_KEY``: This option is used when ``GENERATE_COT=1``. It
specifies the file that contains the Non-Trusted World private key in PEM
format. If ``SAVE_KEYS=1``, this file name will be used to save the key.