TFTF: Add build option for Arm Feature Modifiers
This patch adds a new ARM_ARCH_FEATURE build option
to add support for compiler's feature modifiers.
It has the form '[no]feature+...' and defaults to
'none'. This option translates into compiler option
'-march=armvX[.Y]-a+[no]feature+...'.
Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
Change-Id: I115a921c777b7932523d2dff8e8e03377d87bb78
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index 8815466..d8ffe8b 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -24,6 +24,12 @@
either ``aarch64`` or ``aarch32`` as values. By default, it is defined to
``aarch64``. Not all test images support this build option.
+- ``ARM_ARCH_FEATURE``: Optional Arm Architecture build option which specifies
+ one or more feature modifiers. This option has the form ``[no]feature+...``
+ and defaults to ``none``. It translates into compiler option
+ ``-march=armvX[.Y]-a+[no]feature+...``. See compiler's documentation for the
+ list of supported feature modifiers.
+
- ``ARM_ARCH_MAJOR``: The major version of Arm Architecture to target when
compiling TF-A Tests. Its value must be numeric, and defaults to 8.