commit d92f4cef8c544ea1b3c8d48908ac1118930ed51c
author Alexei Fedorov <Alexei.Fedorov@arm.com> Mon Dec 07 18:13:28 2020 +0000
committer Alexei Fedorov <Alexei.Fedorov@arm.com> Thu Dec 10 08:56:45 2020 +0000
tree 27a7b8e578b1639ba96bc4ca19bc2175e41ccc95
parent 23e031b4822ad96753e8bae8f8586f034e38a5ab

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

make_helpers/defaults.mk

diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index ca44b47..2e18d67 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -13,6 +13,9 @@
 # The Target build architecture. Supported values are: aarch64, aarch32.
 ARCH			:= aarch64
 
+# ARM Architecture feature modifiers: none by default
+ARM_ARCH_FEATURE	:= none
+
 # ARM Architecture major and minor versions: 8.0 by default.
 ARM_ARCH_MAJOR		:= 8
 ARM_ARCH_MINOR		:= 0