commit c5b0c0f97176f4233e7f021e334eb85dddc1d040
author David Cunado <david.cunado@arm.com> Tue Oct 31 23:19:21 2017 +0000
committer David Cunado <david.cunado@arm.com> Thu Nov 30 17:45:23 2017 +0000
tree 634c4d85acffae1467eb1e1ab96e7dcd1cfd120f
parent ce88eeefa72f3ba18d2c89ffa438811766d10e16

Do not enable SVE on pre-v8.2 platforms

Pre-v8.2 platforms such as the Juno platform does not have
the Scalable Vector Extensions implemented and so the build
option ENABLE_SVE is set to zero.

This has a minor performance improvement with no functional
impact.

Change-Id: Ib072735db7a0247406f8b60e325b7e28b1e04ad1
Signed-off-by: David Cunado <david.cunado@arm.com>

plat/mediatek/mt8173/platform.mk

diff --git a/plat/mediatek/mt8173/platform.mk b/plat/mediatek/mt8173/platform.mk
index cd01645..2eef81b 100644
--- a/plat/mediatek/mt8173/platform.mk
+++ b/plat/mediatek/mt8173/platform.mk
@@ -70,3 +70,6 @@
 PROGRAMMABLE_RESET_ADDRESS	:=	1
 
 $(eval $(call add_define,MTK_SIP_SET_AUTHORIZED_SECURE_REG_ENABLE))
+
+# Do not enable SVE
+ENABLE_SVE_FOR_NS		:=	0