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/hisilicon/hikey/platform.mk

diff --git a/plat/hisilicon/hikey/platform.mk b/plat/hisilicon/hikey/platform.mk
index 26218a4..18b5e15 100644
--- a/plat/hisilicon/hikey/platform.mk
+++ b/plat/hisilicon/hikey/platform.mk
@@ -24,6 +24,7 @@
 PLAT_PL061_MAX_GPIOS		:=	160
 COLD_BOOT_SINGLE_CPU		:=	1
 PROGRAMMABLE_RESET_ADDRESS	:=	1
+ENABLE_SVE_FOR_NS		:=	0
 
 # Process flags
 $(eval $(call add_define,HIKEY_TSP_RAM_LOCATION_ID))