commit 3872fc2d1fc58170e0ebc87a0cc20bff6a83ef51
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 1a853370ff8e9ff3b147297d1fc7942e7db43dd9

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/qemu/platform.mk

diff --git a/plat/qemu/platform.mk b/plat/qemu/platform.mk
index 2a7415f..43ab846 100644
--- a/plat/qemu/platform.mk
+++ b/plat/qemu/platform.mk
@@ -153,3 +153,6 @@
 
 # Process flags
 $(eval $(call add_define,BL32_RAM_LOCATION_ID))
+
+# Do not enable SVE
+ENABLE_SVE_FOR_NS	:=	0