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/xilinx/zynqmp/platform.mk

diff --git a/plat/xilinx/zynqmp/platform.mk b/plat/xilinx/zynqmp/platform.mk
index ca87cc8..cb3b442 100644
--- a/plat/xilinx/zynqmp/platform.mk
+++ b/plat/xilinx/zynqmp/platform.mk
@@ -11,6 +11,9 @@
 SEPARATE_CODE_AND_RODATA := 1
 override RESET_TO_BL31 := 1
 
+# Do not enable SVE
+ENABLE_SVE_FOR_NS	:= 0
+
 ifdef ZYNQMP_ATF_MEM_BASE
     $(eval $(call add_define,ZYNQMP_ATF_MEM_BASE))