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authorManish V Badarkhe <Manish.Badarkhe@arm.com>2020-03-22 05:06:38 +0000
committerSandrine Bailleux <sandrine.bailleux@arm.com>2020-04-01 16:40:16 +0200
commit7ff088d1f0d17e6afed236f979ffc5adf005d8b0 (patch)
tree1eae524386fd25a77c974672778da2cf5094bdfc /make_helpers
parent0a43db84af8cafaf35155d0e96e679b79a775272 (diff)
downloadtrusted-firmware-a-7ff088d1f0d17e6afed236f979ffc5adf005d8b0.tar.gz
Enable MTE support
Enable MTE support by adding memory tag option in Makefile This option is available only when ARMv8.5-MemTag is implemented MTE options are added in latest clang and armclang compiler which support below options: for clang <version 11.0.0> 1. -march=arm8.5-a+memtag 2. -fsanitize=memtag for armclang <version 6.12> 1. -march=arm8.5-a+memtag 2. -mmemtag-stack Set the option SUPPORT_STACK_MEMTAG=yes to enable memory stack tagging. Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com> Change-Id: I4e0bbde4e9769ce03ead6f550158e22f32c1c413
Diffstat (limited to 'make_helpers')
-rw-r--r--make_helpers/defaults.mk5
1 files changed, 5 insertions, 0 deletions
diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index 4e968e2d36..590a800a6a 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -288,3 +288,8 @@ ENABLE_LTO := 0
# S-EL2 firmware entry/exit. This flag is to be used with SPD=spmd option.
# Default is 0.
CTX_INCLUDE_EL2_REGS := 0
+
+# Enable Memory tag extension which is supported for architecture greater
+# than Armv8.5-A
+# By default it is set to "no"
+SUPPORT_STACK_MEMTAG := no