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-rw-r--r--make_helpers/defaults.mk6
1 files changed, 5 insertions, 1 deletions
diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index 7220a5d763..bc4982d64d 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2016-2020, ARM Limited. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@@ -150,6 +150,10 @@ GICV2_G0_FOR_EL3 := 0
# by lower ELs.
HANDLE_EA_EL3_FIRST := 0
+# Secure hash algorithm flag, accepts 3 values: sha256, sha384 and sha512.
+# The default value is sha256.
+HASH_ALG := sha256
+
# Whether system coherency is managed in hardware, without explicit software
# operations.
HW_ASSISTED_COHERENCY := 0