From ae3cf1ff31024d0ea200d7ec9a7d0412042cbdc5 Mon Sep 17 00:00:00 2001 From: Alexei Fedorov Date: Tue, 6 Oct 2020 15:54:12 +0100 Subject: [PATCH] TF-A: Add HASH_ALG default value to defaults.mk This patch adds default value of 'sha256' for HASH_ALG build flag to 'make_helpers\defaults.mk', according to 'docs\getting_started\build-options.rst'. This fixes Measured Boot driver error when TF-A uses default HASH_ALG value and TPM_HASH_ALG is set to sha384 or sha512. Change-Id: Id0aa34b54807de0adaf88e5f7d7032577c22f365 Signed-off-by: Alexei Fedorov --- make_helpers/defaults.mk | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk index 7220a5d76..bc4982d64 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