Add TRNG Firmware Interface service
This adds the TRNG Firmware Interface Service to the standard
service dispatcher. This includes a method for dispatching entropy
requests to platforms and includes an entropy pool implementation to
avoid dropping any entropy requested from the platform.
Change-Id: I71cadb3cb377a507652eca9e0d68714c973026e9
Signed-off-by: Jimmy Brisson <jimmy.brisson@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/bl31/bl31.mk b/bl31/bl31.mk
index e299fe1..2088533 100644
--- a/bl31/bl31.mk
+++ b/bl31/bl31.mk
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2013-2021, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@@ -68,6 +68,11 @@
services/std_svc/sdei/sdei_state.c
endif
+ifeq (${TRNG_SUPPORT},1)
+BL31_SOURCES += services/std_svc/trng/trng_main.c \
+ services/std_svc/trng/trng_entropy_pool.c
+endif
+
ifeq (${ENABLE_SPE_FOR_LOWER_ELS},1)
BL31_SOURCES += lib/extensions/spe/spe.c
endif