1#
2# Copyright (c) 2013-2023, ARM Limited and Contributors. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6
7OPTEED_DIR		:=	services/spd/opteed
8SPD_INCLUDES		:=
9
10SPD_SOURCES		:=	services/spd/opteed/opteed_common.c	\
11				services/spd/opteed/opteed_helpers.S	\
12				services/spd/opteed/opteed_main.c	\
13				services/spd/opteed/opteed_pm.c
14
15NEED_BL32		:=	yes
16
17# required so that optee code can control access to the timer registers
18NS_TIMER_SWITCH		:=	1
19
20# WARNING: This enables loading of OP-TEE via an SMC, which can be potentially
21# insecure. This removes the boundary between the startup of the secure and
22# non-secure worlds until the point where this SMC is invoked. Only use this
23# setting if you can ensure that the non-secure OS can remain trusted up until
24# the point where this SMC is invoked.
25OPTEE_ALLOW_SMC_LOAD		:=	0
26ifeq ($(OPTEE_ALLOW_SMC_LOAD),1)
27ifeq ($(PLAT_XLAT_TABLES_DYNAMIC),0)
28$(error When OPTEE_ALLOW_SMC_LOAD=1, PLAT_XLAT_TABLES_DYNAMIC must also be 1)
29endif
30$(warning "OPTEE_ALLOW_SMC_LOAD is enabled which may result in an insecure \
31	platform")
32$(eval $(call add_define,PLAT_XLAT_TABLES_DYNAMIC))
33$(eval $(call add_define,OPTEE_ALLOW_SMC_LOAD))
34include lib/libfdt/libfdt.mk
35endif
36