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#
# Copyright (c) 2013-2023, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
OPTEED_DIR := services/spd/opteed
SPD_INCLUDES :=
SPD_SOURCES := services/spd/opteed/opteed_common.c \
services/spd/opteed/opteed_helpers.S \
services/spd/opteed/opteed_main.c \
services/spd/opteed/opteed_pm.c
NEED_BL32 := yes
# required so that optee code can control access to the timer registers
NS_TIMER_SWITCH := 1
# WARNING: This enables loading of OP-TEE via an SMC, which can be potentially
# insecure. This removes the boundary between the startup of the secure and
# non-secure worlds until the point where this SMC is invoked. Only use this
# setting if you can ensure that the non-secure OS can remain trusted up until
# the point where this SMC is invoked.
OPTEE_ALLOW_SMC_LOAD := 0
ifeq ($(OPTEE_ALLOW_SMC_LOAD),1)
ifeq ($(PLAT_XLAT_TABLES_DYNAMIC),0)
$(error When OPTEE_ALLOW_SMC_LOAD=1, PLAT_XLAT_TABLES_DYNAMIC must also be 1)
endif
$(warning "OPTEE_ALLOW_SMC_LOAD is enabled which may result in an insecure \
platform")
$(eval $(call add_define,PLAT_XLAT_TABLES_DYNAMIC))
$(eval $(call add_define,OPTEE_ALLOW_SMC_LOAD))
include lib/libfdt/libfdt.mk
endif
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