1# 2# Copyright (c) 2013-2025, Arm Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7INCLUDES += -Iinclude/bl32/tsp 8 9ifeq (${SPMC_AT_EL3},1) 10 BL32_SOURCES += bl32/tsp/tsp_ffa_main.c \ 11 bl32/tsp/ffa_helpers.c 12else 13 BL32_SOURCES += bl32/tsp/tsp_main.c 14endif 15 16BL32_SOURCES += bl32/tsp/aarch64/tsp_entrypoint.S \ 17 bl32/tsp/aarch64/tsp_exceptions.S \ 18 bl32/tsp/aarch64/tsp_request.S \ 19 bl32/tsp/tsp_interrupt.c \ 20 bl32/tsp/tsp_timer.c \ 21 bl32/tsp/tsp_common.c \ 22 bl32/tsp/tsp_context.c \ 23 common/aarch64/early_exceptions.S \ 24 lib/locks/exclusive/aarch64/spinlock.S 25 26BL32_DEFAULT_LINKER_SCRIPT_SOURCE := bl32/tsp/tsp.ld.S 27 28# CRYPTO_SUPPORT 29NEED_AUTH := 0 30NEED_HASH := $(if $(filter 1,$(MEASURED_BOOT)),1,) 31$(eval $(call set_crypto_support,NEED_AUTH,NEED_HASH)) 32 33ifneq ($(filter 1 2 3,$(CRYPTO_SUPPORT)),) 34CRYPTO_LIB := $(BUILD_PLAT)/lib/libmbedtls.a 35endif 36 37# BL32_CPPFLAGS 38$(eval BL32_CPPFLAGS += $(call make_defines, \ 39 $(sort \ 40 CRYPTO_SUPPORT \ 41))) 42 43# Numeric_Flags 44$(eval $(call assert_numerics,\ 45 $(sort \ 46 CRYPTO_SUPPORT \ 47))) 48 49# This flag determines if the TSPD initializes BL32 in tspd_init() (synchronous 50# method) or configures BL31 to pass control to BL32 instead of BL33 51# (asynchronous method). 52TSP_INIT_ASYNC := 0 53 54$(eval $(call assert_boolean,TSP_INIT_ASYNC)) 55$(eval $(call add_define,TSP_INIT_ASYNC)) 56 57# Include the platform-specific TSP Makefile 58# If no platform-specific TSP Makefile exists, it means TSP is not supported 59# on this platform. 60TSP_PLAT_MAKEFILE := $(wildcard ${PLAT_DIR}/tsp/tsp-${PLAT}.mk) 61ifeq (,${TSP_PLAT_MAKEFILE}) 62 $(error TSP is not supported on platform ${PLAT}) 63else 64 include ${TSP_PLAT_MAKEFILE} 65endif 66