1# 2# Copyright (c) 2013-2024, Arm Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7INCLUDES += -Iinclude/bl32/tsp 8 9ifeq (${SPMC_AT_EL3},1) 10 BL32_SOURCES += bl32/tsp/tsp_ffa_main.c \ 11 bl32/tsp/ffa_helpers.c 12else 13 BL32_SOURCES += bl32/tsp/tsp_main.c 14endif 15 16BL32_SOURCES += bl32/tsp/aarch64/tsp_entrypoint.S \ 17 bl32/tsp/aarch64/tsp_exceptions.S \ 18 bl32/tsp/aarch64/tsp_request.S \ 19 bl32/tsp/tsp_interrupt.c \ 20 bl32/tsp/tsp_timer.c \ 21 bl32/tsp/tsp_common.c \ 22 bl32/tsp/tsp_context.c \ 23 common/aarch64/early_exceptions.S \ 24 lib/locks/exclusive/aarch64/spinlock.S 25 26BL32_DEFAULT_LINKER_SCRIPT_SOURCE := bl32/tsp/tsp.ld.S 27 28ifeq ($($(ARCH)-ld-id),gnu-gcc) 29 BL32_LDFLAGS += -Wl,--sort-section=alignment 30else ifneq ($(filter llvm-lld gnu-ld,$($(ARCH)-ld-id)),) 31 BL32_LDFLAGS += --sort-section=alignment 32endif 33 34# This flag determines if the TSPD initializes BL32 in tspd_init() (synchronous 35# method) or configures BL31 to pass control to BL32 instead of BL33 36# (asynchronous method). 37TSP_INIT_ASYNC := 0 38 39$(eval $(call assert_boolean,TSP_INIT_ASYNC)) 40$(eval $(call add_define,TSP_INIT_ASYNC)) 41 42# Include the platform-specific TSP Makefile 43# If no platform-specific TSP Makefile exists, it means TSP is not supported 44# on this platform. 45TSP_PLAT_MAKEFILE := $(wildcard ${PLAT_DIR}/tsp/tsp-${PLAT}.mk) 46ifeq (,${TSP_PLAT_MAKEFILE}) 47 $(error TSP is not supported on platform ${PLAT}) 48else 49 include ${TSP_PLAT_MAKEFILE} 50endif 51