interface/CMakeLists.txt

#-------------------------------------------------------------------------------
# Copyright (c) 2020-2021, Arm Limited. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
#-------------------------------------------------------------------------------

cmake_minimum_required(VERSION 3.15)
cmake_policy(SET CMP0076 NEW)
cmake_policy(SET CMP0079 NEW)

# Generate framework feature
set(PSA_FRAMEWORK_ISOLATION_LEVEL   ${TFM_ISOLATION_LEVEL})
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/include/psa/framework_feature.h.in
               ${CMAKE_BINARY_DIR}/generated/interface/include/psa/framework_feature.h
               @ONLY)

if (TFM_MULTI_CORE_TOPOLOGY)
    include(${CMAKE_SOURCE_DIR}/platform/ext/target/${TFM_PLATFORM}/preload_ns.cmake)
    tfm_toolchain_reload_compiler()
    # The platform target is created in this directory/file so that it has the
    # same settings as the main ns target.
    add_library(platform_ns STATIC EXCLUDE_FROM_ALL)
endif()

###################### PSA interface (header only) #############################

add_library(psa_interface INTERFACE)

target_include_directories(psa_interface
    INTERFACE
        ${CMAKE_CURRENT_SOURCE_DIR}/include
        ${CMAKE_BINARY_DIR}/generated/interface/include
        $<$<OR:$<BOOL:${FORWARD_PROT_MSG}>,$<BOOL:${TFM_MULTI_CORE_TOPOLOGY}>>:${CMAKE_CURRENT_SOURCE_DIR}/include/multi_core>
)

# PSA interface files are generated from a template
add_dependencies(psa_interface
    tfm_generated_files
)

target_link_libraries(psa_interface
    INTERFACE
        tfm_partition_defs
)

target_compile_definitions(psa_interface
    INTERFACE
        $<$<BOOL:${TFM_PSA_API}>:TFM_PSA_API>
        $<$<BOOL:${CONFIG_TFM_ENABLE_CTX_MGMT}>:CONFIG_TFM_ENABLE_CTX_MGMT>
        $<$<BOOL:${TFM_ISOLATION_LEVEL}>:TFM_LVL=${TFM_ISOLATION_LEVEL}>
        $<$<BOOL:${TFM_MULTI_CORE_TOPOLOGY}>:TFM_MULTI_CORE_TOPOLOGY>
        $<$<BOOL:${FORWARD_PROT_MSG}>:FORWARD_PROT_MSG=${FORWARD_PROT_MSG}>
        $<$<BOOL:${TFM_SP_META_PTR_ENABLE}>:TFM_SP_META_PTR_ENABLE>
)

###################### PSA api (S lib) #########################################

target_sources(tfm_secure_api
    INTERFACE
    $<$<BOOL:${TFM_PSA_API}>:${CMAKE_CURRENT_SOURCE_DIR}/src/tfm_psa_call_pack.c>
)

###################### Export configurations to NS #############################

if (TFM_MULTI_CORE_TOPOLOGY OR FORWARD_PROT_MSG)
    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/include/multi_core/tfm_mailbox_config.h.in
                   ${CMAKE_BINARY_DIR}/generated/interface/include/tfm_mailbox_config.h
                   NEWLINE_STYLE UNIX
    )
endif()