| # |
| # Copyright (c) 2019-2020 Arm Limited. All rights reserved. |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| # Licensed under the Apache License, Version 2.0 (the License); you may |
| # not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| include(ProcessorCount) |
| ProcessorCount(J) |
| |
| if (CMAKE_CXX_COMPILER_ID STREQUAL "ARMClang") |
| set(TFLU_TOOLCHAIN "armclang") |
| elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") |
| set(TFLU_TOOLCHAIN "gcc") |
| else () |
| message(FATAL_ERROR "No compiler ID is set") |
| endif() |
| |
| |
| get_filename_component(TFLU_TARGET_TOOLCHAIN_ROOT ${CMAKE_C_COMPILER} DIRECTORY) |
| |
| set(TFLU_TARGET_TOOLCHAIN_ROOT "${TFLU_TARGET_TOOLCHAIN_ROOT}/") |
| set(TFLU_PATH "${TENSORFLOW_PATH}/tensorflow/lite/micro") |
| set(TFLU_GENDIR ${CMAKE_CURRENT_BINARY_DIR}/tensorflow/) |
| set(TFLU_TARGET "cortex_m_generic") |
| set(TFLU_TARGET_ARCH ${CMAKE_SYSTEM_PROCESSOR}${CPU_FEATURES}) |
| set(TFLU_BUILD_TYPE "release" CACHE STRING "Tensorflow Lite Mirco build type, can be release or debug") |
| set(TFLU_OPTIMIZATION_LEVEL CACHE STRING "Tensorflow Lite Micro optimization level") |
| |
| if(CORE_SOFTWARE_ACCELERATOR STREQUAL NPU) |
| set(TFLU_ETHOSU_LIBS $<TARGET_FILE:ethosu_core_driver>) |
| # Set preference for ethos-u over cmsis-nn |
| list(APPEND TFLU_TAGS "cmsis-nn") |
| list(APPEND TFLU_TAGS "ethos-u") |
| elseif(CORE_SOFTWARE_ACCELERATOR STREQUAL CMSIS-NN) |
| list(APPEND TFLU_TAGS "cmsis-nn") |
| endif() |
| |
| string(JOIN TFLU_TAGS " " TFLU_TAGS) |
| |
| # Command and target |
| add_custom_target(tflu_gen ALL |
| COMMAND make -j${J} -f ${TFLU_PATH}/tools/make/Makefile microlite |
| TARGET_TOOLCHAIN_ROOT=${TFLU_TARGET_TOOLCHAIN_ROOT} |
| TOOLCHAIN=${TFLU_TOOLCHAIN} |
| GENDIR=${TFLU_GENDIR} |
| TARGET=${TFLU_TARGET} |
| TARGET_ARCH=${TFLU_TARGET_ARCH} |
| TAGS="${TFLU_TAGS}" |
| $<$<BOOL:${FLOAT}>:FLOAT=${FLOAT}> |
| BUILD_TYPE=${TFLU_BUILD_TYPE} |
| $<$<BOOL:${TFLU_OPTIMIZATION_LEVEL}>:OPTIMIZATION_LEVEL=${TFLU_OPTIMIZATION_LEVEL}> |
| CMSIS_PATH=${CMSIS_PATH} |
| ETHOSU_DRIVER_PATH=${CORE_DRIVER_PATH} |
| ETHOSU_DRIVER_LIBS=${TFLU_ETHOSU_LIBS} |
| BYPRODUCTS ${CMAKE_CURRENT_SOURCE_DIR}/tensorflow/tensorflow/lite/micro/tools/make/downloads |
| WORKING_DIRECTORY ${TENSORFLOW_PATH}) |
| |
| # Create library and link library to custom target |
| add_library(tflu STATIC IMPORTED) |
| set_property(TARGET tflu PROPERTY IMPORTED_LOCATION ${TFLU_GENDIR}/lib/libtensorflow-microlite.a) |
| add_dependencies(tflu tflu_gen) |
| target_include_directories(tflu INTERFACE ${TENSORFLOW_PATH}) |
| target_compile_definitions(tflu INTERFACE TF_LITE_MICRO TF_LITE_STATIC_MEMORY) |
| |
| if(CORE_SOFTWARE_ACCELERATOR STREQUAL NPU) |
| target_link_libraries(tflu INTERFACE ethosu_core_driver) |
| endif() |
| |
| # Install libraries and header files |
| get_target_property(TFLU_IMPORTED_LOCATION tflu IMPORTED_LOCATION) |
| install(FILES ${TFLU_IMPORTED_LOCATION} DESTINATION "lib") |