Jens Elofsson | a5e90fd | 2021-06-01 19:06:30 +0200 | [diff] [blame] | 1 | # |
| 2 | # Copyright (c) 2021 Arm Limited. All rights reserved. |
| 3 | # |
| 4 | # SPDX-License-Identifier: Apache-2.0 |
| 5 | # |
| 6 | # Licensed under the Apache License, Version 2.0 (the License); you may |
| 7 | # not use this file except in compliance with the License. |
| 8 | # You may obtain a copy of the License at |
| 9 | # |
| 10 | # www.apache.org/licenses/LICENSE-2.0 |
| 11 | # |
| 12 | # Unless required by applicable law or agreed to in writing, software |
| 13 | # distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| 14 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | # See the License for the specific language governing permissions and |
| 16 | # limitations under the License. |
| 17 | # |
| 18 | |
| 19 | include(ProcessorCount) |
| 20 | ProcessorCount(J) |
| 21 | |
| 22 | if (CMAKE_CXX_COMPILER_ID STREQUAL "ARMClang") |
| 23 | set(TFLU_TOOLCHAIN "armclang") |
| 24 | elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") |
| 25 | set(TFLU_TOOLCHAIN "gcc") |
| 26 | else () |
| 27 | message(FATAL_ERROR "No compiler ID is set") |
| 28 | endif() |
| 29 | |
| 30 | get_filename_component(TFLU_TARGET_TOOLCHAIN_ROOT ${CMAKE_C_COMPILER} DIRECTORY) |
| 31 | |
| 32 | set(TFLU_TARGET_TOOLCHAIN_ROOT "'${TFLU_TARGET_TOOLCHAIN_ROOT}'/") |
| 33 | set(TFLU_PATH "${TENSORFLOW_PATH}/tensorflow/lite/micro") |
| 34 | set(TFLU_GENDIR "${CMAKE_CURRENT_BINARY_DIR}/tflite_micro/") |
| 35 | set(TFLU_TARGET "cortex_m_generic") |
| 36 | set(TFLU_TARGET_ARCH ${CMAKE_SYSTEM_PROCESSOR}${CPU_FEATURES} |
| 37 | CACHE STRING "Tensorflow Lite for Microcontrollers target architecture") |
| 38 | set(TFLU_BUILD_TYPE "release" CACHE STRING "Tensorflow Lite Mirco build type, can be release or debug") |
Anton Moberg | 6753675 | 2021-06-30 08:59:41 +0200 | [diff] [blame] | 39 | set(TFLU_OPTIMIZATION_LEVEL CACHE STRING "Tensorflow Lite Micro kernel optimization level") |
Jens Elofsson | a5e90fd | 2021-06-01 19:06:30 +0200 | [diff] [blame] | 40 | |
| 41 | |
| 42 | if (TFLU_PREBUILT_LIBRARY_PATH) |
| 43 | set(TFLU_IMPORTED_LIB_PATH "${TFLU_PREBUILT_LIBRARY_PATH}") |
| 44 | message(STATUS "Using a prebuilt TensorFlow Lite for Microcontrollers library: ${TFLU_IMPORTED_LIB_PATH}") |
| 45 | else() |
| 46 | if(CORE_SOFTWARE_ACCELERATOR STREQUAL NPU) |
| 47 | set(TFLU_ETHOSU_LIBS $<TARGET_FILE:ethosu_core_driver>) |
| 48 | # Set preference for ethos-u over cmsis-nn |
| 49 | set(TFLU_OPTIMIZED_KERNEL_DIR "cmsis_nn") |
| 50 | set(TFLU_CO_PROCESSOR "ethos_u") |
| 51 | elseif(CORE_SOFTWARE_ACCELERATOR STREQUAL CMSIS-NN) |
| 52 | set(TFLU_OPTIMIZED_KERNEL_DIR "cmsis_nn") |
| 53 | endif() |
| 54 | |
| 55 | # Windows: change to relative paths. |
| 56 | if (CMAKE_HOST_SYSTEM_NAME STREQUAL Windows) |
| 57 | file(RELATIVE_PATH CMSIS_PATH ${TENSORFLOW_PATH} ${CMSIS_PATH}) |
| 58 | file(RELATIVE_PATH CORE_DRIVER_PATH ${TENSORFLOW_PATH} ${CORE_DRIVER_PATH}) |
| 59 | endif() |
| 60 | |
| 61 | # Command and target |
| 62 | add_custom_target(tflu_gen ALL |
Jens Elofsson | 46841ed | 2021-06-18 13:49:06 +0200 | [diff] [blame] | 63 | COMMAND make -f ${TFLU_PATH}/tools/make/Makefile third_party_downloads |
Jens Elofsson | a5e90fd | 2021-06-01 19:06:30 +0200 | [diff] [blame] | 64 | COMMAND make -j${J} -f ${TFLU_PATH}/tools/make/Makefile microlite |
| 65 | TARGET_TOOLCHAIN_ROOT=${TFLU_TARGET_TOOLCHAIN_ROOT} |
| 66 | TOOLCHAIN=${TFLU_TOOLCHAIN} |
| 67 | GENDIR=${TFLU_GENDIR} |
| 68 | TARGET=${TFLU_TARGET} |
| 69 | TARGET_ARCH=${TFLU_TARGET_ARCH} |
| 70 | OPTIMIZED_KERNEL_DIR="${TFLU_OPTIMIZED_KERNEL_DIR}" |
| 71 | CO_PROCESSOR="${TFLU_CO_PROCESSOR}" |
| 72 | $<$<BOOL:${FLOAT}>:FLOAT=${FLOAT}> |
| 73 | BUILD_TYPE=${TFLU_BUILD_TYPE} |
Anton Moberg | 6753675 | 2021-06-30 08:59:41 +0200 | [diff] [blame] | 74 | $<$<BOOL:${TFLU_OPTIMIZATION_LEVEL}>:KERNEL_OPTIMIZATION_LEVEL=${TFLU_OPTIMIZATION_LEVEL}> |
| 75 | $<$<BOOL:${TFLU_OPTIMIZATION_LEVEL}>:CORE_OPTIMIZATION_LEVEL=${TFLU_OPTIMIZATION_LEVEL}> |
Jens Elofsson | a5e90fd | 2021-06-01 19:06:30 +0200 | [diff] [blame] | 76 | CMSIS_PATH=${CMSIS_PATH} |
| 77 | ETHOSU_DRIVER_PATH=${CORE_DRIVER_PATH} |
| 78 | ETHOSU_DRIVER_LIBS=${TFLU_ETHOSU_LIBS} |
| 79 | BYPRODUCTS ${CMAKE_CURRENT_SOURCE_DIR}/tensorflow/tensorflow/lite/micro/tools/make/downloads |
| 80 | WORKING_DIRECTORY ${TENSORFLOW_PATH}) |
| 81 | |
| 82 | set(TFLU_IMPORTED_LIB_PATH "${TFLU_GENDIR}/lib/libtensorflow-microlite.a") |
| 83 | endif() |
| 84 | |
| 85 | # Create library and link library to custom target |
| 86 | add_library(tflu STATIC IMPORTED) |
| 87 | set_property(TARGET tflu PROPERTY IMPORTED_LOCATION "${TFLU_IMPORTED_LIB_PATH}") |
| 88 | add_dependencies(tflu tflu_gen) |
| 89 | target_include_directories(tflu INTERFACE |
| 90 | ${TENSORFLOW_PATH}) |
| 91 | target_compile_options(tflu INTERFACE |
| 92 | -I${TENSORFLOW_PATH}/tensorflow/lite/micro/tools/make/downloads/flatbuffers/include) |
| 93 | target_compile_definitions(tflu INTERFACE TF_LITE_MICRO TF_LITE_STATIC_MEMORY) |
| 94 | |
| 95 | if(${TFLU_BUILD_TYPE} STREQUAL "release") |
| 96 | target_compile_definitions(tflu INTERFACE TF_LITE_STRIP_ERROR_STRINGS) |
| 97 | endif() |
| 98 | |
| 99 | if(CORE_SOFTWARE_ACCELERATOR STREQUAL NPU) |
| 100 | target_link_libraries(tflu INTERFACE ethosu_core_driver) |
| 101 | endif() |
| 102 | |
| 103 | # Install libraries and header files |
| 104 | get_target_property(TFLU_IMPORTED_LOCATION tflu IMPORTED_LOCATION) |
| 105 | install(FILES ${TFLU_IMPORTED_LOCATION} DESTINATION "lib") |