alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 1 | #---------------------------------------------------------------------------- |
| 2 | # Copyright (c) 2021 Arm Limited. All rights reserved. |
| 3 | # SPDX-License-Identifier: Apache-2.0 |
| 4 | # |
| 5 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | # you may not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
| 8 | # |
| 9 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | # |
| 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
| 16 | #---------------------------------------------------------------------------- |
| 17 | |
| 18 | include(ProcessorCount) |
| 19 | ProcessorCount(J) |
| 20 | |
| 21 | if (CMAKE_BUILD_TYPE STREQUAL Debug) |
| 22 | set(TENSORFLOW_LITE_MICRO_DEFAULT_BUILD_TYPE "debug") |
| 23 | set(TENSORFLOW_LITE_MICRO_OPTIMIZATION_LEVEL "-O0") |
| 24 | elseif (CMAKE_BUILD_TYPE STREQUAL Release) |
| 25 | set(TENSORFLOW_LITE_MICRO_DEFAULT_BUILD_TYPE "release") |
| 26 | set(TENSORFLOW_LITE_MICRO_OPTIMIZATION_LEVEL "-O3") |
| 27 | elseif(CMAKE_BUILD_TYPE STREQUAL RelWithDebInfo) |
| 28 | set(TENSORFLOW_LITE_MICRO_DEFAULT_BUILD_TYPE "release_with_logs") |
| 29 | # No override for optimsiation level; we rely on the default |
| 30 | # optimisation applied by TensorFlow Lite Micro build here. |
| 31 | elseif (NOT DEFINED TENSORFLOW_LITE_MICRO_BUILD_TYPE) |
| 32 | message(WARNING "TENSORFLOW_LITE_MICRO_BUILD_TYPE is not set.") |
| 33 | message(FATAL_ERROR "Build type ${CMAKE_BUILD_TYPE} does not have a corresponding " |
| 34 | "default to set TensorFlow build type") |
| 35 | endif() |
| 36 | |
| 37 | USER_OPTION(TENSORFLOW_LITE_MICRO_BUILD_TYPE "TensorFlow Lite Mirco build type (release/debug etc.)" |
| 38 | ${TENSORFLOW_LITE_MICRO_DEFAULT_BUILD_TYPE} |
| 39 | STRING) |
| 40 | |
| 41 | USER_OPTION(TENSORFLOW_LITE_MICRO_CLEAN_DOWNLOADS "Select if TPIP downloads should be cleaned before each build." |
| 42 | OFF |
| 43 | BOOL) |
| 44 | |
| 45 | USER_OPTION(TENSORFLOW_LITE_MICRO_CLEAN_BUILD "Select if clean target should be added to a list of targets" |
| 46 | ON |
| 47 | BOOL) |
| 48 | |
| 49 | if (CMAKE_CXX_COMPILER_ID STREQUAL "ARMClang") |
| 50 | set(TENSORFLOW_LITE_MICRO_TOOLCHAIN "armclang") |
| 51 | elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") |
| 52 | set(TENSORFLOW_LITE_MICRO_TOOLCHAIN "gcc") |
| 53 | else () |
| 54 | message(FATAL_ERROR "No compiler ID is set") |
| 55 | endif() |
| 56 | |
| 57 | get_filename_component(TENSORFLOW_LITE_MICRO_TARGET_TOOLCHAIN_ROOT ${CMAKE_C_COMPILER} DIRECTORY) |
| 58 | set(TENSORFLOW_LITE_MICRO_TARGET_TOOLCHAIN_ROOT "${TENSORFLOW_LITE_MICRO_TARGET_TOOLCHAIN_ROOT}/") |
| 59 | |
| 60 | set(TENSORFLOW_LITE_MICRO_PATH "${TENSORFLOW_SRC_PATH}/tensorflow/lite/micro") |
| 61 | set(TENSORFLOW_LITE_MICRO_GENDIR ${CMAKE_CURRENT_BINARY_DIR}/tensorflow/) |
| 62 | |
| 63 | set(CMSIS_DSP_MAKEFILE_INC ${CMAKE_CURRENT_SOURCE_DIR}/scripts/make/cmsis_dsp.inc) |
| 64 | set(ETHOS_EVAL_TARGET_MAKEFILE_INC ${CMAKE_CURRENT_SOURCE_DIR}/scripts/make/cortex_m_ethos_eval_makefile.inc) |
| 65 | |
| 66 | if (TARGET_PLATFORM STREQUAL native) |
| 67 | set(TENSORFLOW_LITE_MICRO_TARGET "linux") |
| 68 | set(TENSORFLOW_LITE_MICRO_TARGET_ARCH x86_64) |
| 69 | else() |
| 70 | set(TENSORFLOW_LITE_MICRO_TARGET "cortex_m_ethos_eval") |
| 71 | set(TENSORFLOW_LITE_MICRO_TARGET_ARCH ${CMAKE_SYSTEM_PROCESSOR}${CPU_FEATURES}) |
| 72 | if(ETHOS_U55_ENABLED) |
| 73 | # Arm Ethos-U55 NPU is the co-processor for ML workload: |
| 74 | set(TENSORFLOW_LITE_MICRO_CO_PROCESSOR "ethos_u") |
| 75 | endif() |
| 76 | |
| 77 | set(TENSORFLOW_LITE_MICRO_OPTIMIZED_KERNEL "cmsis_nn") |
| 78 | |
| 79 | # Copy over the target helper (cortex_m_ethos_eval) |
| 80 | file(COPY ${ETHOS_EVAL_TARGET_MAKEFILE_INC} |
| 81 | DESTINATION ${TENSORFLOW_LITE_MICRO_PATH}/tools/make/targets/) |
| 82 | endif() |
| 83 | |
| 84 | if (TENSORFLOW_LITE_MICRO_CLEAN_DOWNLOADS) |
| 85 | list(APPEND MAKE_TARGETS_LIST "clean_downloads") |
| 86 | endif() |
| 87 | |
| 88 | if (TENSORFLOW_LITE_MICRO_CLEAN_BUILD) |
| 89 | list(APPEND MAKE_TARGETS_LIST "clean") |
| 90 | endif() |
| 91 | |
| 92 | # Primary target |
| 93 | list(APPEND MAKE_TARGETS_LIST "microlite") |
| 94 | message(STATUS "TensorFlow Lite Micro build to be called for these targets: ${MAKE_TARGETS_LIST}") |
| 95 | |
| 96 | # Commands and targets |
| 97 | add_custom_target(tensorflow_build ALL |
| 98 | |
| 99 | # Command to build the TensorFlow Lite Micro library |
| 100 | COMMAND make -j${J} -f ${TENSORFLOW_LITE_MICRO_PATH}/tools/make/Makefile ${MAKE_TARGETS_LIST} |
| 101 | TARGET_TOOLCHAIN_ROOT=${TENSORFLOW_LITE_MICRO_TARGET_TOOLCHAIN_ROOT} |
| 102 | TOOLCHAIN=${TENSORFLOW_LITE_MICRO_TOOLCHAIN} |
| 103 | GENDIR=${TENSORFLOW_LITE_MICRO_GENDIR} |
| 104 | TARGET=${TENSORFLOW_LITE_MICRO_TARGET} |
| 105 | TARGET_ARCH=${TENSORFLOW_LITE_MICRO_TARGET_ARCH} |
| 106 | BUILD_TYPE=${TENSORFLOW_LITE_MICRO_BUILD_TYPE} |
| 107 | ETHOSU_DRIVER_PATH=${ETHOS_U55_DRIVER_SRC_PATH} |
| 108 | CMSIS_PATH=${CMSIS_SRC_PATH} |
| 109 | |
| 110 | # Conditional arguments |
| 111 | $<$<BOOL:${ARMCLANG_DEBUG_DWARF_LEVEL}>:ARMCLANG_DEBUG_DWARF_LEVEL=${ARMCLANG_DEBUG_DWARF_LEVEL}> |
| 112 | $<$<BOOL:${TENSORFLOW_LITE_MICRO_OPTIMIZATION_LEVEL}>:OPTIMIZATION_LEVEL=${TENSORFLOW_LITE_MICRO_OPTIMIZATION_LEVEL}> |
| 113 | $<$<BOOL:${TENSORFLOW_LITE_MICRO_OPTIMIZED_KERNEL}>:OPTIMIZED_KERNEL_DIR=${TENSORFLOW_LITE_MICRO_OPTIMIZED_KERNEL}> |
| 114 | $<$<BOOL:${TENSORFLOW_LITE_MICRO_CO_PROCESSOR}>:CO_PROCESSOR=${TENSORFLOW_LITE_MICRO_CO_PROCESSOR}> |
| 115 | |
| 116 | # Command to copy over the generated library to the local build tree. |
| 117 | COMMAND ${CMAKE_COMMAND} -E copy ${TENSORFLOW_LITE_MICRO_GENDIR}/lib/${TENSORFLOW_LITE_MICRO_PLATFORM_LIB_NAME} |
| 118 | ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${TENSORFLOW_LITE_MICRO_PLATFORM_LIB_NAME} |
| 119 | |
| 120 | COMMENT "Building TensorFlow Lite Micro library..." |
| 121 | |
| 122 | BYPRODUCTS ${TENSORFLOW_SRC_PATH}/tensorflow/tensorflow/lite/micro/tools/make/downloads |
| 123 | ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${TENSORFLOW_LITE_MICRO_PLATFORM_LIB_NAME} |
| 124 | ${TENSORFLOW_LITE_MICRO_GENDIR}/lib/${TENSORFLOW_LITE_MICRO_PLATFORM_LIB_NAME} |
| 125 | |
| 126 | WORKING_DIRECTORY ${TENSORFLOW_SRC_PATH}) |
| 127 | |
| 128 | # Create library |
| 129 | add_library(tensorflow-lite-micro STATIC IMPORTED) |
| 130 | add_dependencies(tensorflow-lite-micro tensorflow_build) |