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#
# SPDX-FileCopyrightText: Copyright 2019-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
#
# 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.
#
# Note: On Windows systems CMake 3.20.0 might cause issues with errouneous dependency make files.
# Issues solved with CMake 3.20.1.
cmake_minimum_required(VERSION 3.15.6)
project(core_software VERSION 0.0.1)
#
# Define build options
#
# Setup paths
set(CMSIS_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmsis" CACHE PATH "Path to CMSIS.")
set(CMSIS_NN_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmsis-nn" CACHE PATH "Path to CMSIS-NN.")
set(CMSIS_VIEW_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmsis-view" CACHE PATH "Path to cmsis-view.")
set(CORE_DRIVER_PATH "${CMAKE_CURRENT_SOURCE_DIR}/core_driver" CACHE PATH "Path to core driver.")
set(LINUX_DRIVER_STACK_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../linux_driver_stack" CACHE PATH "Path to Linux driver stack for Arm Ethos-U.")
set(TENSORFLOW_PATH "${CMAKE_CURRENT_SOURCE_DIR}/tflite_micro" CACHE PATH "Path to Tensorflow Lite Micro.")
set(TFLU_PREBUILT_LIBRARY_PATH "" CACHE PATH "Path to a prebuilt TensorFlow Lite for Microcontrollers library.")
# Select accelerator for tensorflow
set(CORE_SOFTWARE_ACCELERATOR "NPU" CACHE STRING "Set NPU backend for Tensorflow Lite for microcontrollers")
set_property(CACHE CORE_SOFTWARE_ACCELERATOR PROPERTY STRINGS CPU CMSIS-NN NPU)
# Define build options
set(CORE_SOFTWARE_RTOS "None" CACHE STRING "Select RTOS to include. (None, MbedOS, FreeRTOS, Zephyr)")
string(TOLOWER ${CORE_SOFTWARE_RTOS} CORE_SOFTWARE_RTOS_LOWER)
set(LOG_NAMES err warning info debug)
set(ETHOSU_LOG_SEVERITY "warning" CACHE STRING "Driver log severity level ${LOG_NAMES} (Defaults to warning)")
set_property(CACHE ETHOSU_LOG_SEVERITY PROPERTY STRINGS ${LOG_NAMES})
# Check that ETHOSU_LOG_SEVERITY has one of the supported levels
list(FIND LOG_NAMES ${ETHOSU_LOG_SEVERITY} LOG_SEVERITY)
if (${LOG_SEVERITY} EQUAL -1)
message(FATAL_ERROR "Unsupported log level ${ETHOSU_LOG_SEVERITY}")
endif()
#
# Build
#
add_library(ethosu_core INTERFACE)
# Build CMSIS
include(cmsis.cmake)
# Build core driver
if (CORE_SOFTWARE_ACCELERATOR STREQUAL "NPU")
set(ETHOSU_PMU_INTERACTIVE OFF)
add_subdirectory(${CORE_DRIVER_PATH} core_driver)
endif()
# Build Tensorflow Lite Micro library
include(tflite_micro.cmake)
# Build RTOS
add_subdirectory(rtos)
# Build EventRecorder
include(event_recorder.cmake)
# Build libs
add_subdirectory(lib)
# OpenAMP
add_subdirectory(openamp)
# Build applications
add_subdirectory(applications)
message(STATUS "*******************************************************")
message(STATUS "PROJECT_NAME : ${PROJECT_NAME}")
message(STATUS "CORE_SOFTWARE_RTOS : ${CORE_SOFTWARE_RTOS}")
message(STATUS "CORE_SOFTWARE_ACCELERATOR : ${CORE_SOFTWARE_ACCELERATOR}")
message(STATUS "ETHOSU_LOG_SEVERITY : ${ETHOSU_LOG_SEVERITY}")
message(STATUS "*******************************************************")
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