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#----------------------------------------------------------------------------
# Copyright (c) 2022 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
#
# http://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.
#----------------------------------------------------------------------------
#########################################################
# Ethos-U NPU initialization library #
#########################################################
cmake_minimum_required(VERSION 3.15.6)
set(ETHOS_U_NPU_INIT_COMPONENT ethosu_npu_init_component)
project(${ETHOS_U_NPU_INIT_COMPONENT}
DESCRIPTION "Ethos-U NPU initialization library"
LANGUAGES C CXX ASM)
if (NOT DEFINED ETHOS_U_NPU_DRIVER_SRC_PATH)
message(FATAL_ERROR "ETHOS_U_NPU_DRIVER_SRC_PATH should"
" be defined when ETHOS_U_NPU_ENABLED=${ETHOS_U_NPU_ENABLED}")
endif()
# For the driver, we need to provide the CMSIS_PATH variable
set(CMSIS_PATH ${CMSIS_SRC_PATH} CACHE PATH "Path to CMSIS directory")
# Driver needs to know what MAC configuration to build for.
if(ETHOS_U_NPU_CONFIG_ID MATCHES "^[A-Z]([0-9]+$)")
set(ETHOSU_MACS ${CMAKE_MATCH_1})
else()
message(FATAL_ERROR "Couldn't work out Ethos-U number of MACS from ${ETHOS_U_NPU_CONFIG_ID}")
endif()
set(ETHOSU_TARGET_NPU_CONFIG
"ethos-${ETHOS_U_NPU_ID}-${ETHOSU_MACS}" CACHE STRING "Target Ethos-U configuration for driver.")
## Memory mode target definition
if (NOT DEFINED ETHOS_U_NPU_ID)
set(ETHOS_U_NPU_ID U55)
endif()
if (NOT DEFINED ETHOS_U_NPU_MEMORY_MODE)
set(ETHOS_U_NPU_MEMORY_MODE Shared_Sram)
endif()
if (ETHOS_U_NPU_MEMORY_MODE STREQUAL Sram_Only)
if (ETHOS_U_NPU_ID STREQUAL U55)
set(ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEM_MODE_SRAM_ONLY")
else ()
message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode and processor ${ETHOS_U_NPU_MEMORY_MODE} - ${ETHOS_U_NPU_ID}. `sram_only` can be used only for Ethos-U55.")
endif ()
elseif (ETHOS_U_NPU_MEMORY_MODE STREQUAL Shared_Sram)
# Shared Sram can be used for Ethos-U55 and Ethos-U65
set(ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEMORY_MODE_SHARED_SRAM")
elseif (ETHOS_U_NPU_MEMORY_MODE STREQUAL Dedicated_Sram)
# Dedicated Sram is used only for Ethos-U65
if (ETHOS_U_NPU_ID STREQUAL U65)
list(APPEND ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM" "-DETHOS_U_NPU_CACHE_SIZE=${ETHOS_U_NPU_CACHE_SIZE}")
else ()
message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode and processor ${ETHOS_U_NPU_MEMORY_MODE} - ${ETHOS_U_NPU_ID}. `dedicated_sram` can be used only for Ethos-U65.")
endif ()
else ()
message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode ${ETHOS_U_NPU_MEMORY_MODE}")
endif ()
add_subdirectory(${ETHOS_U_NPU_DRIVER_SRC_PATH} ${CMAKE_BINARY_DIR}/ethos-u-driver)
# Create static library
add_library(${ETHOS_U_NPU_INIT_COMPONENT} STATIC)
## Include directories - public
target_include_directories(${ETHOS_U_NPU_INIT_COMPONENT}
PUBLIC
include
${SOURCE_GEN_DIR})
## Component sources
target_sources(${ETHOS_U_NPU_INIT_COMPONENT}
PRIVATE
ethosu_npu_init.c)
## Add dependencies:
target_link_libraries(${ETHOS_U_NPU_INIT_COMPONENT} PUBLIC
cmsis_device
ethosu_core_driver
log)
target_compile_definitions(${ETHOS_U_NPU_INIT_COMPONENT}
PUBLIC
${ETHOS_U_NPU_MEMORY_MODE_FLAG})
# Display status
message(STATUS "CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR})
message(STATUS "*******************************************************")
message(STATUS "Library : " ${ETHOS_U_NPU_INIT_COMPONENT})
message(STATUS "*******************************************************")
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