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#
# Copyright (c) 2020-2021 Arm Limited. All rights reserved.
#
# This program is free software and is provided to you under the terms of the
# GNU General Public License version 2 as published by the Free Software
# Foundation, and any use by you of this program is subject to the terms
# of such GNU licence.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, you can access it online at
# http://www.gnu.org/licenses/gpl-2.0.html.
#
# SPDX-License-Identifier: GPL-2.0-only
#
cmake_minimum_required(VERSION 3.0.2)
# Set the project name and version
project("ethosu_remoteproc" VERSION 1.0)
# Make sure KDIR is set
set(KDIR "" CACHE PATH "Path to Linux kernel sources")
if (NOT EXISTS ${KDIR})
message(FATAL_ERROR "Can't build kernel module without KDIR.")
endif()
# Depend on all h and c files
file(GLOB_RECURSE SOURCES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.c" "*.h")
file(GLOB_RECURSE OBJ RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.c")
list(TRANSFORM OBJ REPLACE "^(.*)[.]c" "\\1.o")
list(TRANSFORM OBJ PREPEND ${CMAKE_CURRENT_SOURCE_DIR}/)
# Build the kernel module
add_custom_target(ethosu-remoteproc-module ALL
COMMAND ${CMAKE_MAKE_PROGRAM} -C ${KDIR}
EXTRA_CFLAGS=-I${KDIR}/../../../drivers/remoteproc M=${CMAKE_CURRENT_SOURCE_DIR}
CONFIG_ETHOSU_RESET=m CONFIG_ETHOSU_REMOTEPROC=m
CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 modules
BYPRODUCTS
${CMAKE_CURRENT_SOURCE_DIR}/ethosu_remoteproc.ko
${CMAKE_CURRENT_SOURCE_DIR}/ethosu_remoteproc.mod.o
${CMAKE_CURRENT_SOURCE_DIR}/modules.order
${CMAKE_CURRENT_SOURCE_DIR}/Module.symvers
${OBJ}
DEPENDS ${SOURCES} Kbuild Kconfig
COMMENT "Building ethosu_remoteproc.ko"
VERBATIM)
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