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#
# SPDX-FileCopyrightText: Copyright 2020-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
# SPDX-License-Identifier: GPL-2.0-only
#
# 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.
#
cmake_minimum_required(VERSION 3.0.2)
# Set the project name and version
project("ethosu_kernel" 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")
# Build the kernel module
add_custom_target(kernel ALL
COMMAND ${CMAKE_MAKE_PROGRAM} -C ${KDIR} C=2 M=${CMAKE_CURRENT_SOURCE_DIR} CONFIG_ETHOSU=m CROSS_COMPILE=${CROSS_COMPILE} ARCH=${ARCH} modules
BYPRODUCTS ethosu.ko
DEPENDS ${SOURCES} Kbuild Kconfig
COMMENT "Building ethosu.ko"
VERBATIM)
# Install the kernel object and headers
install(FILES ethosu.ko DESTINATION "modules")
install(FILES "uapi/ethosu.h" DESTINATION "include/uapi")
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