nuttx/openamp/libmetal.cmake

# ##############################################################################
# openamp/libmetal.cmake
#
# Licensed to the Apache Software Foundation (ASF) under one or more contributor
# license agreements.  See the NOTICE file distributed with this work for
# additional information regarding copyright ownership.  The ASF licenses this
# file to you 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.
#
# ##############################################################################
if(NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/libmetal)
  FetchContent_Declare(
    libmetal
    DOWNLOAD_NAME "libmetal-v${OPENAMP_VERSION}.zip"
    DOWNLOAD_DIR ${CMAKE_CURRENT_LIST_DIR}
    URL "https://github.com/OpenAMP/libmetal/archive/v${OPENAMP_VERSION}.zip"
        SOURCE_DIR
        ${CMAKE_CURRENT_LIST_DIR}/libmetal
        BINARY_DIR
        ${CMAKE_BINARY_DIR}/openamp/libmetal
        CONFIGURE_COMMAND
        ""
        BUILD_COMMAND
        ""
        INSTALL_COMMAND
        ""
    PATCH_COMMAND
      patch -p0 -d ${CMAKE_CURRENT_LIST_DIR} <
      ${CMAKE_CURRENT_LIST_DIR}/0001-libmetal-add-metal_list_for_each_safe-support.patch
      && patch -p0 -d ${CMAKE_CURRENT_LIST_DIR} <
      ${CMAKE_CURRENT_LIST_DIR}/0002-libmetal-nuttx-io.c-align-access-when-read-write-siz.patch
      && patch -p0 -d ${CMAKE_CURRENT_LIST_DIR} <
      ${CMAKE_CURRENT_LIST_DIR}/0003-libmetal-nuttx-io.c-Fix-void-pointer-arithmetic-in-a.patch
    DOWNLOAD_NO_PROGRESS true
    TIMEOUT 30)

  FetchContent_GetProperties(libmetal)

  if(NOT libmetal_target_POPULATED)
    FetchContent_Populate(libmetal)
  endif()
endif()

if("${CONFIG_ARCH}" STREQUAL "sim")
  set(LIBMETAL_ARCH x86_64)
elseif("${CONFIG_ARCH}" STREQUAL "risc-v")
  set(LIBMETAL_ARCH riscv)
elseif("${CONFIG_ARCH}" STREQUAL "arm64")
  set(LIBMETAL_ARCH aarch64)
else()
  set(LIBMETAL_ARCH ${CONFIG_ARCH})
endif()

set(PROJECT_SYSTEM nuttx)
set(CMAKE_SYSTEM_PROCESSOR ${LIBMETAL_ARCH})
set(MACHINE ${CONFIG_ARCH})
set(CMAKE_SYSTEM_NAME NuttX)
set(WITH_DOC OFF)

# cmake-format: off
set(ATOMIC_TEST_CODE
  [-[
    #include <stdatomic.h>
    int main() {
        _Atomic long long x = 0;
        return x;
    }
  ]-]
)
# cmake-format: on

file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/test_atomic.c ${ATOMIC_TEST_CODE})

try_compile(HAS_64BIT_ATOMIC_SUPPORT ${CMAKE_CURRENT_BINARY_DIR}
            ${CMAKE_CURRENT_BINARY_DIR}/test_atomic.c)

if(NOT HAS_64BIT_ATOMIC_SUPPORT)
  add_compile_options(-DNO_ATOMIC_64_SUPPORT)
endif()

add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/libmetal
                 ${CMAKE_CURRENT_BINARY_DIR}/libmetal EXCLUDE_FROM_ALL)

nuttx_create_symlink(${CMAKE_CURRENT_BINARY_DIR}/libmetal/lib/include/metal
                     ${CMAKE_BINARY_DIR}/include/metal)

nuttx_add_external_library(metal-static MODE KERNEL)