# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
#    conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
#    of conditions and the following disclaimer in the documentation and/or other materials
#    provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used
#    to endorse or promote products derived from this software without specific prior written
#    permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import("//kernel/liteos_a/liteos.gni")

module_switch = defined(LOSCFG_FS_JFFS)
module_name = get_path_info(rebase_path("."), "name")
linux_path = rebase_path("$KERNEL_LINUX_DIR")
out_path = rebase_path(target_out_dir)

kernel_module(module_name) {
  patch_path = rebase_path(".")
  cmd = "if [ -d ${out_path}/jffs2_build ]; then rm -r ${out_path}/jffs2_build; fi && mkdir -p ${out_path}/jffs2_build/fs"
  cmd += " && cp ${linux_path}/fs/jffs2 ${out_path}/jffs2_build/fs/. -r"
  cmd += " && pushd ${out_path}/jffs2_build/"
  cmd += " && patch -p1 < ${patch_path}/jffs2.patch && popd"
  exec_script("//build/lite/run_shell_cmd.py", [ cmd ])

  sources = [
    "src/jffs2_hash.c",
    "src/vfs_jffs2.c",
  ]

  sources += [
    "${out_path}/jffs2_build/fs/jffs2/background.c",
    "${out_path}/jffs2_build/fs/jffs2/build.c",
    "${out_path}/jffs2_build/fs/jffs2/compr.c",
    "${out_path}/jffs2_build/fs/jffs2/compr_rtime.c",
    "${out_path}/jffs2_build/fs/jffs2/compr_rubin.c",
    "${out_path}/jffs2_build/fs/jffs2/compr_zlib.c",
    "${out_path}/jffs2_build/fs/jffs2/debug.c",
    "${out_path}/jffs2_build/fs/jffs2/dir.c",
    "${out_path}/jffs2_build/fs/jffs2/erase.c",
    "${out_path}/jffs2_build/fs/jffs2/file.c",
    "${out_path}/jffs2_build/fs/jffs2/fs.c",
    "${out_path}/jffs2_build/fs/jffs2/gc.c",
    "${out_path}/jffs2_build/fs/jffs2/malloc.c",
    "${out_path}/jffs2_build/fs/jffs2/nodelist.c",
    "${out_path}/jffs2_build/fs/jffs2/nodemgmt.c",
    "${out_path}/jffs2_build/fs/jffs2/read.c",
    "${out_path}/jffs2_build/fs/jffs2/readinode.c",
    "${out_path}/jffs2_build/fs/jffs2/scan.c",
    "${out_path}/jffs2_build/fs/jffs2/summary.c",
    "${out_path}/jffs2_build/fs/jffs2/super.c",
    "${out_path}/jffs2_build/fs/jffs2/write.c",
    "${out_path}/jffs2_build/fs/jffs2/writev.c",
  ]

  include_dirs = [
    "${out_path}/jffs2_build/fs",
    "${out_path}/jffs2_build/fs/jffs2",
  ]

  public_configs = [ ":public" ]

  deps = [ ":cp_jffs2_src" ]
}

config("public") {
  include_dirs = [ "include" ]
}

action("cp_jffs2_src") {
  script = "//build/lite/run_shell_cmd.py"

  outputs = [
    "${target_out_dir}/jffs2_build/fs/jffs2/background.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/build.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/compr.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/compr_rtime.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/compr_rubin.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/compr_zlib.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/debug.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/dir.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/erase.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/file.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/fs.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/gc.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/malloc.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/nodelist.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/nodemgmt.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/read.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/readinode.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/scan.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/summary.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/super.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/write.c",
    "${target_out_dir}/jffs2_build/fs/jffs2/writev.c",
  ]
}