1# Copyright (c) 2021 Huawei Device Co., Ltd. 2# This program is free software; you can redistribute it and/or modify 3# it under the terms of the GNU General Public License as published by 4# the Free Software Foundation; either version 2 of the License, or 5# (at your option) any later version. 6# 7# This program is distributed in the hope that it will be useful, 8# but WITHOUT ANY WARRANTY; without even the implied warranty of 9# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10# GNU General Public License for more details. 11# 12# You should have received a copy of the GNU General Public License 13# along with this program. If not, see <http://www.gnu.org/licenses/>. 14if (os_level == "mini" || os_level == "small") { 15 import("//build/lite/config/component/lite_component.gni") 16} else { 17 import("//build/config/clang/clang.gni") 18 import("//build/ohos.gni") 19} 20import("//build/ohos/kernel/kernel.gni") 21 22# it needs adaptation for more device target 23kernel_image = "" 24if (target_cpu == "arm") { 25 kernel_image = "uImage" 26} else if (target_cpu == "arm64") { 27 kernel_image = "Image" 28} else if (target_cpu == "x86_64") { 29 kernel_image = "bzImage" 30} 31 32if (os_level == "mini" || os_level == "small") { 33 build_ext_component("linux_kernel") { 34 no_default_deps = true 35 exec_path = rebase_path(".", root_build_dir) 36 outdir = rebase_path("$root_out_dir") 37 build_type = "small" 38 product_path_rebase = rebase_path(product_path, ohos_root_path) 39 command = "./kernel_module_build.sh ${outdir} ${build_type} ${target_cpu} ${product_path_rebase} ${board_name} ${linux_kernel_version}" 40 } 41} else { 42 kernel_build_script_dir = "//kernel/linux/build" 43 kernel_source_dir = "//kernel/linux/$linux_kernel_version" 44 action("check_build") { 45 script = "check_build.sh" 46 sources = [ kernel_source_dir ] 47 outputs = [ "$root_build_dir/kernel.timestamp" ] 48 args = [ 49 rebase_path(kernel_source_dir, root_build_dir), 50 rebase_path("$root_build_dir/packages/phone/images/$kernel_image"), 51 rebase_path("$root_build_dir/kernel.timestamp"), 52 ] 53 } 54 55 action("build_kernel") { 56 script = "build_kernel.sh" 57 sources = [ kernel_source_dir ] 58 59 deps = [ ":check_build" ] 60 product_path = "vendor/$product_company/$product_name" 61 build_type = "standard" 62 outputs = [ "$root_build_dir/packages/phone/images/$kernel_image" ] 63 args = [ 64 rebase_path(kernel_build_script_dir, root_build_dir), 65 rebase_path("$root_out_dir/../KERNEL_OBJ"), 66 rebase_path("$root_build_dir/packages/phone/images"), 67 build_type, 68 target_cpu, 69 product_path, 70 device_name, 71 linux_kernel_version, 72 ] 73 } 74 75 group("linux_kernel") { 76 deps = [ ":build_kernel" ] 77 } 78} 79