| """Functions that are useful in the common kernel package (usually `//common`).""" |
| |
| load("@bazel_skylib//lib:dicts.bzl", "dicts") |
| load("@bazel_skylib//lib:selects.bzl", "selects") |
| load("@bazel_skylib//rules:common_settings.bzl", "bool_flag", "string_flag") |
| load("@bazel_skylib//rules:write_file.bzl", "write_file") |
| load( |
| "//build/kernel/kleaf:kernel.bzl", |
| "kernel_abi", |
| "kernel_abi_dist", |
| "kernel_build", |
| "kernel_build_config", |
| "kernel_compile_commands", |
| "kernel_filegroup", |
| "kernel_images", |
| "kernel_kythe", |
| "kernel_modules_install", |
| "kernel_unstripped_modules_archive", |
| "merged_kernel_uapi_headers", |
| ) |
| load("//build/bazel_common_rules/dist:dist.bzl", "copy_to_dist_dir") |
| load("//build/kernel/kleaf/impl:gki_artifacts.bzl", "gki_artifacts", "gki_artifacts_prebuilts") |
| load("//build/kernel/kleaf:print_debug.bzl", "print_debug") |
| load("@kernel_toolchain_info//:dict.bzl", "BRANCH", "common_kernel_package") |
| |
| load("//common:common_drivers/project/project.bzl", "FAST_BUILD") |
| |
| # Always collect_unstripped_modules for common kernels. |
| _COLLECT_UNSTRIPPED_MODULES = True |
| |
| def define_common_amlogic( |
| name, |
| outs, |
| dtbo_srcs, |
| build_config = None, |
| module_outs = None, |
| make_goals = None, |
| define_abi_targets = None, |
| kmi_symbol_list = None, |
| additional_kmi_symbol_lists = None, |
| kmi_symbol_list_add_only = None, |
| module_grouping = None, |
| unstripped_modules_archive = None, |
| dist_dir = None, |
| ext_modules = None, |
| kconfig_ext = None, |
| kconfig_ext_srcs = None): |
| """Define target for amlogic. |
| |
| Note: This is a mixed build. |
| |
| Requires [`define_common_kernels`](#define_common_kernels) to be called in the same package. |
| |
| Args: |
| name: name of target. Usually `"amlogic"`. |
| build_config: See [kernel_build.build_config](#kernel_build-build_config). If `None`, |
| default to `"common_drivers/build.config.amlogic.bazel"`. |
| outs: See [kernel_build.outs](#kernel_build-outs). |
| module_outs: See [kernel_build.module_outs](#kernel_build-module_outs). The list of |
| in-tree kernel modules. |
| make_goals: See [kernel_build.make_goals](#kernel_build-make_goals). A list of strings |
| defining targets for the kernel build. |
| define_abi_targets: See [kernel_abi.define_abi_targets](#kernel_abi-define_abi_targets). |
| kmi_symbol_list: See [kernel_build.kmi_symbol_list](#kernel_build-kmi_symbol_list). |
| kmi_symbol_list_add_only: See [kernel_abi.kmi_symbol_list_add_only](#kernel_abi-kmi_symbol_list_add_only). |
| module_grouping: See [kernel_abi.module_grouping](#kernel_abi-module_grouping). |
| unstripped_modules_archive: See [kernel_abi.unstripped_modules_archive](#kernel_abi-unstripped_modules_archive). |
| dist_dir: Argument to `copy_to_dist_dir`. If `None`, default is `"out/{BRANCH}/dist"`. |
| """ |
| |
| if build_config == None: |
| build_config = "common_drivers/build.config.amlogic.bazel" |
| |
| if kmi_symbol_list == None: |
| kmi_symbol_list = "//common:android/abi_gki_aarch64_amlogic" if define_abi_targets else None |
| |
| if kmi_symbol_list_add_only == None: |
| kmi_symbol_list_add_only = True if define_abi_targets else None |
| |
| if dist_dir == None: |
| dist_dir = "out/{branch}/dist".format(branch = BRANCH) |
| |
| # Also refer to the list of ext modules for ABI monitoring targets |
| _kernel_modules = ext_modules; |
| |
| kernel_build( |
| name = name, |
| outs = outs, |
| srcs = [":common_kernel_sources"] + kconfig_ext_srcs, |
| # List of in-tree kernel modules. |
| module_outs = module_outs, |
| build_config = build_config, |
| # Enable mixed build. |
| base_kernel = ":kernel_aarch64" if FAST_BUILD else ":kernel_aarch64_download_or_build", |
| kmi_symbol_list = None if FAST_BUILD else kmi_symbol_list, |
| additional_kmi_symbol_lists = None if FAST_BUILD else additional_kmi_symbol_lists, |
| collect_unstripped_modules = _COLLECT_UNSTRIPPED_MODULES, |
| strip_modules = True, |
| make_goals = make_goals, |
| kconfig_ext = kconfig_ext, |
| ) |
| |
| # enable ABI Monitoring |
| # based on the instructions here: |
| # https://android.googlesource.com/kernel/build/+/refs/heads/main/kleaf/docs/abi_device.md |
| # https://android-review.googlesource.com/c/kernel/build/+/2308912 |
| kernel_abi( |
| name = name + "_abi", |
| kernel_build = name, |
| define_abi_targets = False if FAST_BUILD else define_abi_targets, |
| kernel_modules = _kernel_modules, |
| kmi_symbol_list_add_only = False if FAST_BUILD else kmi_symbol_list_add_only, |
| module_grouping = module_grouping, |
| unstripped_modules_archive = unstripped_modules_archive, |
| ) |
| |
| kernel_modules_install( |
| name = name + "_modules_install", |
| kernel_build = name, |
| # List of external modules. |
| kernel_modules = _kernel_modules, |
| ) |
| |
| merged_kernel_uapi_headers( |
| name = name + "_merged_kernel_uapi_headers", |
| kernel_build = name, |
| kernel_modules = _kernel_modules, |
| ) |
| |
| kernel_images( |
| name = name + "_images", |
| build_dtbo = True, |
| dtbo_srcs = [":" + name + "/" + e for e in dtbo_srcs], |
| build_initramfs = False if FAST_BUILD else True, |
| kernel_build = name, |
| kernel_modules_install = name + "_modules_install", |
| ) |
| |
| dist_targets = [ |
| name, |
| name + "_images", |
| name + "_modules_install", |
| # Mixed build: Additional GKI artifacts. |
| ":kernel_aarch64_download_or_build", |
| ":kernel_aarch64_additional_artifacts_download_or_build", |
| name + "_merged_kernel_uapi_headers", |
| ] |
| |
| fast_fatload_build_dist_targets = [ |
| name, |
| # name + "_images", |
| name + "_modules_install", |
| # Mixed build: Additional GKI artifacts. |
| # ":kernel_aarch64_download_or_build", |
| # ":kernel_aarch64_additional_artifacts_download_or_build", |
| # name + "_merged_kernel_uapi_headers", |
| ] |
| |
| fast_android_build_dist_targets = [ |
| name, |
| name + "_images", |
| name + "_modules_install", |
| # Mixed build: Additional GKI artifacts. |
| # ":kernel_aarch64_download_or_build", |
| ":kernel_aarch64_additional_artifacts", |
| # name + "_merged_kernel_uapi_headers", |
| ] |
| |
| targets = dist_targets |
| if FAST_BUILD == "fatload": |
| targets = fast_fatload_build_dist_targets |
| if FAST_BUILD == "android": |
| targets = fast_android_build_dist_targets |
| |
| copy_to_dist_dir( |
| name = name + "_dist", |
| data = targets, |
| dist_dir = dist_dir, |
| flat = True, |
| log = "info", |
| ) |