16bce14397
Currently, only tuivm builds are available. Enable the oemvm targets. Change-Id: I5acda1e41150467726be27fcb57fd9146a425ca8 Signed-off-by: John Moon <quic_johmoo@quicinc.com>
270 lines
7.9 KiB
Python
270 lines
7.9 KiB
Python
load("//build/bazel_common_rules/dist:dist.bzl", "copy_to_dist_dir")
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load("//build/bazel_common_rules/test_mappings:test_mappings.bzl", "test_mappings_dist")
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load("//build/kernel/kleaf:constants.bzl", "aarch64_outs")
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load(
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"//build/kernel/kleaf:kernel.bzl",
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"kernel_build",
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"kernel_build_config",
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"kernel_compile_commands",
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"kernel_images",
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"kernel_modules_install",
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"merged_kernel_uapi_headers",
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)
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load(
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"//build:msm_kernel_extensions.bzl",
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"define_extras",
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"get_build_config_fragments",
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"get_dtb_list",
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"get_dtbo_list",
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"get_dtstree",
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"get_vendor_ramdisk_binaries",
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)
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load(":msm_common.bzl", "define_top_level_config", "gen_config_without_source_lines")
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load(":msm_dtc.bzl", "define_dtc_dist")
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load(":image_opts.bzl", "vm_image_opts")
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load(":uapi_library.bzl", "define_uapi_library")
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load(":target_variants.bzl", "vm_variants")
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def _define_build_config(
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msm_target,
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variant,
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target,
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defconfig = None,
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vm_image_opts = vm_image_opts(),
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build_config_fragments = []):
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"""Creates a kernel_build_config for an MSM target
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Creates a `kernel_build_config` for input to a `kernel_build` rule.
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Args:
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msm_target: name of target platform (e.g. "kalama")
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variant: variant of kernel to build (e.g. "gki")
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target: combined name (e.g. "kalama_gki")
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vm_image_opts: vm_image_opts structure containing boot image options
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build_config_fragments: build.config fragments to embed
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"""
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if defconfig:
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msm_arch = defconfig
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else:
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msm_arch = msm_target.replace("-", "_")
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gen_config_command = """
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cat << 'EOF' > "$@"
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KERNEL_DIR="msm-kernel"
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VARIANTS=(%s)
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MSM_ARCH=%s
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VARIANT=%s
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PREFERRED_USERSPACE=%s
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VM_DTB_IMG_CREATE=%d
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KERNEL_OFFSET=0x%X
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DTB_OFFSET=0x%X
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RAMDISK_OFFSET=0x%X
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VM_SIZE_EXT4=%d
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DUMMY_IMG_SIZE=%d
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EOF
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""" % (
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" ".join([v.replace("-", "_") for v in vm_variants]), # VARIANTS
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msm_arch, # MSM_ARCH
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variant.replace("-", "_"), # VARIANT
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vm_image_opts.preferred_usespace, # PREFERED_USERSPACE
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int(vm_image_opts.vm_dtb_img_create), # VM_DTB_IMG_CREATE
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vm_image_opts.kernel_offset, # KERNEL_OFFSET
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vm_image_opts.dtb_offset, # DTB_OFFSET
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vm_image_opts.ramdisk_offset, # RAMDISK_OFFSET
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vm_image_opts.vm_size_ext4, # VM_SIZE_EXT4
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vm_image_opts.dummy_img_size, # DUMMY_IMG_SIZE
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)
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# Generate the build config
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native.genrule(
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name = "{}_build_config_bazel".format(target),
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srcs = [],
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outs = ["build.config.msm.{}.generated".format(target)],
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cmd_bash = gen_config_command,
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)
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top_level_config = define_top_level_config(target)
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common_config = gen_config_without_source_lines("build.config.common", target)
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# Concatenate build config fragments to form the final config
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kernel_build_config(
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name = "{}_build_config".format(target),
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srcs = [
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# do not sort
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top_level_config,
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"build.config.constants",
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common_config,
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"build.config.aarch64",
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":{}_build_config_bazel".format(target),
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] + [fragment for fragment in build_config_fragments] + [
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"build.config.msm.common",
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"build.config.msm.vm",
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],
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)
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def _define_kernel_build(
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target,
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dtb_list,
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dtbo_list,
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dtstree,
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define_compile_commands):
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"""Creates a `kernel_build` and other associated definitions
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This is where the main kernel build target is created (e.g. `//msm-kernel:kalama_gki`).
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Many other rules will take this `kernel_build` as an input.
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Args:
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target: name of main Bazel target (e.g. `kalama_gki`)
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dtb_list: device tree blobs expected to be built
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dtbo_list: device tree overlay blobs expected to be built
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define_compile_commands: boolean determining if `compile_commands.json` should be generated
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"""
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out_list = [".config", "Module.symvers"]
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if dtb_list:
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out_list += dtb_list
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if dtbo_list:
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out_list += dtbo_list
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# Add basic kernel outputs
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out_list += aarch64_outs
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# VM builds don't build compressed, so remove from list
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out_list.remove("Image.lz4")
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out_list.remove("Image.gz")
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kernel_build(
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name = target,
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outs = out_list,
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build_config = ":{}_build_config".format(target),
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dtstree = dtstree,
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kmi_symbol_list = None,
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additional_kmi_symbol_lists = None,
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abi_definition = None,
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enable_interceptor = define_compile_commands,
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visibility = ["//visibility:public"],
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)
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kernel_images(
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name = "{}_images".format(target),
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kernel_build = ":{}".format(target),
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boot_image_outs = ["dtb.img"],
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build_boot = True,
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kernel_modules_install = None,
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)
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merged_kernel_uapi_headers(
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name = "{}_merged_kernel_uapi_headers".format(target),
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kernel_build = ":{}".format(target),
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)
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if define_compile_commands:
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kernel_compile_commands(
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name = "{}_compile_commands".format(target),
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kernel_build = ":{}".format(target),
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)
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def _define_kernel_dist(target):
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"""Creates distribution targets for kernel builds
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When Bazel builds everything, the outputs end up buried in `bazel-bin`.
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These rules are used to copy the build artifacts to `out/msm-kernel-<target>/dist/`
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with proper permissions, etc.
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Args:
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target: name of main Bazel target (e.g. `kalama_gki`)
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"""
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dist_dir = "out/msm-kernel-{}/dist".format(target.replace("_", "-"))
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msm_dist_targets = [
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# do not sort
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":{}".format(target),
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":{}_merged_kernel_uapi_headers".format(target),
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":{}_build_config".format(target),
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]
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copy_to_dist_dir(
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name = "{}_dist".format(target),
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data = msm_dist_targets,
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dist_dir = dist_dir,
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flat = True,
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wipe_dist_dir = True,
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allow_duplicate_filenames = True,
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mode_overrides = {
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# do not sort
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"**/vmlinux": "755",
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"**/Image": "755",
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"**/*.dtb*": "755",
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"**/*": "644",
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},
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log = "info",
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)
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native.alias(
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name = "{}_test_mapping".format(target),
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actual = ":{}_dist".format(target),
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)
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test_mappings_dist(
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name = "{}_test_mapping_dist".format(target),
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dist_dir = dist_dir,
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)
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def define_msm_vm(
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msm_target,
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variant,
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defconfig = None,
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define_compile_commands = False,
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vm_image_opts = vm_image_opts()):
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"""Top-level kernel build definition macro for a VM MSM platform
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Args:
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msm_target: name of target platform (e.g. "kalama")
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variant: variant of kernel to build (e.g. "gki")
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define_compile_commands: boolean determining if `compile_commands.json` should be generated
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vm_image_opts: vm_image_opts structure containing boot image options
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"""
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if not variant in vm_variants:
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fail("{} not defined in target_variants.bzl vm_variants!".format(variant))
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# Enforce format of "//msm-kernel:target-foo_variant-bar" (underscore is the delimeter
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# between target and variant)
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target = msm_target.replace("_", "-") + "_" + variant.replace("_", "-")
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dtb_list = get_dtb_list(msm_target)
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dtbo_list = get_dtbo_list(msm_target)
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dtstree = get_dtstree(msm_target)
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build_config_fragments = get_build_config_fragments(msm_target)
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_define_build_config(
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msm_target,
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variant,
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target,
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defconfig,
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vm_image_opts = vm_image_opts,
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build_config_fragments = build_config_fragments,
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)
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_define_kernel_build(
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target,
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dtb_list,
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dtbo_list,
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dtstree,
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define_compile_commands,
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)
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_define_kernel_dist(target)
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define_dtc_dist(target)
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define_uapi_library(target)
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define_extras(target, flavor = "vm")
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