176b51aefa
- add support to copy *.ko to out dir - enable conditional compilation with config flags - enable CONFIG_BT_HW_SECURE_DISABLE with dependency on securemsm-kernel - re-enable compilation of bt_fm_slim with new headers - add fallthrough attribute btfm_slim_hw_interface.c - move BTFMSLIM_DEV_NAME to btfm_slim.h - add target.bzl file to define specific targets Change-Id: I7f7920870d81125f95b020ef33df77df3f937682 Signed-off-by: Franklin Abreu Bueno <quic_fabreu@quicinc.com>
96 lines
3.5 KiB
Python
96 lines
3.5 KiB
Python
load("//msm-kernel:target_variants.bzl", "get_all_variants")
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load("//build/kernel/kleaf:kernel.bzl", "ddk_module")
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load("//build/bazel_common_rules/dist:dist.bzl", "copy_to_dist_dir")
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load(":bt_modules.bzl", "bt_modules")
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def _get_config_choices(config_srcs, options):
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choices = []
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for option in config_srcs:
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choices.extend(config_srcs[option].get(option in options, []))
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return choices
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def _get_module_srcs(module, options):
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"""
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Gets all the module sources, formats them with the path for that module
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and then groups them together
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It also includes all the headers within the `include` directory
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`native.glob()` returns a new list with every file need for the current package
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"""
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srcs = module.srcs + _get_config_choices(module.config_srcs, options)
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return native.glob(
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["{}/{}".format(module.path, src) for src in srcs] + ["include/*.h"]
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)
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def _get_module_deps(module, options, formatter):
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"""
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Formats the dependent targets with the necessary prefix
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Args:
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module: kernel module
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options: dependencies that rely on a config option
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formatter: function that will replace the format string within `deps`
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Example:
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kernel build = "pineapple_gki"
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dep = "%b_btpower"
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The formatted string will look as follow
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formatted_dep = formatter(dep) = "pineapple_gki_btpower"
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"""
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deps = module.deps + _get_config_choices(module.config_deps, options)
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return [formatter(dep) for dep in deps]
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def _get_build_options(modules, config_options):
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all_options = {option: True for option in config_options}
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all_options = all_options | {module.config_opt: True for module in modules if module.config_opt}
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return all_options
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def define_target_variant_modules(target, variant, modules, config_options = []):
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"""
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Generates the ddk_module for each of our kernel modules
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Args:
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target: either `pineapple` or `kalama`
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variant: either `gki` or `consolidate`
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modules: bt_modules dictionary defined in `bt_modules.bzl`
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config_options: decides which kernel modules to build
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"""
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kernel_build = "{}_{}".format(target, variant)
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kernel_build_label = "//msm-kernel:{}".format(kernel_build)
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modules = [bt_modules.get(module_name) for module_name in modules]
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options = _get_build_options(modules, config_options)
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formatter = lambda s : s.replace("%b", kernel_build)
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all_modules = []
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for module in modules:
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rule_name = "{}_{}".format(kernel_build, module.name)
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module_srcs = _get_module_srcs(module, options)
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ddk_module(
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name = rule_name,
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kernel_build = kernel_build_label,
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srcs = module_srcs,
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out = "{}.ko".format(module.name),
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deps = ["//msm-kernel:all_headers"] + _get_module_deps(module, options, formatter),
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includes = ["include"],
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local_defines = options.keys(),
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visibility = ["//visibility:public"],
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)
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all_modules.append(rule_name)
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copy_to_dist_dir(
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name = "{}_bt-kernel_dist".format(kernel_build),
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data = all_modules,
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dist_dir = "out/target/product/{}/dlkm/lib/modules".format(target),
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flat = True,
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wipe_dist_dir = False,
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allow_duplicate_filenames = False,
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mode_overrides = {"**/*": "644"},
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log = "info",
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)
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def define_bt_modules(target, modules, config_options = []):
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for (t, v) in get_all_variants():
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if t == target:
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define_target_variant_modules(t, v, modules, config_options)
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