android_kernel_samsung_sm86.../display_driver_build.bzl
Akhil Jaiswal 8352afaa19 disp: Enable Bazel compilation for volcano
Enable Bazel compilation for volcano.

Change-Id: I84a2d46b3c814b766284fdb35a47737bb81e985b
Signed-off-by: Akhil Jaiswal <quic_akhijais@quicinc.com>
2024-03-25 12:10:50 -07:00

125 lines
4.7 KiB
Python

load("//build/kernel/kleaf:kernel.bzl", "ddk_module", "ddk_submodule")
load("//build/bazel_common_rules/dist:dist.bzl", "copy_to_dist_dir")
def _register_module_to_map(module_map, name, path, config_option, srcs, config_srcs, deps, config_deps):
processed_config_srcs = {}
nested_config = {}
processed_config_deps = {}
for config_src_name in config_srcs:
config_src = config_srcs[config_src_name]
if type(config_src) == "list":
processed_config_srcs[config_src_name] = {True: config_src}
else:
processed_config_srcs[config_src_name] = config_src
if type(config_src) == "dict":
nested_config = config_src
for nested_src, nest_name in nested_config.items():
if nested_src == True:
processed_config_srcs[config_src_name] = {True: nest_name}
else:
processed_config_srcs[nested_src] = {True: nest_name}
for config_deps_name in config_deps:
config_dep = config_deps[config_deps_name]
if type(config_dep) == "list":
processed_config_deps[config_deps_name] = {True: config_dep}
else:
processed_config_deps[config_deps_name] = config_dep
module = struct(
name = name,
path = path,
srcs = srcs,
config_srcs = processed_config_srcs,
config_option = config_option,
deps = deps,
config_deps = processed_config_deps
)
module_map[name] = module
def _get_config_choices(map, options):
choices = []
for option in map:
choices.extend(map[option].get(option in options,[]))
return choices
def _get_kernel_build_options(modules, config_options):
all_options = {option: True for option in config_options}
all_options = all_options | {module.config_option: True for module in modules if module.config_option}
return all_options
def _get_kernel_build_module_srcs(module, options, formatter):
srcs = module.srcs + _get_config_choices(module.config_srcs, options)
module_path = "{}/".format(module.path) if module.path else ""
return ["{}{}".format(module_path, formatter(src)) for src in srcs]
def _get_kernel_build_module_deps(module, options, formatter):
deps = module.deps + _get_config_choices(module.config_deps, options)
return [formatter(dep) for dep in deps]
def display_module_entry(hdrs = []):
module_map = {}
def register(name, path = None, config_option = None, srcs = [], config_srcs = {}, deps = [], config_deps = {}):
_register_module_to_map(module_map, name, path, config_option, srcs, config_srcs, deps, config_deps)
return struct(
register = register,
get = module_map.get,
hdrs = hdrs,
module_map = module_map
)
def define_target_variant_modules(target, variant, registry, modules, config_options = [], lunch_target=None):
kernel_build_hdr = "{}_{}".format(target, variant)
kernel_build_label = "//msm-kernel:{}".format(kernel_build_hdr)
if lunch_target != None:
kernel_build = "{}_{}_{}".format(target, variant, lunch_target)
else:
kernel_build = "{}_{}".format(target, variant)
modules = [registry.get(module_name) for module_name in modules]
options = _get_kernel_build_options(modules, config_options)
build_print = lambda message : print("{}: {}".format(kernel_build, message))
formatter = lambda s : s.replace("%b", kernel_build).replace("%t", target)
formatter_hdr = lambda s : s.replace("%b", kernel_build_hdr).replace("%t", target)
headers = ["//msm-kernel:all_headers"] + registry.hdrs
all_module_rules = []
for module in modules:
rule_name = "{}_{}".format(kernel_build, module.name)
module_srcs = _get_kernel_build_module_srcs(module, options, formatter)
print(rule_name)
if not module_srcs:
continue
ddk_submodule(
name = rule_name,
srcs = module_srcs,
out = "{}.ko".format(module.name),
deps = headers + _get_kernel_build_module_deps(module, options, formatter_hdr),
local_defines = options.keys(),
)
all_module_rules.append(rule_name)
ddk_module(
name = "{}_display_drivers".format(kernel_build),
kernel_build = kernel_build_label,
deps = all_module_rules,
)
copy_to_dist_dir(
name = "{}_display_drivers_dist".format(kernel_build),
data = [":{}_display_drivers".format(kernel_build)],
dist_dir = "out/target/product/{}/dlkm/lib/modules/".format(target),
flat = True,
wipe_dist_dir = False,
allow_duplicate_filenames = False,
mode_overrides = {"**/*": "644"},
log = "info",
)