Merge "1:1 mapping between prebuilt_kernel_modules and _dlkm filesystem modules" into main

}

// createPrebuiltKernelModules creates `prebuilt_kernel_modules`. These modules will be added to deps of the

// autogenerated *_dlkm filsystem modules.

// The input `kernelModules` is a space separated list of .ko files in the workspace. This will be partitioned per directory

// and a `prebuilt_kernel_modules` will be created per partition.

// These autogenerated modules will be subsequently added to the deps of the top level *_dlkm android_filesystem

// autogenerated *_dlkm filsystem modules. Each _dlkm partition should have a single prebuilt_kernel_modules dependency.

// This ensures that the depmod artifacts (modules.* installed in /lib/modules/) are generated with a complete view.

// The input `kernelModules` is a space separated list of .ko files in the workspace.

func (f *filesystemCreator) createPrebuiltKernelModules(ctx android.LoadHookContext, partitionType string, kernelModules []string) {

	// Partition the files per directory

	dirToFiles := map[string][]string{}

	for _, kernelModule := range kernelModules {

		dir := filepath.Dir(kernelModule)

		base := filepath.Base(kernelModule)

		dirToFiles[dir] = append(dirToFiles[dir], base)

	}

	// Create a prebuilt_kernel_modules module per partition

	fsGenState := ctx.Config().Get(fsGenStateOnceKey).(*FsGenState)

	for index, dir := range android.SortedKeys(dirToFiles) {

		name := generatedModuleName(ctx.Config(), fmt.Sprintf("%s-kernel-modules-%s", partitionType, strconv.Itoa(index)))

	name := generatedModuleName(ctx.Config(), fmt.Sprintf("%s-kernel-modules", partitionType))

	props := &struct {

		Name *string

		Srcs []string

	}{

		Name: proptools.StringPtr(name),

			Srcs: dirToFiles[dir],

		Srcs: kernelModules,

	}

	kernelModule := ctx.CreateModuleInDirectory(

		kernel.PrebuiltKernelModulesFactory,

			dir,

		".", // create in root directory for now

		props,

	)

	kernelModule.HideFromMake()

	// Add to deps

	(*fsGenState.fsDeps[partitionType])[name] = defaultDepCandidateProps(ctx.Config())

}

}

// Create a build_prop and android_info module. This will be used to create /vendor/build.prop

func (f *filesystemCreator) createVendorBuildProp(ctx android.LoadHookContext) {