build/unification/firmware.gni

# Copyright 2020 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//zircon/prebuilt/config.gni")

# This is the directory populated by //zircon/scripts/download-prebuilt.
# Currently all Zircon firmware blobs are stored there.
firmware_dir = "//zircon/prebuilt/downloads/firmware"

# Declares firmware files to be added to manifests.
#
# Parameters
#
#   sources (required)
#     List of paths to firmware files.
#     These paths must be relative to the directory holding all firmware files.
template("firmware") {
  assert(defined(invoker.sources), "Must add some sources")

  mappings = []
  foreach(source, invoker.sources) {
    name = get_path_info(source, "file")
    mappings += [
      {
        source = rebase_path("$firmware_dir/$source", root_build_dir)
        destination = "lib/firmware/$name"
        label = get_label_info(":$target_name", "label_with_toolchain")
      },
    ]
  }

  group(target_name) {
    metadata = {
      if (have_firmware) {
        # Used by the distribution_manifest template.
        distribution_entries = mappings
      }
    }
  }
}