build/images/paths.gni

# Copyright 2022 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("//build/images/args.gni")
import("//build/product.gni")
import("//zircon/kernel/phys/qemu.gni")

# This centralizes the definition of a bunch of labels and files used in the
# various //build/images/**/BUILD.gn files.

flash_manifest_version = 3

# These are the common assembly-related labels.
labels = {
  if (use_bringup_assembly) {
    images = "//build/images/bringup(${default_toolchain})"
    recovery_images = recovery_label
    assembly_name = "bringup"
  } else {
    assert(use_bazel_images_only,
           "Only bazel-based products and bringup are supported.")
    if (bazel_product_bundle_target != "") {
      # For now only Fuchsia images built by Bazel are useful.
      assembly_name = "fuchsia"

      # When Bazel assembly is enabled, Bazel builds both product and recovery
      # images, and include them in the product bundle.
      images = "${bazel_product_bundle_target}(${default_toolchain})"
      recovery_images = "${bazel_product_bundle_target}(${default_toolchain})"

      product_assembly = "${bazel_product_bundle_target}_product_assembly(${default_toolchain})"

      # Path to the `package_tool_package_manifest_list_create` target defined in
      # `bazel_product_bundle`.
      bazel_package_manifests_list = "${bazel_product_bundle_target}_package_manifests_list(${default_toolchain})"
    } else {
      # These targets cannot be defined when there isn't a bazel_product_bundle_target defined.
    }
  }

  _qemu_deps = qemu_boot_shim.deps
  assert(_qemu_deps == [ _qemu_deps[0] ])
  qemu_kernel = _qemu_deps[0]
  main_pb = main_pb_label
}

# These are the common assembly-related files.
files = {
  if (use_bazel_images_only) {
    if (bazel_product_bundle_target != "") {
      _bazel_target_name = get_label_info(labels.images, "name")
      _images_outdir = get_label_info(labels.images, "target_out_dir") +
                       "/${_bazel_target_name}/product_bundle"
      _assembly_outdir = _images_outdir + "/system_a"
      product_bundle_dir = _images_outdir

      # Bazel has a single package_manifests.list that it produces
      bazel_package_manifests_list =
          get_label_info(labels.images, "target_out_dir") +
          "/${_bazel_target_name}/manifests/package_manifests.list"

      # The assembled_system manifest
      image_assembly_manifest =
          get_label_info(labels.images, "target_out_dir") +
          "/${_bazel_target_name}_product_assembly/image_assembly.json"
    }
  } else {
    _images_outdir = get_label_info(labels.images, "target_out_dir")
    _assembly_outdir = _images_outdir + "/${labels.assembly_name}"
    product_bundle_dir = _images_outdir + "/product_bundle"
  }

  _image_suffix = "zbi"
  if (sign_zbi) {
    _image_suffix = "zbi.signed"
  }

  if (defined(_assembly_outdir)) {
    # The zbi created by assembly
    zbi = "${_assembly_outdir}/${labels.assembly_name}.${_image_suffix}"
  }
}