# Copyright 2021 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.

load(
    "//pw_build:pigweed.bzl",
    "pw_facade",
)

package(default_visibility = ["//visibility:public"])

licenses(["notice"])

# TODO: pwbug.dev/328679085 - Remove this alias.
alias(
    name = "facade",
    actual = ":pw_boot.facade",
)

pw_facade(
    name = "pw_boot",
    hdrs = [
        "public/pw_boot/boot.h",
    ],
    backend = ":backend",
    includes = ["public"],
    deps = [
        "//pw_preprocessor",
    ],
)

label_flag(
    name = "backend",
    build_setting_default = ":backend_multiplexer",
)

cc_library(
    name = "backend_multiplexer",
    deps = select({
        "@platforms//cpu:armv7-m": ["//pw_boot_cortex_m"],
        "@platforms//cpu:armv7e-m": ["//pw_boot_cortex_m"],
        "@platforms//cpu:armv8-m": ["//pw_boot_cortex_m"],
        # When building for the host, we don't need a pw_boot implementation.
        "//conditions:default": [],
    }),
)