# Copyright 2025 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("@pigweed//pw_build:compatibility.bzl", "incompatible_with_mcu")
load("@rules_rust//rust:defs.bzl", "rust_doc_test", "rust_library")

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

config_setting(
    name = "riscv32_without_atomics",
    constraint_values = [
        "//pw_build/constraints/riscv/extensions:A.not",
        "@platforms//cpu:riscv32",
    ],
)

rust_library(
    name = "pw_atomic",
    srcs = [
        "pw_atomic.rs",
    ],
    crate_features =
        select({
            "riscv32_without_atomics": [],
            "//conditions:default": ["builtin_impls"],
        }),
    tags = ["kernel"],
)

rust_doc_test(
    name = "pw_atomic_doc_test",
    crate = ":pw_atomic",
    tags = [
        "kernel",
        "kernel_doc_test",
    ],
    target_compatible_with = incompatible_with_mcu(),
)