# 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("@rules_rust//rust:defs.bzl", "rust_library")
load("//pw_build:merge_flags.bzl", "flags_from_dict")
load("//pw_kernel:flags.bzl", "KERNEL_DEVICE_COMMON_FLAGS")
load("//pw_kernel/target/pw_rp2350:defs.bzl", "TARGET_COMPATIBLE_WITH")
load("//pw_kernel/tooling:system_linker_script.bzl", "system_linker_script")

platform(
    name = "pw_rp2350",
    constraint_values = [
        ":target_pw_rp2350",
        "//pw_build/constraints/arm:cortex-m33",
        "@platforms//cpu:armv8-m",
        "@platforms//os:none",
        "//pw_build/constraints/rust:no_std",
    ],
    flags = flags_from_dict(
        KERNEL_DEVICE_COMMON_FLAGS | {
            "//pw_kernel/config:kernel_config": ":config",
            "//pw_kernel/subsys/console:console_backend": ":console",
        },
    ),
    visibility = [":__subpackages__"],
)

constraint_value(
    name = "target_pw_rp2350",
    constraint_setting = "//pw_kernel/target:target",
    visibility = [":__subpackages__"],
)

rust_library(
    name = "entry",
    srcs = ["entry.rs"],
    tags = ["kernel"],
    target_compatible_with = TARGET_COMPATIBLE_WITH,
    visibility = [":__subpackages__"],
    deps = [
        "//pw_kernel/arch/arm_cortex_m:arch_arm_cortex_m",
        "//pw_kernel/kernel",
        "@rust_crates//:cortex-m-rt",
        "@rust_crates//:rp235x-hal",
    ],
)

rust_library(
    name = "console",
    srcs = ["console.rs"],
    crate_name = "console_backend",
    tags = ["kernel"],
    target_compatible_with = TARGET_COMPATIBLE_WITH,
    deps = [
        "//pw_kernel/arch/arm_cortex_m:arch_arm_cortex_m",
        "//pw_kernel/kernel",
        "//pw_kernel/lib/pw_status",
        "@rust_crates//:embedded-io",
        "@rust_crates//:rp235x-hal",
    ],
)

rust_library(
    name = "config",
    srcs = ["config.rs"],
    crate_name = "kernel_config",
    tags = ["kernel"],
    target_compatible_with = TARGET_COMPATIBLE_WITH,
    deps = [
        "//pw_kernel/config:kernel_config_interface",
    ],
)

filegroup(
    name = "linker_script_template",
    srcs = ["system.ld.tmpl"],
    visibility = [":__subpackages__"],
)

system_linker_script(
    name = "linker_script",
    system_config = "//pw_kernel/target:system_config_file",
    tags = ["kernel"],
    template = ":linker_script_template",
    visibility = [":__subpackages__"],
)