pw_build/platforms/BUILD.bazel

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

# --- OS's ---
platform(
    name = "freertos",
    constraint_values = [
        "//pw_build/constraints/rtos:freertos",
        "@platforms//os:none",
    ],
)

platform(
    name = "embos",
    constraint_values = [
        "//pw_build/constraints/rtos:embos",
        "@platforms//os:none",
    ],
)

platform(
    name = "threadx",
    constraint_values = [
        "//pw_build/constraints/rtos:threadx",
        "@platforms//os:none",
    ],
)

platform(
    name = "none",
    constraint_values = ["@platforms//os:none"],
)

# --- CPU's ---
platform(
    name = "cortex_m0",
    constraint_values = ["@pigweed_config//:target_rtos"],
    parents = ["@bazel_embedded//platforms:cortex_m0"],
)

platform(
    name = "cortex_m1",
    constraint_values = ["@pigweed_config//:target_rtos"],
    parents = ["@bazel_embedded//platforms:cortex_m1"],
)

platform(
    name = "cortex_m3",
    constraint_values = ["@pigweed_config//:target_rtos"],
    parents = ["@bazel_embedded//platforms:cortex_m3"],
)

platform(
    name = "cortex_m4",
    constraint_values = ["@pigweed_config//:target_rtos"],
    parents = ["@bazel_embedded//platforms:cortex_m4"],
)

platform(
    name = "cortex_m4_fpu",
    constraint_values = ["@pigweed_config//:target_rtos"],
    parents = ["@bazel_embedded//platforms:cortex_m4_fpu"],
)

platform(
    name = "cortex_m7",
    constraint_values = ["@pigweed_config//:target_rtos"],
    parents = ["@bazel_embedded//platforms:cortex_m7"],
)

platform(
    name = "cortex_m7_fpu",
    constraint_values = ["@pigweed_config//:target_rtos"],
    parents = ["@bazel_embedded//platforms:cortex_m7_fpu"],
)

# --- Chipsets ---
platform(
    name = "stm32f429",
    constraint_values = ["//pw_build/constraints/chipset:stm32f429"],
    parents = [":cortex_m4"],
)

platform(
    name = "lm3s6965evb",
    constraint_values = [
        "//pw_build/constraints/chipset:lm3s6965evb",
        "@rust_crates//:no_std",
        "//pw_sys_io_baremetal_lm3s6965evb:backend",
    ],
    parents = [":cortex_m3"],
)

platform(
    name = "nrf52833",
    constraint_values = ["//pw_build/constraints/chipset:nrf52833"],
    parents = [":cortex_m0"],
)

# --- Boards ---
platform(
    name = "stm32f429i-disc1",
    constraint_values = ["//pw_build/constraints/board:stm32f429i-disc1"],
    parents = [":stm32f429"],
)

# Primarily a QEMU supported m0 target for rust development, based on the
# nRF51822.
platform(
    name = "microbit",
    constraint_values = [
        "//pw_build/constraints/board:microbit",
        "@rust_crates//:no_std",
        # We have no pw_sys_io backend for this platform.
    ],
    parents = [":nrf52833"],
)

# --- Test platforms ---

# This is a platform for compilation testing of freertos backends. This is not
# a complete specification of any real target platform.
platform(
    name = "testonly_freertos",
    constraint_values = [
        # Use FreeRTOS backends.
        "//pw_build/constraints/rtos:freertos",
        # Use the FreeRTOS config file for stm32f429i_disc1_stm32cube.
        "//targets/stm32f429i_disc1_stm32cube:freertos_config_cv",
        # Use the ARM_CM4F port of FreeRTOS.
        "@freertos//:port_ARM_CM4F",
        # Use the baremetal pw_sys_io backend (because the default
        # pw_sys_io_stdio backend is not compatible with FreeRTOS).
        "//pw_sys_io_baremetal_stm32f429:backend",
        # os:none means, we're not building for any host platform (Windows,
        # Linux, or Mac). The pw_sys_io_baremetal_stm32f429 backend is only
        # compatible with os:none.
        "@platforms//os:none",
    ],
    # Inherit from cortex_m4_fpu to use the appropriate Arm toolchain.
    parents = [":cortex_m4_fpu"],
)