targets/pico/target_toolchains.gni

# 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.

import("//build_overrides/pigweed.gni")

# import("//targets/common_backends.gni")

import("$dir_pw_protobuf_compiler/proto.gni")
import("$dir_pw_third_party/nanopb/nanopb.gni")
import("$dir_pw_toolchain/arm_gcc/toolchains.gni")

_target_config = {
  # Use the logging main.
  # pw_unit_test_MAIN = "$dir_pw_unit_test:simple_printing_main"

  # Configuration options for Pigweed executable targets.
  pw_build_EXECUTABLE_TARGET_TYPE = "pico_executable"

  pw_build_EXECUTABLE_TARGET_TYPE_FILE =
      get_path_info("pico_executable.gni", "abspath")

  # Path to the bloaty config file for the output binaries.
  # pw_bloat_BLOATY_CONFIG = "$dir_pw_boot_cortex_m/bloaty_config.bloaty"

  # if (pw_pico_use_test_server) {
  #   _test_runner_script =
  #       "$dir_pico_build/py/pico_build/unit_test_client.py"
  #   pw_unit_test_AUTOMATIC_RUNNER =
  #       get_path_info(_test_runner_script, "abspath")
  # }

  # Facade backends
  pw_assert_BACKEND = dir_pw_assert_basic
  pw_log_BACKEND = dir_pw_log_basic

  # pw_sync_INTERRUPT_SPIN_LOCK_BACKEND =
  #     "$dir_pw_sync_baremetal:interrupt_spin_lock"
  # pw_sync_MUTEX_BACKEND = "$dir_pw_sync_baremetal:mutex"
  pw_sys_io_BACKEND = dir_pw_sys_io_pico

  # pw_rpc_system_server_BACKEND =
  #     "$dir_pigweed/targets/pico:system_rpc_server"
  # pw_pico_build_INIT_BACKEND = "//targets/pico:pre_init"

  pw_build_LINK_DEPS += [
    "$dir_pw_assert:impl",
    "$dir_pw_log:impl",
  ]

  current_cpu = "arm"
  current_os = ""
}

target_toolchain_pico = {
  _excluded_members = [
    "defaults",
    "name",
  ]

  pico_debug = {
    name = "pico_debug"
    _toolchain_base = pw_toolchain_arm_gcc.cortex_m0plus_size_optimized
    forward_variables_from(_toolchain_base, "*", _excluded_members)
    final_binary_extension = ".elf"
    defaults = {
      forward_variables_from(_toolchain_base.defaults, "*")
      forward_variables_from(_target_config, "*")

      # Configure backend for pw_board_led
      pw_board_led_BACKEND = "$dir_pw_board_led_pico"

      # Configure backend for pw_spin_delay
      pw_spin_delay_BACKEND = "$dir_pw_spin_delay_pico"
    }
  }

  # # Toolchain for tests only.
  # pico_debug_tests = {
  #   name = "pico_debug_tests"
  #   _toolchain_base = pw_target_toolchain_pico.debug
  #   forward_variables_from(_toolchain_base, "*", _excluded_members)
  #   defaults = {
  #     forward_variables_from(_toolchain_base.defaults, "*")
  #     forward_variables_from(toolchain_overrides, "*")

  #     # Force tests to use basic log backend to avoid generating and loading its
  #     # own tokenized database.
  #     pw_log_BACKEND = dir_pw_log_basic
  #   }
  # }
}

toolchains_list = [
  target_toolchain_pico.pico_debug,
  # target_toolchain_pico.pico_debug_tests,
]