# Copyright 2022 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/pi_pico.gni")
import("//build_overrides/pigweed.gni")

import("$dir_pw_build/target_types.gni")

# TODO(amontanez): This can go away if the GN build can be upstreamed to the
# Pi Pico repo.
_CWD = "${PICO_SRC_DIR}/src/rp2_common/cmsis"

config("public_include_dirs") {
  include_dirs = [
    "${_CWD}/include",
    "${_CWD}/stub/CMSIS/Core/Include",
    "${_CWD}/stub/CMSIS/Device/RaspberryPi/RP2040/Include",
  ]
}

pw_source_set("rename_exceptions") {
  public_configs = [
    ":public_include_dirs",
    "${PICO_ROOT}/gn:disable_warnings",
  ]
  public = [ "include/cmsis/rename_exceptions.h" ]
}

# TODO(amontanez): The CMSIS stub should probably be more configurable to match
# CMake.
pw_source_set("cmsis") {
  public_configs = [
    ":public_include_dirs",
    "${PICO_ROOT}/gn:disable_warnings",
  ]
  public = [
    "${_CWD}/stub/CMSIS/Core/Include/cmsis_armcc.h",
    "${_CWD}/stub/CMSIS/Core/Include/cmsis_armclang.h",
    "${_CWD}/stub/CMSIS/Core/Include/cmsis_armclang_ltm.h",
    "${_CWD}/stub/CMSIS/Core/Include/cmsis_compiler.h",
    "${_CWD}/stub/CMSIS/Core/Include/cmsis_gcc.h",
    "${_CWD}/stub/CMSIS/Core/Include/cmsis_iccarm.h",
    "${_CWD}/stub/CMSIS/Core/Include/cmsis_version.h",
    "${_CWD}/stub/CMSIS/Core/Include/core_cm0plus.h",
    "${_CWD}/stub/CMSIS/Core/Include/mpu_armv7.h",
    "${_CWD}/stub/CMSIS/Device/RaspberryPi/RP2040/Include/RP2040.h",
    "${_CWD}/stub/CMSIS/Device/RaspberryPi/RP2040/Include/system_RP2040.h",
  ]
  deps = [ "${PICO_ROOT}/src/rp2_common/hardware_clocks" ]
  sources =
      [ "${_CWD}/stub/CMSIS/Device/RaspberryPi/RP2040/Source/system_RP2040.c" ]
}