third_party/pico_sdk/src/rp2_common/pico_standard_link/BUILD.gn

# 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/pico_standard_link"

# TODO(amontanez): Not all linker script configurations are supported yet.

config("linker_script") {
  _linker_script_path = rebase_path("${_CWD}/memmap_default.ld", root_build_dir)
  ldflags = [ "-T${_linker_script_path}" ]
}

pw_source_set("pico_standard_link") {
  remove_configs = [ "$dir_pw_build:strict_warnings" ]
  all_dependent_configs = [ ":linker_script" ]
  inputs = [ "${_CWD}/memmap_default.ld" ]
  deps = [
    "${PICO_ROOT}/src/common/pico_base",
    "${PICO_ROOT}/src/common/pico_binary_info",
    "${PICO_ROOT}/src/rp2040/hardware_regs",
    "${PICO_ROOT}/src/rp2_common/boot_stage2",
  ]
  sources = [
    "${_CWD}/binary_info.c",
    "${_CWD}/crt0.S",
    "${_CWD}/new_delete.cpp",
  ]
}