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1# Copyright 2020 The Pigweed Authors
2#
3# Licensed under the Apache License, Version 2.0 (the "License"); you may not
4# use this file except in compliance with the License. You may obtain a copy of
5# the License at
6#
7#     https://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12# License for the specific language governing permissions and limitations under
13# the License.
14
15import("//build_overrides/pigweed.gni")
16
17import("$dir_pw_build/linker_script.gni")
18import("$dir_pw_build/target_types.gni")
19import("$dir_pw_docgen/docs.gni")
20
21declare_args() {
22  # TODO(frolv): Move this into pw_boot module when it is created.
23  pw_boot_BACKEND = ""
24
25  # This list should contain the necessary defines for setting pw_boot linker
26  # script memory regions.
27  pw_boot_armv7m_LINK_CONFIG_DEFINES = []
28}
29
30if (pw_boot_BACKEND == dir_pw_boot_armv7m) {
31  config("default_config") {
32    include_dirs = [ "public" ]
33  }
34
35  pw_linker_script("armv7m_linker_script") {
36    # pw_boot_armv7m_LINK_CONFIG_DEFINES is a list of defines provided by the
37    # target.
38    defines = pw_boot_armv7m_LINK_CONFIG_DEFINES
39    linker_script = "basic_armv7m.ld"
40  }
41
42  pw_source_set("pw_boot_armv7m") {
43    public_configs = [ ":default_config" ]
44    public = [ "public/pw_boot_armv7m/boot.h" ]
45    public_deps = [ "$dir_pw_preprocessor" ]
46    deps = [ ":armv7m_linker_script" ]
47    sources = [ "core_init.c" ]
48  }
49}
50
51pw_doc_group("docs") {
52  sources = [ "docs.rst" ]
53}
54