1# Copyright 2021 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("$dir_pw_build/error.gni") 18import("$dir_pw_build/module_config.gni") 19import("$dir_pw_build/target_types.gni") 20import("$dir_pw_chrono/backend.gni") 21import("$dir_pw_docgen/docs.gni") 22import("$dir_pw_thread/backend.gni") 23import("$dir_pw_unit_test/test.gni") 24 25declare_args() { 26 # The build target that overrides the default configuration options for this 27 # module. This should point to a source set that provides defines through a 28 # public config (which may -include a file or add defines directly). 29 pw_thread_embos_CONFIG = pw_build_DEFAULT_MODULE_CONFIG 30} 31 32config("public_include_path") { 33 include_dirs = [ "public" ] 34 visibility = [ ":*" ] 35} 36 37config("backend_config") { 38 include_dirs = [ "public_overrides" ] 39 visibility = [ ":*" ] 40} 41 42pw_source_set("config") { 43 public = [ "public/pw_thread_embos/config.h" ] 44 public_configs = [ ":public_include_path" ] 45 public_deps = [ 46 "$dir_pw_third_party/embos", 47 pw_thread_embos_CONFIG, 48 ] 49} 50 51# This target provides the backend for pw::thread::Id. 52pw_source_set("id") { 53 public_configs = [ 54 ":public_include_path", 55 ":backend_config", 56 ] 57 public_deps = [ 58 "$dir_pw_assert", 59 "$dir_pw_interrupt:context", 60 "$dir_pw_third_party/embos", 61 ] 62 public = [ 63 "public/pw_thread_embos/id_inline.h", 64 "public/pw_thread_embos/id_native.h", 65 "public_overrides/pw_thread_backend/id_inline.h", 66 "public_overrides/pw_thread_backend/id_native.h", 67 ] 68 deps = [ "$dir_pw_thread:id.facade" ] 69} 70 71pw_build_assert("check_system_clock_backend") { 72 condition = 73 pw_thread_OVERRIDE_SYSTEM_CLOCK_BACKEND_CHECK || 74 pw_chrono_SYSTEM_CLOCK_BACKEND == "$dir_pw_chrono_embos:system_clock" 75 message = "The embOS pw::thread::sleep_{for,until} backend only works with " + 76 "the embOS pw::chrono::SystemClock backend." 77 visibility = [ ":*" ] 78} 79 80if (pw_chrono_SYSTEM_CLOCK_BACKEND != "" && pw_thread_SLEEP_BACKEND != "") { 81 # This target provides the backend for pw::thread::sleep_{for,until}. 82 pw_source_set("sleep") { 83 public_configs = [ 84 ":public_include_path", 85 ":backend_config", 86 ] 87 public = [ 88 "public/pw_thread_embos/sleep_inline.h", 89 "public_overrides/pw_thread_backend/sleep_inline.h", 90 ] 91 public_deps = [ "$dir_pw_chrono:system_clock" ] 92 sources = [ "sleep.cc" ] 93 deps = [ 94 ":check_system_clock_backend", 95 "$dir_pw_assert", 96 "$dir_pw_chrono_embos:system_clock", 97 "$dir_pw_third_party/embos", 98 "$dir_pw_thread:id", 99 "$dir_pw_thread:sleep.facade", 100 ] 101 } 102} 103 104# This target provides the backend for pw::thread::Thread and the headers needed 105# for thread creation. 106pw_source_set("thread") { 107 public_configs = [ 108 ":public_include_path", 109 ":backend_config", 110 ] 111 public_deps = [ 112 ":config", 113 "$dir_pw_assert", 114 "$dir_pw_string", 115 "$dir_pw_third_party/embos", 116 "$dir_pw_thread:id", 117 "$dir_pw_thread:thread.facade", 118 ] 119 public = [ 120 "public/pw_thread_embos/context.h", 121 "public/pw_thread_embos/options.h", 122 "public/pw_thread_embos/thread_inline.h", 123 "public/pw_thread_embos/thread_native.h", 124 "public_overrides/pw_thread_backend/thread_inline.h", 125 "public_overrides/pw_thread_backend/thread_native.h", 126 ] 127 allow_circular_includes_from = [ "$dir_pw_thread:thread.facade" ] 128 sources = [ "thread.cc" ] 129} 130 131# This target provides the backend for pw::thread::yield. 132pw_source_set("yield") { 133 public_configs = [ 134 ":public_include_path", 135 ":backend_config", 136 ] 137 public = [ 138 "public/pw_thread_embos/yield_inline.h", 139 "public_overrides/pw_thread_backend/yield_inline.h", 140 ] 141 public_deps = [ 142 "$dir_pw_assert", 143 "$dir_pw_third_party/embos", 144 "$dir_pw_thread:id", 145 ] 146 deps = [ "$dir_pw_thread:yield.facade" ] 147} 148 149pw_source_set("util") { 150 public_configs = [ ":public_include_path" ] 151 public_deps = [ 152 "$dir_pw_third_party/embos", 153 dir_pw_function, 154 dir_pw_status, 155 ] 156 public = [ "public/pw_thread_embos/util.h" ] 157 sources = [ "util.cc" ] 158} 159 160pw_source_set("snapshot") { 161 public_configs = [ ":public_include_path" ] 162 public_deps = [ 163 ":config", 164 "$dir_pw_third_party/embos", 165 "$dir_pw_thread:protos.pwpb", 166 "$dir_pw_thread:snapshot", 167 dir_pw_bytes, 168 dir_pw_function, 169 dir_pw_log, 170 dir_pw_protobuf, 171 dir_pw_status, 172 ] 173 public = [ "public/pw_thread_embos/snapshot.h" ] 174 sources = [ "snapshot.cc" ] 175 deps = [ ":util" ] 176} 177 178pw_test_group("tests") { 179 tests = [ ":thread_backend_test" ] 180} 181 182pw_source_set("test_threads") { 183 public_deps = [ "$dir_pw_thread:test_threads" ] 184 sources = [ "test_threads.cc" ] 185 deps = [ 186 "$dir_pw_chrono:system_clock", 187 "$dir_pw_thread:sleep", 188 "$dir_pw_thread:thread", 189 dir_pw_assert, 190 dir_pw_log, 191 ] 192} 193 194pw_test("thread_backend_test") { 195 enable_if = pw_thread_THREAD_BACKEND == "$dir_pw_thread_embos:thread" 196 deps = [ 197 ":test_threads", 198 "$dir_pw_thread:thread_facade_test", 199 ] 200} 201 202pw_doc_group("docs") { 203 sources = [ "docs.rst" ] 204} 205