blob: d2210e87adbb49548690eccf18a9dff377e39d8f [file] [log] [blame]
# Copyright 2020 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("$dir_pw_build/error.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")
import("freertos.gni")
# This file defines a GN source_set for an external installation of freertos.
# To use, checkout the freertos source into a directory, then set the build arg
# dir_pw_third_party_freertos to point to that directory. The freertos library
# will be available in GN at "$dir_pw_third_party/freertos".
if (dir_pw_third_party_freertos == "") {
group("freertos") {
}
} else if (pw_third_party_freertos_PORT == "") {
pw_error("freertos") {
message_lines = [
"FreeRTOS is being used by $current_toolchain, but pw_third_party_freertos_PORT is not set.",
"If this toolchain is intentionally using FreeRTOS, ensure your toolchain configuration for this target sets pw_third_party_freertos_PORT.",
]
}
} else if (pw_third_party_freertos_CONFIG == "") {
pw_error("freertos") {
message_lines = [
"FreeRTOS is being used by $current_toolchain, but pw_third_party_freertos_CONFIG is not set.",
"If this toolchain is intentionally using FreeRTOS, ensure your toolchain configuration for this target sets pw_third_party_freertos_CONFIG.",
]
}
} else {
config("disable_warnings") {
cflags = [
"-Wno-unused-parameter",
"-Wno-cast-qual",
"-Wno-int-in-bool-context",
]
visibility = [ ":*" ]
}
config("public_includes") {
include_dirs = [ "$dir_pw_third_party_freertos/include" ]
visibility = [ ":*" ]
}
pw_source_set("freertos") {
public_configs = [ ":public_includes" ]
allow_circular_includes_from = [
pw_third_party_freertos_PORT,
":freertos_tasks",
]
public_deps = [
pw_third_party_freertos_CONFIG,
pw_third_party_freertos_PORT,
]
public = [
"$dir_pw_third_party_freertos/include/FreeRTOS.h",
"$dir_pw_third_party_freertos/include/StackMacros.h",
"$dir_pw_third_party_freertos/include/croutine.h",
"$dir_pw_third_party_freertos/include/deprecated_definitions.h",
"$dir_pw_third_party_freertos/include/event_groups.h",
"$dir_pw_third_party_freertos/include/list.h",
"$dir_pw_third_party_freertos/include/message_buffer.h",
"$dir_pw_third_party_freertos/include/mpu_prototypes.h",
"$dir_pw_third_party_freertos/include/mpu_wrappers.h",
"$dir_pw_third_party_freertos/include/portable.h",
"$dir_pw_third_party_freertos/include/projdefs.h",
"$dir_pw_third_party_freertos/include/queue.h",
"$dir_pw_third_party_freertos/include/semphr.h",
"$dir_pw_third_party_freertos/include/stack_macros.h",
"$dir_pw_third_party_freertos/include/stream_buffer.h",
"$dir_pw_third_party_freertos/include/task.h",
"$dir_pw_third_party_freertos/include/timers.h",
]
configs = [ ":disable_warnings" ]
sources = [
"$dir_pw_third_party_freertos/croutine.c",
"$dir_pw_third_party_freertos/event_groups.c",
"$dir_pw_third_party_freertos/list.c",
"$dir_pw_third_party_freertos/queue.c",
"$dir_pw_third_party_freertos/stream_buffer.c",
"$dir_pw_third_party_freertos/timers.c",
]
deps = [ ":freertos_tasks" ]
}
# In order to link against internal kernel data structures through the use of
# extern "C", statics can be optionally disabled for the tasks.c source file
# to enable use of things like pw_thread_freertos/util.h's ForEachThread.
config("disable_statics") {
cflags = [
"-Dstatic=",
"-DPW_THIRD_PARTY_FREERTOS_NO_STATICS=1",
]
visibility = [ ":*" ]
}
pw_source_set("freertos_tasks") {
public_configs = [ ":public_includes" ]
configs = [ ":disable_warnings" ]
if (pw_third_party_freertos_DISABLE_TASKS_STATICS) {
configs += [ ":disable_statics" ]
}
sources = [ "$dir_pw_third_party_freertos/tasks.c" ]
deps = [
pw_third_party_freertos_CONFIG,
pw_third_party_freertos_PORT,
]
}
# ARM CM7 port of FreeRTOS
config("arm_cm7_includes") {
include_dirs = [ "$dir_pw_third_party_freertos/portable/GCC/ARM_CM7/r0p1" ]
visibility = [ ":arm_cm7" ]
}
pw_source_set("arm_cm7") {
public_configs = [
":arm_cm7_includes",
":public_includes",
]
public_deps = [ pw_third_party_freertos_CONFIG ]
public =
[ "$dir_pw_third_party_freertos/portable/GCC/ARM_CM7/r0p1/portmacro.h" ]
sources =
[ "$dir_pw_third_party_freertos/portable/GCC/ARM_CM7/r0p1/port.c" ]
configs = [ ":disable_warnings" ]
}
# ARM CM4F port of FreeRTOS.
config("arm_cm4f_includes") {
include_dirs = [ "$dir_pw_third_party_freertos/portable/GCC/ARM_CM4F" ]
visibility = [ ":arm_cm4f" ]
}
pw_source_set("arm_cm4f") {
public_configs = [
":arm_cm4f_includes",
":public_includes",
]
public_deps = [ pw_third_party_freertos_CONFIG ]
public =
[ "$dir_pw_third_party_freertos/portable/GCC/ARM_CM4F/portmacro.h" ]
sources = [ "$dir_pw_third_party_freertos/portable/GCC/ARM_CM4F/port.c" ]
configs = [ ":disable_warnings" ]
}
# ARM CM3 port of FreeRTOS.
config("arm_cm3_includes") {
include_dirs = [ "$dir_pw_third_party_freertos/portable/GCC/ARM_CM3" ]
visibility = [ ":arm_cm3" ]
}
pw_source_set("arm_cm3") {
public_configs = [
":arm_cm3_includes",
":public_includes",
]
public_deps = [ pw_third_party_freertos_CONFIG ]
public = [ "$dir_pw_third_party_freertos/portable/GCC/ARM_CM3/portmacro.h" ]
sources = [ "$dir_pw_third_party_freertos/portable/GCC/ARM_CM3/port.c" ]
configs = [ ":disable_warnings" ]
}
}
config("public_include_path") {
include_dirs = [ "public" ]
visibility = [ ":*" ]
}
pw_source_set("config_assert") {
public_configs = [ ":public_include_path" ]
public_deps = [ dir_pw_assert ]
public = [ "public/pw_third_party/freertos/config_assert.h" ]
}
pw_doc_group("docs") {
sources = [ "docs.rst" ]
}