1# Copyright 2024 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 15# This is a BUILD.bazel file template for FreeRTOS. 16# 17# TODO(b/326625641): Contribute this to upstream FreeRTOS. 18 19# buildifier: disable=module-docstring 20package(default_visibility = ["//visibility:public"]) 21 22# Label flag that points to the cc_library target providing freertos_config.h. 23label_flag( 24 name = "freertos_config", 25 build_setting_default = ":default_freertos_config", 26) 27 28cc_library( 29 name = "default_freertos_config", 30 # The "default" config is not compatible with any configuration: you can't 31 # build FreeRTOS without choosing a config. 32 target_compatible_with = ["@platforms//:incompatible"], 33) 34 35# Constraint setting used to select the FreeRTOSConfig version. 36constraint_setting( 37 name = "freertos_config_setting", 38) 39 40constraint_setting( 41 name = "port", 42) 43 44# Cortex-M33 with No TrustZone 45constraint_value( 46 name = "port_ARM_CM33_NTZ", 47 constraint_setting = ":port", 48) 49 50constraint_value( 51 name = "port_ARM_CM4F", 52 constraint_setting = ":port", 53) 54 55constraint_value( 56 name = "port_ARM_CM0", 57 constraint_setting = ":port", 58) 59 60constraint_value( 61 name = "port_ARM_CM3", 62 constraint_setting = ":port", 63) 64 65constraint_value( 66 name = "port_ARM_CM7", 67 constraint_setting = ":port", 68) 69 70constraint_value( 71 name = "port_Xtensa", 72 constraint_setting = ":port", 73) 74 75cc_library( 76 name = "freertos", 77 srcs = [ 78 "croutine.c", 79 "event_groups.c", 80 "list.c", 81 "queue.c", 82 "stream_buffer.c", 83 "timers.c", 84 ] + select({ 85 ":port_ARM_CM0": ["portable/GCC/ARM_CM0/port.c"], 86 ":port_ARM_CM3": ["portable/GCC/ARM_CM3/port.c"], 87 ":port_ARM_CM33_NTZ": [ 88 "portable/GCC/ARM_CM33_NTZ/non_secure/port.c", 89 "portable/GCC/ARM_CM33_NTZ/non_secure/portasm.c", 90 ], 91 ":port_ARM_CM4F": ["portable/GCC/ARM_CM4F/port.c"], 92 ":port_ARM_CM7": ["portable/GCC/ARM_CM7/r0p1/port.c"], 93 ":port_Xtensa": [ 94 "portable/ThirdParty/XCC/Xtensa/mpu.S", 95 "portable/ThirdParty/XCC/Xtensa/port.c", 96 "portable/ThirdParty/XCC/Xtensa/portasm.S", 97 "portable/ThirdParty/XCC/Xtensa/portclib.c", 98 "portable/ThirdParty/XCC/Xtensa/portmpu.c", 99 "portable/ThirdParty/XCC/Xtensa/xtensa_context.S", 100 "portable/ThirdParty/XCC/Xtensa/xtensa_coproc_handler.S", 101 "portable/ThirdParty/XCC/Xtensa/xtensa_intr.c", 102 "portable/ThirdParty/XCC/Xtensa/xtensa_intr_asm.S", 103 "portable/ThirdParty/XCC/Xtensa/xtensa_intr_wrapper.c", 104 "portable/ThirdParty/XCC/Xtensa/xtensa_overlay_os_hook.c", 105 "portable/ThirdParty/XCC/Xtensa/xtensa_vectors.S", 106 ], 107 "//conditions:default": [], 108 }), 109 includes = ["include/"], 110 textual_hdrs = [ 111 "include/FreeRTOS.h", 112 "include/StackMacros.h", 113 "include/croutine.h", 114 "include/deprecated_definitions.h", 115 "include/event_groups.h", 116 "include/list.h", 117 "include/message_buffer.h", 118 "include/mpu_wrappers.h", 119 "include/portable.h", 120 "include/projdefs.h", 121 "include/queue.h", 122 "include/semphr.h", 123 "include/stack_macros.h", 124 "include/stream_buffer.h", 125 "include/task.h", 126 "include/timers.h", 127 ], 128 deps = [ 129 ":freertos_config", 130 ":freertos_malloc", 131 ":freertos_port_headers", 132 ":tasks_c", 133 ], 134 # Required because breaking out tasks_c results in the dependencies between 135 # the libraries not being quite correct: to link tasks_c you actually need 136 # a bunch of the source files from here (e.g., list.c). 137 alwayslink = 1, 138) 139 140cc_library( 141 name = "freertos_port_headers", 142 hdrs = select({ 143 ":port_ARM_CM0": ["portable/GCC/ARM_CM0/portmacro.h"], 144 ":port_ARM_CM3": ["portable/GCC/ARM_CM3/portmacro.h"], 145 ":port_ARM_CM33_NTZ": [ 146 "portable/GCC/ARM_CM33_NTZ/non_secure/portasm.h", 147 "portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h", 148 ], 149 ":port_ARM_CM4F": ["portable/GCC/ARM_CM4F/portmacro.h"], 150 ":port_ARM_CM7": ["portable/GCC/ARM_CM7/r0p1/portmacro.h"], 151 ":port_Xtensa": [ 152 "portable/ThirdParty/XCC/Xtensa/portbenchmark.h", 153 "portable/ThirdParty/XCC/Xtensa/portmacro.h", 154 "portable/ThirdParty/XCC/Xtensa/porttrace.h", 155 "portable/ThirdParty/XCC/Xtensa/xtensa_api.h", 156 "portable/ThirdParty/XCC/Xtensa/xtensa_config.h", 157 "portable/ThirdParty/XCC/Xtensa/xtensa_context.h", 158 "portable/ThirdParty/XCC/Xtensa/xtensa_rtos.h", 159 "portable/ThirdParty/XCC/Xtensa/xtensa_timer.h", 160 ], 161 "//conditions:default": [], 162 }), 163 includes = select({ 164 ":port_ARM_CM0": ["portable/GCC/ARM_CM0/"], 165 ":port_ARM_CM3": ["portable/GCC/ARM_CM3/"], 166 ":port_ARM_CM33_NTZ": ["portable/GCC/ARM_CM33_NTZ/non_secure"], 167 ":port_ARM_CM4F": ["portable/GCC/ARM_CM4F/"], 168 ":port_ARM_CM7": ["portable/GCC/ARM_CM7/r0p1/"], 169 ":port_Xtensa": ["portable/ThirdParty/XCC/Xtensa"], 170 "//conditions:default": [], 171 }), 172) 173 174# Headers transitively included by using "FreeRTOS.h" 175cc_library( 176 name = "freertos_headers", 177 hdrs = [ 178 "include/FreeRTOS.h", 179 "include/deprecated_definitions.h", 180 "include/list.h", 181 "include/mpu_wrappers.h", 182 "include/portable.h", 183 "include/projdefs.h", 184 "include/stack_macros.h", 185 "include/task.h", 186 "include/timers.h", 187 ], 188 includes = [ 189 "include/", 190 ], 191 visibility = ["//visibility:private"], 192 deps = [ 193 ":freertos_config", 194 ":freertos_port_headers", 195 ], 196) 197 198# Constraint setting used to determine if task statics should be disabled. 199constraint_setting( 200 name = "disable_tasks_statics_setting", 201 default_constraint_value = ":no_disable_task_statics", 202) 203 204constraint_value( 205 name = "disable_task_statics", 206 constraint_setting = ":disable_tasks_statics_setting", 207) 208 209constraint_value( 210 name = "no_disable_task_statics", 211 constraint_setting = ":disable_tasks_statics_setting", 212) 213 214cc_library( 215 name = "tasks_c", 216 srcs = ["tasks.c"], 217 local_defines = select({ 218 ":disable_task_statics": [ 219 "static=", 220 ], 221 "//conditions:default": [], 222 }), 223 deps = [":freertos_headers"], 224) 225 226# Constraint setting for malloc implementation. 227constraint_setting( 228 name = "malloc", 229 default_constraint_value = ":no_malloc", 230) 231 232constraint_value( 233 name = "no_malloc", 234 constraint_setting = ":malloc", 235) 236 237constraint_value( 238 name = "malloc_heap_1", 239 constraint_setting = ":malloc", 240) 241 242constraint_value( 243 name = "malloc_heap_2", 244 constraint_setting = ":malloc", 245) 246 247constraint_value( 248 name = "malloc_heap_3", 249 constraint_setting = ":malloc", 250) 251 252constraint_value( 253 name = "malloc_heap_4", 254 constraint_setting = ":malloc", 255) 256 257cc_library( 258 name = "freertos_malloc", 259 srcs = select({ 260 ":malloc_heap_1": ["portable/MemMang/heap_1.c"], 261 ":malloc_heap_2": ["portable/MemMang/heap_2.c"], 262 ":malloc_heap_3": ["portable/MemMang/heap_3.c"], 263 ":malloc_heap_4": ["portable/MemMang/heap_4.c"], 264 ":no_malloc": [], 265 }), 266 visibility = ["//visibility:private"], 267 deps = [":freertos_headers"], 268) 269 270# Exported for 271# pw_thread_freertos/py/pw_thread_freertos/generate_freertos_tsktcb.py 272exports_files( 273 ["tasks.c"], 274) 275