third_party/pigweed/repo/targets/stm32f429i-disc1/target_toolchains.gni

   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
  15 import("//build_overrides/pigweed.gni")
  16
  17 import("$dir_pw_rpc/system_server/backend.gni")
  18 import("$dir_pw_sys_io/backend.gni")
  19 import("$dir_pw_toolchain/arm_gcc/toolchains.gni")
  20
  21 declare_args() {
  22   # Enable the pw_target_runner for on-device testing.
  23   pw_use_test_server = false
  24 }
  25
  26 _target_config = {
  27   # Use the logging main.
  28   pw_unit_test_MAIN = "$dir_pw_unit_test:logging_main"
  29
  30   # Configuration options for Pigweed executable targets.
  31   pw_build_EXECUTABLE_TARGET_TYPE = "stm32f429i_executable"
  32
  33   pw_build_EXECUTABLE_TARGET_TYPE_FILE =
  34       get_path_info("stm32f429i_executable.gni", "abspath")
  35
  36   # Path to the bloaty config file for the output binaries.
  37   pw_bloat_BLOATY_CONFIG = "$dir_pw_boot_armv7m/bloaty_config.bloaty"
  38
  39   if (pw_use_test_server) {
  40     _test_runner_script = "py/stm32f429i_disc1_utils/unit_test_client.py"
  41     pw_unit_test_AUTOMATIC_RUNNER =
  42         get_path_info(_test_runner_script, "abspath")
  43   }
  44
  45   # Facade backends
  46   pw_assert_BACKEND = dir_pw_assert_basic
  47   pw_boot_BACKEND = dir_pw_boot_armv7m
  48   pw_cpu_exception_ENTRY_BACKEND =
  49       "$dir_pw_cpu_exception_cortex_m:cpu_exception_armv7m"
  50   pw_cpu_exception_HANDLER_BACKEND = "$dir_pw_cpu_exception:basic_handler"
  51   pw_cpu_exception_SUPPORT_BACKEND =
  52       "$dir_pw_cpu_exception_cortex_m:support_armv7m"
  53   pw_sync_SPIN_LOCK_BACKEND = "$dir_pw_sync_baremetal:spin_lock_backend"
  54   pw_log_BACKEND = dir_pw_log_basic
  55   pw_sys_io_BACKEND = dir_pw_sys_io_baremetal_stm32f429
  56   pw_rpc_system_server_BACKEND =
  57       "$dir_pigweed/targets/stm32f429i-disc1:system_rpc_server"
  58   pw_malloc_BACKEND = dir_pw_malloc_freelist
  59
  60   pw_boot_armv7m_LINK_CONFIG_DEFINES = [
  61     "PW_BOOT_FLASH_BEGIN=0x08000200",
  62     "PW_BOOT_FLASH_SIZE=512K",
  63
  64     # TODO(pwbug/219): Currently "pw_tokenizer/detokenize_test" requires at
  65     # least 6K bytes in heap when using pw_malloc_freelist. The heap size
  66     # required for tests should be investigated.
  67     "PW_BOOT_HEAP_SIZE=7K",
  68     "PW_BOOT_MIN_STACK_SIZE=1K",
  69     "PW_BOOT_RAM_BEGIN=0x20000000",
  70     "PW_BOOT_RAM_SIZE=192K",
  71     "PW_BOOT_VECTOR_TABLE_BEGIN=0x08000000",
  72     "PW_BOOT_VECTOR_TABLE_SIZE=512",
  73   ]
  74
  75   current_cpu = "arm"
  76   current_os = ""
  77 }
  78
  79 _toolchain_properties = {
  80   final_binary_extension = ".elf"
  81 }
  82
  83 _target_default_configs = [
  84   "$dir_pw_build:extra_strict_warnings",
  85   "$dir_pw_toolchain/arm_gcc:enable_float_printf",
  86 ]
  87
  88 pw_target_toolchain_stm32f429i_disc1 = {
  89   _excluded_members = [
  90     "defaults",
  91     "name",
  92   ]
  93
  94   debug = {
  95     name = "stm32f429i_disc1_debug"
  96     _toolchain_base = pw_toolchain_arm_gcc.cortex_m4f_debug
  97     forward_variables_from(_toolchain_base, "*", _excluded_members)
  98     forward_variables_from(_toolchain_properties, "*")
  99     defaults = {
 100       forward_variables_from(_toolchain_base.defaults, "*")
 101       forward_variables_from(_target_config, "*")
 102       default_configs += _target_default_configs
 103     }
 104   }
 105
 106   speed_optimized = {
 107     name = "stm32f429i_disc1_speed_optimized"
 108     _toolchain_base = pw_toolchain_arm_gcc.cortex_m4f_speed_optimized
 109     forward_variables_from(_toolchain_base, "*", _excluded_members)
 110     forward_variables_from(_toolchain_properties, "*")
 111     defaults = {
 112       forward_variables_from(_toolchain_base.defaults, "*")
 113       forward_variables_from(_target_config, "*")
 114       default_configs += _target_default_configs
 115     }
 116   }
 117
 118   size_optimized = {
 119     name = "stm32f429i_disc1_size_optimized"
 120     _toolchain_base = pw_toolchain_arm_gcc.cortex_m4f_size_optimized
 121     forward_variables_from(_toolchain_base, "*", _excluded_members)
 122     forward_variables_from(_toolchain_properties, "*")
 123     defaults = {
 124       forward_variables_from(_toolchain_base.defaults, "*")
 125       forward_variables_from(_target_config, "*")
 126       default_configs += _target_default_configs
 127     }
 128   }
 129 }
 130
 131 # This list just contains the members of the above scope for convenience to make
 132 # it trivial to generate all the toolchains in this file via a
 133 # `generate_toolchains` target.
 134 pw_target_toolchain_stm32f429i_disc1_list = [
 135   pw_target_toolchain_stm32f429i_disc1.debug,
 136   pw_target_toolchain_stm32f429i_disc1.speed_optimized,
 137   pw_target_toolchain_stm32f429i_disc1.size_optimized,
 138 ]