| # 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("//build_overrides/pigweed_environment.gni") |
| |
| import("$dir_pw_build/defaults.gni") |
| import("$dir_pw_toolchain/rbe.gni") |
| |
| _default_compiler_prefix = "" |
| if (defined(pw_env_setup_CIPD_ARM)) { |
| _default_compiler_prefix = pw_env_setup_CIPD_ARM + "/bin/" |
| } |
| |
| declare_args() { |
| # This flag allows you to specify a prefix for ARM GCC tools use when |
| # compiling with an arm-none-eabi toolchain. This is useful for debugging |
| # toolchain-related issues, or for building with an externally-provided |
| # toolchain. |
| # |
| # Pigweed toolchains should NOT override this variable so projects or users |
| # can control it via `.gn` or by setting it as a regular gn argument (e.g. |
| # `gn gen --args='pw_toolchain_ARM_NONE_EABI_PREFIX=/path/to/my-'`). |
| # |
| # Examples: |
| # pw_toolchain_ARM_NONE_EABI_PREFIX = "" |
| # command: "arm-none-eabi-gcc" (from PATH) |
| # |
| # pw_toolchain_ARM_NONE_EABI_PREFIX = "my-" |
| # command: "my-arm-none-eabi-gcc" (from PATH) |
| # |
| # pw_toolchain_ARM_NONE_EABI_PREFIX = "/bin/my-" |
| # command: "/bin/my-arm-none-eabi-gcc" (absolute path) |
| # |
| # pw_toolchain_ARM_NONE_EABI_PREFIX = "//environment/gcc_next/" |
| # command: "../environment/gcc_next/arm-none-eabi-gcc" (relative path) |
| # |
| # GN templates should use `arm_gcc_toolchain_tools.*` to get the intended |
| # command string rather than relying directly on |
| # pw_toolchain_ARM_NONE_EABI_PREFIX. |
| # |
| # If the prefix begins with "//", it will be rebased to be relative to the |
| # root build directory. |
| pw_toolchain_ARM_NONE_EABI_PREFIX = _default_compiler_prefix |
| } |
| |
| # Specifies the tools used by ARM GCC toolchains. |
| arm_gcc_toolchain_tools = { |
| _rbe_debug_flag = "" |
| _local_tool_name_root = "arm-none-eabi-" |
| |
| _toolchain_prefix = pw_toolchain_ARM_NONE_EABI_PREFIX |
| if (_toolchain_prefix != "") { |
| # If the prefix is a GN-absolute path, rebase it so it's relative to the |
| # root of the build directory. |
| _split_prefix = string_split(_toolchain_prefix, "//") |
| if (_split_prefix[0] == "") { |
| _toolchain_prefix = rebase_path(_toolchain_prefix, root_build_dir) |
| } |
| _local_tool_name_root = _toolchain_prefix + _local_tool_name_root |
| } |
| if (host_os == "win") { |
| _local_tool_name_root = string_replace(_local_tool_name_root, "/", "\\") |
| } |
| |
| if (pw_toolchain_USE_RBE) { |
| if (pw_toolchain_RBE_DEBUG) { |
| _rbe_debug_flag = " -v " |
| } |
| _exec_root = rebase_path("//") |
| _rewrapper_binary = "rewrapper" |
| _pw_rbe_config = pw_rbe_arm_gcc_config |
| _inputs = rebase_path(pw_env_setup_CIPD_ARM, _exec_root) + "/" |
| _rbe_tool_name_root = |
| _rewrapper_binary + |
| " --labels=type=compile,lang=cpp,compiler=clang --cfg=" + |
| _pw_rbe_config + " --exec_root=" + _exec_root + " --inputs=" + _inputs + |
| " -- " + rebase_path(pw_env_setup_CIPD_ARM, root_build_dir) + |
| "/bin/arm-none-eabi-" |
| cc = _rbe_tool_name_root + "gcc" + _rbe_debug_flag |
| cxx = _rbe_tool_name_root + "g++" + _rbe_debug_flag |
| } else { |
| cc = _local_tool_name_root + "gcc" |
| cxx = _local_tool_name_root + "g++" |
| } |
| ar = _local_tool_name_root + "ar" |
| ld = _local_tool_name_root + "g++" |
| |
| link_group = true |
| } |
| |
| # Common configs shared by all ARM GCC toolchains. |
| _arm_gcc = [ |
| "$dir_pw_toolchain/arm_gcc:disable_psabi_warning", |
| "$dir_pw_toolchain/arm_gcc:disable_rwx_segment_warning", |
| ] |
| |
| _cortex_m0plus = [ |
| "$dir_pw_toolchain/arm_gcc:cortex_common", |
| "$dir_pw_toolchain/arm_gcc:cortex_m0plus", |
| "$dir_pw_toolchain/arm_gcc:cortex_software_fpu", |
| ] |
| |
| # Configs specific to different architectures. |
| _cortex_m3 = [ |
| "$dir_pw_toolchain/arm_gcc:cortex_common", |
| "$dir_pw_toolchain/arm_gcc:cortex_m3", |
| "$dir_pw_toolchain/arm_gcc:cortex_software_fpu", |
| ] |
| |
| _cortex_m4 = [ |
| "$dir_pw_toolchain/arm_gcc:cortex_common", |
| "$dir_pw_toolchain/arm_gcc:cortex_m4", |
| "$dir_pw_toolchain/arm_gcc:cortex_software_fpu", |
| ] |
| |
| _cortex_m4f = [ |
| "$dir_pw_toolchain/arm_gcc:cortex_common", |
| "$dir_pw_toolchain/arm_gcc:cortex_m4", |
| "$dir_pw_toolchain/arm_gcc:cortex_hardware_fpu", |
| ] |
| |
| _cortex_m7 = [ |
| "$dir_pw_toolchain/arm_gcc:cortex_common", |
| "$dir_pw_toolchain/arm_gcc:cortex_m7", |
| "$dir_pw_toolchain/arm_gcc:cortex_software_fpu", |
| ] |
| |
| _cortex_m7f = [ |
| "$dir_pw_toolchain/arm_gcc:cortex_common", |
| "$dir_pw_toolchain/arm_gcc:cortex_m7", |
| "$dir_pw_toolchain/arm_gcc:cortex_hardware_fpu_v5", |
| ] |
| |
| _cortex_m33 = [ |
| "$dir_pw_toolchain/arm_gcc:cortex_common", |
| "$dir_pw_toolchain/arm_gcc:cortex_m33", |
| "$dir_pw_toolchain/arm_gcc:cortex_software_fpu", |
| ] |
| |
| _cortex_m33f = [ |
| "$dir_pw_toolchain/arm_gcc:cortex_common", |
| "$dir_pw_toolchain/arm_gcc:cortex_m33", |
| "$dir_pw_toolchain/arm_gcc:cortex_hardware_fpu_v5_sp", |
| ] |
| |
| _cortex_a32 = [ |
| "$dir_pw_toolchain/arm_gcc:cortex_common", |
| "$dir_pw_toolchain/arm_gcc:cortex_a32", |
| ] |
| |
| # Describes ARM GCC toolchains for specific targets. |
| pw_toolchain_arm_gcc = { |
| cortex_m0plus_debug = { |
| name = "arm_gcc_cortex_m0plus_debug" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m0plus + |
| [ "$dir_pw_build:optimize_debugging" ] |
| } |
| } |
| cortex_m0plus_speed_optimized = { |
| name = "arm_gcc_cortex_m0plus_speed_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m0plus + |
| [ "$dir_pw_build:optimize_speed" ] |
| } |
| } |
| cortex_m0plus_size_optimized = { |
| name = "arm_gcc_cortex_m0plus_size_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m0plus + |
| [ "$dir_pw_build:optimize_size" ] |
| } |
| } |
| cortex_m3_debug = { |
| name = "arm_gcc_cortex_m3_debug" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m3 + |
| [ "$dir_pw_build:optimize_debugging" ] |
| } |
| } |
| cortex_m3_speed_optimized = { |
| name = "arm_gcc_cortex_m3_speed_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m3 + |
| [ "$dir_pw_build:optimize_speed" ] |
| } |
| } |
| cortex_m3_size_optimized = { |
| name = "arm_gcc_cortex_m3_size_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m3 + |
| [ "$dir_pw_build:optimize_size" ] |
| } |
| } |
| cortex_m4_debug = { |
| name = "arm_gcc_cortex_m4_debug" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m4 + |
| [ "$dir_pw_build:optimize_debugging" ] |
| } |
| } |
| cortex_m4_speed_optimized = { |
| name = "arm_gcc_cortex_m4_speed_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m4 + |
| [ "$dir_pw_build:optimize_speed" ] |
| } |
| } |
| cortex_m4_size_optimized = { |
| name = "arm_gcc_cortex_m4_size_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m4 + |
| [ "$dir_pw_build:optimize_size" ] |
| } |
| } |
| cortex_m4f_debug = { |
| name = "arm_gcc_cortex_m4f_debug" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m4f + |
| [ "$dir_pw_build:optimize_debugging" ] |
| } |
| } |
| cortex_m4f_speed_optimized = { |
| name = "arm_gcc_cortex_m4f_speed_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m4f + |
| [ "$dir_pw_build:optimize_speed" ] |
| } |
| } |
| cortex_m4f_size_optimized = { |
| name = "arm_gcc_cortex_m4f_size_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m4f + |
| [ "$dir_pw_build:optimize_size" ] |
| } |
| } |
| cortex_m7_debug = { |
| name = "arm_gcc_cortex_m7_debug" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m7 + |
| [ "$dir_pw_build:optimize_debugging" ] |
| } |
| } |
| cortex_m7_speed_optimized = { |
| name = "arm_gcc_cortex_m7_speed_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m7 + |
| [ "$dir_pw_build:optimize_speed" ] |
| } |
| } |
| cortex_m7_size_optimized = { |
| name = "arm_gcc_cortex_m7_size_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m7 + |
| [ "$dir_pw_build:optimize_size" ] |
| } |
| } |
| cortex_m7f_debug = { |
| name = "arm_gcc_cortex_m7f_debug" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m7f + |
| [ "$dir_pw_build:optimize_debugging" ] |
| } |
| } |
| cortex_m7f_speed_optimized = { |
| name = "arm_gcc_cortex_m7f_speed_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m7f + |
| [ "$dir_pw_build:optimize_speed" ] |
| } |
| } |
| cortex_m7f_size_optimized = { |
| name = "arm_gcc_cortex_m7f_size_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m7f + |
| [ "$dir_pw_build:optimize_size" ] |
| } |
| } |
| cortex_m33_debug = { |
| name = "arm_gcc_cortex_m33_debug" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m33 + |
| [ "$dir_pw_build:optimize_debugging" ] |
| } |
| } |
| cortex_m33_speed_optimized = { |
| name = "arm_gcc_cortex_m33_speed_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m33 + |
| [ "$dir_pw_build:optimize_speed" ] |
| } |
| } |
| cortex_m33_size_optimized = { |
| name = "arm_gcc_cortex_m33_size_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m33 + |
| [ "$dir_pw_build:optimize_size" ] |
| } |
| } |
| cortex_m33f_debug = { |
| name = "arm_gcc_cortex_m33f_debug" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m33f + |
| [ "$dir_pw_build:optimize_debugging" ] |
| } |
| } |
| cortex_m33f_speed_optimized = { |
| name = "arm_gcc_cortex_m33f_speed_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m33f + |
| [ "$dir_pw_build:optimize_speed" ] |
| } |
| } |
| cortex_m33f_size_optimized = { |
| name = "arm_gcc_cortex_m33f_size_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_m33f + |
| [ "$dir_pw_build:optimize_size" ] |
| } |
| } |
| |
| cortex_a32_debug = { |
| name = "arm_gcc_cortex_a32_debug" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_a32 + |
| [ "$dir_pw_build:optimize_debugging" ] |
| } |
| } |
| cortex_a32_speed_optimized = { |
| name = "arm_gcc_cortex_a32_speed_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_a32 + |
| [ "$dir_pw_build:optimize_speed" ] |
| } |
| } |
| cortex_a32_size_optimized = { |
| name = "arm_gcc_cortex_a32_size_optimized" |
| forward_variables_from(arm_gcc_toolchain_tools, "*") |
| defaults = { |
| default_configs = pigweed_default_configs + _arm_gcc + _cortex_a32 + |
| [ "$dir_pw_build:optimize_size" ] |
| } |
| } |
| } |
| |
| # This list just contains the members of the above scope for convenience to make |
| # it trivial to generate all the toolchains in this file via a |
| # `generate_toolchains` target. |
| pw_toolchain_arm_gcc_list = [ |
| pw_toolchain_arm_gcc.cortex_m0plus_debug, |
| pw_toolchain_arm_gcc.cortex_m0plus_speed_optimized, |
| pw_toolchain_arm_gcc.cortex_m0plus_size_optimized, |
| pw_toolchain_arm_gcc.cortex_m3_debug, |
| pw_toolchain_arm_gcc.cortex_m3_speed_optimized, |
| pw_toolchain_arm_gcc.cortex_m3_size_optimized, |
| pw_toolchain_arm_gcc.cortex_m4_debug, |
| pw_toolchain_arm_gcc.cortex_m4_speed_optimized, |
| pw_toolchain_arm_gcc.cortex_m4_size_optimized, |
| pw_toolchain_arm_gcc.cortex_m4f_debug, |
| pw_toolchain_arm_gcc.cortex_m4f_speed_optimized, |
| pw_toolchain_arm_gcc.cortex_m4f_size_optimized, |
| pw_toolchain_arm_gcc.cortex_m7_debug, |
| pw_toolchain_arm_gcc.cortex_m7_speed_optimized, |
| pw_toolchain_arm_gcc.cortex_m7_size_optimized, |
| pw_toolchain_arm_gcc.cortex_m7f_debug, |
| pw_toolchain_arm_gcc.cortex_m7f_speed_optimized, |
| pw_toolchain_arm_gcc.cortex_m7f_size_optimized, |
| pw_toolchain_arm_gcc.cortex_m33_debug, |
| pw_toolchain_arm_gcc.cortex_m33_speed_optimized, |
| pw_toolchain_arm_gcc.cortex_m33_size_optimized, |
| pw_toolchain_arm_gcc.cortex_m33f_debug, |
| pw_toolchain_arm_gcc.cortex_m33f_speed_optimized, |
| pw_toolchain_arm_gcc.cortex_m33f_size_optimized, |
| pw_toolchain_arm_gcc.cortex_a32_debug, |
| pw_toolchain_arm_gcc.cortex_a32_speed_optimized, |
| pw_toolchain_arm_gcc.cortex_a32_size_optimized, |
| ] |
| |
| # Configs that require Arm GCC 12 or newer to use. Downstream projects that use |
| # older compilers should remove these from default_configs. |
| pw_toolchain_arm_gcc_12_configs = |
| [ "$dir_pw_toolchain/arm_gcc:disable_rwx_segment_warning" ] |