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 15import("//build_overrides/pigweed.gni") 16 17import("$dir_pw_boot/backend.gni") 18import("$dir_pw_sys_io/backend.gni") 19import("$dir_pw_toolchain/arm_clang/toolchains.gni") 20import("$dir_pw_toolchain/arm_gcc/toolchains.gni") 21 22_test_runner_script = "py/lm3s6965evb_qemu_utils/unit_test_runner.py" 23 24_target_config = { 25 # Use the logging main. 26 pw_unit_test_MAIN = "$dir_pw_unit_test:logging_main" 27 28 # Configuration options for Pigweed executable targets. 29 pw_build_EXECUTABLE_TARGET_TYPE = "lm3s6965evb_executable" 30 31 pw_build_EXECUTABLE_TARGET_TYPE_FILE = 32 get_path_info("lm3s6965evb_executable.gni", "abspath") 33 34 # Path to the bloaty config file for the output binaries. 35 pw_bloat_BLOATY_CONFIG = "$dir_pw_boot_cortex_m/bloaty_config.bloaty" 36 37 pw_unit_test_AUTOMATIC_RUNNER = get_path_info(_test_runner_script, "abspath") 38 39 # Facade backends 40 pw_assert_BACKEND = dir_pw_assert_basic 41 pw_boot_BACKEND = "$dir_pw_boot_cortex_m" 42 pw_log_BACKEND = dir_pw_log_basic 43 pw_sys_io_BACKEND = dir_pw_sys_io_baremetal_lm3s6965evb 44 pw_rpc_system_server_BACKEND = "$dir_pw_hdlc:hdlc_sys_io_system_server" 45 pw_sync_INTERRUPT_SPIN_LOCK_BACKEND = 46 "$dir_pw_sync_baremetal:interrupt_spin_lock" 47 pw_sync_MUTEX_BACKEND = "$dir_pw_sync_baremetal:mutex" 48 pw_rpc_CONFIG = "$dir_pw_rpc:disable_global_mutex" 49 50 # pw_cpu_exception_armv7m tests do not work as expected in QEMU. It does not 51 # appear the divide-by-zero traps as expected when enabled, which prevents the 52 # module from triggering a recoverable exception. Since pw_cpu_exception is 53 # not fully set up on this target, disable it for now. 54 # pw_cpu_exception_ENTRY_BACKEND = 55 # "$dir_pw_cpu_exception_cortex_m:cpu_exception_armv7m 56 57 pw_boot_cortex_m_LINK_CONFIG_DEFINES = [ 58 "PW_BOOT_FLASH_BEGIN=0x00000200", 59 "PW_BOOT_FLASH_SIZE=255K", 60 "PW_BOOT_HEAP_SIZE=0", 61 "PW_BOOT_MIN_STACK_SIZE=1K", 62 "PW_BOOT_RAM_BEGIN=0x20000000", 63 "PW_BOOT_RAM_SIZE=64K", 64 "PW_BOOT_VECTOR_TABLE_BEGIN=0x00000000", 65 "PW_BOOT_VECTOR_TABLE_SIZE=512", 66 ] 67 68 pw_build_LINK_DEPS = [ 69 "$dir_pw_assert:impl", 70 "$dir_pw_log:impl", 71 ] 72 73 pw_rust_USE_STD = false 74 75 current_cpu = "arm" 76 current_os = "" 77} 78 79_gcc_target_default_configs = [ 80 "$dir_pw_build:extra_strict_warnings", 81 "$dir_pw_toolchain/arm_gcc:enable_float_printf", 82] 83 84_clang_target_default_configs = [ 85 "$dir_pw_build:clang_thread_safety_warnings", 86 "$dir_pw_build:extra_strict_warnings", 87 "$dir_pw_toolchain/arm_clang:enable_float_printf", 88 89 # TODO: b/232587313 - Disable lock annotations for this target because the 90 # clang toolchain currently relies on the standard library headers provided by 91 # arm-none-eabi-gcc, and thus do not have thread safety lock annotations on 92 # things like std::lock_guard. Thread safety checks will not work until 93 # the clang-based ARM toolchain uses a C++ standard library that has these 94 # annotations set up. 95 "$dir_pigweed/targets/lm3s6965evb_qemu:disable_lock_annotations", 96] 97 98pw_target_toolchain_lm3s6965evb_qemu = { 99 _excluded_members = [ 100 "defaults", 101 "name", 102 ] 103 104 debug = { 105 name = "lm3s6965evb_qemu_gcc_debug" 106 _toolchain_base = pw_toolchain_arm_gcc.cortex_m3_debug 107 forward_variables_from(_toolchain_base, "*", _excluded_members) 108 defaults = { 109 forward_variables_from(_toolchain_base.defaults, "*") 110 forward_variables_from(_target_config, "*") 111 default_configs += _gcc_target_default_configs 112 } 113 } 114 115 speed_optimized = { 116 name = "lm3s6965evb_qemu_gcc_speed_optimized" 117 _toolchain_base = pw_toolchain_arm_gcc.cortex_m3_speed_optimized 118 forward_variables_from(_toolchain_base, "*", _excluded_members) 119 defaults = { 120 forward_variables_from(_toolchain_base.defaults, "*") 121 forward_variables_from(_target_config, "*") 122 default_configs += _gcc_target_default_configs 123 } 124 } 125 126 size_optimized = { 127 name = "lm3s6965evb_qemu_gcc_size_optimized" 128 _toolchain_base = pw_toolchain_arm_gcc.cortex_m3_size_optimized 129 forward_variables_from(_toolchain_base, "*", _excluded_members) 130 defaults = { 131 forward_variables_from(_toolchain_base.defaults, "*") 132 forward_variables_from(_target_config, "*") 133 default_configs += _gcc_target_default_configs 134 } 135 } 136 137 debug_clang = { 138 name = "lm3s6965evb_qemu_clang_debug" 139 _toolchain_base = pw_toolchain_arm_clang.cortex_m3_debug 140 forward_variables_from(_toolchain_base, "*", _excluded_members) 141 defaults = { 142 forward_variables_from(_toolchain_base.defaults, "*") 143 forward_variables_from(_target_config, "*") 144 default_configs += _clang_target_default_configs 145 } 146 } 147 148 speed_optimized_clang = { 149 name = "lm3s6965evb_qemu_clang_speed_optimized" 150 _toolchain_base = pw_toolchain_arm_clang.cortex_m3_speed_optimized 151 forward_variables_from(_toolchain_base, "*", _excluded_members) 152 defaults = { 153 forward_variables_from(_toolchain_base.defaults, "*") 154 forward_variables_from(_target_config, "*") 155 default_configs += _clang_target_default_configs 156 } 157 } 158 159 size_optimized_clang = { 160 name = "lm3s6965evb_qemu_clang_size_optimized" 161 _toolchain_base = pw_toolchain_arm_clang.cortex_m3_size_optimized 162 forward_variables_from(_toolchain_base, "*", _excluded_members) 163 defaults = { 164 forward_variables_from(_toolchain_base.defaults, "*") 165 forward_variables_from(_target_config, "*") 166 default_configs += _clang_target_default_configs 167 } 168 } 169} 170 171# This list just contains the members of the above scope for convenience to make 172# it trivial to generate all the toolchains in this file via a 173# `generate_toolchains` target. 174pw_target_toolchain_lm3s6965evb_qemu_list = [ 175 pw_target_toolchain_lm3s6965evb_qemu.debug, 176 pw_target_toolchain_lm3s6965evb_qemu.speed_optimized, 177 pw_target_toolchain_lm3s6965evb_qemu.size_optimized, 178 pw_target_toolchain_lm3s6965evb_qemu.debug_clang, 179 pw_target_toolchain_lm3s6965evb_qemu.speed_optimized_clang, 180 pw_target_toolchain_lm3s6965evb_qemu.size_optimized_clang, 181] 182