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