1# Copyright 2023 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("$dir_pw_log/backend.gni") 18import("$dir_pw_toolchain/arm_gcc/toolchains.gni") 19 20_target_config = { 21 pw_third_party_ambiq_PRODUCT = "apollo4p" 22 23 # Use the logging main. 24 pw_unit_test_MAIN = "$dir_pw_unit_test:logging_main" 25 26 # Use ARM Cycle Counts 27 pw_perf_test_TIMER_INTERFACE_BACKEND = "$dir_pw_perf_test:arm_cortex_timer" 28 29 # Configuration options for Pigweed executable targets. 30 pw_build_EXECUTABLE_TARGET_TYPE = "apollo4_executable" 31 32 pw_build_EXECUTABLE_TARGET_TYPE_FILE = 33 get_path_info("apollo4_executable.gni", "abspath") 34 35 # Path to the bloaty config file for the output binaries. 36 pw_bloat_BLOATY_CONFIG = "$dir_pw_boot_cortex_m/bloaty_config.bloaty" 37 38 # Configure backend for assert facade. 39 pw_assert_BACKEND = dir_pw_assert_basic 40 41 pw_boot_BACKEND = "$dir_pw_boot_cortex_m" 42 pw_cpu_exception_ENTRY_BACKEND = 43 "$dir_pw_cpu_exception_cortex_m:cpu_exception" 44 pw_cpu_exception_HANDLER_BACKEND = "$dir_pw_cpu_exception:basic_handler" 45 pw_cpu_exception_SUPPORT_BACKEND = "$dir_pw_cpu_exception_cortex_m:support" 46 pw_sync_INTERRUPT_SPIN_LOCK_BACKEND = 47 "$dir_pw_sync_baremetal:interrupt_spin_lock" 48 49 # Configure backends for pw_sync's facades. 50 pw_sync_MUTEX_BACKEND = "$dir_pw_sync_baremetal:mutex" 51 52 # Configure backend for logging facade. 53 pw_log_BACKEND = "$dir_pw_log_basic" 54 55 # Configure backend for pw_sys_io facade. 56 pw_sys_io_BACKEND = "$dir_pw_sys_io_ambiq_sdk" 57 58 # Configure backend for pw_rpc_system_server. 59 pw_rpc_system_server_BACKEND = "$dir_pw_hdlc:hdlc_sys_io_system_server" 60 pw_rpc_CONFIG = "$dir_pw_rpc:disable_global_mutex" 61 62 pw_malloc_BACKEND = "$dir_pw_malloc:bucket_block_allocator" 63 64 pw_boot_cortex_m_LINK_CONFIG_DEFINES = [ 65 "PW_BOOT_VECTOR_TABLE_BEGIN=0x00018000", 66 "PW_BOOT_VECTOR_TABLE_SIZE=512", 67 68 "PW_BOOT_FLASH_BEGIN=0x00018200", 69 "PW_BOOT_FLASH_SIZE=1951K", 70 71 "PW_BOOT_HEAP_SIZE=100K", 72 "PW_BOOT_MIN_STACK_SIZE=1K", 73 74 "PW_BOOT_RAM_BEGIN=0x10000000", 75 "PW_BOOT_RAM_SIZE=1408K", 76 ] 77 78 pw_build_LINK_DEPS = [] # Explicit list overwrite required by GN 79 pw_build_LINK_DEPS = [ 80 "$dir_pw_assert:impl", 81 "$dir_pw_log:impl", 82 "$dir_pw_cpu_exception:entry_impl", 83 "$dir_pw_toolchain/arm_gcc:arm_none_eabi_gcc_support", 84 ] 85 86 current_cpu = "arm" 87 current_os = "" 88} 89 90_toolchain_properties = { 91 final_binary_extension = ".elf" 92} 93 94_target_default_configs = [ 95 "$dir_pw_build:extra_strict_warnings", 96 "$dir_pw_toolchain/arm_gcc:enable_float_printf", 97] 98 99pw_target_toolchain_apollo4 = { 100 _excluded_members = [ 101 "defaults", 102 "name", 103 ] 104 105 debug = { 106 name = "apollo4_debug" 107 _toolchain_base = pw_toolchain_arm_gcc.cortex_m4f_debug 108 forward_variables_from(_toolchain_base, "*", _excluded_members) 109 forward_variables_from(_toolchain_properties, "*") 110 defaults = { 111 forward_variables_from(_toolchain_base.defaults, "*") 112 forward_variables_from(_target_config, "*") 113 default_configs += _target_default_configs 114 } 115 } 116 117 speed_optimized = { 118 name = "apollo4_speed_optimized" 119 _toolchain_base = pw_toolchain_arm_gcc.cortex_m4f_speed_optimized 120 forward_variables_from(_toolchain_base, "*", _excluded_members) 121 forward_variables_from(_toolchain_properties, "*") 122 defaults = { 123 forward_variables_from(_toolchain_base.defaults, "*") 124 forward_variables_from(_target_config, "*") 125 default_configs += _target_default_configs 126 } 127 } 128 129 size_optimized = { 130 name = "apollo4_size_optimized" 131 _toolchain_base = pw_toolchain_arm_gcc.cortex_m4f_size_optimized 132 forward_variables_from(_toolchain_base, "*", _excluded_members) 133 forward_variables_from(_toolchain_properties, "*") 134 defaults = { 135 forward_variables_from(_toolchain_base.defaults, "*") 136 forward_variables_from(_target_config, "*") 137 default_configs += _target_default_configs 138 } 139 } 140} 141 142# This list just contains the members of the above scope for convenience to make 143# it trivial to generate all the toolchains in this file via a 144# `generate_toolchains` target. 145pw_target_toolchain_apollo4_list = [ 146 pw_target_toolchain_apollo4.debug, 147 pw_target_toolchain_apollo4.speed_optimized, 148 pw_target_toolchain_apollo4.size_optimized, 149] 150