Anton Komlev | c88e2ac | 2024-09-12 16:46:39 +0100 | [diff] [blame] | 1 | #------------------------------------------------------------------------------- |
| 2 | # SPDX-License-Identifier: BSD-3-Clause |
| 3 | # SPDX-FileCopyrightText: Copyright The TrustedFirmware-M Contributors |
| 4 | #------------------------------------------------------------------------------- |
| 5 | |
| 6 | set(CMAKE_SYSTEM_NAME Generic) |
| 7 | |
| 8 | # Specify the cross compiler |
| 9 | set(CMAKE_C_COMPILER clang) |
| 10 | set(CMAKE_C_COMPILER_TARGET ${CROSS_COMPILE}) |
| 11 | |
| 12 | set(CMAKE_ASM_COMPILER clang) |
| 13 | set(CMAKE_ASM_COMPILER_TARGET ${CROSS_COMPILE}) |
| 14 | |
| 15 | set(LINKER_VENEER_OUTPUT_FLAG -Wl,--cmse-implib,--out-implib=) |
| 16 | set(COMPILER_CMSE_FLAG -mcmse -mfix-cmse-cve-2021-35465) |
| 17 | |
| 18 | set(CMAKE_USER_MAKE_RULES_OVERRIDE ${CMAKE_CURRENT_LIST_DIR}/cmake/set_extensions.cmake) |
| 19 | |
| 20 | # CMAKE_C_COMPILER_VERSION is not guaranteed to be defined. |
| 21 | EXECUTE_PROCESS( COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE LLVM_VERSION ) |
| 22 | if (LLVM_VERSION VERSION_LESS 18.1.3) |
| 23 | message(FATAL_ERROR "Please use newer LLVM compiler version starting from 18.1.3") |
| 24 | endif() |
| 25 | |
| 26 | # ===================== Set toolchain CPU and Arch ============================= |
| 27 | # -mcpu gives better optimisation than -march so -mcpu shall be in preference |
| 28 | |
| 29 | if (TFM_SYSTEM_PROCESSOR) |
| 30 | if(TFM_SYSTEM_DSP) |
| 31 | string(APPEND TFM_SYSTEM_PROCESSOR "+dsp") |
| 32 | else() |
| 33 | string(APPEND TFM_SYSTEM_PROCESSOR "+nodsp") |
| 34 | endif() |
| 35 | if(CONFIG_TFM_ENABLE_FP) |
| 36 | string(APPEND TFM_SYSTEM_PROCESSOR "+fp") |
| 37 | else() |
| 38 | string(APPEND TFM_SYSTEM_PROCESSOR "+nofp") |
| 39 | endif() |
| 40 | |
| 41 | set(CMAKE_C_FLAGS "-mcpu=${TFM_SYSTEM_PROCESSOR}") |
| 42 | set(CMAKE_ASM_FLAGS "-mcpu=${TFM_SYSTEM_PROCESSOR}") |
| 43 | else() |
| 44 | if(CONFIG_TFM_ENABLE_FP) |
| 45 | string(APPEND TFM_SYSTEM_ARCHITECTURE "+fp") |
| 46 | endif() |
| 47 | if(NOT TFM_SYSTEM_DSP) |
| 48 | string(APPEND TFM_SYSTEM_ARCHITECTURE "+nodsp") |
| 49 | endif() |
| 50 | set(CMAKE_C_FLAGS "-march=${TFM_SYSTEM_ARCHITECTURE}") |
| 51 | set(CMAKE_CXX_FLAGS "-march=${TFM_SYSTEM_ARCHITECTURE}") |
| 52 | set(CMAKE_ASM_FLAGS "-march=${TFM_SYSTEM_ARCHITECTURE}") |
| 53 | set(CMAKE_ASM_CPU_FLAG ${TFM_SYSTEM_ARCHITECTURE}) |
| 54 | endif() |
| 55 | |
| 56 | if (CONFIG_TFM_FLOAT_ABI STREQUAL "hard") |
| 57 | set(COMPILER_CP_FLAG -mfloat-abi=hard) |
| 58 | set(LINKER_CP_OPTION -mfloat-abi=hard) |
| 59 | if (CONFIG_TFM_ENABLE_FP OR CONFIG_TFM_ENABLE_MVE_FP) |
| 60 | set(COMPILER_CP_FLAG -mfloat-abi=hard -mfpu=${CONFIG_TFM_FP_ARCH}) |
| 61 | set(LINKER_CP_OPTION -mfloat-abi=hard -mfpu=${CONFIG_TFM_FP_ARCH}) |
| 62 | endif() |
| 63 | else() |
| 64 | set(COMPILER_CP_FLAG -mfloat-abi=soft) |
| 65 | set(LINKER_CP_OPTION -mfloat-abi=soft) |
| 66 | endif() |
| 67 | |
| 68 | set(BL1_COMPILER_CP_FLAG -mfloat-abi=soft) |
Anton Komlev | abed032 | 2024-12-27 13:58:38 +0000 | [diff] [blame] | 69 | set(BL1_LINKER_CP_OPTION -mfloat-abi=soft -lcrt0 -ldummyhost) |
Anton Komlev | c88e2ac | 2024-09-12 16:46:39 +0100 | [diff] [blame] | 70 | |
| 71 | set(BL2_COMPILER_CP_FLAG -mfloat-abi=soft) |
Anton Komlev | abed032 | 2024-12-27 13:58:38 +0000 | [diff] [blame] | 72 | set(BL2_LINKER_CP_OPTION -mfloat-abi=soft -lcrt0 -ldummyhost) |
Anton Komlev | c88e2ac | 2024-09-12 16:46:39 +0100 | [diff] [blame] | 73 | |
Jackson Cooper-Driver | 9f7ab5b | 2025-03-31 14:27:53 +0100 | [diff] [blame] | 74 | file(REAL_PATH "${CMAKE_SOURCE_DIR}/../" TOP_LEVEL_PROJECT_DIR) |
| 75 | |
Anton Komlev | c88e2ac | 2024-09-12 16:46:39 +0100 | [diff] [blame] | 76 | add_compile_options( |
| 77 | -Wno-ignored-optimization-argument |
| 78 | -Wno-unused-command-line-argument |
| 79 | -Wall |
| 80 | -Wno-error=cpp |
| 81 | -c |
| 82 | -fdata-sections |
| 83 | -ffunction-sections |
| 84 | -fno-builtin |
| 85 | -fshort-enums |
| 86 | -fshort-wchar |
| 87 | -funsigned-char |
Jackson Cooper-Driver | 9f7ab5b | 2025-03-31 14:27:53 +0100 | [diff] [blame] | 88 | # Strip /workspace/ |
| 89 | -fmacro-prefix-map=${TOP_LEVEL_PROJECT_DIR}/= |
| 90 | # Strip /workspace/trusted-firmware-m |
Jackson Cooper-Driver | 070a6e4 | 2025-03-18 17:03:56 +0000 | [diff] [blame] | 91 | -fmacro-prefix-map=${CMAKE_SOURCE_DIR}/= |
Anton Komlev | c88e2ac | 2024-09-12 16:46:39 +0100 | [diff] [blame] | 92 | -std=c99 |
| 93 | ) |
| 94 | |
| 95 | # Pointer Authentication Code and Branch Target Identification (PACBTI) Options |
| 96 | # Not currently supported for LLVM. |
| 97 | if(NOT ${CONFIG_TFM_BRANCH_PROTECTION_FEAT} STREQUAL BRANCH_PROTECTION_DISABLED) |
| 98 | message(FATAL_ERROR "BRANCH_PROTECTION NOT supported for LLVM") |
| 99 | endif() |
| 100 | |
| 101 | add_link_options( |
| 102 | -lclang_rt.builtins # needed for __aeabi_memclr4(), __aeabi_memclr8(), __aeabi_memcpy4() |
| 103 | LINKER:-check-sections |
| 104 | LINKER:-fatal-warnings |
| 105 | LINKER:--gc-sections |
| 106 | ) |
| 107 | |
| 108 | if(NOT CONFIG_TFM_MEMORY_USAGE_QUIET) |
| 109 | add_link_options(LINKER:--print-memory-usage) |
| 110 | endif() |
| 111 | |
| 112 | # Macro for adding scatter files. Supports multiple files |
| 113 | macro(target_add_scatter_file target) |
| 114 | target_link_options(${target} PRIVATE -T $<TARGET_OBJECTS:${target}_scatter>) |
| 115 | |
| 116 | add_library(${target}_scatter OBJECT) |
| 117 | foreach(scatter_file ${ARGN}) |
| 118 | target_sources(${target}_scatter |
| 119 | PRIVATE |
| 120 | ${scatter_file} |
| 121 | ) |
| 122 | # Cmake cannot use generator expressions in the |
| 123 | # set_source_file_properties command, so instead we just parse the regex |
| 124 | # for the filename and set the property on all files, regardless of if |
| 125 | # the generator expression would evaluate to true or not. |
| 126 | string(REGEX REPLACE ".*>:(.*)>$" "\\1" SCATTER_FILE_PATH "${scatter_file}") |
| 127 | set_source_files_properties(${SCATTER_FILE_PATH} |
| 128 | PROPERTIES |
| 129 | LANGUAGE C |
| 130 | KEEP_EXTENSION True # Don't use .o extension for the preprocessed file |
| 131 | ) |
| 132 | endforeach() |
| 133 | |
| 134 | add_dependencies(${target} ${target}_scatter) |
| 135 | |
| 136 | set_property(TARGET ${target} APPEND PROPERTY LINK_DEPENDS $<TARGET_OBJECTS:${target}_scatter>) |
| 137 | |
| 138 | target_link_libraries(${target}_scatter |
| 139 | platform_region_defs |
| 140 | psa_interface |
| 141 | tfm_config |
| 142 | ) |
| 143 | |
| 144 | target_compile_options(${target}_scatter PRIVATE -E -P -xc) |
| 145 | endmacro() |
| 146 | |
| 147 | # Macro for converting the output *.axf file to finary files: bin, elf, hex |
| 148 | macro(add_convert_to_bin_target target) |
| 149 | get_target_property(bin_dir ${target} RUNTIME_OUTPUT_DIRECTORY) |
| 150 | add_custom_target(${target}_bin |
| 151 | ALL DEPENDS ${target} |
| 152 | COMMAND ${CMAKE_OBJCOPY} -O binary $<TARGET_FILE:${target}> ${bin_dir}/${target}.bin |
| 153 | COMMAND ${CMAKE_OBJCOPY} -O elf32-littlearm $<TARGET_FILE:${target}> ${bin_dir}/${target}.elf |
| 154 | COMMAND ${CMAKE_OBJCOPY} -O ihex $<TARGET_FILE:${target}> ${bin_dir}/${target}.hex |
| 155 | ) |
| 156 | endmacro() |
| 157 | |
| 158 | # Set of macrots for sharing code between BL2 and RunTime, targeted for sharing MbedTLS library |
| 159 | macro(target_share_symbols target) |
| 160 | get_target_property(TARGET_TYPE ${target} TYPE) |
| 161 | if (NOT TARGET_TYPE STREQUAL "EXECUTABLE") |
| 162 | message(FATAL_ERROR "${target} is not an executable. Symbols cannot be shared from libraries.") |
| 163 | endif() |
| 164 | |
| 165 | foreach(symbol_file ${ARGN}) |
| 166 | FILE(STRINGS ${symbol_file} SYMBOLS |
| 167 | LENGTH_MINIMUM 1 |
| 168 | ) |
| 169 | list(APPEND KEEP_SYMBOL_LIST ${SYMBOLS}) |
| 170 | endforeach() |
| 171 | |
| 172 | set(STRIP_SYMBOL_KEEP_LIST ${KEEP_SYMBOL_LIST}) |
| 173 | |
| 174 | # Force the target to not remove the symbols if they're unused. |
| 175 | list(TRANSFORM KEEP_SYMBOL_LIST PREPEND "-Wl,--undefined=") |
| 176 | target_link_options(${target} |
| 177 | PRIVATE |
| 178 | ${KEEP_SYMBOL_LIST} |
| 179 | ) |
| 180 | |
| 181 | list(TRANSFORM STRIP_SYMBOL_KEEP_LIST PREPEND --keep-symbol=) |
| 182 | # strip all the symbols except those proveded as arguments |
| 183 | add_custom_target(${target}_shared_symbols |
| 184 | COMMAND ${CMAKE_OBJCOPY} |
| 185 | $<TARGET_FILE:${target}> |
| 186 | --wildcard ${STRIP_SYMBOL_KEEP_LIST} |
| 187 | --strip-all |
| 188 | $<TARGET_FILE_DIR:${target}>/${target}${CODE_SHARING_OUTPUT_FILE_SUFFIX} |
| 189 | ) |
| 190 | |
| 191 | # Ensure ${target} is built before $<TARGET_FILE:${target}> is used to generate ${target}_shared_symbols |
| 192 | add_dependencies(${target}_shared_symbols ${target}) |
| 193 | # Allow the global clean target to rm the ${target}_shared_symbols created |
| 194 | set_target_properties(${target}_shared_symbols PROPERTIES |
| 195 | ADDITIONAL_CLEAN_FILES $<TARGET_FILE_DIR:${target}>/${target}${CODE_SHARING_OUTPUT_FILE_SUFFIX} |
| 196 | ) |
| 197 | endmacro() |
| 198 | |
| 199 | macro(target_link_shared_code target) |
| 200 | foreach(symbol_provider ${ARGN}) |
| 201 | if (TARGET ${symbol_provider}) |
| 202 | get_target_property(SYMBOL_PROVIDER_TYPE ${symbol_provider} TYPE) |
| 203 | if (NOT SYMBOL_PROVIDER_TYPE STREQUAL "EXECUTABLE") |
| 204 | message(FATAL_ERROR "${symbol_provider} is not an executable. Symbols cannot be shared from libraries.") |
| 205 | endif() |
| 206 | endif() |
| 207 | |
| 208 | # Ensure ${symbol_provider}_shared_symbols is built before ${target} |
| 209 | add_dependencies(${target} ${symbol_provider}_shared_symbols) |
| 210 | # ${symbol_provider}_shared_symbols - a custom target is always considered out-of-date |
| 211 | # To only link when necessary, depend on ${symbol_provider} instead |
| 212 | set_property(TARGET ${target} APPEND PROPERTY LINK_DEPENDS $<TARGET_OBJECTS:${symbol_provider}>) |
Anton Komlev | abed032 | 2024-12-27 13:58:38 +0000 | [diff] [blame] | 213 | target_link_options(${target} PRIVATE LINKER:--just-symbols $<TARGET_FILE_DIR:${symbol_provider}>/${symbol_provider}${CODE_SHARING_INPUT_FILE_SUFFIX}) |
Anton Komlev | c88e2ac | 2024-09-12 16:46:39 +0100 | [diff] [blame] | 214 | endforeach() |
| 215 | endmacro() |
| 216 | |
| 217 | macro(target_strip_symbols target) |
| 218 | set(SYMBOL_LIST "${ARGN}") |
| 219 | list(TRANSFORM SYMBOL_LIST PREPEND --strip-symbol=) |
| 220 | |
| 221 | add_custom_command( |
| 222 | TARGET ${target} |
| 223 | POST_BUILD |
| 224 | COMMAND ${CMAKE_OBJCOPY} |
| 225 | ARGS $<TARGET_FILE:${target}> --wildcard ${SYMBOL_LIST} $<TARGET_FILE:${target}> |
| 226 | ) |
| 227 | endmacro() |
| 228 | |
| 229 | macro(target_strip_symbols_from_dependency target dependency) |
| 230 | set(SYMBOL_LIST "${ARGN}") |
| 231 | list(TRANSFORM SYMBOL_LIST PREPEND --strip-symbol=) |
| 232 | |
| 233 | add_custom_command( |
| 234 | TARGET ${target} |
| 235 | PRE_LINK |
| 236 | COMMAND ${CMAKE_OBJCOPY} |
| 237 | ARGS $<TARGET_FILE:${dependency}> --wildcard ${SYMBOL_LIST} $<TARGET_FILE:${dependency}> |
| 238 | ) |
| 239 | endmacro() |
| 240 | |
| 241 | macro(target_weaken_symbols target) |
| 242 | set(SYMBOL_LIST "${ARGN}") |
| 243 | list(TRANSFORM SYMBOL_LIST PREPEND --weaken-symbol=) |
| 244 | |
| 245 | add_custom_command( |
| 246 | TARGET ${target} |
| 247 | POST_BUILD |
| 248 | COMMAND ${CMAKE_OBJCOPY} |
| 249 | ARGS $<TARGET_FILE:${target}> --wildcard ${SYMBOL_LIST} $<TARGET_FILE:${target}> |
| 250 | ) |
| 251 | endmacro() |
| 252 | |
| 253 | macro(target_weaken_symbols_from_dependency target dependency) |
| 254 | set(SYMBOL_LIST "${ARGN}") |
| 255 | list(TRANSFORM SYMBOL_LIST PREPEND --weaken-symbol=) |
| 256 | |
| 257 | add_custom_command( |
| 258 | TARGET ${target} |
| 259 | PRE_LINK |
| 260 | COMMAND ${CMAKE_OBJCOPY} |
| 261 | ARGS $<TARGET_FILE:${dependency}> --wildcard ${SYMBOL_LIST} $<TARGET_FILE:${dependency}> |
| 262 | ) |
| 263 | endmacro() |