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toolchain_IARARM.cmake
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toolchain_IARARM.cmake
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#-------------------------------------------------------------------------------
# Copyright (c) 2020, IAR Systems AB. All rights reserved.
# Copyright (c) 2020-2024, Arm Limited. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
#-------------------------------------------------------------------------------
cmake_minimum_required(VERSION 3.22)
cmake_policy(SET CMP0115 NEW)
SET(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_PROCESSOR ${TFM_SYSTEM_PROCESSOR})
if(CROSS_COMPILE)
set(CMAKE_C_COMPILER_TARGET arm-${CROSS_COMPILE})
set(CMAKE_ASM_COMPILER_TARGET arm-${CROSS_COMPILE})
else()
set(CMAKE_C_COMPILER_TARGET arm-arm-none-eabi)
set(CMAKE_ASM_COMPILER_TARGET arm-arm-none-eabi)
endif()
set(CMAKE_C_COMPILER iccarm)
set(CMAKE_CXX_COMPILER iccarm)
set(CMAKE_ASM_COMPILER iasmarm)
set(LINKER_VENEER_OUTPUT_FLAG --import_cmse_lib_out= )
set(COMPILER_CMSE_FLAG --cmse)
set(CMAKE_C_FLAGS_DEBUG "-r -On")
# This variable name is a bit of a misnomer. The file it is set to is included
# at a particular step in the compiler initialisation. It is used here to
# configure the extensions for object files. Despite the name, it also works
# with the Ninja generator.
set(CMAKE_USER_MAKE_RULES_OVERRIDE ${CMAKE_CURRENT_LIST_DIR}/cmake/set_extensions.cmake)
macro(tfm_toolchain_reset_compiler_flags)
set_property(DIRECTORY PROPERTY COMPILE_OPTIONS "")
add_compile_options(
$<$<COMPILE_LANGUAGE:C,CXX>:-e>
$<$<COMPILE_LANGUAGE:C,CXX>:--dlib_config=full>
$<$<COMPILE_LANGUAGE:C,CXX>:--silent>
$<$<COMPILE_LANGUAGE:C,CXX>:-DNO_TYPEOF>
$<$<COMPILE_LANGUAGE:C,CXX>:-D_NO_DEFINITIONS_IN_HEADER_FILES>
$<$<COMPILE_LANGUAGE:C,CXX>:--diag_suppress=Pe546,Pe940,Pa082,Pa084>
$<$<COMPILE_LANGUAGE:C,CXX>:--no_path_in_file_macros>
$<$<AND:$<COMPILE_LANGUAGE:C,CXX,ASM>,$<BOOL:${TFM_DEBUG_SYMBOLS}>,$<CONFIG:Release,MinSizeRel>>:-r>
)
endmacro()
macro(tfm_toolchain_reset_linker_flags)
set_property(DIRECTORY PROPERTY LINK_OPTIONS "")
add_link_options(
--silent
--semihosting
--redirect __write=__write_buffered
--diag_suppress=lp005,Lp023
)
endmacro()
macro(tfm_toolchain_set_processor_arch)
if(${TFM_SYSTEM_PROCESSOR} STREQUAL "cortex-m0plus")
set(CMAKE_SYSTEM_PROCESSOR Cortex-M0+)
else()
set(CMAKE_SYSTEM_PROCESSOR ${TFM_SYSTEM_PROCESSOR})
endif()
if (DEFINED TFM_SYSTEM_DSP)
if(NOT TFM_SYSTEM_DSP)
string(APPEND CMAKE_SYSTEM_PROCESSOR ".no_dsp")
endif()
endif()
endmacro()
macro(tfm_toolchain_reload_compiler)
tfm_toolchain_set_processor_arch()
tfm_toolchain_reset_compiler_flags()
tfm_toolchain_reset_linker_flags()
unset(CMAKE_C_FLAGS_INIT)
unset(CMAKE_C_LINK_FLAGS)
unset(CMAKE_ASM_FLAGS_INIT)
unset(CMAKE_ASM_LINK_FLAGS)
set(CMAKE_C_FLAGS_INIT "--cpu ${CMAKE_SYSTEM_PROCESSOR}")
set(CMAKE_ASM_FLAGS_INIT "--cpu ${CMAKE_SYSTEM_PROCESSOR}")
set(CMAKE_C_LINK_FLAGS "--cpu ${CMAKE_SYSTEM_PROCESSOR}")
set(CMAKE_ASM_LINK_FLAGS "--cpu ${CMAKE_SYSTEM_PROCESSOR}")
set(CMAKE_C_FLAGS ${CMAKE_C_FLAGS_INIT})
set(CMAKE_ASM_FLAGS ${CMAKE_ASM_FLAGS_INIT})
# Can't use the highest optimization with IAR on v8.1m arch because of the
# compilation bug in mbedcrypto
if ((CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "9.20") AND
(CMAKE_C_COMPILER_VERSION VERSION_LESS_EQUAL "9.32.1") AND
((TFM_SYSTEM_PROCESSOR STREQUAL "cortex-m85") OR
(TFM_SYSTEM_PROCESSOR STREQUAL "cortex-m55")) AND
(NOT (CMAKE_BUILD_TYPE STREQUAL "Debug")))
message(FATAL_ERROR "Only debug build available for M55 and M85"
" cores with IAR version between 9.20 and 9.32.1")
endif()
set(BL2_COMPILER_CP_FLAG
$<$<COMPILE_LANGUAGE:C>:--fpu=none>
$<$<COMPILE_LANGUAGE:ASM>:--fpu=none>
)
# As BL2 does not use hardware FPU, specify '--fpu=none' explicitly to use software
# library functions for BL2 to override any implicit FPU option, such as '--cpu' option.
# Because the implicit hardware FPU option enforces BL2 to initialize FPU but hardware FPU
# is not actually enabled in BL2, it will cause BL2 runtime fault.
set(BL2_LINKER_CP_OPTION --fpu=none)
set(BL1_COMPILER_CP_FLAG
$<$<COMPILE_LANGUAGE:C>:--fpu=none>
$<$<COMPILE_LANGUAGE:ASM>:--fpu=none>
)
set(BL1_LINKER_CP_OPTION --fpu=none)
if (CONFIG_TFM_FLOAT_ABI STREQUAL "hard")
set(COMPILER_CP_FLAG
$<$<COMPILE_LANGUAGE:C>:-mfloat-abi=hard>
)
if (CONFIG_TFM_ENABLE_FP)
set(COMPILER_CP_FLAG
$<$<COMPILE_LANGUAGE:C>:--fpu=${CONFIG_TFM_FP_ARCH_ASM}>
$<$<COMPILE_LANGUAGE:ASM>:--fpu=${CONFIG_TFM_FP_ARCH_ASM}>
)
# armasm and armlink have the same option "--fpu" and are both used to
# specify the target FPU architecture. So the supported FPU architecture
# names can be shared by armasm and armlink.
set(LINKER_CP_OPTION --fpu=${CONFIG_TFM_FP_ARCH_ASM})
endif()
else()
set(COMPILER_CP_FLAG
$<$<COMPILE_LANGUAGE:C>:--fpu=none>
$<$<COMPILE_LANGUAGE:ASM>:--fpu=none>
)
set(LINKER_CP_OPTION --fpu=none)
endif()
add_compile_definitions(
$<$<STREQUAL:${TFM_SYSTEM_ARCHITECTURE},armv6-m>:__ARM_ARCH_6M__=1>
$<$<STREQUAL:${TFM_SYSTEM_ARCHITECTURE},armv7-m>:__ARM_ARCH_7M__=1>
$<$<AND:$<STREQUAL:${TFM_SYSTEM_ARCHITECTURE},armv7-m>,$<BOOL:__ARM_FEATURE_DSP>>:__ARM_ARCH_7EM__=1>
$<$<STREQUAL:${TFM_SYSTEM_ARCHITECTURE},armv8-m.base>:__ARM_ARCH_8M_BASE__=1>
$<$<STREQUAL:${TFM_SYSTEM_ARCHITECTURE},armv8-m.main>:__ARM_ARCH_8M_MAIN__=1>
$<$<STREQUAL:${TFM_SYSTEM_ARCHITECTURE},armv8.1-m.main>:__ARM_ARCH_8_1M_MAIN__=1>
)
endmacro()
# Configure environment for the compiler setup run by cmake at the first
# `project` call in <tfm_root>/CMakeLists.txt. After this mandatory setup is
# done, all further compiler setup is done via tfm_toolchain_reload_compiler()
tfm_toolchain_reload_compiler()
# Behaviour for handling scatter files is so wildly divergent between compilers
# that this macro is required.
macro(target_add_scatter_file target)
target_link_options(${target}
PRIVATE
--config $<TARGET_OBJECTS:${target}_scatter>
)
add_library(${target}_scatter OBJECT)
foreach(scatter_file ${ARGN})
target_sources(${target}_scatter
PRIVATE
${scatter_file}
)
# Cmake cannot use generator expressions in the
# set_source_file_properties command, so instead we just parse the regex
# for the filename and set the property on all files, regardless of if
# the generator expression would evaluate to true or not.
string(REGEX REPLACE ".*>:(.*)>$" "\\1" SCATTER_FILE_PATH "${scatter_file}")
set_source_files_properties(${SCATTER_FILE_PATH}
PROPERTIES
LANGUAGE C
)
endforeach()
add_dependencies(${target}
${target}_scatter
)
set_target_properties(${target} PROPERTIES LINK_DEPENDS $<TARGET_OBJECTS:${target}_scatter>)
target_link_libraries(${target}_scatter
platform_region_defs
psa_interface
tfm_config
)
target_compile_options(${target}_scatter
PRIVATE
--preprocess=sn $<TARGET_OBJECTS:${target}_scatter>
)
endmacro()
macro(add_convert_to_bin_target target)
get_target_property(bin_dir ${target} RUNTIME_OUTPUT_DIRECTORY)
add_custom_target(${target}_bin
SOURCES ${bin_dir}/${target}.bin
)
add_custom_command(OUTPUT ${bin_dir}/${target}.bin
DEPENDS ${target}
COMMAND ielftool
--silent
--bin $<TARGET_FILE:${target}>
${bin_dir}/${target}.bin
)
add_custom_target(${target}_elf
SOURCES ${bin_dir}/${target}.elf
)
add_custom_command(OUTPUT ${bin_dir}/${target}.elf
DEPENDS ${target}
COMMAND ielftool
--silent
$<TARGET_FILE:${target}>
${bin_dir}/${target}.elf
)
add_custom_target(${target}_hex
SOURCES ${bin_dir}/${target}.hex
)
add_custom_command(OUTPUT ${bin_dir}/${target}.hex
DEPENDS ${target}
COMMAND ielftool
--silent
--ihex $<TARGET_FILE:${target}>
${bin_dir}/${target}.hex
)
add_custom_target(${target}_binaries
ALL
DEPENDS ${target}_bin
DEPENDS ${target}_elf
DEPENDS ${target}_hex
)
endmacro()
macro(target_share_symbols target)
get_target_property(TARGET_TYPE ${target} TYPE)
if (NOT TARGET_TYPE STREQUAL "EXECUTABLE")
message(FATAL_ERROR "${target} is not an executable. Symbols cannot be shared from libraries.")
endif()
foreach(symbol_file ${ARGN})
FILE(STRINGS ${symbol_file} SYMBOLS
LENGTH_MINIMUM 1
)
list(APPEND KEEP_SYMBOL_LIST ${SYMBOLS})
endforeach()
set(IAR_STEERING_FILE ${KEEP_SYMBOL_LIST})
list(TRANSFORM IAR_STEERING_FILE PREPEND "show ")
list(TRANSFORM IAR_STEERING_FILE APPEND " \n")
list(INSERT IAR_STEERING_FILE 0 "hide *\n")
string(REPLACE ";" "" IAR_STEERING_FILE ${IAR_STEERING_FILE})
file( GENERATE OUTPUT "$<TARGET_FILE_DIR:${target}>/iar_steering_file" CONTENT "${IAR_STEERING_FILE}")
add_custom_command(
TARGET ${target}
POST_BUILD
COMMAND ${CMAKE_IAR_SYMEXPORT}
ARGS --edit $<TARGET_FILE_DIR:${target}>/iar_steering_file $<TARGET_FILE:${target}> $<TARGET_FILE_DIR:${target}>/${target}${CODE_SHARING_OUTPUT_FILE_SUFFIX}
)
# Force the target to not remove the symbols if they're unused.
list(TRANSFORM KEEP_SYMBOL_LIST PREPEND --keep=)
target_link_options(${target}
PRIVATE
${KEEP_SYMBOL_LIST}
)
endmacro()
macro(target_link_shared_code target)
get_target_property(TARGET_SOURCE_DIR ${target} SOURCE_DIR)
foreach(symbol_provider ${ARGN})
if (TARGET ${symbol_provider})
get_target_property(SYMBOL_PROVIDER_TYPE ${symbol_provider} TYPE)
if (NOT SYMBOL_PROVIDER_TYPE STREQUAL "EXECUTABLE")
message(FATAL_ERROR "${symbol_provider} is not an executable. Symbols cannot be shared from libraries.")
endif()
endif()
add_dependencies(${target} ${symbol_provider})
target_link_options(${target} PRIVATE LINKER:$<TARGET_FILE_DIR:${symbol_provider}>/${symbol_provider}${CODE_SHARING_INPUT_FILE_SUFFIX})
endforeach()
endmacro()
macro(compiler_create_shared_code TARGET SHARED_SYMBOL_TEMPLATE)
message(FATAL_ERROR "Code sharing support is not implemented by IAR.")
endmacro()
macro(compiler_link_shared_code TARGET SHARED_CODE_PATH ORIG_TARGET LIB_LIST)
message(FATAL_ERROR "Code sharing support is not implemented by IAR.")
endmacro()