1404 lines
47 KiB
CMake
1404 lines
47 KiB
CMake
# *DOCUMENTATION*
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#
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# Note that this is *NOT* the top-level CMakeLists.txt. That's in the
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# application. See the Application Development Primer documentation
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# for details.
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#
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# To see a list of typical targets execute "make usage"
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# More info can be located in ./README.rst
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# Comments in this file are targeted only to the developer, do not
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# expect to learn how to build the kernel reading this file.
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if(NOT DEFINED ZEPHYR_BINARY_DIR)
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message(FATAL_ERROR "A user error has occured.
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cmake was invoked with '${CMAKE_CURRENT_LIST_DIR}' specified as the source directory,
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but it must be invoked with an application source directory,
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such as '${CMAKE_CURRENT_LIST_DIR}/samples/hello_world'.
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Debug variables:
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CMAKE_CACHEFILE_DIR: ${CMAKE_CACHEFILE_DIR}
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")
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endif()
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project(Zephyr-Kernel VERSION ${PROJECT_VERSION})
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enable_language(C CXX ASM)
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# Verify that the toolchain can compile a dummy file, if it is not we
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# won't be able to test for compatiblity with certain C flags.
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check_c_compiler_flag("" toolchain_is_ok)
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assert(toolchain_is_ok "The toolchain is unable to build a dummy C file. See CMakeError.log.")
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set(CMAKE_EXECUTABLE_SUFFIX .elf)
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set(ZEPHYR_PREBUILT_EXECUTABLE zephyr_prebuilt)
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set(OFFSETS_H_TARGET offsets_h)
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set(SYSCALL_MACROS_H_TARGET syscall_macros_h_target)
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set(SYSCALL_LIST_H_TARGET syscall_list_h_target)
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set(DRIVER_VALIDATION_H_TARGET driver_validation_h_target)
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set(KOBJ_TYPES_H_TARGET kobj_types_h_target)
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set(LINKER_SCRIPT_TARGET linker_script_target)
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if(NOT PROPERTY_LINKER_SCRIPT_DEFINES)
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set_property(GLOBAL PROPERTY PROPERTY_LINKER_SCRIPT_DEFINES -D__GCC_LINKER_CMD__)
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endif()
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define_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT BRIEF_DOCS " " FULL_DOCS " ")
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set_property( GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf32-little${ARCH}) # BFD format
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# "zephyr_interface" is a source-less library that encapsulates all the global
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# compiler options needed by all source files. All zephyr libraries,
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# including the library named "zephyr" link with this library to
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# obtain these flags.
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# https://cmake.org/cmake/help/latest/manual/cmake-buildsystem.7.html#interface-libraries
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add_library(zephyr_interface INTERFACE)
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# "zephyr" is a catch-all CMake library for source files that can be
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# built purely with the include paths, defines, and other compiler
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# flags that come with zephyr_interface.
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zephyr_library_named(zephyr)
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zephyr_include_directories(
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kernel/include
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${ARCH_DIR}/${ARCH}/include
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include
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include/drivers
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${PROJECT_BINARY_DIR}/include/generated
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${USERINCLUDE}
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${STDINCLUDE}
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)
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# Don't add non-existing include directories, it creates noise and
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# warnings in some tooling
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foreach(optional_include_dir
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${SOC_DIR}/${ARCH}/${SOC_PATH}
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${SOC_DIR}/${ARCH}/${SOC_PATH}/include
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${SOC_DIR}/${ARCH}/${SOC_FAMILY}/include
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)
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if(EXISTS ${optional_include_dir})
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zephyr_include_directories(${optional_include_dir})
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endif()
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endforeach()
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zephyr_compile_definitions(
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KERNEL
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__ZEPHYR__=1
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)
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# @Intent: Set compiler flags to enable buffer overflow checks in libc functions
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# @config in CONFIG_NO_OPTIMIZATIONS optional : Optimizations may affect security
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toolchain_cc_security_fortify()
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# @Intent: Set compiler flags to detect general stack overflows across all functions
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if(CONFIG_STACK_CANARIES)
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toolchain_cc_security_canaries()
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endif()
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if(BUILD_VERSION)
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zephyr_compile_definitions(
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BUILD_VERSION=${BUILD_VERSION}
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)
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endif()
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# We need to set an optimization level.
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# Default to -Os
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# unless CONFIG_NO_OPTIMIZATIONS is set, then it is -O0
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# or unless CONFIG_DEBUG is set, then it is -Og
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#
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# also, some toolchain's break with -Os, and some toolchain's break
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# with -Og so allow them to override what flag to use
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#
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# Finally, the user can use Kconfig to add compiler options that will
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# come after these options and override them
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set_ifndef(OPTIMIZE_FOR_NO_OPTIMIZATIONS_FLAG "-O0")
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set_ifndef(OPTIMIZE_FOR_DEBUG_FLAG "-Og")
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set_ifndef(OPTIMIZE_FOR_SIZE_FLAG "-Os")
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set_ifndef(OPTIMIZE_FOR_SPEED_FLAG "-O2")
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if(CONFIG_NO_OPTIMIZATIONS)
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set(OPTIMIZATION_FLAG ${OPTIMIZE_FOR_NO_OPTIMIZATIONS_FLAG})
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elseif(CONFIG_DEBUG_OPTIMIZATIONS)
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set(OPTIMIZATION_FLAG ${OPTIMIZE_FOR_DEBUG_FLAG})
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elseif(CONFIG_SPEED_OPTIMIZATIONS)
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set(OPTIMIZATION_FLAG ${OPTIMIZE_FOR_SPEED_FLAG})
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elseif(CONFIG_SIZE_OPTIMIZATIONS)
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set(OPTIMIZATION_FLAG ${OPTIMIZE_FOR_SIZE_FLAG}) # Default
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else()
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assert(0 "Unreachable code. Expected optimization level to have been chosen. See Kconfig.zephyr")
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endif()
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# Dialects of C++, corresponding to the multiple published ISO standards.
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# Which standard it implements can be selected using the -std= command-line option.
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set_ifndef(DIALECT_STD_CPP98 "c++98")
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set_ifndef(DIALECT_STD_CPP11 "c++11")
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set_ifndef(DIALECT_STD_CPP14 "c++14")
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set_ifndef(DIALECT_STD_CPP17 "c++17")
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set_ifndef(DIALECT_STD_CPP2A "c++2a")
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if(CONFIG_STD_CPP98)
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set(STD_CPP_DIALECT ${DIALECT_STD_CPP98})
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elseif(CONFIG_STD_CPP11)
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set(STD_CPP_DIALECT ${DIALECT_STD_CPP11}) # Default
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elseif(CONFIG_STD_CPP14)
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set(STD_CPP_DIALECT ${DIALECT_STD_CPP14})
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elseif(CONFIG_STD_CPP17)
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set(STD_CPP_DIALECT ${DIALECT_STD_CPP17})
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elseif(CONFIG_STD_CPP2A)
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set(STD_CPP_DIALECT ${DIALECT_STD_CPP2A})
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else()
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assert(0 "Unreachable code. Expected C++ standard to have been chosen. See Kconfig.zephyr.")
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endif()
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zephyr_compile_options(
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${OPTIMIZATION_FLAG} # Usually -Os
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-g # TODO: build configuration enough?
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-Wall
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-Wformat
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-Wformat-security
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-Wno-format-zero-length
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-imacros ${AUTOCONF_H}
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-ffreestanding
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-Wno-main
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-fno-common
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${NOSTDINC_F}
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${TOOLCHAIN_C_FLAGS}
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)
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zephyr_compile_options(
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$<$<COMPILE_LANGUAGE:CXX>:-std=${STD_CPP_DIALECT}>
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$<$<COMPILE_LANGUAGE:CXX>:-fcheck-new>
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$<$<COMPILE_LANGUAGE:CXX>:-ffunction-sections>
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$<$<COMPILE_LANGUAGE:CXX>:-fdata-sections>
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$<$<COMPILE_LANGUAGE:ASM>:-xassembler-with-cpp>
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$<$<COMPILE_LANGUAGE:ASM>:-D_ASMLANGUAGE>
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)
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if(NOT CONFIG_RTTI)
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zephyr_compile_options(
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$<$<COMPILE_LANGUAGE:CXX>:-fno-rtti>
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)
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endif()
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if(NOT CONFIG_EXCEPTIONS)
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zephyr_compile_options(
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$<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions>
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)
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endif()
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zephyr_ld_options(
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${TOOLCHAIN_LD_FLAGS}
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)
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if(NOT CONFIG_NATIVE_APPLICATION)
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zephyr_ld_options(
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-nostdlib
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-static
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-no-pie
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)
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endif()
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if(CONFIG_LIB_CPLUSPLUS)
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zephyr_ld_options(
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-lstdc++
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)
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endif()
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# ==========================================================================
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#
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# cmake -DW=... settings
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#
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# W=1 - warnings that may be relevant and does not occur too often
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# W=2 - warnings that occur quite often but may still be relevant
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# W=3 - the more obscure warnings, can most likely be ignored
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# ==========================================================================
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if(W MATCHES "1")
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zephyr_compile_options(
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-Wextra
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-Wunused
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-Wno-unused-parameter
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-Wmissing-declarations
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-Wmissing-format-attribute
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-Wold-style-definition
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)
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zephyr_cc_option(
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-Wmissing-prototypes
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-Wmissing-include-dirs
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-Wunused-but-set-variable
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-Wno-missing-field-initializers
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)
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endif()
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if(W MATCHES "2")
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zephyr_compile_options(
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-Waggregate-return
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-Wcast-align
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-Wdisabled-optimization
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-Wnested-externs
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-Wshadow
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)
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zephyr_cc_option(
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-Wlogical-op
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-Wmissing-field-initializers
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)
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endif()
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if(W MATCHES "3")
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zephyr_compile_options(
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-Wbad-function-cast
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-Wcast-qual
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-Wconversion
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-Wpacked
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-Wpadded
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-Wpointer-arith
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-Wredundant-decls
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-Wswitch-default
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)
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zephyr_cc_option(
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-Wpacked-bitfield-compat
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-Wvla
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)
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endif()
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if(NOT CONFIG_STD_CPP98) # "register" keyword was deprecated since C++11.
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zephyr_compile_options(
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$<$<COMPILE_LANGUAGE:CXX>:-Wno-register>
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)
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endif()
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# Allow the user to inject options when calling cmake, e.g.
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# 'cmake -DEXTRA_CFLAGS="-Werror -Wno-deprecated-declarations" ..'
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include(cmake/extra_flags.cmake)
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zephyr_cc_option(-fno-asynchronous-unwind-tables)
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zephyr_cc_option(-fno-pie)
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zephyr_cc_option(-fno-pic)
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zephyr_cc_option(-fno-strict-overflow)
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zephyr_cc_option(-Wno-pointer-sign)
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if(CONFIG_OVERRIDE_FRAME_POINTER_DEFAULT)
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if(CONFIG_OMIT_FRAME_POINTER)
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zephyr_cc_option(-fomit-frame-pointer)
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else()
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zephyr_cc_option(-fno-omit-frame-pointer)
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endif()
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endif()
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separate_arguments(CONFIG_COMPILER_OPT_AS_LIST UNIX_COMMAND ${CONFIG_COMPILER_OPT})
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zephyr_compile_options(${CONFIG_COMPILER_OPT_AS_LIST})
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# TODO: Include arch compiler options at this point.
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if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
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zephyr_cc_option(
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#FIXME: need to fix all of those
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-Wno-sometimes-uninitialized
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-Wno-shift-overflow
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-Wno-missing-braces
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-Wno-self-assign
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-Wno-address-of-packed-member
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-Wno-unused-function
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-Wno-initializer-overrides
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-Wno-section
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-Wno-unknown-warning-option
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-Wno-unused-variable
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-Wno-format-invalid-specifier
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-Wno-gnu
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# comparison of unsigned expression < 0 is always false
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-Wno-tautological-compare
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)
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else() # GCC assumed
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zephyr_cc_option(
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-Wno-unused-but-set-variable
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-fno-reorder-functions
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)
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if(NOT ${ZEPHYR_TOOLCHAIN_VARIANT} STREQUAL "xcc")
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zephyr_cc_option(-fno-defer-pop)
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endif()
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endif()
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zephyr_cc_option_ifdef(CONFIG_STACK_USAGE -fstack-usage)
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zephyr_system_include_directories(${NOSTDINC})
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# Force an error when things like SYS_INIT(foo, ...) occur with a missing header.
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zephyr_cc_option(-Werror=implicit-int)
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# Prohibit void pointer arithmetic. Illegal in C99
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zephyr_cc_option(-Wpointer-arith)
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# Prohibit date/time macros, which would make the build non-deterministic
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# cc-option(-Werror=date-time)
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# TODO: Archiver arguments
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# ar_option(D)
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# Declare MPU userspace dependencies before the linker scripts to make
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# sure the order of dependencies are met
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if(CONFIG_USERSPACE)
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if(CONFIG_APP_SHARED_MEM)
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set(APP_SMEM_DEP app_smem_linker)
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endif()
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if(CONFIG_ARM)
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set(PRIV_STACK_DEP priv_stacks_prebuilt)
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endif()
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endif()
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set_ifndef(LINKERFLAGPREFIX -Wl)
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if(NOT CONFIG_NATIVE_APPLICATION)
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zephyr_ld_options(
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${LINKERFLAGPREFIX},-X
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${LINKERFLAGPREFIX},-N
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)
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endif()
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zephyr_ld_options(
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${LINKERFLAGPREFIX},--gc-sections
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${LINKERFLAGPREFIX},--build-id=none
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)
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if(NOT CONFIG_NATIVE_APPLICATION)
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set(NOSTDINC_F -nostdinc)
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endif()
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get_property(TOPT GLOBAL PROPERTY TOPT)
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set_ifndef( TOPT -T)
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if(NOT CONFIG_NATIVE_APPLICATION)
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# Funny thing is if this is set to =error, some architectures will
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# skip this flag even though the compiler flag check passes
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# (e.g. ARC and Xtensa). So warning should be the default for now.
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#
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# Skip this for native application as Zephyr only provides
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# additions to the host toolchain linker script. The relocation
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# sections (.rel*) requires us to override those provided
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# by host toolchain. As we can't account for all possible
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# combination of compiler and linker on all machines used
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# for development, it is better to turn this off.
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#
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# CONFIG_LINKER_ORPHAN_SECTION_PLACE is to place the orphan sections
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# without any warnings or errors, which is the default behavior.
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# So there is no need to explicity set a linker flag.
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if(CONFIG_LINKER_ORPHAN_SECTION_WARN)
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zephyr_ld_options(
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${LINKERFLAGPREFIX},--orphan-handling=warn
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)
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elseif(CONFIG_LINKER_ORPHAN_SECTION_ERROR)
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zephyr_ld_options(
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${LINKERFLAGPREFIX},--orphan-handling=error
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)
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endif()
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endif()
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if(CONFIG_HAVE_CUSTOM_LINKER_SCRIPT)
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set(LINKER_SCRIPT ${APPLICATION_SOURCE_DIR}/${CONFIG_CUSTOM_LINKER_SCRIPT})
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if(NOT EXISTS ${LINKER_SCRIPT})
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set(LINKER_SCRIPT ${CONFIG_CUSTOM_LINKER_SCRIPT})
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assert_exists(CONFIG_CUSTOM_LINKER_SCRIPT)
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endif()
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else()
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# Try a board specific linker file
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set(LINKER_SCRIPT ${BOARD_DIR}/linker.ld)
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if(NOT EXISTS ${LINKER_SCRIPT})
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# If not available, try an SoC specific linker file
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set(LINKER_SCRIPT ${SOC_DIR}/${ARCH}/${SOC_PATH}/linker.ld)
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endif()
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endif()
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if(NOT EXISTS ${LINKER_SCRIPT})
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message(FATAL_ERROR "Could not find linker script: '${LINKER_SCRIPT}'. Corrupted configuration?")
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endif()
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# Custom section support in linker scripts requires that the application source
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|
# directory is in the preprocessor search path, in order to find the custom
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# linker script fragments.
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if(CONFIG_CUSTOM_RODATA_LD OR CONFIG_CUSTOM_RWDATA_LD OR CONFIG_CUSTOM_SECTIONS_LD)
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zephyr_include_directories(${APPLICATION_SOURCE_DIR})
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endif()
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configure_file(version.h.in ${PROJECT_BINARY_DIR}/include/generated/version.h)
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function(construct_add_custom_command_for_linker_pass linker_output_name output_variable)
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set(extra_dependencies ${ARGN})
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set(linker_cmd_file_name ${linker_output_name}.cmd)
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if (${linker_output_name} MATCHES "^linker_pass_final$")
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set(linker_pass_define -DLINKER_PASS2)
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|
else()
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set(linker_pass_define "")
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|
endif()
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|
|
# Different generators deal with depfiles differently.
|
|
if(CMAKE_GENERATOR STREQUAL "Unix Makefiles")
|
|
# Note that the IMPLICIT_DEPENDS option is currently supported only
|
|
# for Makefile generators and will be ignored by other generators.
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|
set(linker_script_dep IMPLICIT_DEPENDS C ${LINKER_SCRIPT})
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|
elseif(CMAKE_GENERATOR STREQUAL "Ninja")
|
|
# Using DEPFILE with other generators than Ninja is an error.
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|
set(linker_script_dep DEPFILE ${PROJECT_BINARY_DIR}/${linker_cmd_file_name}.dep)
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else()
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|
# TODO: How would the linker script dependencies work for non-linker
|
|
# script generators.
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|
message(STATUS "Warning; this generator is not well supported. The
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Linker script may not be regenerated when it should.")
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set(linker_script_dep "")
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endif()
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zephyr_get_include_directories_for_lang(C current_includes)
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get_filename_component(base_name ${CMAKE_CURRENT_BINARY_DIR} NAME)
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get_property(current_defines GLOBAL PROPERTY PROPERTY_LINKER_SCRIPT_DEFINES)
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|
|
|
set(${output_variable}
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OUTPUT ${linker_cmd_file_name}
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DEPENDS
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${LINKER_SCRIPT}
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${extra_dependencies}
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# NB: 'linker_script_dep' will use a keyword that ends 'DEPENDS'
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|
${linker_script_dep}
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|
COMMAND ${CMAKE_C_COMPILER}
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|
-x assembler-with-cpp
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|
${NOSTDINC_F}
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|
${NOSYSDEF_CFLAG}
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|
-MD -MF ${linker_cmd_file_name}.dep -MT ${base_name}/${linker_cmd_file_name}
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${current_includes}
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|
${current_defines}
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|
${linker_pass_define}
|
|
-E ${LINKER_SCRIPT}
|
|
-P # Prevent generation of debug `#line' directives.
|
|
-o ${linker_cmd_file_name}
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|
VERBATIM
|
|
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
|
|
|
|
PARENT_SCOPE
|
|
)
|
|
endfunction()
|
|
|
|
# Error-out when the deprecated naming convention is found (until
|
|
# after 1.14.0 has been released)
|
|
foreach(path
|
|
${BOARD_DIR}/dts.fixup
|
|
${PROJECT_SOURCE_DIR}/soc/${ARCH}/${SOC_PATH}/dts.fixup
|
|
${APPLICATION_SOURCE_DIR}/dts.fixup
|
|
)
|
|
if(EXISTS ${path})
|
|
message(FATAL_ERROR
|
|
"A deprecated filename has been detected. Porting is required."
|
|
"The file '${path}' exists, but it should be named dts_fixup.h instead."
|
|
"See https://github.com/zephyrproject-rtos/zephyr/pull/10352 for more details"
|
|
)
|
|
endif()
|
|
endforeach()
|
|
|
|
set_ifndef( DTS_BOARD_FIXUP_FILE ${BOARD_DIR}/dts_fixup.h)
|
|
set_ifndef( DTS_SOC_FIXUP_FILE ${SOC_DIR}/${ARCH}/${SOC_PATH}/dts_fixup.h)
|
|
set( DTS_APP_FIXUP_FILE ${APPLICATION_SOURCE_DIR}/dts_fixup.h)
|
|
|
|
set_ifndef(DTS_CAT_OF_FIXUP_FILES ${ZEPHYR_BINARY_DIR}/include/generated/generated_dts_board_fixups.h)
|
|
|
|
# Concatenate the fixups into a single header file for easy
|
|
# #include'ing
|
|
file(WRITE ${DTS_CAT_OF_FIXUP_FILES} "/* May only be included by generated_dts_board.h */\n\n")
|
|
foreach(fixup_file
|
|
${DTS_BOARD_FIXUP_FILE}
|
|
${DTS_SOC_FIXUP_FILE}
|
|
${DTS_APP_FIXUP_FILE}
|
|
${shield_dts_fixups}
|
|
)
|
|
if(EXISTS ${fixup_file})
|
|
file(READ ${fixup_file} contents)
|
|
file(APPEND ${DTS_CAT_OF_FIXUP_FILES} "${contents}")
|
|
endif()
|
|
endforeach()
|
|
|
|
# Unfortunately, the order in which CMakeLists.txt code is processed
|
|
# matters so we need to be careful about how we order the processing
|
|
# of subdirectories. One example is "Compiler flags added late in the
|
|
# build are not exported to external build systems #5605"; when we
|
|
# integrate with an external build system we read out all compiler
|
|
# flags when the external project is created. So an external project
|
|
# defined in subsys or ext will not get global flags added by drivers/
|
|
# or tests/ as the subdirectories are ordered now.
|
|
#
|
|
# Another example of when the order matters is the reading and writing
|
|
# of global properties such as ZEPHYR_LIBS or
|
|
# GENERATED_KERNEL_OBJECT_FILES.
|
|
#
|
|
# Arch is placed early because it defines important compiler flags
|
|
# that must be exported to external build systems defined in
|
|
# e.g. subsys/.
|
|
add_subdirectory(arch)
|
|
add_subdirectory(lib)
|
|
# We use include instead of add_subdirectory to avoid creating a new directory scope.
|
|
# This is because source file properties are directory scoped, including the GENERATED
|
|
# property which is set implicitly for custom command outputs
|
|
include(misc/generated/CMakeLists.txt)
|
|
|
|
if(EXISTS ${SOC_DIR}/${ARCH}/CMakeLists.txt)
|
|
add_subdirectory(${SOC_DIR}/${ARCH} soc/${ARCH})
|
|
else()
|
|
add_subdirectory(${SOC_DIR}/${ARCH}/${SOC_PATH} soc/${ARCH}/${SOC_PATH})
|
|
endif()
|
|
|
|
add_subdirectory(boards)
|
|
add_subdirectory(ext)
|
|
add_subdirectory(subsys)
|
|
add_subdirectory(drivers)
|
|
add_subdirectory(tests)
|
|
|
|
# Add all zephyr modules subdirectories.
|
|
message("Including module(s): ${ZEPHYR_MODULES_NAME}")
|
|
set(index 0)
|
|
foreach(module_name ${ZEPHYR_MODULES_NAME})
|
|
list(GET ZEPHYR_MODULES_DIR ${index} module_dir)
|
|
math(EXPR index "${index} + 1")
|
|
add_subdirectory(${module_dir} ${CMAKE_BINARY_DIR}/${module_name})
|
|
endforeach()
|
|
|
|
set(syscall_macros_h ${ZEPHYR_BINARY_DIR}/include/generated/syscall_macros.h)
|
|
|
|
add_custom_target(${SYSCALL_MACROS_H_TARGET} DEPENDS ${syscall_macros_h})
|
|
add_custom_command( OUTPUT ${syscall_macros_h}
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${ZEPHYR_BASE}/scripts/gen_syscall_header.py
|
|
> ${syscall_macros_h}
|
|
DEPENDS ${ZEPHYR_BASE}/scripts/gen_syscall_header.py
|
|
)
|
|
|
|
|
|
set(syscall_list_h ${CMAKE_CURRENT_BINARY_DIR}/include/generated/syscall_list.h)
|
|
set(syscalls_json ${CMAKE_CURRENT_BINARY_DIR}/misc/generated/syscalls.json)
|
|
|
|
# The syscalls subdirs txt file is constructed by python containing a list of folders to use for
|
|
# dependency handling, including empty folders.
|
|
# Windows: The list is used to specify DIRECTORY list with CMAKE_CONFIGURE_DEPENDS attribute.
|
|
# Other OS: The list will update whenever a file is added/removed/modified and ensure a re-build.
|
|
set(syscalls_subdirs_txt ${CMAKE_CURRENT_BINARY_DIR}/misc/generated/syscalls_subdirs.txt)
|
|
|
|
# As syscalls_subdirs_txt is updated whenever a file is modified, this file can not be used for
|
|
# monitoring of added / removed folders. A trigger file is thus used for correct dependency
|
|
# handling. The trigger file will update when a folder is added / removed.
|
|
set(syscalls_subdirs_trigger ${CMAKE_CURRENT_BINARY_DIR}/misc/generated/syscalls_subdirs.trigger)
|
|
|
|
if(NOT (${CMAKE_HOST_SYSTEM_NAME} STREQUAL Windows))
|
|
set(syscalls_links --create-links ${CMAKE_CURRENT_BINARY_DIR}/misc/generated/syscalls_links)
|
|
endif()
|
|
|
|
# When running CMake it must be ensured that all dependencies are correctly acquired.
|
|
execute_process(
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${ZEPHYR_BASE}/scripts/subfolder_list.py
|
|
--directory ${ZEPHYR_BASE}/include # Walk this directory
|
|
--out-file ${syscalls_subdirs_txt} # Write file with discovered folder
|
|
--trigger ${syscalls_subdirs_trigger} # Trigger file that is used for json generation
|
|
${syscalls_links} # If defined, create symlinks for dependencies
|
|
)
|
|
file(STRINGS ${syscalls_subdirs_txt} PARSE_SYSCALLS_PATHS_DEPENDS)
|
|
|
|
if(${CMAKE_HOST_SYSTEM_NAME} STREQUAL Windows)
|
|
# On windows only adding/removing files or folders will be reflected in depends.
|
|
# Hence adding a file requires CMake to re-run to add this file to the file list.
|
|
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${PARSE_SYSCALLS_PATHS_DEPENDS})
|
|
|
|
# Also On Windows each header file must be monitored as file modifications are not reflected
|
|
# on directory level.
|
|
file(GLOB_RECURSE PARSE_SYSCALLS_HEADER_DEPENDS ${ZEPHYR_BASE}/include/*.h)
|
|
else()
|
|
# The syscall parsing depends on the folders in order to detect add/removed/modified files.
|
|
# When a folder is removed, CMake will try to find a target that creates that dependency.
|
|
# This command sets up the target for CMake to find.
|
|
# Without this code, CMake will fail with the following error:
|
|
# <folder> needed by '<target>', missing and no known rule to make it
|
|
# when a folder is removed.
|
|
add_custom_command(OUTPUT ${PARSE_SYSCALLS_PATHS_DEPENDS}
|
|
COMMAND ${CMAKE_COMMAND} -E echo ""
|
|
COMMENT "Preparing syscall dependency handling"
|
|
)
|
|
|
|
add_custom_command(
|
|
OUTPUT
|
|
${syscalls_subdirs_trigger}
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${ZEPHYR_BASE}/scripts/subfolder_list.py
|
|
--directory ${ZEPHYR_BASE}/include # Walk this directory
|
|
--out-file ${syscalls_subdirs_txt} # Write file with discovered folder
|
|
--trigger ${syscalls_subdirs_trigger} # Trigger file that is used for json generation
|
|
${syscalls_links} # If defined, create symlinks for dependencies
|
|
DEPENDS ${PARSE_SYSCALLS_PATHS_DEPENDS}
|
|
)
|
|
|
|
# Ensure subdir file always exists when specifying CMake dependency.
|
|
if(NOT EXISTS ${syscalls_subdirs_txt})
|
|
file(WRITE ${syscalls_subdirs_txt} "")
|
|
endif()
|
|
|
|
# On other OS'es, modifying a file is reflected on the folder timestamp and hence detected
|
|
# when using depend on directory level.
|
|
# Thus CMake only needs to re-run when sub-directories are added / removed, which is indicated
|
|
# using a trigger file.
|
|
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${syscalls_subdirs_txt})
|
|
endif()
|
|
|
|
# SYSCALL_INCLUDE_DIRECTORY will include the directories that needs to be
|
|
# searched for syscall declarations if CONFIG_APPLICATION_DEFINED_SYSCALL is set
|
|
if(CONFIG_APPLICATION_DEFINED_SYSCALL)
|
|
set(SYSCALL_INCLUDE_DIRECTORY --include ${APPLICATION_SOURCE_DIR})
|
|
endif()
|
|
|
|
add_custom_command(
|
|
OUTPUT
|
|
${syscalls_json}
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${ZEPHYR_BASE}/scripts/parse_syscalls.py
|
|
--include ${ZEPHYR_BASE}/include # Read files from this dir
|
|
${SYSCALL_INCLUDE_DIRECTORY}
|
|
--json-file ${syscalls_json} # Write this file
|
|
DEPENDS ${syscalls_subdirs_trigger} ${PARSE_SYSCALLS_HEADER_DEPENDS}
|
|
)
|
|
|
|
add_custom_target(${SYSCALL_LIST_H_TARGET} DEPENDS ${syscall_list_h})
|
|
add_custom_command(OUTPUT include/generated/syscall_dispatch.c ${syscall_list_h}
|
|
# Also, some files are written to include/generated/syscalls/
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${ZEPHYR_BASE}/scripts/gen_syscalls.py
|
|
--json-file ${syscalls_json} # Read this file
|
|
--base-output include/generated/syscalls # Write to this dir
|
|
--syscall-dispatch include/generated/syscall_dispatch.c # Write this file
|
|
--syscall-list ${syscall_list_h}
|
|
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
|
|
DEPENDS ${syscalls_json}
|
|
)
|
|
|
|
set(DRV_VALIDATION ${PROJECT_BINARY_DIR}/include/generated/driver-validation.h)
|
|
add_custom_command(
|
|
OUTPUT ${DRV_VALIDATION}
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${ZEPHYR_BASE}/scripts/gen_kobject_list.py
|
|
--validation-output ${DRV_VALIDATION}
|
|
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
|
|
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
|
|
)
|
|
add_custom_target(${DRIVER_VALIDATION_H_TARGET} DEPENDS ${DRV_VALIDATION})
|
|
|
|
include($ENV{ZEPHYR_BASE}/cmake/kobj.cmake)
|
|
gen_kobj(KOBJ_INCLUDE_PATH)
|
|
|
|
# Generate offsets.c.obj from offsets.c
|
|
# Generate offsets.h from offsets.c.obj
|
|
|
|
set(OFFSETS_LIB offsets)
|
|
|
|
set(OFFSETS_C_PATH ${ARCH_DIR}/${ARCH}/core/offsets/offsets.c)
|
|
set(OFFSETS_H_PATH ${PROJECT_BINARY_DIR}/include/generated/offsets.h)
|
|
|
|
add_library( ${OFFSETS_LIB} OBJECT ${OFFSETS_C_PATH})
|
|
target_link_libraries(${OFFSETS_LIB} zephyr_interface)
|
|
add_dependencies( ${OFFSETS_LIB}
|
|
${SYSCALL_LIST_H_TARGET}
|
|
${SYSCALL_MACROS_H_TARGET}
|
|
${DRIVER_VALIDATION_H_TARGET}
|
|
${KOBJ_TYPES_H_TARGET}
|
|
)
|
|
|
|
add_custom_command(
|
|
OUTPUT ${OFFSETS_H_PATH}
|
|
COMMAND ${PYTHON_EXECUTABLE} ${ZEPHYR_BASE}/scripts/gen_offset_header.py
|
|
-i $<TARGET_OBJECTS:${OFFSETS_LIB}>
|
|
-o ${OFFSETS_H_PATH}
|
|
DEPENDS ${OFFSETS_LIB}
|
|
)
|
|
add_custom_target(${OFFSETS_H_TARGET} DEPENDS ${OFFSETS_H_PATH})
|
|
|
|
zephyr_include_directories(${TOOLCHAIN_INCLUDES})
|
|
|
|
zephyr_get_include_directories_for_lang(C ZEPHYR_INCLUDES)
|
|
|
|
add_subdirectory(kernel)
|
|
|
|
# Read list content
|
|
get_property(ZEPHYR_LIBS_PROPERTY GLOBAL PROPERTY ZEPHYR_LIBS)
|
|
|
|
foreach(zephyr_lib ${ZEPHYR_LIBS_PROPERTY})
|
|
# TODO: Could this become an INTERFACE property of zephyr_interface?
|
|
add_dependencies(${zephyr_lib} ${OFFSETS_H_TARGET})
|
|
|
|
# Verify that all (non-imported) libraries have source
|
|
# files. Libraries without source files are not supported because
|
|
# they are an indication that something has been misconfigured.
|
|
get_target_property(lib_imported ${zephyr_lib} IMPORTED)
|
|
get_target_property(lib_sources ${zephyr_lib} SOURCES)
|
|
if(lib_sources STREQUAL lib_sources-NOTFOUND
|
|
AND (NOT (${zephyr_lib} STREQUAL app))
|
|
AND (NOT lib_imported)
|
|
)
|
|
# app is not checked because it's sources are added to it after
|
|
# this CMakeLists.txt file has been processed
|
|
message(FATAL_ERROR "\
|
|
The Zephyr library '${zephyr_lib}' was created without source files. \
|
|
Empty (non-imported) libraries are not supported. \
|
|
Either make sure that the library has the sources it should have, \
|
|
or make sure it is not created when it has no source files.")
|
|
endif()
|
|
endforeach()
|
|
|
|
get_property(OUTPUT_FORMAT GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT)
|
|
|
|
if (CONFIG_CODE_DATA_RELOCATION)
|
|
set(CODE_RELOCATION_DEP code_relocation_source_lib)
|
|
endif() # CONFIG_CODE_DATA_RELOCATION
|
|
|
|
construct_add_custom_command_for_linker_pass(
|
|
linker
|
|
custom_command
|
|
${ALIGN_SIZING_DEP}
|
|
${PRIV_STACK_DEP}
|
|
${APP_SMEM_DEP}
|
|
${CODE_RELOCATION_DEP}
|
|
${OFFSETS_H_TARGET}
|
|
)
|
|
add_custom_command(
|
|
${custom_command}
|
|
)
|
|
|
|
add_custom_target(
|
|
${LINKER_SCRIPT_TARGET}
|
|
DEPENDS
|
|
linker.cmd
|
|
)
|
|
|
|
# Give the '${LINKER_SCRIPT_TARGET}' target all of the include directories so
|
|
# that cmake can successfully find the linker_script's header
|
|
# dependencies.
|
|
zephyr_get_include_directories_for_lang(C
|
|
ZEPHYR_INCLUDE_DIRS
|
|
STRIP_PREFIX # Don't use a -I prefix
|
|
)
|
|
set_property(TARGET
|
|
${LINKER_SCRIPT_TARGET}
|
|
PROPERTY INCLUDE_DIRECTORIES
|
|
${ZEPHYR_INCLUDE_DIRS}
|
|
)
|
|
|
|
set(zephyr_lnk
|
|
${LINKERFLAGPREFIX},-Map=${PROJECT_BINARY_DIR}/${KERNEL_MAP_NAME}
|
|
-u_OffsetAbsSyms
|
|
-u_ConfigAbsSyms
|
|
${LINKERFLAGPREFIX},--whole-archive
|
|
${ZEPHYR_LIBS_PROPERTY}
|
|
${LINKERFLAGPREFIX},--no-whole-archive
|
|
kernel
|
|
$<TARGET_OBJECTS:${OFFSETS_LIB}>
|
|
${LIB_INCLUDE_DIR}
|
|
-L${PROJECT_BINARY_DIR}
|
|
${TOOLCHAIN_LIBS}
|
|
)
|
|
|
|
if(CONFIG_GEN_ISR_TABLES)
|
|
if(CONFIG_GEN_SW_ISR_TABLE)
|
|
list(APPEND GEN_ISR_TABLE_EXTRA_ARG --sw-isr-table)
|
|
endif()
|
|
|
|
if(CONFIG_GEN_IRQ_VECTOR_TABLE)
|
|
list(APPEND GEN_ISR_TABLE_EXTRA_ARG --vector-table)
|
|
endif()
|
|
|
|
# isr_tables.c is generated from ${ZEPHYR_PREBUILT_EXECUTABLE} by
|
|
# gen_isr_tables.py
|
|
add_custom_command(
|
|
OUTPUT isr_tables.c
|
|
COMMAND ${CMAKE_OBJCOPY}
|
|
-I ${OUTPUT_FORMAT}
|
|
-O binary
|
|
--only-section=.intList
|
|
$<TARGET_FILE:${ZEPHYR_PREBUILT_EXECUTABLE}>
|
|
isrList.bin
|
|
COMMAND ${PYTHON_EXECUTABLE}
|
|
${ZEPHYR_BASE}/arch/common/gen_isr_tables.py
|
|
--output-source isr_tables.c
|
|
--kernel $<TARGET_FILE:${ZEPHYR_PREBUILT_EXECUTABLE}>
|
|
--intlist isrList.bin
|
|
$<$<BOOL:${CONFIG_BIG_ENDIAN}>:--big-endian>
|
|
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--debug>
|
|
${GEN_ISR_TABLE_EXTRA_ARG}
|
|
DEPENDS ${ZEPHYR_PREBUILT_EXECUTABLE}
|
|
)
|
|
set_property(GLOBAL APPEND PROPERTY GENERATED_KERNEL_SOURCE_FILES isr_tables.c)
|
|
endif()
|
|
|
|
if(CONFIG_CODE_DATA_RELOCATION)
|
|
set(MEM_RELOCATAION_LD "${PROJECT_BINARY_DIR}/include/generated/linker_relocate.ld")
|
|
set(MEM_RELOCATAION_CODE "${PROJECT_BINARY_DIR}/code_relocation.c")
|
|
|
|
add_custom_command(
|
|
OUTPUT ${MEM_RELOCATAION_CODE} ${MEM_RELOCATAION_LD}
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${ZEPHYR_BASE}/scripts/gen_relocate_app.py
|
|
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
|
|
-d ${APPLICATION_BINARY_DIR}
|
|
-i '$<TARGET_PROPERTY:code_data_relocation_target,COMPILE_DEFINITIONS>'
|
|
-o ${MEM_RELOCATAION_LD}
|
|
-c ${MEM_RELOCATAION_CODE}
|
|
DEPENDS app kernel ${ZEPHYR_LIBS_PROPERTY}
|
|
)
|
|
|
|
add_library(code_relocation_source_lib STATIC ${MEM_RELOCATAION_CODE})
|
|
target_link_libraries(code_relocation_source_lib zephyr_interface)
|
|
|
|
endif()
|
|
|
|
if(CONFIG_USERSPACE)
|
|
zephyr_get_compile_options_for_lang_as_string(C compiler_flags_priv)
|
|
string(REPLACE "-ftest-coverage" "" NO_COVERAGE_FLAGS "${compiler_flags_priv}")
|
|
string(REPLACE "-fprofile-arcs" "" NO_COVERAGE_FLAGS "${NO_COVERAGE_FLAGS}")
|
|
|
|
get_property(include_dir_in_interface TARGET zephyr_interface
|
|
PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
|
|
|
|
get_property(sys_include_dir_in_interface TARGET zephyr_interface
|
|
PROPERTY INTERFACE_SYSTEM_INCLUDE_DIRECTORIES)
|
|
|
|
get_property(compile_definitions_interface TARGET zephyr_interface
|
|
PROPERTY INTERFACE_COMPILE_DEFINITIONS)
|
|
|
|
set(complete_include_dirs ${include_dir_in_interface} ${sys_include_dir_in_interface})
|
|
endif()
|
|
|
|
|
|
if(CONFIG_ARM AND CONFIG_USERSPACE)
|
|
set(GEN_PRIV_STACKS $ENV{ZEPHYR_BASE}/scripts/gen_priv_stacks.py)
|
|
set(PROCESS_PRIV_STACKS_GPERF $ENV{ZEPHYR_BASE}/scripts/process_gperf.py)
|
|
|
|
set(PRIV_STACKS priv_stacks_hash.gperf)
|
|
set(PRIV_STACKS_OUTPUT_SRC_PRE priv_stacks_hash_preprocessed.c)
|
|
set(PRIV_STACKS_OUTPUT_SRC priv_stacks_hash.c)
|
|
set(PRIV_STACKS_OUTPUT_OBJ priv_stacks_hash.c.obj)
|
|
set(PRIV_STACKS_OUTPUT_OBJ_RENAMED priv_stacks_hash_renamed.o)
|
|
|
|
# Essentially what we are doing here is extracting some information
|
|
# out of the nearly finished elf file, generating the source code
|
|
# for a hash table based on that information, and then compiling and
|
|
# linking the hash table back into a now even more nearly finished
|
|
# elf file.
|
|
|
|
# Use the script GEN_PRIV_STACKS to scan the kernel binary's
|
|
# (${ZEPHYR_PREBUILT_EXECUTABLE}) DWARF information to produce a table of kernel
|
|
# objects (PRIV_STACKS) which we will then pass to gperf
|
|
add_custom_command(
|
|
OUTPUT ${PRIV_STACKS}
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${GEN_PRIV_STACKS}
|
|
--kernel $<TARGET_FILE:priv_stacks_prebuilt>
|
|
--output ${PRIV_STACKS}
|
|
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
|
|
DEPENDS priv_stacks_prebuilt
|
|
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
|
|
)
|
|
add_custom_target(priv_stacks DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${PRIV_STACKS})
|
|
|
|
# Use gperf to generate C code (PRIV_STACKS_OUTPUT_SRC_PRE) which implements a
|
|
# perfect hashtable based on PRIV_STACKS
|
|
add_custom_command(
|
|
OUTPUT ${PRIV_STACKS_OUTPUT_SRC_PRE}
|
|
COMMAND
|
|
${GPERF} -C
|
|
--output-file ${PRIV_STACKS_OUTPUT_SRC_PRE}
|
|
${PRIV_STACKS}
|
|
DEPENDS priv_stacks ${PRIV_STACKS}
|
|
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
|
|
)
|
|
add_custom_target(priv_stacks_output_src_pre DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${PRIV_STACKS_OUTPUT_SRC_PRE})
|
|
|
|
# For our purposes the code/data generated by gperf is not optimal.
|
|
#
|
|
# The script PROCESS_GPERF creates a new c file OUTPUT_SRC based on
|
|
# OUTPUT_SRC_PRE to greatly reduce the amount of code/data generated
|
|
# since we know we are always working with pointer values
|
|
add_custom_command(
|
|
OUTPUT ${PRIV_STACKS_OUTPUT_SRC}
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${PROCESS_PRIV_STACKS_GPERF}
|
|
-i ${PRIV_STACKS_OUTPUT_SRC_PRE}
|
|
-o ${PRIV_STACKS_OUTPUT_SRC}
|
|
-p "struct _k_priv_stack_map"
|
|
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
|
|
DEPENDS priv_stacks_output_src_pre ${PRIV_STACKS_OUTPUT_SRC_PRE}
|
|
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
|
|
)
|
|
add_custom_target(priv_stacks_output_src DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${PRIV_STACKS_OUTPUT_SRC})
|
|
|
|
set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${PRIV_STACKS_OUTPUT_SRC}
|
|
PROPERTIES COMPILE_DEFINITIONS "${compile_definitions_interface}")
|
|
|
|
# always compile priv_stacks_hash.c at optimization -Os
|
|
set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${PRIV_STACKS_OUTPUT_SRC}
|
|
PROPERTIES COMPILE_FLAGS
|
|
"${NO_COVERAGE_FLAGS} -Os -fno-function-sections -fno-data-sections ")
|
|
|
|
# We need precise control of where generated text/data ends up in the final
|
|
# kernel image. Disable function/data sections and use objcopy to move
|
|
# generated data into special section names
|
|
add_library(priv_stacks_output_lib STATIC
|
|
${CMAKE_CURRENT_BINARY_DIR}/${PRIV_STACKS_OUTPUT_SRC}
|
|
)
|
|
|
|
# Turn off -ffunction-sections, etc.
|
|
# NB: Using a library instead of target_compile_options(priv_stacks_output_lib
|
|
# [...]) because a library's options have precedence
|
|
add_library(priv_stacks_output_lib_interface INTERFACE)
|
|
foreach(incl ${complete_include_dirs})
|
|
target_include_directories(priv_stacks_output_lib_interface INTERFACE ${incl})
|
|
endforeach()
|
|
|
|
target_link_libraries(priv_stacks_output_lib priv_stacks_output_lib_interface)
|
|
|
|
set(PRIV_STACKS_OUTPUT_OBJ_PATH ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/priv_stacks_output_lib.dir/${PRIV_STACKS_OUTPUT_OBJ})
|
|
|
|
add_custom_command(
|
|
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${PRIV_STACKS_OUTPUT_OBJ_RENAMED}
|
|
COMMAND
|
|
${CMAKE_OBJCOPY}
|
|
--rename-section .bss=.priv_stacks.noinit
|
|
--rename-section .data=.priv_stacks.data
|
|
--rename-section .text=.priv_stacks.text
|
|
--rename-section .rodata=.priv_stacks.rodata
|
|
${PRIV_STACKS_OUTPUT_OBJ_PATH}
|
|
${PRIV_STACKS_OUTPUT_OBJ_RENAMED}
|
|
DEPENDS priv_stacks_output_lib
|
|
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
|
|
)
|
|
add_custom_target(priv_stacks_output_obj_renamed DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${PRIV_STACKS_OUTPUT_OBJ_RENAMED})
|
|
|
|
add_library(priv_stacks_output_obj_renamed_lib STATIC IMPORTED GLOBAL)
|
|
set_property(
|
|
TARGET priv_stacks_output_obj_renamed_lib
|
|
PROPERTY
|
|
IMPORTED_LOCATION ${CMAKE_CURRENT_BINARY_DIR}/${PRIV_STACKS_OUTPUT_OBJ_RENAMED}
|
|
)
|
|
add_dependencies(
|
|
priv_stacks_output_obj_renamed_lib
|
|
priv_stacks_output_obj_renamed
|
|
)
|
|
|
|
set_property(GLOBAL APPEND PROPERTY GENERATED_KERNEL_OBJECT_FILES priv_stacks_output_obj_renamed_lib)
|
|
endif()
|
|
|
|
if(CONFIG_USERSPACE)
|
|
set(GEN_KOBJ_LIST ${ZEPHYR_BASE}/scripts/gen_kobject_list.py)
|
|
set(PROCESS_GPERF ${ZEPHYR_BASE}/scripts/process_gperf.py)
|
|
|
|
set(OBJ_LIST kobject_hash.gperf)
|
|
set(OUTPUT_SRC_PRE kobject_hash_preprocessed.c)
|
|
set(OUTPUT_SRC kobject_hash.c)
|
|
set(OUTPUT_OBJ kobject_hash.c.obj)
|
|
set(OUTPUT_OBJ_RENAMED kobject_hash_renamed.o)
|
|
|
|
# Essentially what we are doing here is extracting some information
|
|
# out of the nearly finished elf file, generating the source code
|
|
# for a hash table based on that information, and then compiling and
|
|
# linking the hash table back into a now even more nearly finished
|
|
# elf file.
|
|
|
|
# Use the script GEN_KOBJ_LIST to scan the kernel binary's
|
|
# (${ZEPHYR_PREBUILT_EXECUTABLE}) DWARF information to produce a table of kernel
|
|
# objects (OBJ_LIST) which we will then pass to gperf
|
|
add_custom_command(
|
|
OUTPUT ${OBJ_LIST}
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${GEN_KOBJ_LIST}
|
|
--kernel $<TARGET_FILE:${ZEPHYR_PREBUILT_EXECUTABLE}>
|
|
--gperf-output ${OBJ_LIST}
|
|
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
|
|
DEPENDS ${ZEPHYR_PREBUILT_EXECUTABLE}
|
|
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
|
|
)
|
|
add_custom_target(obj_list DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${OBJ_LIST})
|
|
|
|
# Use gperf to generate C code (OUTPUT_SRC_PRE) which implements a
|
|
# perfect hashtable based on OBJ_LIST
|
|
add_custom_command(
|
|
OUTPUT ${OUTPUT_SRC_PRE}
|
|
COMMAND
|
|
${GPERF}
|
|
--output-file ${OUTPUT_SRC_PRE}
|
|
${OBJ_LIST}
|
|
DEPENDS obj_list ${OBJ_LIST}
|
|
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
|
|
)
|
|
add_custom_target(output_src_pre DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_SRC_PRE})
|
|
|
|
# For our purposes the code/data generated by gperf is not optimal.
|
|
#
|
|
# The script PROCESS_GPERF creates a new c file OUTPUT_SRC based on
|
|
# OUTPUT_SRC_PRE to greatly reduce the amount of code/data generated
|
|
# since we know we are always working with pointer values
|
|
add_custom_command(
|
|
OUTPUT ${OUTPUT_SRC}
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${PROCESS_GPERF}
|
|
-i ${OUTPUT_SRC_PRE}
|
|
-o ${OUTPUT_SRC}
|
|
-p "struct _k_object"
|
|
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
|
|
DEPENDS output_src_pre ${OUTPUT_SRC_PRE}
|
|
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
|
|
)
|
|
add_custom_target(output_src DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_SRC})
|
|
|
|
# We need precise control of where generated text/data ends up in the final
|
|
# kernel image. Disable function/data sections and use objcopy to move
|
|
# generated data into special section names
|
|
add_library(output_lib STATIC
|
|
${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_SRC}
|
|
)
|
|
|
|
# always compile kobject_hash.c at optimization -Os
|
|
set_source_files_properties(${OUTPUT_SRC} PROPERTIES COMPILE_FLAGS
|
|
"${NO_COVERAGE_FLAGS} -Os -fno-function-sections -fno-data-sections")
|
|
|
|
set_source_files_properties(${OUTPUT_SRC}
|
|
PROPERTIES COMPILE_DEFINITIONS "${compile_definitions_interface}")
|
|
|
|
# Turn off -ffunction-sections, etc.
|
|
# NB: Using a library instead of target_compile_options(output_lib
|
|
# [...]) because a library's options have precedence
|
|
add_library(output_lib_interface INTERFACE)
|
|
|
|
target_link_libraries(output_lib output_lib_interface)
|
|
|
|
foreach(incl ${complete_include_dirs})
|
|
target_include_directories(output_lib_interface INTERFACE ${incl})
|
|
endforeach()
|
|
|
|
|
|
set(OUTPUT_OBJ_PATH ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/output_lib.dir/${OUTPUT_OBJ})
|
|
|
|
add_custom_command(
|
|
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_OBJ_RENAMED}
|
|
COMMAND
|
|
${CMAKE_OBJCOPY}
|
|
--rename-section .data=.kobject_data.data
|
|
--rename-section .text=.kobject_data.text
|
|
--rename-section .rodata=.kobject_data.rodata
|
|
${OUTPUT_OBJ_PATH}
|
|
${OUTPUT_OBJ_RENAMED}
|
|
DEPENDS output_lib
|
|
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
|
|
)
|
|
add_custom_target(output_obj_renamed DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_OBJ_RENAMED})
|
|
|
|
add_library(output_obj_renamed_lib STATIC IMPORTED GLOBAL)
|
|
set_property(
|
|
TARGET output_obj_renamed_lib
|
|
PROPERTY
|
|
IMPORTED_LOCATION ${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_OBJ_RENAMED}
|
|
)
|
|
add_dependencies(
|
|
output_obj_renamed_lib
|
|
output_obj_renamed
|
|
)
|
|
|
|
set_property(GLOBAL APPEND PROPERTY GENERATED_KERNEL_OBJECT_FILES output_obj_renamed_lib)
|
|
endif()
|
|
|
|
# Read global variables into local variables
|
|
get_property(GKOF GLOBAL PROPERTY GENERATED_KERNEL_OBJECT_FILES)
|
|
get_property(GKSF GLOBAL PROPERTY GENERATED_KERNEL_SOURCE_FILES)
|
|
|
|
|
|
get_property(CSTD GLOBAL PROPERTY CSTD)
|
|
set_ifndef(CSTD c99)
|
|
|
|
zephyr_compile_options(
|
|
$<$<COMPILE_LANGUAGE:C>:-std=${CSTD}>
|
|
)
|
|
|
|
configure_file(
|
|
$ENV{ZEPHYR_BASE}/include/arch/arc/v2/app_data_alignment.ld
|
|
${PROJECT_BINARY_DIR}/include/generated/app_data_alignment.ld)
|
|
|
|
configure_file(
|
|
$ENV{ZEPHYR_BASE}/include/arch/arm/cortex_m/scripts/app_smem.ld
|
|
${PROJECT_BINARY_DIR}/include/generated/app_smem.ld)
|
|
|
|
if(CONFIG_APP_SHARED_MEM AND CONFIG_USERSPACE)
|
|
set(APP_SMEM_LD "${PROJECT_BINARY_DIR}/include/generated/app_smem.ld")
|
|
set(OBJ_FILE_DIR "${PROJECT_BINARY_DIR}/../")
|
|
|
|
add_custom_target(
|
|
${APP_SMEM_DEP}
|
|
DEPENDS
|
|
${APP_SMEM_LD}
|
|
)
|
|
|
|
if(CONFIG_NEWLIB_LIBC)
|
|
set(NEWLIB_PART -l libc.a z_newlib_partition)
|
|
endif()
|
|
add_custom_command(
|
|
OUTPUT ${APP_SMEM_LD}
|
|
COMMAND ${PYTHON_EXECUTABLE}
|
|
${ZEPHYR_BASE}/scripts/gen_app_partitions.py
|
|
-d ${OBJ_FILE_DIR}
|
|
-o ${APP_SMEM_LD}
|
|
${NEWLIB_PART}
|
|
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
|
|
DEPENDS
|
|
kernel
|
|
${ZEPHYR_LIBS_PROPERTY}
|
|
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/
|
|
COMMENT "Generating app_smem linker section"
|
|
)
|
|
endif()
|
|
|
|
if(CONFIG_USERSPACE AND CONFIG_ARM)
|
|
construct_add_custom_command_for_linker_pass(
|
|
linker_priv_stacks
|
|
custom_command
|
|
${ALIGN_SIZING_DEP}
|
|
${CODE_RELOCATION_DEP}
|
|
${APP_SMEM_DEP}
|
|
${APP_SMEM_LD}
|
|
${OFFSETS_H_TARGET}
|
|
)
|
|
add_custom_command(
|
|
${custom_command}
|
|
)
|
|
|
|
add_custom_target(
|
|
linker_priv_stacks_script
|
|
DEPENDS
|
|
linker_priv_stacks.cmd
|
|
)
|
|
|
|
set_property(TARGET
|
|
linker_priv_stacks_script
|
|
PROPERTY INCLUDE_DIRECTORIES
|
|
${ZEPHYR_INCLUDE_DIRS}
|
|
)
|
|
|
|
set(PRIV_STACK_LIB priv_stacks_output_obj_renamed_lib)
|
|
add_executable( priv_stacks_prebuilt misc/empty_file.c)
|
|
target_link_libraries(priv_stacks_prebuilt ${TOPT} ${PROJECT_BINARY_DIR}/linker_priv_stacks.cmd ${zephyr_lnk} ${CODE_RELOCATION_DEP})
|
|
set_property(TARGET priv_stacks_prebuilt PROPERTY LINK_DEPENDS ${PROJECT_BINARY_DIR}/linker_priv_stacks.cmd)
|
|
add_dependencies( priv_stacks_prebuilt ${ALIGN_SIZING_DEP} linker_priv_stacks_script ${OFFSETS_LIB})
|
|
endif()
|
|
|
|
# FIXME: Is there any way to get rid of empty_file.c?
|
|
add_executable( ${ZEPHYR_PREBUILT_EXECUTABLE} misc/empty_file.c)
|
|
target_link_libraries(${ZEPHYR_PREBUILT_EXECUTABLE} ${TOPT} ${PROJECT_BINARY_DIR}/linker.cmd ${PRIV_STACK_LIB} ${zephyr_lnk} ${CODE_RELOCATION_DEP})
|
|
set_property(TARGET ${ZEPHYR_PREBUILT_EXECUTABLE} PROPERTY LINK_DEPENDS ${PROJECT_BINARY_DIR}/linker.cmd)
|
|
add_dependencies( ${ZEPHYR_PREBUILT_EXECUTABLE} ${ALIGN_SIZING_DEP} ${PRIV_STACK_DEP} ${LINKER_SCRIPT_TARGET} ${OFFSETS_LIB})
|
|
|
|
|
|
if(GKOF OR GKSF)
|
|
set(KERNEL_ELF kernel_elf)
|
|
set(logical_target_for_zephyr_elf ${KERNEL_ELF})
|
|
|
|
# The second linker pass uses the same source linker script of the
|
|
# first pass (LINKER_SCRIPT), but this time with a different output
|
|
# file and preprocessed with the define LINKER_PASS2.
|
|
construct_add_custom_command_for_linker_pass(
|
|
linker_pass_final
|
|
custom_command
|
|
${ALIGN_SIZING_DEP}
|
|
${PRIV_STACK_DEP}
|
|
${CODE_RELOCATION_DEP}
|
|
${ZEPHYR_PREBUILT_EXECUTABLE}
|
|
${OFFSETS_H_TARGET}
|
|
)
|
|
add_custom_command(
|
|
${custom_command}
|
|
)
|
|
|
|
set(LINKER_PASS_FINAL_SCRIPT_TARGET linker_pass_final_script_target)
|
|
add_custom_target(
|
|
${LINKER_PASS_FINAL_SCRIPT_TARGET}
|
|
DEPENDS
|
|
linker_pass_final.cmd
|
|
)
|
|
set_property(TARGET
|
|
${LINKER_PASS_FINAL_SCRIPT_TARGET}
|
|
PROPERTY INCLUDE_DIRECTORIES
|
|
${ZEPHYR_INCLUDE_DIRS}
|
|
)
|
|
|
|
add_executable( ${KERNEL_ELF} misc/empty_file.c ${GKSF})
|
|
target_link_libraries(${KERNEL_ELF} ${GKOF} ${TOPT} ${PROJECT_BINARY_DIR}/linker_pass_final.cmd ${zephyr_lnk} ${CODE_RELOCATION_DEP})
|
|
set_property(TARGET ${KERNEL_ELF} PROPERTY LINK_DEPENDS ${PROJECT_BINARY_DIR}/linker_pass_final.cmd)
|
|
add_dependencies( ${KERNEL_ELF} ${ALIGN_SIZING_DEP} ${PRIV_STACK_DEP} ${LINKER_PASS_FINAL_SCRIPT_TARGET})
|
|
else()
|
|
set(logical_target_for_zephyr_elf ${ZEPHYR_PREBUILT_EXECUTABLE})
|
|
# Use the prebuilt elf as the final elf since we don't have a
|
|
# generation stage.
|
|
endif()
|
|
|
|
# Export the variable to the application's scope to allow the
|
|
# application to know what the name of the final elf target is.
|
|
set(logical_target_for_zephyr_elf ${logical_target_for_zephyr_elf} PARENT_SCOPE)
|
|
|
|
# To avoid having the same logical target name for the zephyr lib and
|
|
# the zephyr elf, we set the kernel_elf file name to zephyr.elf.
|
|
set_target_properties(${logical_target_for_zephyr_elf} PROPERTIES OUTPUT_NAME ${KERNEL_NAME})
|
|
|
|
set(post_build_commands "")
|
|
|
|
list_append_ifdef(CONFIG_CHECK_LINK_MAP
|
|
post_build_commands
|
|
COMMAND ${PYTHON_EXECUTABLE} ${ZEPHYR_BASE}/scripts/check_link_map.py ${KERNEL_MAP_NAME}
|
|
)
|
|
|
|
if(NOT CONFIG_BUILD_NO_GAP_FILL)
|
|
# Use ';' as separator to get proper space in resulting command.
|
|
set(GAP_FILL "--gap-fill;0xff")
|
|
endif()
|
|
|
|
list_append_ifdef(
|
|
CONFIG_BUILD_OUTPUT_HEX
|
|
post_build_commands
|
|
COMMAND ${CMAKE_OBJCOPY} -S -Oihex ${GAP_FILL} -R .comment -R COMMON -R .eh_frame ${KERNEL_ELF_NAME} ${KERNEL_HEX_NAME}
|
|
)
|
|
|
|
list_append_ifdef(
|
|
CONFIG_BUILD_OUTPUT_BIN
|
|
post_build_commands
|
|
COMMAND ${CMAKE_OBJCOPY} -S -Obinary ${GAP_FILL} -R .comment -R COMMON -R .eh_frame ${KERNEL_ELF_NAME} ${KERNEL_BIN_NAME}
|
|
)
|
|
|
|
list_append_ifdef(
|
|
CONFIG_BUILD_OUTPUT_S19
|
|
post_build_commands
|
|
COMMAND ${CMAKE_OBJCOPY} ${GAP_FILL} --srec-len 1 --output-target=srec ${KERNEL_ELF_NAME} ${KERNEL_S19_NAME}
|
|
)
|
|
|
|
list_append_ifdef(
|
|
CONFIG_OUTPUT_DISASSEMBLY
|
|
post_build_commands
|
|
COMMAND ${CMAKE_OBJDUMP} -S ${KERNEL_ELF_NAME} > ${KERNEL_LST_NAME}
|
|
)
|
|
|
|
list_append_ifdef(
|
|
CONFIG_OUTPUT_STAT
|
|
post_build_commands
|
|
COMMAND ${CMAKE_READELF} -e ${KERNEL_ELF_NAME} > ${KERNEL_STAT_NAME}
|
|
)
|
|
|
|
list_append_ifdef(
|
|
CONFIG_BUILD_OUTPUT_STRIPPED
|
|
post_build_commands
|
|
COMMAND ${CMAKE_STRIP} --strip-all ${KERNEL_ELF_NAME} -o ${KERNEL_STRIP_NAME}
|
|
)
|
|
|
|
list_append_ifdef(
|
|
CONFIG_BUILD_OUTPUT_EXE
|
|
post_build_commands
|
|
COMMAND ${CMAKE_COMMAND} -E copy ${KERNEL_ELF_NAME} ${KERNEL_EXE_NAME}
|
|
)
|
|
|
|
get_property(extra_post_build_commands
|
|
GLOBAL PROPERTY
|
|
extra_post_build_commands
|
|
)
|
|
|
|
list(APPEND
|
|
post_build_commands
|
|
${extra_post_build_commands}
|
|
)
|
|
|
|
add_custom_command(
|
|
TARGET ${logical_target_for_zephyr_elf}
|
|
POST_BUILD
|
|
${post_build_commands}
|
|
COMMENT "Generating files from zephyr.elf for board: ${BOARD}"
|
|
# NB: COMMENT only works for some CMake-Generators
|
|
)
|
|
|
|
# To populate with hex files to merge, do the following:
|
|
# set_property(GLOBAL APPEND PROPERTY HEX_FILES_TO_MERGE ${my_local_list})
|
|
# Note that the zephyr.hex file will not be included automatically.
|
|
get_property(HEX_FILES_TO_MERGE GLOBAL PROPERTY HEX_FILES_TO_MERGE)
|
|
if(HEX_FILES_TO_MERGE)
|
|
# Merge in out-of-tree hex files.
|
|
set(MERGED_HEX_NAME merged.hex)
|
|
|
|
add_custom_command(
|
|
OUTPUT ${MERGED_HEX_NAME}
|
|
COMMAND
|
|
${PYTHON_EXECUTABLE}
|
|
${ZEPHYR_BASE}/scripts/mergehex.py
|
|
-o ${MERGED_HEX_NAME}
|
|
${HEX_FILES_TO_MERGE}
|
|
DEPENDS ${HEX_FILES_TO_MERGE} ${logical_target_for_zephyr_elf}
|
|
)
|
|
|
|
add_custom_target(mergehex ALL DEPENDS ${MERGED_HEX_NAME})
|
|
list(APPEND FLASH_DEPS mergehex)
|
|
endif()
|
|
|
|
if(CONFIG_OUTPUT_PRINT_MEMORY_USAGE)
|
|
# Use --print-memory-usage with the first link.
|
|
#
|
|
# Don't use this option with the second link because seeing it twice
|
|
# could confuse users and using it on the second link would suppress
|
|
# it when the first link has a ram/flash-usage issue.
|
|
set(option ${LINKERFLAGPREFIX},--print-memory-usage)
|
|
string(MAKE_C_IDENTIFIER check${option} check)
|
|
|
|
set(SAVED_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
|
|
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${option}")
|
|
zephyr_check_compiler_flag(C "" ${check})
|
|
set(CMAKE_REQUIRED_FLAGS ${SAVED_CMAKE_REQUIRED_FLAGS})
|
|
|
|
target_link_libraries_ifdef(${check} ${ZEPHYR_PREBUILT_EXECUTABLE} ${option})
|
|
endif()
|
|
|
|
if(EMU_PLATFORM)
|
|
include(${ZEPHYR_BASE}/cmake/emu/${EMU_PLATFORM}.cmake)
|
|
else()
|
|
add_custom_target(run
|
|
COMMAND
|
|
${CMAKE_COMMAND} -E echo
|
|
"==================================================="
|
|
"Emulation/Simulation not supported with this board."
|
|
"==================================================="
|
|
)
|
|
endif()
|
|
|
|
add_subdirectory(cmake/flash)
|
|
add_subdirectory(cmake/usage)
|
|
add_subdirectory(cmake/reports)
|
|
|
|
if(CONFIG_ASSERT AND (NOT CONFIG_FORCE_NO_ASSERT))
|
|
message(WARNING "
|
|
------------------------------------------------------------
|
|
--- WARNING: __ASSERT() statements are globally ENABLED ---
|
|
--- The kernel will run more slowly and use more memory ---
|
|
------------------------------------------------------------"
|
|
)
|
|
endif()
|
|
|
|
if(CONFIG_BOARD_DEPRECATED)
|
|
message(WARNING "
|
|
WARNING: The board '${BOARD}' is deprecated and will be
|
|
removed in version ${CONFIG_BOARD_DEPRECATED}"
|
|
)
|
|
endif()
|
|
|
|
if(CONFIG_X86 AND CONFIG_USERSPACE AND NOT CONFIG_X86_NO_MELTDOWN)
|
|
message(WARNING "
|
|
WARNING: You have enabled CONFIG_USERSPACE on an x86-based target.
|
|
If your CPU is vulnerable to the Meltdown CPU bug, security of
|
|
supervisor-only memory pages is not guaranteed. This version of Zephyr
|
|
does not contain a fix for this issue."
|
|
)
|
|
endif()
|