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# - This module defines variables and macros required to build eCos application.
# This file contains the following macros:
# ECOS_ADD_INCLUDE_DIRECTORIES() - add the eCos include dirs
# ECOS_ADD_EXECUTABLE(name source1 ... sourceN ) - create an eCos executable
# ECOS_ADJUST_DIRECTORY(VAR source1 ... sourceN ) - adjusts the path of the source files and puts the result into VAR
#
# Macros for selecting the toolchain:
# ECOS_USE_ARM_ELF_TOOLS() - enable the ARM ELF toolchain for the directory where it is called
# ECOS_USE_I386_ELF_TOOLS() - enable the i386 ELF toolchain for the directory where it is called
# ECOS_USE_PPC_EABI_TOOLS() - enable the PowerPC toolchain for the directory where it is called
#
# It contains the following variables:
# ECOS_DEFINITIONS
# ECOSCONFIG_EXECUTABLE
# ECOS_CONFIG_FILE - defaults to ecos.ecc, if your eCos configuration file has a different name, adjust this variable
# for internal use only:
# ECOS_ADD_TARGET_LIB
#=============================================================================
# Copyright 2006-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# first check that ecosconfig is available
find_program(ECOSCONFIG_EXECUTABLE NAMES ecosconfig)
if(NOT ECOSCONFIG_EXECUTABLE)
message(SEND_ERROR "ecosconfig was not found. Either include it in the system path or set it manually using ccmake.")
else()
message(STATUS "Found ecosconfig: ${ECOSCONFIG_EXECUTABLE}")
endif()
# check that ECOS_REPOSITORY is set correctly
if (NOT EXISTS $ENV{ECOS_REPOSITORY}/ecos.db)
message(SEND_ERROR "The environment variable ECOS_REPOSITORY is not set correctly. Set it to the directory which contains the file ecos.db")
else ()
message(STATUS "ECOS_REPOSITORY is set to $ENV{ECOS_REPOSITORY}")
endif ()
# check that tclsh (coming with TCL) is available, otherwise ecosconfig doesn't work
find_package(Tclsh)
if (NOT TCL_TCLSH)
message(SEND_ERROR "The TCL tclsh was not found. Please install TCL, it is required for building eCos applications.")
else ()
message(STATUS "tlcsh found: ${TCL_TCLSH}")
endif ()
#add the globale include-diretories
#usage: ECOS_ADD_INCLUDE_DIRECTORIES()
macro(ECOS_ADD_INCLUDE_DIRECTORIES)
#check for ProjectSources.txt one level higher
if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../ProjectSources.txt)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../)
else ()
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/)
endif ()
#the ecos include directory
include_directories(${CMAKE_CURRENT_BINARY_DIR}/ecos/install/include/)
endmacro()
#we want to compile for the xscale processor, in this case the following macro has to be called
#usage: ECOS_USE_ARM_ELF_TOOLS()
macro (ECOS_USE_ARM_ELF_TOOLS)
set(CMAKE_CXX_COMPILER "arm-elf-c++")
set(CMAKE_COMPILER_IS_GNUCXX 1)
set(CMAKE_C_COMPILER "arm-elf-gcc")
set(CMAKE_AR "arm-elf-ar")
set(CMAKE_RANLIB "arm-elf-ranlib")
#for linking
set(ECOS_LD_MCPU "-mcpu=xscale")
#for compiling
add_definitions(-mcpu=xscale -mapcs-frame)
#for the obj-tools
set(ECOS_ARCH_PREFIX "arm-elf-")
endmacro ()
#usage: ECOS_USE_PPC_EABI_TOOLS()
macro (ECOS_USE_PPC_EABI_TOOLS)
set(CMAKE_CXX_COMPILER "powerpc-eabi-c++")
set(CMAKE_COMPILER_IS_GNUCXX 1)
set(CMAKE_C_COMPILER "powerpc-eabi-gcc")
set(CMAKE_AR "powerpc-eabi-ar")
set(CMAKE_RANLIB "powerpc-eabi-ranlib")
#for linking
set(ECOS_LD_MCPU "")
#for compiling
add_definitions()
#for the obj-tools
set(ECOS_ARCH_PREFIX "powerpc-eabi-")
endmacro ()
#usage: ECOS_USE_I386_ELF_TOOLS()
macro (ECOS_USE_I386_ELF_TOOLS)
set(CMAKE_CXX_COMPILER "i386-elf-c++")
set(CMAKE_COMPILER_IS_GNUCXX 1)
set(CMAKE_C_COMPILER "i386-elf-gcc")
set(CMAKE_AR "i386-elf-ar")
set(CMAKE_RANLIB "i386-elf-ranlib")
#for linking
set(ECOS_LD_MCPU "")
#for compiling
add_definitions()
#for the obj-tools
set(ECOS_ARCH_PREFIX "i386-elf-")
endmacro ()
#since the actual sources are located one level upwards
#a "../" has to be prepended in front of every source file
#call the following macro to achieve this, the first parameter
#is the name of the new list of source files with adjusted paths,
#followed by all source files
#usage: ECOS_ADJUST_DIRECTORY(adjusted_SRCS ${my_srcs})
macro(ECOS_ADJUST_DIRECTORY _target_FILES )
foreach (_current_FILE ${ARGN})
get_filename_component(_abs_FILE ${_current_FILE} ABSOLUTE)
if (NOT ${_abs_FILE} STREQUAL ${_current_FILE})
get_filename_component(_abs_FILE ${CMAKE_CURRENT_SOURCE_DIR}/../${_current_FILE} ABSOLUTE)
endif ()
list(APPEND ${_target_FILES} ${_abs_FILE})
endforeach ()
endmacro()
# the default ecos config file name
# maybe in the future also out-of-source builds may be possible
set(ECOS_CONFIG_FILE ecos.ecc)
#creates the dependancy from all source files on the ecos target.ld,
#adds the command for compiling ecos
macro(ECOS_ADD_TARGET_LIB)
# when building out-of-source, create the ecos/ subdir
if(NOT EXISTS ${CMAKE_CURRENT_BINARY_DIR}/ecos)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/ecos)
endif()
#sources depend on target.ld
set_source_files_properties(
${ARGN}
PROPERTIES
OBJECT_DEPENDS
${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib/target.ld
)
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib/target.ld
COMMAND sh -c \"make -C ${CMAKE_CURRENT_BINARY_DIR}/ecos || exit -1\; if [ -e ${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib/target.ld ] \; then touch ${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib/target.ld\; fi\"
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/ecos/makefile
)
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/ecos/makefile
COMMAND sh -c \" cd ${CMAKE_CURRENT_BINARY_DIR}/ecos\; ${ECOSCONFIG_EXECUTABLE} --config=${CMAKE_CURRENT_SOURCE_DIR}/ecos/${ECOS_CONFIG_FILE} tree || exit -1\;\"
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/ecos/${ECOS_CONFIG_FILE}
)
add_custom_target( ecos make -C ${CMAKE_CURRENT_BINARY_DIR}/ecos/ DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/ecos/makefile )
endmacro()
# get the directory of the current file, used later on in the file
get_filename_component( ECOS_CMAKE_MODULE_DIR ${CMAKE_CURRENT_LIST_FILE} PATH)
#macro for creating an executable ecos application
#the first parameter is the name of the executable,
#the second is the list of all source files (where the path
#has been adjusted beforehand by calling ECOS_ADJUST_DIRECTORY()
#usage: ECOS_ADD_EXECUTABLE(my_app ${adjusted_SRCS})
macro(ECOS_ADD_EXECUTABLE _exe_NAME )
#definitions, valid for all ecos projects
#the optimization and "-g" for debugging has to be enabled
#in the project-specific CMakeLists.txt
add_definitions(-D__ECOS__=1 -D__ECOS=1)
set(ECOS_DEFINITIONS -Wall -Wno-long-long -pipe -fno-builtin)
#the executable depends on ecos target.ld
ECOS_ADD_TARGET_LIB(${ARGN})
# when using nmake makefiles, the custom buildtype supresses the default cl.exe flags
# and the rules for creating objects are adjusted for gcc
set(CMAKE_BUILD_TYPE CUSTOM_ECOS_BUILD)
set(CMAKE_C_COMPILE_OBJECT "<CMAKE_C_COMPILER> <FLAGS> -o <OBJECT> -c <SOURCE>")
set(CMAKE_CXX_COMPILE_OBJECT "<CMAKE_CXX_COMPILER> <FLAGS> -o <OBJECT> -c <SOURCE>")
# special link commands for ecos-executables
set(CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <OBJECTS> -o <TARGET> ${_ecos_EXTRA_LIBS} -nostdlib -nostartfiles -L${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib -Ttarget.ld ${ECOS_LD_MCPU}")
set(CMAKE_C_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <OBJECTS> -o <TARGET> ${_ecos_EXTRA_LIBS} -nostdlib -nostartfiles -L${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib -Ttarget.ld ${ECOS_LD_MCPU}")
# some strict compiler flags
set (CMAKE_C_FLAGS "-Wstrict-prototypes")
set (CMAKE_CXX_FLAGS "-Woverloaded-virtual -fno-rtti -Wctor-dtor-privacy -fno-strict-aliasing -fno-exceptions")
add_executable(${_exe_NAME} ${ARGN})
set_target_properties(${_exe_NAME} PROPERTIES SUFFIX ".elf")
#create a binary file
add_custom_command(
TARGET ${_exe_NAME}
POST_BUILD
COMMAND ${ECOS_ARCH_PREFIX}objcopy
ARGS -O binary ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.elf ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.bin
)
#and an srec file
add_custom_command(
TARGET ${_exe_NAME}
POST_BUILD
COMMAND ${ECOS_ARCH_PREFIX}objcopy
ARGS -O srec ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.elf ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.srec
)
#add the created files to the clean-files
set_directory_properties(
PROPERTIES
ADDITIONAL_MAKE_CLEAN_FILES "${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.bin;${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.srec;${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst;"
)
add_custom_target(ecosclean ${CMAKE_COMMAND} -DECOS_DIR=${CMAKE_CURRENT_BINARY_DIR}/ecos/ -P ${ECOS_CMAKE_MODULE_DIR}/ecos_clean.cmake )
add_custom_target(normalclean ${CMAKE_MAKE_PROGRAM} clean WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
add_dependencies (ecosclean normalclean)
add_custom_target( listing
COMMAND echo -e \"\\n--- Symbols sorted by address ---\\n\" > ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst
COMMAND ${ECOS_ARCH_PREFIX}nm -S -C -n ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.elf >> ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst
COMMAND echo -e \"\\n--- Symbols sorted by size ---\\n\" >> ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst
COMMAND ${ECOS_ARCH_PREFIX}nm -S -C -r --size-sort ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.elf >> ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst
COMMAND echo -e \"\\n--- Full assembly listing ---\\n\" >> ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst
COMMAND ${ECOS_ARCH_PREFIX}objdump -S -x -d -C ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.elf >> ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst )
endmacro()
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