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robamurobamu
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added cmake files
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‎RTEMSConfig.cmake‎

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########################################
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# General RTEMS configuration
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########################################
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# This function performs the generic RTEMS configuration. It expects
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# following arguments:
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# 1. Target/executable name
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# 2. RTEMS installation prefix, path where the RTEMS toolchain is installed
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# 3. RTEMS BSP, which consists generally has the format <Architecture>/<BSP>
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function(rtems_general_config TARGET_NAME RTEMS_INST RTEMS_BSP)
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include(RTEMSGeneric.cmake)
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rtems_generic_config(${TARGET_NAME} ${RTEMS_INST} ${RTEMS_BSP})
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# Not an ideal solution but it will do for now because the number of
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# variables which need to be propagated to the upper most CMakeLists.txt
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# should not become too high.
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if(NOT ${CMAKE_SYSTEM_PROCESSOR} STREQUAL ${CMAKE_HOST_SYSTEM_PROCESSOR})
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set(CMAKE_SYSTEM_PROCESSOR ${CMAKE_SYSTEM_PROCESSOR} PARENT_SCOPE)
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endif()
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set(CMAKE_C_COMPILER ${CMAKE_C_COMPILER} PARENT_SCOPE)
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set(CMAKE_CXX_COMPILER ${CMAKE_CXX_COMPILER} PARENT_SCOPE)
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set(CMAKE_ASM_COMPILER ${CMAKE_ASM_COMPILER} PARENT_SCOPE)
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set(CMAKE_LINKER ${CMAKE_LINKER} PARENT_SCOPE)
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include(RTEMSHardware.cmake)
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rtems_hw_config(${TARGET_NAME} ${RTEMS_INST} ${RTEMS_BSP})
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# No propagation necessary here because we can use target specific settings.
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endfunction()

‎RTEMSGeneric.cmake‎

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################################################################################
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# Generic RTEMS configuration
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################################################################################
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# This function performs the generic RTEMS configuration. It expects
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# following arguments:
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# 1. Target/executable name
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# 2. RTEMS installation prefix, path where the RTEMS toolchain is installed
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# 3. RTEMS BSP, which consists generally has the format <Architecture>/<BSP>
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function(rtems_generic_config TARGET_NAME RTEMS_INST RTEMS_BSP)
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set(RTEMS_VERSION "" CACHE STRING "RTEMS version")
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message(STATUS "Setting up and checking RTEMS cross compile configuration..")
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if (RTEMS_INST STREQUAL "")
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message(FATAL_ERROR "RTEMS toolchain path has to be specified!")
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endif()
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if(RTEMS_VERSION STREQUAL "")
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message(STATUS "No RTEMS_VERSION supplied.")
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message(STATUS "Autodetermining version from prefix ${RTEMS_INST} ..")
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string(REGEX MATCH [0-9]+$ RTEMS_VERSION "${RTEMS_INST}")
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message(STATUS "Version ${RTEMS_VERSION} found")
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endif()
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string(REPLACE "/" ";" RTEMS_BSP_LIST_SEPARATED ${RTEMS_BSP})
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list(LENGTH RTEMS_BSP_LIST_SEPARATED BSP_LIST_SIZE)
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if(NOT ${BSP_LIST_SIZE} EQUAL 2)
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message(FATAL_ERROR "Supplied RTEMS_BSP variable invalid. Make sure to provide a slash separated string")
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endif()
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list(GET RTEMS_BSP_LIST_SEPARATED 0 RTEMS_ARCH_NAME)
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list(GET RTEMS_BSP_LIST_SEPARATED 1 RTEMS_BSP_NAME)
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set(RTEMS_ARCH_TOOLS "${RTEMS_ARCH_NAME}-rtems${RTEMS_VERSION}")
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if(IS_DIRECTORY "${RTEMS_INST}/${RTEMS_ARCH_TOOLS}")
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set(RTEMS_BSP_LIB_PATH "${RTEMS_INST}/${RTEMS_ARCH_TOOLS}/${RTEMS_BSP_NAME}/lib")
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if(NOT IS_DIRECTORY "${RTEMS_BSP_LIB_PATH}")
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message(FATAL_ERROR "RTEMS BSP lib folder not found at ${RTEMS_BSP_LIB_PATH}")
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endif()
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set(RTEMS_BSP_INC_PATH "${RTEMS_BSP_LIB_PATH}/include")
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if(NOT IS_DIRECTORY "${RTEMS_BSP_INC_PATH}")
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message(FATAL_ERROR "RTEMS BSP include folder not found at ${RTEMS_BSP_INC_PATH}")
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endif()
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else()
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message(FATAL_ERROR "RTEMS Architecure folder not found at ${RTEMS_INST}/${RTEMS_ARCH_TOOLS}")
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endif()
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################################################################################
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# Checking the toolchain
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################################################################################
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message(STATUS "Checking for RTEMS binaries folder..")
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set(RTEMS_BIN_PATH "${RTEMS_INST}/bin")
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if(NOT IS_DIRECTORY "${RTEMS_BIN_PATH}")
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message(FATAL_ERROR "RTEMS binaries folder not found at ${RTEMS_INST}/bin")
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endif()
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message(STATUS "Checking for RTEMS gcc..")
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set(RTEMS_GCC "${RTEMS_BIN_PATH}/${RTEMS_ARCH_TOOLS}-gcc")
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if(NOT EXISTS "${RTEMS_GCC}")
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message(FATAL_ERROR "RTEMS gcc compiler not found at ${RTEMS_BIN_PATH}/${RTEMS_ARCH_TOOLS}-gcc")
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endif()
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message(STATUS "Checking for RTEMS g++..")
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set(RTEMS_GXX "${RTEMS_BIN_PATH}/${RTEMS_ARCH_TOOLS}-g++")
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if(NOT EXISTS "${RTEMS_GXX}")
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message(FATAL_ERROR "RTEMS g++ compiler not found at ${RTEMS_BIN_PATH}/${RTEMS_ARCH_TOOLS}-g++")
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endif()
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message(STATUS "Checking for RTEMS assembler..")
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set(RTEMS_ASM "${RTEMS_BIN_PATH}/${RTEMS_ARCH_TOOLS}-as")
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if(NOT EXISTS "${RTEMS_GXX}")
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message(FATAL_ERROR "RTEMS as compiler not found at ${RTEMS_BIN_PATH}/${RTEMS_ARCH_TOOLS}-as")
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endif()
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message(STATUS "Checking for RTEMS linker..")
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set(RTEMS_LINKER "${RTEMS_BIN_PATH}/${RTEMS_ARCH_TOOLS}-ld")
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if(NOT EXISTS "${RTEMS_LINKER}")
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message(FATAL_ERROR "RTEMS ld linker not found at ${RTEMS_BIN_PATH}/${RTEMS_ARCH_TOOLS}-ld")
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endif()
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message(STATUS "Checking done")
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############################################
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# Info output
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###########################################
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message(STATUS "RTEMS Version: ${RTEMS_VERSION}")
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message(STATUS "RTEMS installation path: ${RTEMS_INST}")
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message(STATUS "RTEMS Architecture tools path: ${RTEMS_ARCH_TOOLS}")
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message(STATUS "RTEMS BSP: ${RTEMS_BSP}")
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message(STATUS "RTEMS BSP LIB path: ${RTEMS_BSP_LIB_PATH}")
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message(STATUS "RTEMS BSP INC path: ${RTEMS_BSP_INC_PATH}")
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message(STATUS "RTEMS gcc compiler: ${RTEMS_GCC}")
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message(STATUS "RTEMS g++ compiler: ${RTEMS_GXX}")
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message(STATUS "RTEMS assembler: ${RTEMS_ASM}")
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message(STATUS "RTEMS linker: ${RTEMS_LINKER}")
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if(${RTEMS_ARCH_NAME} STREQUAL "arm")
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set(CMAKE_SYSTEM_PROCESSOR arm PARENT_SCOPE)
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endif()
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target_link_directories(${TARGET_NAME} PUBLIC
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${RTEMS_BSP_LIB_PATH})
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target_include_directories(${TARGET_NAME} PUBLIC
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${RTEMS_BSP_INC_PATH})
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###############################################################################
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# Setting variables in upper scope (only the upper scope!)
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###############################################################################
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set(CMAKE_C_COMPILER ${RTEMS_GCC} PARENT_SCOPE)
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set(CMAKE_CXX_COMPILER ${RTEMS_GXX} PARENT_SCOPE)
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set(CMAKE_ASM_COMPILER ${RTEMS_ASM} PARENT_SCOPE)
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set(CMAKE_LINKER ${RTEMS_LINKER} PARENT_SCOPE)
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endfunction()

‎RTEMSHardware.cmake‎

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########################################
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# Hardware dependent configuration
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########################################
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# This function performs the hardware dependant RTEMS configuration. It expects
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# following arguments:
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# 1. Target/executable name
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# 2. RTEMS installation prefix, path where the RTEMS toolchain is installed
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# 3. RTEMS BSP, which consists generally has the format <Architecture>/<BSP>
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function(rtems_hw_config TARGET_NAME RTEMS_INST RTEMS_BSP)
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if(RTEMS_BSP STREQUAL "arm/stm32h7")
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target_compile_options(${TARGET_NAME} PUBLIC
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-mthumb
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-mcpu=cortex-m7
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-mfpu=fpv5-d16
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-mfloat-abi=hard
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)
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target_link_options(${TARGET_NAME} BEFORE PUBLIC
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-mthumb
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-mcpu=cortex-m7
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-mfpu=fpv5-d16
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-mfloat-abi=hard
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)
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target_link_options(${TARGET_NAME} PUBLIC
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-Wl,--gc-sections
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-Wl,-Bstatic
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-Wl,-Bdynamic
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-qrtems
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)
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endif()
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endfunction()

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