Enrico Fraccaroli
159 lines
6.9 KiB
CMake
159 lines
6.9 KiB
CMake
# =============================================================================
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# Set the minimum required version of cmake.
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cmake_minimum_required(VERSION 2.8)
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# Initialize the project.
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project(MentOs)
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# =============================================================================
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# Set the default build type to Debug.
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if(NOT CMAKE_BUILD_TYPE)
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message(STATUS "Setting build type to 'Debug' as none was specified.")
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set(CMAKE_BUILD_TYPE
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"Debug"
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CACHE STRING "Choose the type of build." FORCE)
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endif()
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# =============================================================================
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# Add operating system specific option.
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message(STATUS "Crosscompiling : ${CMAKE_CROSSCOMPILING}")
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message(STATUS "System name : ${CMAKE_HOST_SYSTEM_NAME}")
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message(STATUS "Kernel version : ${CMAKE_SYSTEM_VERSION}")
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if((${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Darwin") OR APPLE)
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# Set the Apple MacOSx compilers.
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if(CMAKE_VERSION VERSION_LESS "3.6.0")
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include(CMakeForceCompiler)
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cmake_force_c_compiler(i386-elf-gcc Clang)
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cmake_force_cxx_compiler(i386-elf-g++ Clang)
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else()
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set(CMAKE_C_COMPILER i386-elf-gcc)
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set(CMAKE_CXX_COMPILER i386-elf-g++)
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set(CMAKE_AR i386-elf-ar)
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endif()
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# Speicfy the linker.
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set(CMAKE_LINKER i386-elf-ld)
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# Specify the linker flags.
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -nostdlib")
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elseif((${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Windows") OR WIN32)
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# Windows set(EMULATOR_FLAGS ${EMULATOR_FLAGS} -sdl)
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else()
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# Generic Unix System
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find_program(LSB_RELEASE_EXEC lsb_release)
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execute_process(
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COMMAND "${LSB_RELEASE_EXEC}" --short --release
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OUTPUT_VARIABLE LSB_RELEASE_VERSION_SHORT
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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message(STATUS "LSB version : ${LSB_RELEASE_VERSION_SHORT}")
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if(${LSB_RELEASE_VERSION_SHORT} MATCHES "^18")
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# Ubuntu 18 set(EMULATOR_FLAGS ${EMULATOR_FLAGS} -sdl)
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elseif(${LSB_RELEASE_VERSION_SHORT} MATCHES "^19")
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# Ubuntu 19
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set(EMULATOR_FLAGS ${EMULATOR_FLAGS} -display gtk)
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elseif(${LSB_RELEASE_VERSION_SHORT} MATCHES "^20")
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# Ubuntu 20
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set(EMULATOR_FLAGS ${EMULATOR_FLAGS} -display gtk)
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else()
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# set(EMULATOR_FLAGS ${EMULATOR_FLAGS} -sdl)
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endif()
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endif()
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# =============================================================================
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# Add the debugging option.
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set(DEBUGGING_TYPE
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"DEBUG_STDIO"
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CACHE STRING "Chose the type of debugging: DEBUG_STDIO DEBUG_LOG")
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set_property(CACHE DEBUGGING_TYPE PROPERTY STRINGS DEBUG_STDIO DEBUG_LOG)
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if("${DEBUGGING_TYPE}" STREQUAL "DEBUG_STDIO" OR "${DEBUGGING_TYPE}" STREQUAL "DEBUG_LOG")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D${DEBUGGING_TYPE}")
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message(STATUS "Setting debugging type to ${DEBUGGING_TYPE}.")
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else()
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message(FATAL_ERROR "Debugging type ${DEBUGGING_TYPE} is not valid.")
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endif()
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# =============================================================================
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# Add the sub-directories.
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add_subdirectory(programs)
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add_subdirectory(programs/tests)
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add_subdirectory(mentos)
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add_subdirectory(initscp)
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add_subdirectory(libc)
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add_subdirectory(doc/doxygen)
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# =============================================================================
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# Target to generate the initrd filesystem.
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add_custom_target(
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initrd
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COMMAND echo "---------------------------------------------"
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COMMAND echo "Initializing 'initrd'..."
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COMMAND echo "---------------------------------------------"
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COMMAND initfscp -s ${CMAKE_SOURCE_DIR}/files -t ${CMAKE_BINARY_DIR}/initrd -m /dev
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COMMAND echo "---------------------------------------------"
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COMMAND echo "Done!"
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COMMAND echo "---------------------------------------------"
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DEPENDS initfscp
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DEPENDS all_programs all_tests)
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# =============================================================================
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# Update GDB symbol file.
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add_custom_target(
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gdb_file
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COMMAND echo "symbol-file ${CMAKE_BINARY_DIR}/mentos/kernel-bootloader.bin" >> ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND echo "exec-file ${CMAKE_BINARY_DIR}/mentos/kernel-bootloader.bin" >> ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND bash ${CMAKE_SOURCE_DIR}/scripts/get_text_address.sh ${CMAKE_BINARY_DIR}/mentos/kernel.bin > ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND bash ${CMAKE_SOURCE_DIR}/scripts/get_text_address.sh ${CMAKE_BINARY_DIR}/mentos/kernel-bootloader.bin >> ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND bash ${CMAKE_SOURCE_DIR}/scripts/get_text_address.sh ${CMAKE_BINARY_DIR}/programs/tests/test_* >> ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND bash ${CMAKE_SOURCE_DIR}/scripts/get_text_address.sh ${CMAKE_BINARY_DIR}/programs/prog_* >> ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND echo "break boot.c: boot_main" >> ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND echo "break kernel.c: kmain" >> ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND echo "target remote localhost:1234" >> ${CMAKE_BINARY_DIR}/.gdbinit
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DEPENDS ${PROJECT_NAME}_bootloader
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DEPENDS all_programs all_tests
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DEPENDS libc)
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# =============================================================================
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# Update GDB symbol file.
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add_custom_target(
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gdb_file_clion_embedded
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COMMAND echo "symbol-file ${CMAKE_BINARY_DIR}/mentos/kernel-bootloader.bin" >> ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND echo "exec-file ${CMAKE_BINARY_DIR}/mentos/kernel-bootloader.bin" >> ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND bash ${CMAKE_SOURCE_DIR}/scripts/get_text_address.sh ${CMAKE_BINARY_DIR}/mentos/kernel.bin > ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND bash ${CMAKE_SOURCE_DIR}/scripts/get_text_address.sh ${CMAKE_BINARY_DIR}/mentos/kernel-bootloader.bin >> ${CMAKE_BINARY_DIR}/.gdbinit
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COMMAND bash ${CMAKE_SOURCE_DIR}/scripts/get_text_address.sh ${CMAKE_BINARY_DIR}/programs/prog_* >> ${CMAKE_BINARY_DIR}/.gdbinit
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DEPENDS ${PROJECT_NAME}_bootloader
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DEPENDS all_programs all_tests
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DEPENDS libc)
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# =============================================================================
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# Set memory size.
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set(MEMORY_SIZE 1096M)
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# =============================================================================
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# Builds the code and runs qemu with the built Os.
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set(EMULATOR qemu-system-i386)
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if(${DEBUGGING_TYPE} STREQUAL DEBUG_LOG)
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set(EMULATOR_FLAGS ${EMULATOR_FLAGS} -serial file:serial.log)
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elseif(${DEBUGGING_TYPE} STREQUAL DEBUG_STDIO)
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set(EMULATOR_FLAGS ${EMULATOR_FLAGS} -serial stdio)
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endif(${DEBUGGING_TYPE} STREQUAL DEBUG_LOG)
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set(EMULATOR_FLAGS ${EMULATOR_FLAGS} -vga std)
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set(EMULATOR_FLAGS ${EMULATOR_FLAGS} -m ${MEMORY_SIZE})
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set(EMULATOR_KERNEL -kernel mentos/kernel-bootloader.bin)
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set(EMULATOR_FS -initrd initrd)
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add_custom_target(
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qemu
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COMMAND ${EMULATOR} ${EMULATOR_FLAGS} ${EMULATOR_KERNEL} ${EMULATOR_FS}
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DEPENDS kernel-bootloader.bin initrd all_programs all_tests libc)
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# =============================================================================
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# Builds the code and runs qemu with the built Os.
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set(EMULATOR_FLAGS_GDB ${EMULATOR_FLAGS} -s -S)
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add_custom_target(
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qemu-gdb
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COMMAND ${EMULATOR} ${EMULATOR_FLAGS_GDB} ${EMULATOR_KERNEL} ${EMULATOR_FS} &
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DEPENDS gdb_file kernel-bootloader.bin initrd)
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add_custom_target(all-execs-clion-embedded DEPENDS gdb_file_clion_embedded kernel-bootloader.bin initrd)
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