42 lines
1.7 KiB
CMake
42 lines
1.7 KiB
CMake
cmake_minimum_required(VERSION 3.15)
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project(new_kernel C ASM)
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# Define compiler run time
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SET(COMPILER_RT ${CMAKE_CURRENT_LIST_DIR}/compiler/target/bin)
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SET(CMAKE_C_COMPILER ${COMPILER_RT}/i686-elf-gcc)
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SET(CMAKE_ASM_COMPILER ${COMPILER_RT}/i686-elf-gcc)
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# Optionally enable cmake debugging
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SET(CMAKE_VERBOSE_MAKEFILE ON)
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# Set compile flags
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SET(CMAKE_C_FLAGS "-g -ffreestanding -Wall -Wextra -fno-exceptions -fstack-protector -fno-pie -m32")
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SET(CMAKE_ASM_FLAGS "${CFLAGS} -m32 -x assembler-with-cpp")
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SET(CMAKE_EXE_LINKER_FLAGS "-T${CMAKE_CURRENT_LIST_DIR}/linker.ld -nostdlib -lgcc")
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include_directories(AFTER include lai/include)
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set(CMAKE_C_STANDARD 99)
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FILE(GLOB lai lai/core/*.c lai/helpers/*.c lai/driver/*.c)
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FILE(GLOB_RECURSE kernel_src kernel/**.c)
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FILE(GLOB_RECURSE kernel_asm kernel/**.S)
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FILE(GLOB_RECURSE boot_asm boot/boot.S)
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add_compile_definitions(__kernel__)
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# Run IDE in DMA mode if available (NYI)
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#add_compile_definitions(IDE_ENABLE_INTERRUPT)
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# Kernel Command Line features
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add_compile_definitions(ENABLE_K_SHELL) # Run the kernel shell as the main task
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add_compile_definitions(ENABLE_SELF_TEST) # Compile in self test kernel CLI command
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add_compile_definitions(ENABLE_PCIPP) # Support for pretty printing pci class/subclass/interface
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# find libgcc.a
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add_library(libgcc STATIC IMPORTED)
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set_target_properties(libgcc PROPERTIES IMPORTED_LOCATION ${COMPILER_RT}/../lib/gcc/i686-elf/10.2.0/libgcc.a)
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add_executable(my-kernel.bin ${kernel_src} ${kernel_asm} ${boot_asm} ${lai})
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target_link_libraries(my-kernel.bin libgcc)
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set_source_files_properties(${kernel_src} PROPERTIES LANGUAGE C COMPILE_FLAGS "")
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set_target_properties(my-kernel.bin PROPERTIES LINKER_LANGUAGE C PREFIX "" SUFFIX "" LINK_FLAGS "") |