157 lines
4.4 KiB
CMake
157 lines
4.4 KiB
CMake
cmake_minimum_required(VERSION 3.26)
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project(kernel CXX ASM)
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if("${BANAN_ARCH}" STREQUAL "x86_64")
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set(ELF_FORMAT elf64-x86-64)
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elseif("${BANAN_ARCH}" STREQUAL "i386")
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set(ELF_FORMAT elf32-i386)
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endif()
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set(KERNEL_SOURCES
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font/prefs.psf.o
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kernel/ACPI.cpp
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kernel/APIC.cpp
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kernel/build_libc.cpp
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kernel/CPUID.cpp
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kernel/Debug.cpp
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kernel/Device.cpp
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kernel/DeviceManager.cpp
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kernel/Errors.cpp
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kernel/Font.cpp
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kernel/FS/Ext2.cpp
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kernel/FS/VirtualFileSystem.cpp
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kernel/Input/PS2Controller.cpp
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kernel/Input/PS2Keyboard.cpp
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kernel/Input/PS2Keymap.cpp
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kernel/InterruptController.cpp
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kernel/kernel.cpp
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kernel/kmalloc.cpp
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kernel/PCI.cpp
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kernel/PIC.cpp
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kernel/PIT.cpp
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kernel/Process.cpp
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kernel/RTC.cpp
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kernel/Scheduler.cpp
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kernel/Semaphore.cpp
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kernel/Serial.cpp
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kernel/Shell.cpp
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kernel/SpinLock.cpp
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kernel/SSP.cpp
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kernel/Storage/ATABus.cpp
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kernel/Storage/ATAController.cpp
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kernel/Storage/ATADevice.cpp
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kernel/Storage/StorageDevice.cpp
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kernel/Syscall.cpp
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kernel/Thread.cpp
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kernel/Terminal/TTY.cpp
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kernel/Terminal/VesaTerminalDriver.cpp
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userspace/userspace.cpp
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icxxabi.cpp
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)
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if(ENABLE_KERNEL_UBSAN)
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set(KERNEL_SOURCES ${KERNEL_SOURCES} ubsan.cpp)
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endif()
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if("${BANAN_ARCH}" STREQUAL "x86_64")
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set(KERNEL_SOURCES
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${KERNEL_SOURCES}
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arch/x86_64/boot.S
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arch/x86_64/GDT.cpp
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arch/x86_64/IDT.cpp
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arch/x86_64/interrupts.S
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arch/x86_64/MMU.cpp
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arch/x86_64/SpinLock.S
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arch/x86_64/Thread.S
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)
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elseif("${BANAN_ARCH}" STREQUAL "i386")
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set(KERNEL_SOURCES
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${KERNEL_SOURCES}
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arch/i386/boot.S
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arch/i386/GDT.cpp
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arch/i386/IDT.cpp
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arch/i386/MMU.cpp
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arch/i386/SpinLock.S
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arch/i386/Thread.S
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)
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else()
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message(FATAL_ERROR "unsupported architecure ${BANAN_ARCH}")
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endif()
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set(BAN_SOURCES
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../BAN/BAN/New.cpp
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../BAN/BAN/String.cpp
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../BAN/BAN/StringView.cpp
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../BAN/BAN/Time.cpp
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)
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set(LIBC_SOURCES
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../libc/ctype.cpp
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../libc/string.cpp
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)
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set(KERNEL_SOURCES
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${KERNEL_SOURCES}
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${BAN_SOURCES}
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${LIBC_SOURCES}
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)
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add_executable(kernel ${KERNEL_SOURCES})
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add_dependencies(kernel headers)
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target_compile_definitions(kernel PUBLIC __is_kernel)
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target_compile_definitions(kernel PUBLIC __arch=${BANAN_ARCH})
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target_compile_options(kernel PUBLIC -O2 -g)
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target_compile_options(kernel PUBLIC -Wno-literal-suffix)
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target_compile_options(kernel PUBLIC -fno-rtti -fno-exceptions)
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target_compile_options(kernel PUBLIC -fstack-protector -ffreestanding -Wall -Wextra -Werror=return-type -fno-omit-frame-pointer -mno-sse -mno-sse2)
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if(ENABLE_KERNEL_UBSAN)
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target_compile_options(kernel PUBLIC -fsanitize=undefined)
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endif()
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if("${BANAN_ARCH}" STREQUAL "x86_64")
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target_compile_options(kernel PUBLIC -mcmodel=large -mno-red-zone -mno-mmx)
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target_link_options(kernel PUBLIC LINKER:-z,max-page-size=4096)
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target_link_options(kernel PUBLIC LINKER:-T,${CMAKE_CURRENT_SOURCE_DIR}/arch/x86_64/linker.ld)
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elseif("${BANAN_ARCH}" STREQUAL "i386")
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target_link_options(kernel PUBLIC LINKER:-T,${CMAKE_CURRENT_SOURCE_DIR}/arch/i386/linker.ld)
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endif()
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target_link_options(kernel PUBLIC -ffreestanding -nostdlib -O2)
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add_custom_target(crt0
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COMMAND ${CMAKE_CXX_COMPILER} -c ${CMAKE_CURRENT_SOURCE_DIR}/arch/${BANAN_ARCH}/crt0.S -o ${BANAN_LIB}/crt0.o
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DEPENDS headers
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)
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add_custom_target(kernel-headers
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COMMAND ${CMAKE_COMMAND} -E copy_directory_if_different ${CMAKE_CURRENT_SOURCE_DIR}/include ${BANAN_INCLUDE}
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DEPENDS sysroot
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)
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add_custom_target(kernel-install
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COMMAND cp ${CMAKE_CURRENT_BINARY_DIR}/kernel ${BANAN_BOOT}/banan-os.kernel
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DEPENDS kernel
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)
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execute_process(COMMAND ${CMAKE_CXX_COMPILER} -print-file-name=crtbegin.o OUTPUT_VARIABLE CRTBEGIN OUTPUT_STRIP_TRAILING_WHITESPACE)
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execute_process(COMMAND ${CMAKE_CXX_COMPILER} -print-file-name=crtend.o OUTPUT_VARIABLE CRTEND OUTPUT_STRIP_TRAILING_WHITESPACE)
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add_custom_command(
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TARGET kernel PRE_LINK
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COMMAND ${CMAKE_CXX_COMPILER} -MD -c ${CMAKE_CURRENT_SOURCE_DIR}/arch/${BANAN_ARCH}/crti.S ${COMPILE_OPTIONS}
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COMMAND ${CMAKE_CXX_COMPILER} -MD -c ${CMAKE_CURRENT_SOURCE_DIR}/arch/${BANAN_ARCH}/crtn.S ${COMPILE_OPTIONS}
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COMMAND cp ${CRTBEGIN} .
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COMMAND cp ${CRTEND} .
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)
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add_custom_command(
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OUTPUT font/prefs.psf.o
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COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && objcopy -O ${ELF_FORMAT} -B i386 -I binary font/prefs.psf ${CMAKE_CURRENT_BINARY_DIR}/font/prefs.psf.o
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)
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set(CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_COMPILER} <CMAKE_CXX_LINK_FLAGS> <FLAGS> <LINK_FLAGS> -o <TARGET> ${CMAKE_CURRENT_BINARY_DIR}/crti.o ${CMAKE_CURRENT_BINARY_DIR}/crtbegin.o <OBJECTS> ${CMAKE_CURRENT_BINARY_DIR}/crtend.o ${CMAKE_CURRENT_BINARY_DIR}/crtn.o -lgcc ")
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