if (ENABLE_EXTRA_KERNEL_DEBUG_SYMBOLS) add_compile_options(-Og) add_compile_options(-ggdb3) else() add_compile_options(-Os) endif() if ("${SERENITY_ARCH}" STREQUAL "i686") set(KERNEL_ARCH i386) elseif("${SERENITY_ARCH}" STREQUAL "x86_64") set(KERNEL_ARCH x86_64) endif() set(KERNEL_HEAP_SOURCES Heap/SlabAllocator.cpp Heap/kmalloc.cpp ) set(KERNEL_SOURCES ACPI/DynamicParser.cpp ACPI/Initialize.cpp ACPI/MultiProcessorParser.cpp ACPI/Parser.cpp AddressSanitizer.cpp Arch/PC/BIOS.cpp Arch/x86/SmapDisabler.h Bus/PCI/Access.cpp Bus/PCI/Device.cpp Bus/PCI/IOAccess.cpp Bus/PCI/MMIOAccess.cpp Bus/PCI/Initializer.cpp Bus/PCI/WindowedMMIOAccess.cpp Bus/USB/SysFSUSB.cpp Bus/USB/UHCI/UHCIController.cpp Bus/USB/UHCI/UHCIRootHub.cpp Bus/USB/USBController.cpp Bus/USB/USBDevice.cpp Bus/USB/USBHub.cpp Bus/USB/USBManagement.cpp Bus/USB/USBPipe.cpp Bus/USB/USBTransfer.cpp Bus/VirtIO/VirtIO.cpp Bus/VirtIO/VirtIOConsole.cpp Bus/VirtIO/VirtIOConsolePort.cpp Bus/VirtIO/VirtIOQueue.cpp Bus/VirtIO/VirtIORNG.cpp CMOS.cpp CommandLine.cpp ConsoleDevice.cpp Coredump.cpp Devices/AsyncDeviceRequest.cpp Devices/BlockDevice.cpp Devices/CharacterDevice.cpp Devices/Device.cpp Devices/FullDevice.cpp Devices/KCOVDevice.cpp Devices/KCOVInstance.cpp Devices/MemoryDevice.cpp Devices/NullDevice.cpp Devices/PCISerialDevice.cpp Devices/PCSpeaker.cpp Devices/RandomDevice.cpp Devices/SB16.cpp Devices/SerialDevice.cpp Devices/VMWareBackdoor.cpp Devices/ZeroDevice.cpp Devices/HID/I8042Controller.cpp Devices/HID/HIDManagement.cpp Devices/HID/KeyboardDevice.cpp Devices/HID/MouseDevice.cpp Devices/HID/PS2KeyboardDevice.cpp Devices/HID/PS2MouseDevice.cpp Devices/HID/VMWareMouseDevice.cpp GlobalProcessExposed.cpp Graphics/Bochs/GraphicsAdapter.cpp Graphics/Console/GenericFramebufferConsole.cpp Graphics/Console/ContiguousFramebufferConsole.cpp Graphics/Console/TextModeConsole.cpp Graphics/Console/VGAConsole.cpp Graphics/FramebufferDevice.cpp Graphics/GraphicsManagement.cpp Graphics/Intel/NativeGraphicsAdapter.cpp Graphics/VirtIOGPU/FrameBufferDevice.cpp Graphics/VirtIOGPU/Console.cpp Graphics/VirtIOGPU/GPU.cpp Graphics/VirtIOGPU/GraphicsAdapter.cpp Graphics/VGACompatibleAdapter.cpp SanCov.cpp Storage/Partition/DiskPartition.cpp Storage/Partition/DiskPartitionMetadata.cpp Storage/Partition/EBRPartitionTable.cpp Storage/Partition/GUIDPartitionTable.cpp Storage/Partition/MBRPartitionTable.cpp Storage/Partition/PartitionTable.cpp Storage/StorageDevice.cpp Storage/AHCIController.cpp Storage/AHCIPort.cpp Storage/AHCIPortHandler.cpp Storage/SATADiskDevice.cpp Storage/BMIDEChannel.cpp Storage/IDEController.cpp Storage/IDEChannel.cpp Storage/PATADiskDevice.cpp Storage/RamdiskController.cpp Storage/RamdiskDevice.cpp Storage/StorageManagement.cpp DoubleBuffer.cpp FileSystem/AnonymousFile.cpp FileSystem/BlockBasedFileSystem.cpp FileSystem/Custody.cpp FileSystem/DevFS.cpp FileSystem/DevPtsFS.cpp FileSystem/Ext2FileSystem.cpp FileSystem/FIFO.cpp FileSystem/File.cpp FileSystem/FileBackedFileSystem.cpp FileSystem/FileDescription.cpp FileSystem/FileSystem.cpp FileSystem/Inode.cpp FileSystem/InodeFile.cpp FileSystem/InodeWatcher.cpp FileSystem/ISO9660FileSystem.cpp FileSystem/Mount.cpp FileSystem/Plan9FileSystem.cpp FileSystem/ProcFS.cpp FileSystem/SysFS.cpp FileSystem/SysFSComponent.cpp FileSystem/TmpFS.cpp FileSystem/VirtualFileSystem.cpp FutexQueue.cpp Interrupts/APIC.cpp Interrupts/GenericInterruptHandler.cpp Interrupts/IOAPIC.cpp Interrupts/IRQHandler.cpp Interrupts/InterruptManagement.cpp Interrupts/PIC.cpp Interrupts/SharedIRQHandler.cpp Interrupts/SpuriousInterruptHandler.cpp Interrupts/UnhandledInterruptHandler.cpp KBufferBuilder.cpp KLexicalPath.cpp KString.cpp KSyms.cpp Memory/AddressSpace.cpp Memory/AnonymousVMObject.cpp Memory/InodeVMObject.cpp Memory/MemoryManager.cpp Memory/PageDirectory.cpp Memory/PhysicalPage.cpp Memory/PhysicalRegion.cpp Memory/PhysicalZone.cpp Memory/PrivateInodeVMObject.cpp Memory/ProcessPagingScope.cpp Memory/Region.cpp Memory/RingBuffer.cpp Memory/ScatterGatherList.cpp Memory/SharedInodeVMObject.cpp Memory/VMObject.cpp Memory/VirtualRange.cpp Memory/VirtualRangeAllocator.cpp MiniStdLib.cpp Locking/Mutex.cpp Net/E1000ENetworkAdapter.cpp Net/E1000NetworkAdapter.cpp Net/IPv4Socket.cpp Net/LocalSocket.cpp Net/LoopbackAdapter.cpp Net/NE2000NetworkAdapter.cpp Net/NetworkAdapter.cpp Net/NetworkTask.cpp Net/NetworkingManagement.cpp Net/RTL8139NetworkAdapter.cpp Net/RTL8168NetworkAdapter.cpp Net/Routing.cpp Net/Socket.cpp Net/TCPSocket.cpp Net/UDPSocket.cpp Panic.cpp PerformanceEventBuffer.cpp Process.cpp ProcessExposed.cpp ProcessSpecificExposed.cpp ProcessGroup.cpp ProcessProcFSTraits.cpp RTC.cpp Random.cpp Scheduler.cpp StdLib.cpp Syscall.cpp Syscalls/anon_create.cpp Syscalls/access.cpp Syscalls/alarm.cpp Syscalls/beep.cpp Syscalls/chdir.cpp Syscalls/chmod.cpp Syscalls/chown.cpp Syscalls/clock.cpp Syscalls/debug.cpp Syscalls/disown.cpp Syscalls/dup2.cpp Syscalls/emuctl.cpp Syscalls/execve.cpp Syscalls/exit.cpp Syscalls/fcntl.cpp Syscalls/fork.cpp Syscalls/ftruncate.cpp Syscalls/futex.cpp Syscalls/get_dir_entries.cpp Syscalls/get_stack_bounds.cpp Syscalls/getrandom.cpp Syscalls/getuid.cpp Syscalls/hostname.cpp Syscalls/ioctl.cpp Syscalls/keymap.cpp Syscalls/kill.cpp Syscalls/link.cpp Syscalls/lseek.cpp Syscalls/mkdir.cpp Syscalls/mknod.cpp Syscalls/mmap.cpp Syscalls/module.cpp Syscalls/mount.cpp Syscalls/open.cpp Syscalls/perf_event.cpp Syscalls/pipe.cpp Syscalls/pledge.cpp Syscalls/prctl.cpp Syscalls/process.cpp Syscalls/profiling.cpp Syscalls/ptrace.cpp Syscalls/purge.cpp Syscalls/read.cpp Syscalls/readlink.cpp Syscalls/realpath.cpp Syscalls/rename.cpp Syscalls/rmdir.cpp Syscalls/sched.cpp Syscalls/select.cpp Syscalls/sendfd.cpp Syscalls/setpgid.cpp Syscalls/setuid.cpp Syscalls/shutdown.cpp Syscalls/sigaction.cpp Syscalls/socket.cpp Syscalls/stat.cpp Syscalls/statvfs.cpp Syscalls/sync.cpp Syscalls/sysconf.cpp Syscalls/thread.cpp Syscalls/times.cpp Syscalls/ttyname.cpp Syscalls/umask.cpp Syscalls/uname.cpp Syscalls/unlink.cpp Syscalls/unveil.cpp Syscalls/utime.cpp Syscalls/waitid.cpp Syscalls/inode_watcher.cpp Syscalls/write.cpp TTY/ConsoleManagement.cpp TTY/MasterPTY.cpp TTY/PTYMultiplexer.cpp TTY/SlavePTY.cpp TTY/TTY.cpp TTY/VirtualConsole.cpp Tasks/FinalizerTask.cpp Tasks/SyncTask.cpp Thread.cpp ThreadBlockers.cpp ThreadTracer.cpp Time/APICTimer.cpp Time/HPET.cpp Time/HPETComparator.cpp Time/PIT.cpp Time/RTC.cpp Time/TimeManagement.cpp TimerQueue.cpp UBSanitizer.cpp UserOrKernelBuffer.cpp WaitQueue.cpp WorkQueue.cpp init.cpp kprintf.cpp ) set(KERNEL_SOURCES ${KERNEL_SOURCES} ${CMAKE_CURRENT_SOURCE_DIR}/Arch/x86/${KERNEL_ARCH}/ASM_wrapper.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Arch/x86/${KERNEL_ARCH}/Boot/ap_setup.S ${CMAKE_CURRENT_SOURCE_DIR}/Arch/x86/${KERNEL_ARCH}/InterruptEntry.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Arch/x86/${KERNEL_ARCH}/Processor.cpp ) set(KERNEL_SOURCES ${KERNEL_SOURCES} ${CMAKE_CURRENT_SOURCE_DIR}/Arch/x86/common/ASM_wrapper.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Arch/x86/common/CPU.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Arch/x86/common/Interrupts.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Arch/x86/common/Processor.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Arch/x86/common/ProcessorInfo.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Arch/x86/common/SafeMem.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Arch/x86/common/TrapFrame.cpp ) set(AK_SOURCES ../AK/FlyString.cpp ../AK/GenericLexer.cpp ../AK/Hex.cpp ../AK/String.cpp ../AK/StringBuilder.cpp ../AK/StringImpl.cpp ../AK/StringUtils.cpp ../AK/StringView.cpp ../AK/Time.cpp ../AK/Format.cpp ../AK/UUID.cpp ../AK/Utf8View.cpp ../AK/Utf16View.cpp ) set(ELF_SOURCES ../Userland/Libraries/LibELF/Image.cpp ../Userland/Libraries/LibELF/Validation.cpp ) generate_state_machine(../Userland/Libraries/LibVT/StateMachine.txt ../Userland/Libraries/LibVT/EscapeSequenceStateMachine.h) set(VT_SOURCES ../Userland/Libraries/LibVT/Terminal.cpp ../Userland/Libraries/LibVT/Line.cpp ../Userland/Libraries/LibVT/EscapeSequenceParser.cpp ) set(KEYBOARD_SOURCES ../Userland/Libraries/LibKeyboard/CharacterMap.cpp ) set(CRYPTO_SOURCES ../Userland/Libraries/LibCrypto/Cipher/AES.cpp ../Userland/Libraries/LibCrypto/Hash/SHA2.cpp ) set(SOURCES ${KERNEL_SOURCES} ${AK_SOURCES} ${ELF_SOURCES} ${VT_SOURCES} ${KEYBOARD_SOURCES} ${CRYPTO_SOURCES} ) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unknown-warning-option -Wvla -Wnull-dereference") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -ffreestanding -fbuiltin") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mno-80387 -mno-mmx -mno-sse -mno-sse2") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-asynchronous-unwind-tables") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstack-protector-strong") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions") # FIXME: remove -nodefaultlibs after the next toolchain update set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nodefaultlibs -nostdlib") if (USE_CLANG_TOOLCHAIN) add_compile_options(-Waddress-of-packed-member) endif() # Apply any flags that are only available on >= GCC 11.1 if (NOT USE_CLANG_TOOLCHAIN AND CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 11.1) # Zero any registers used within a function on return (to reduce data lifetime and ROP gadgets). set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fzero-call-used-regs=used-gpr") endif() if (NOT USE_CLANG_TOOLCHAIN) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nostdinc -nostdinc++") endif() macro (set_new_alignment alignment) if (USE_CLANG_TOOLCHAIN) add_compile_options(-faligned-allocation) add_compile_options(-fnew-alignment=${alignment}) else() add_compile_options(-faligned-new=${alignment}) endif() endmacro() if ("${SERENITY_ARCH}" STREQUAL "x86_64") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcmodel=large -mno-red-zone") set_new_alignment(8) else() set_new_alignment(4) endif() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-pie") # Kernel Coverage (KCOV) is an API to collect and expose program counters of # kernel code that has been run to user space. It's rather slow and likely not # secure to run in production builds. Useful for coverage guided fuzzing. if (ENABLE_KERNEL_COVERAGE_COLLECTION) add_definitions(-DENABLE_KERNEL_COVERAGE_COLLECTION) add_compile_options(-fsanitize-coverage=trace-pc) set(KCOV_EXCLUDED_SOURCES # Make sure we don't instrument any code called from __sanitizer_cov_trace_pc # otherwise we'll end up with recursive calls to that function. ../AK/Format.cpp ../AK/StringBuilder.cpp ../Kernel/Arch/x86/${KERNEL_ARCH}/Processor.cpp ../Kernel/Devices/KCOVDevice.cpp ../Kernel/Devices/KCOVInstance.cpp ../Kernel/FileSystem/File.cpp ../Kernel/FileSystem/FileDescription.cpp ../Kernel/Heap/SlabAllocator.cpp ../Kernel/init.cpp ../Kernel/SanCov.cpp # GCC assumes that the caller saves registers for functions according # to the System V ABI and happily inserts coverage calls into the # function prologue for all functions. This assumption is not true for # interrupt handlers because their calling convention is not compatible # with the System V ABI. ../Kernel/Arch/x86/common/Interrupts.cpp ../Kernel/Syscall.cpp ) set_source_files_properties(${KCOV_EXCLUDED_SOURCES} PROPERTIES COMPILE_FLAGS "-fno-sanitize-coverage=trace-pc") endif() # Kernel Undefined Behavior Sanitizer (KUBSAN) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined") # Kernel Address Sanitize (KASAN) implementation is still a work in progress, this option # is not currently meant to be used, besides when developing Kernel ASAN support. # if (ENABLE_KERNEL_ADDRESS_SANITIZER) add_compile_options(-fsanitize=kernel-address) endif() add_compile_definitions(KERNEL) # HACK: This is a workaround for CLion to grok the kernel sources. # It's needed because CLion doesn't understand the way we switch compilers mid-build. add_compile_definitions(__serenity__) add_link_options(LINKER:-z,notext) if (USE_CLANG_TOOLCHAIN) add_link_options(LINKER:--build-id=none) endif() add_library(kernel_heap STATIC ${KERNEL_HEAP_SOURCES}) if (${CMAKE_HOST_SYSTEM_NAME} MATCHES SerenityOS) include_directories(/usr/local/include/c++/${GCC_VERSION}/) elseif (USE_CLANG_TOOLCHAIN) include_directories("${TOOLCHAIN_ROOT}/include/c++/v1") else() if (NOT EXISTS ${TOOLCHAIN_ROOT}/${SERENITY_ARCH}-pc-serenity/include/c++/${GCC_VERSION}/) message(FATAL_ERROR "Toolchain version ${GCC_VERSION} (${SERENITY_ARCH}) appears to be missing! Please run: Meta/serenity.sh rebuild-toolchain ${SERENITY_ARCH}") endif() include_directories(${TOOLCHAIN_ROOT}/${SERENITY_ARCH}-pc-serenity/include/c++/${GCC_VERSION}/) include_directories(${TOOLCHAIN_ROOT}/${SERENITY_ARCH}-pc-serenity/include/c++/${GCC_VERSION}/${SERENITY_ARCH}-pc-serenity/) endif() if (NOT USE_CLANG_TOOLCHAIN) link_directories(${TOOLCHAIN_ROOT}/${SERENITY_ARCH}-pc-serenity/lib) link_directories(${TOOLCHAIN_ROOT}/lib/gcc/${SERENITY_ARCH}-pc-serenity/${GCC_VERSION}/) endif() add_executable(Kernel ${SOURCES}) add_dependencies(Kernel generate_EscapeSequenceStateMachine.h) add_custom_command( OUTPUT linker.ld COMMAND "${CMAKE_CXX_COMPILER}" -E -P -x c -I${CMAKE_CURRENT_SOURCE_DIR}/.. "${CMAKE_CURRENT_SOURCE_DIR}/linker.ld" -o "${CMAKE_CURRENT_BINARY_DIR}/linker.ld" MAIN_DEPENDENCY "${CMAKE_CURRENT_SOURCE_DIR}/linker.ld" COMMENT "Preprocessing linker.ld" VERBATIM ) add_custom_target(generate_kernel_linker_script DEPENDS linker.ld) target_link_options(Kernel PRIVATE LINKER:-T ${CMAKE_CURRENT_BINARY_DIR}/linker.ld -nostdlib) set_target_properties(Kernel PROPERTIES LINK_DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/linker.ld") if (ENABLE_KERNEL_LTO) include(CheckIPOSupported) check_ipo_supported() set_property(TARGET Kernel PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE) endif() if (USE_CLANG_TOOLCHAIN) target_link_libraries(Kernel kernel_heap clang_rt.builtins-${SERENITY_CLANG_ARCH}) else() target_link_libraries(Kernel kernel_heap gcc) endif() add_dependencies(Kernel kernel_heap) add_custom_command( TARGET Kernel POST_BUILD COMMAND ${CMAKE_COMMAND} -E env CXXFILT=${CMAKE_CXXFILT} sh ${CMAKE_CURRENT_SOURCE_DIR}/mkmap.sh COMMAND ${CMAKE_COMMAND} -E env OBJCOPY=${CMAKE_OBJCOPY} sh ${CMAKE_CURRENT_SOURCE_DIR}/embedmap.sh COMMAND ${CMAKE_OBJCOPY} --only-keep-debug Kernel Kernel.debug COMMAND ${CMAKE_OBJCOPY} --strip-debug Kernel COMMAND ${CMAKE_OBJCOPY} --add-gnu-debuglink=Kernel.debug Kernel BYPRODUCTS ${CMAKE_CURRENT_BINARY_DIR}/kernel.map ) install(FILES "${CMAKE_CURRENT_BINARY_DIR}/Kernel" DESTINATION boot) install(FILES "${CMAKE_CURRENT_BINARY_DIR}/Kernel.debug" DESTINATION boot) install(FILES "${CMAKE_CURRENT_BINARY_DIR}/kernel.map" DESTINATION res) serenity_install_headers(Kernel) serenity_install_sources(Kernel) add_subdirectory(Prekernel) add_subdirectory(Modules)