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Makefile
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Makefile
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KERNEL_OBJS = \
_start.o \
init.o \
kmalloc.o \
StdLib.o \
i386.o \
Process.o \
ProcessGUI.o \
i8253.o \
Keyboard.o \
CMOS.o \
PIC.o \
Syscall.o \
IDEDiskDevice.o \
MemoryManager.o \
Console.o \
IRQHandler.o \
kprintf.o \
ProcFileSystem.o \
RTC.o \
TTY.o \
VirtualConsole.o \
FIFO.o \
Scheduler.o \
DoubleBuffer.o \
ELFImage.o \
ELFLoader.o \
KSyms.o \
PS2MouseDevice.o \
WindowComposer.o
VFS_OBJS = \
../VirtualFileSystem/DiskDevice.o \
../VirtualFileSystem/CharacterDevice.o \
../VirtualFileSystem/NullDevice.o \
../VirtualFileSystem/FullDevice.o \
../VirtualFileSystem/ZeroDevice.o \
../VirtualFileSystem/RandomDevice.o \
../VirtualFileSystem/FileSystem.o \
../VirtualFileSystem/DiskBackedFileSystem.o \
../VirtualFileSystem/Ext2FileSystem.o \
../VirtualFileSystem/VirtualFileSystem.o \
../VirtualFileSystem/FileDescriptor.o \
../VirtualFileSystem/SyntheticFileSystem.o
WIDGETS_OBJS = \
../Widgets/Window.o \
../Widgets/Painter.o \
../Widgets/WindowManager.o \
../Widgets/FrameBuffer.o \
../Widgets/GraphicsBitmap.o \
../Widgets/Object.o \
../Widgets/Rect.o \
../Widgets/Widget.o \
../Widgets/Font.o \
../Widgets/Color.o \
../Widgets/CharacterBitmap.o \
../Widgets/EventLoop.o \
../Widgets/Label.o \
../Widgets/Button.o \
../Widgets/MsgBox.o \
../Widgets/ListBox.o \
../Widgets/CheckBox.o \
../Widgets/TextBox.o \
../Widgets/AbstractScreen.o \
../Widgets/GUIEventDevice.o \
AK_OBJS = \
../AK/String.o \
../AK/StringImpl.o \
../AK/StringBuilder.o \
../AK/FileSystemPath.o
OBJS = $(KERNEL_OBJS) $(VFS_OBJS) $(AK_OBJS) $(WIDGETS_OBJS)
NASM = nasm
KERNEL = kernel
BOOTLOADER = Boot/boot.bin
IMAGE = .floppy-image
ARCH_FLAGS =
STANDARD_FLAGS = -std=c++17 -nostdinc++ -nostdlib #-nostdinc
KERNEL_FLAGS = -ffreestanding -fno-stack-protector -fno-ident -fno-builtin
WARNING_FLAGS = -Wextra -Wall -Wundef -Wcast-qual -Wwrite-strings
FLAVOR_FLAGS = -mregparm=3 -march=i386 -m32 -fno-exceptions -fno-rtti -fmerge-all-constants -fno-unroll-loops -fno-pie -fno-pic
OPTIMIZATION_FLAGS = -Oz -fno-asynchronous-unwind-tables -fno-omit-frame-pointer
INCLUDE_FLAGS = -I.. -I.
#SUGGEST_FLAGS = -Wsuggest-final-types -Wsuggest-final-methods -Wsuggest-override #-Wsuggest-attribute=noreturn
DEFINES = -DSERENITY -DKERNEL -DSANITIZE_PTRS
CXXFLAGS = $(WARNING_FLAGS) $(OPTIMIZATION_FLAGS) $(KERNEL_FLAGS) $(FLAVOR_FLAGS) $(ARCH_FLAGS) $(STANDARD_FLAGS) $(SUGGEST_FLAGS) $(INCLUDE_FLAGS) $(DEFINES)
CXX = clang
LD = ld
LDFLAGS = -T linker.ld --strip-debug -melf_i386 --gc-sections --build-id=none -z norelro -z now
all: $(KERNEL) $(IMAGE) kernel.map
kernel.map: kernel
@echo "MKMAP $@"; sh mkmap.sh
$(KERNEL): $(OBJS)
@echo "LD $@"; $(LD) $(LDFLAGS) -o $@ -Ttext 0x10000 $(OBJS)
$(IMAGE): $(KERNEL) $(BOOTLOADER)
@echo "CREATE $@"; cat $(BOOTLOADER) $(KERNEL) > .tmp-floppy-image
@dd if=/dev/zero bs=2M count=1 >> .tmp-floppy-image 2> /dev/null
@dd if=.tmp-floppy-image of=.floppy-image bs=1440k count=1 2>/dev/null
@rm -f .tmp-floppy-image
$(BOOTLOADER): Boot/boot.asm
@echo "NASM $<"; $(NASM) -f bin -o $@ $<
.cpp.o:
@echo "CXX $<"; $(CXX) $(CXXFLAGS) -o $@ -c $<
clean:
@echo "CLEAN"; rm -f $(KERNEL) $(OBJS) $(BOOTLOADER) $(IMAGE)