os/Makefile

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Makefile
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2024-05-25 19:20:33 +03:00
CFLAGS = -ffreestanding -nostdlib -fno-builtin -fno-stack-protector -Wall -Wextra
LDFLAGS = -ffreestanding -nostdlib -lgcc
ASFLAGS =
CC = i686-elf-gcc
AS = i686-elf-as
LD = i686-elf-gcc
GRUB_FILE = grub-file
GRUB_MKRESCUE = grub-mkrescue
KERNEL = deados.bin
ISO = deados.iso
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SOURCES_C = kernel.c tty.c idt.c timer.c io.c vga.c gdt.c sys.c irq.c isr.c keyboard.c shell.c string.c user_space.c syscall.c rtc.c
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SOURCES_ASM = boot.s idt_load.s gdt_flush.s tss_flush.s irq_flush.s isr_flush.s
OBJECTS = $(SOURCES_ASM:.s=.o) $(SOURCES_C:.c=.o)
ISO_DIR = isodir
GRUB_DIR = $(ISO_DIR)/boot/grub
.PHONY: all clean iso
all: $(ISO)
$(KERNEL): $(OBJECTS) linker.ld
$(LD) -T linker.ld -o $(KERNEL) $(OBJECTS) $(LDFLAGS)
%.o: %.c
$(CC) $(CFLAGS) -c $< -o $@
%.o: %.s
$(AS) $(ASFLAGS) $< -o $@
iso: $(ISO)
$(ISO): $(KERNEL) grub.cfg
mkdir -p $(GRUB_DIR)
cp $(KERNEL) $(ISO_DIR)/boot/$(KERNEL)
cp grub.cfg $(GRUB_DIR)/grub.cfg
$(GRUB_MKRESCUE) -o $(ISO) $(ISO_DIR)
check-multiboot: $(KERNEL)
$(GRUB_FILE) --is-x86-multiboot $(KERNEL) && echo "multiboot confirmed" || echo "the file is not multiboot"
clean:
rm -f $(OBJECTS) $(KERNEL) $(ISO)
rm -rf $(ISO_DIR)