46 lines
1.1 KiB
Makefile
46 lines
1.1 KiB
Makefile
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CFLAGS = -ffreestanding -nostdlib -fno-builtin -fno-stack-protector -Wall -Wextra
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LDFLAGS = -ffreestanding -nostdlib -lgcc
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ASFLAGS =
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CC = i686-elf-gcc
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AS = i686-elf-as
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LD = i686-elf-gcc
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GRUB_FILE = grub-file
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GRUB_MKRESCUE = grub-mkrescue
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KERNEL = deados.bin
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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
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SOURCES_ASM = boot.s idt_load.s gdt_flush.s pit_handler.s irq_e.s isr_e.s
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OBJECTS = $(SOURCES_ASM:.s=.o) $(SOURCES_C:.c=.o)
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ISO_DIR = isodir
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GRUB_DIR = $(ISO_DIR)/boot/grub
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.PHONY: all clean iso
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all: $(ISO)
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$(KERNEL): $(OBJECTS) linker.ld
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$(LD) -T linker.ld -o $(KERNEL) $(OBJECTS) $(LDFLAGS)
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%.o: %.c
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$(CC) $(CFLAGS) -c $< -o $@
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%.o: %.s
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$(AS) $(ASFLAGS) $< -o $@
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iso: $(ISO)
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$(ISO): $(KERNEL) grub.cfg
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mkdir -p $(GRUB_DIR)
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cp $(KERNEL) $(ISO_DIR)/boot/$(KERNEL)
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cp grub.cfg $(GRUB_DIR)/grub.cfg
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$(GRUB_MKRESCUE) -o $(ISO) $(ISO_DIR)
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check-multiboot: $(KERNEL)
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$(GRUB_FILE) --is-x86-multiboot $(KERNEL) && echo "multiboot confirmed" || echo "the file is not multiboot"
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clean:
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rm -f $(OBJECTS) $(KERNEL) $(ISO)
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rm -rf $(ISO_DIR)
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