2022-01-09 08:06:03 +05:00
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CCPREFIX = i386-elftailix-
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AS = $(CCPREFIX)as
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CC = $(CCPREFIX)gcc
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IMAGE = image.iso
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LINKERSCR = linker.ld
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ROOTFS = rootfs
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GRUBCFG = $(ROOTFS)/boot/grub/grub.cfg
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KERNEL = $(ROOTFS)/boot/kernel
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CFLAGS = \
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-std=c99 \
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-pedantic \
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-Wall \
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-Wextra \
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2022-01-09 08:08:26 +05:00
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-Werror \
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2022-01-09 08:06:03 +05:00
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-ffreestanding \
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-fno-builtin \
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-fno-stack-protector \
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-I../../include
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OBJS = main.c.o start.S.o
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all: run
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run: $(IMAGE)
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qemu-system-i386 -cdrom $< -serial stdio -display none
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clean:
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rm -f $(IMAGE) $(KERNEL) $(OBJS)
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$(IMAGE): $(GRUBCFG) $(KERNEL)
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grub-mkrescue $(ROOTFS) -o $@
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$(KERNEL): $(LINKERSCR) $(OBJS)
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$(CC) -T $(LINKERSCR) -o $@ $(OBJS) -ffreestanding -nostdlib -lgcc -lkernaux -Wl,-L../..
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grub-file --is-x86-multiboot2 $@
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%.c.o: %.c
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$(CC) -c $< -o $@ $(CFLAGS)
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%.S.o: %.S
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$(AS) $< -o $@
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