2021-02-21 01:24:25 -05:00
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# vim: noexpandtab tabstop=4 shiftwidth=4
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CXX = i386-elf-gcc
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CFLAGS = -std=gnu99 -ffreestanding -O2 -Wall -Wextra -nostdlib -Iinclude
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ASM = nasm
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2021-03-01 17:17:24 -05:00
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OBJECTS = boot.o gdt.o isr.o idt.o port.o print.o kernel.o
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2021-02-21 01:24:25 -05:00
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%.o : src/%.c
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$(CXX) $(CFLAGS) -o $@ -c $<
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%.o : src/%.s
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$(ASM) -felf32 $< -o $@
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os.bin : $(OBJECTS)
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$(CXX) -T linker.ld -o os.bin $(CFLAGS) $(OBJECTS) -lgcc
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os.iso : os.bin
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mkdir -p isodir/boot/grub
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mv os.bin isodir/boot/os.bin
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echo "menuentry 'os' {" >> grub.cfg
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echo " multiboot /boot/os.bin" >> grub.cfg
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echo "}" >> grub.cfg
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mv grub.cfg isodir/boot/grub/grub.cfg
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grub-mkrescue -o os.iso isodir
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clean :
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rm -rf *.o *.iso *.bin *.cfg isodir/
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