30 lines
807 B
Makefile
30 lines
807 B
Makefile
CC = i386-elf-gcc
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LD = i386-elf-ld
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CFLAGS = -ffreestanding -m32
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all: .build/nub-os.iso
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clean:
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@rm -r .build 2>/dev/null || true
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build-dir:
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mkdir .build 2>/dev/null || true
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.build/nub-os.iso: build-dir .build/kernel.bin
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mkdir -p .build/iso/boot/grub
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cp grub.cfg .build/iso/boot/grub
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cp .build/kernel.bin .build/iso/boot/
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grub-mkrescue -o .build/nub-os.iso .build/iso/
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.build/kernel.bin: build-dir .build/boot.o .build/kernel.o .build/print.o
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$(LD) -Ttext 0x100000 -o .build/kernel.bin .build/boot.o .build/kernel.o .build/print.o
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.build/kernel.o: build-dir src/kernel.c
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$(CC) $(CFLAGS) -c -o .build/kernel.o src/kernel.c
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.build/print.o: build-dir src/print.c
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$(CC) $(CFLAGS) -c -o .build/print.o src/print.c
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.build/boot.o: build-dir src/boot.asm
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nasm -f elf32 -o .build/boot.o src/boot.asm
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