43 lines
885 B
Makefile
43 lines
885 B
Makefile
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CC = i686-elf-gcc
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LD = i686-elf-ld
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OBJCOPY = i686-elf-objcopy
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CFLAGS = -m32 -ffreestanding -O2 -Wall -Wextra -nostdlib
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ASFLAGS = -m32
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.PHONY: all clean run
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all: os.img
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boot.o: boot.s
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$(CC) $(ASFLAGS) -c boot.s -o boot.o
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boot.elf: boot.o boot.ld
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$(LD) -T boot.ld -o boot.elf boot.o
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boot.bin: boot.elf
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$(OBJCOPY) -O binary boot.elf boot.bin
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prekernel.o: prekernel.s
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$(CC) $(ASFLAGS) -c prekernel.s -o prekernel.o
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kmain.o: kmain.c
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$(CC) $(CFLAGS) -c kmain.c -o kmain.o
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kernel.elf: prekernel.o kmain.o kernel.ld
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$(LD) -T kernel.ld -o kernel.elf prekernel.o kmain.o
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kernel.bin: kernel.elf
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$(OBJCOPY) -O binary kernel.elf kernel.bin
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os.img: boot.bin kernel.bin
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dd if=boot.bin of=os.img bs=512 count=1
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dd if=kernel.bin of=os.img bs=512 seek=1
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truncate -s 1440k os.img
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run: os.img
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qemu-system-i386 -drive format=raw,file=os.img
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clean:
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rm -f *.o *.elf *.bin os.img
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