A poorly written OS for the x86 arch. (WIP)
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all: os-image
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run: all
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qemu bin/os-image
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os-image: bin/bootloader.bin bin/kernel.bin
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cat $^ > bin/os-image
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kernel.bin: bin/kernel_entry.o bin/kernel.o
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ld -o kernel.bin -Ttext 0x1000 $^ --oformat binary
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kernel.o : src/kernel/kernel.c
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gcc -ffreestanding -c $< -o $@
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kernel_entry.o : src/kernel/kernel_entry.asm
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nasm $< -f elf -o $@
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bootloader.bin : src/bootloader/bootloader.asm
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nasm $< -f bin -o $@
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clean:
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rm -fr bin/*.bin bin/*.dis bin/*.o bin/os-image bin/*.map
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kernel.dis : bin/kernel.bin
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ndisasm -b 32 $< > $@
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