29 lines
704 B
Makefile
29 lines
704 B
Makefile
all: boot.img kernel.bin
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src/%.o: src/%.c
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bcc -ansi -3 -c -o $@ $<
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kernel.bin: src/kernel.o
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ld86 -T0x1000 -M -o $@ $^
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asm/kernel_syms.S: kernel.bin
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objdump86 kernel.bin | \
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grep -E "^[0-9]+ T _.*" | \
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python -c "import sys; print '\n'.join([\"_extern_c%s:\n jmp 0x1000:0x%04x\" % (x.split(' ')[2].strip('\n'), int(x.split(' ')[0].lstrip('0'), 16)-0x1000) for x in sys.stdin.readlines()])" > asm/kernel_syms.S
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boot.bin: asm/kernel_syms.S asm/bootloader.S asm/bootloader.S
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cd asm && nasm bootloader.S -f bin -o ../$@
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asm/%.o: asm/%.S
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nasm $< -f as86 -o $@
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boot.img: boot.bin kernel.bin
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cat $^ > $@
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test: boot.img
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bochs -f bochsrc -q
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.PHONY: clean
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clean:
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rm -f boot.bin asm/*o src/*o
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