| 1 | # To specify cross compiler prefix, use CROSS_PREFIX= |
| 2 | # $ make CROSS_PREFIX=x86_64-linux-gnu- |
| 3 | |
| 4 | .PHONY: all clean |
| 5 | all: a-b-bootblock.h |
| 6 | |
| 7 | a-b-bootblock.h: x86.bootsect x86.o |
| 8 | echo "$$__note" > header.tmp |
| 9 | xxd -i $< | sed -e '/.*int.*/d' >> header.tmp |
| 10 | nm x86.o | awk '{print "#define SYM_"$$3" 0x"$$1}' >> header.tmp |
| 11 | mv header.tmp $@ |
| 12 | |
| 13 | x86.bootsect: x86.boot |
| 14 | dd if=$< of=$@ bs=256 count=2 skip=124 |
| 15 | |
| 16 | x86.boot: x86.o |
| 17 | $(CROSS_PREFIX)objcopy -O binary $< $@ |
| 18 | |
| 19 | x86.o: a-b-bootblock.S |
| 20 | $(CROSS_PREFIX)gcc -I.. -m32 -march=i486 -c $< -o $@ |
| 21 | |
| 22 | clean: |
| 23 | @rm -rf *.boot *.o *.bootsect *.h |