1# To specify cross compiler prefix, use CROSS_PREFIX= 2# $ make CROSS_PREFIX=x86_64-linux-gnu- 3 4.PHONY: all clean 5all: a-b-bootblock.h 6 7a-b-bootblock.h: x86.bootsect x86.o 8 echo "$$__note" > header.tmp 9 xxd -i $< | sed -e 's/.*int.*//' >> header.tmp 10 nm x86.o | awk '{print "#define SYM_"$$3" 0x"$$1}' >> header.tmp 11 mv header.tmp $@ 12 13x86.bootsect: x86.boot 14 dd if=$< of=$@ bs=256 count=2 skip=124 15 16x86.boot: x86.o 17 $(CROSS_PREFIX)objcopy -O binary $< $@ 18 19x86.o: a-b-bootblock.S 20 $(CROSS_PREFIX)gcc -I.. -m32 -march=i486 -c $< -o $@ 21 22clean: 23 @rm -rf *.boot *.o *.bootsect 24