1d54927efSWei Huang# To specify cross compiler prefix, use CROSS_PREFIX= 2d54927efSWei Huang# $ make CROSS_PREFIX=x86_64-linux-gnu- 3d54927efSWei Huang 4d54927efSWei Huang.PHONY: all clean 5d54927efSWei Huangall: a-b-bootblock.h 6d54927efSWei Huang 7*5014478eSSteve Sistarea-b-bootblock.h: x86.bootsect x86.o 8d54927efSWei Huang echo "$$__note" > header.tmp 9d54927efSWei Huang xxd -i $< | sed -e 's/.*int.*//' >> header.tmp 10*5014478eSSteve Sistare nm x86.o | awk '{print "#define SYM_"$$3" 0x"$$1}' >> header.tmp 11d54927efSWei Huang mv header.tmp $@ 12d54927efSWei Huang 13d54927efSWei Huangx86.bootsect: x86.boot 14d54927efSWei Huang dd if=$< of=$@ bs=256 count=2 skip=124 15d54927efSWei Huang 16d54927efSWei Huangx86.boot: x86.o 17d54927efSWei Huang $(CROSS_PREFIX)objcopy -O binary $< $@ 18d54927efSWei Huang 19d54927efSWei Huangx86.o: a-b-bootblock.S 20*5014478eSSteve Sistare $(CROSS_PREFIX)gcc -I.. -m32 -march=i486 -c $< -o $@ 21d54927efSWei Huang 22d54927efSWei Huangclean: 23d54927efSWei Huang @rm -rf *.boot *.o *.bootsect 24