1*212c1933SFabiano Rosas# To specify cross compiler prefix, use CROSS_PREFIX= 2*212c1933SFabiano Rosas# $ make CROSS_PREFIX=x86_64-linux-gnu- 3*212c1933SFabiano Rosas 4*212c1933SFabiano Rosas.PHONY: all clean 5*212c1933SFabiano Rosasall: a-b-bootblock.h 6*212c1933SFabiano Rosas 7*212c1933SFabiano Rosasa-b-bootblock.h: x86.bootsect x86.o 8*212c1933SFabiano Rosas echo "$$__note" > header.tmp 9*212c1933SFabiano Rosas xxd -i $< | sed -e 's/.*int.*//' >> header.tmp 10*212c1933SFabiano Rosas nm x86.o | awk '{print "#define SYM_"$$3" 0x"$$1}' >> header.tmp 11*212c1933SFabiano Rosas mv header.tmp $@ 12*212c1933SFabiano Rosas 13*212c1933SFabiano Rosasx86.bootsect: x86.boot 14*212c1933SFabiano Rosas dd if=$< of=$@ bs=256 count=2 skip=124 15*212c1933SFabiano Rosas 16*212c1933SFabiano Rosasx86.boot: x86.o 17*212c1933SFabiano Rosas $(CROSS_PREFIX)objcopy -O binary $< $@ 18*212c1933SFabiano Rosas 19*212c1933SFabiano Rosasx86.o: a-b-bootblock.S 20*212c1933SFabiano Rosas $(CROSS_PREFIX)gcc -I.. -m32 -march=i486 -c $< -o $@ 21*212c1933SFabiano Rosas 22*212c1933SFabiano Rosasclean: 23*212c1933SFabiano Rosas @rm -rf *.boot *.o *.bootsect 24