AS = riscv64-elf-as
LD = riscv64-elf-ld

ASFLAGS += -march=rv64imac -mabi=lp64

.PHONY: all clean

all: init.cpio

%.o: %.S
	$(AS) $(ASFLAGS) -c $< -o $@

root: root.o
	$(LD) -Tlink.ld $^ -o $@

init.cpio: root
	find . -type f -executable | cpio -ov -H crc > init.cpio

clean:
	rm -f *.o root
	rm -f init.cpio