makefile

在LINUX下利用libusb进行SMDK2440的开发工作

CROSS_COMPILE ?= arm-linux-

gcc     = ${CROSS_COMPILE}gcc
objdump = ${CROSS_COMPILE}objdump
objcopy = ${CROSS_COMPILE}objcopy
ld      = ${CROSS_COMPILE}ld

INITRD ?= /home/armlinux/h1940-initrd.dat

.PHONY:	${KERNEL} ${KERNEL}/arch/arm/boot/zImage

all:	kernel.dat

clean:
	-rm kernel.dat
	-rm output.dat
	-rm *.o

# build kernel data file from zImage in specified directory

kernel.dat:	tags.h ${KERNEL}/arch/arm/boot/zImage
	${gcc} -c -o wrap.o wrap.S
	${gcc} -c -o tags.o tags.S
	${gcc} -c -o boot.o boot.S
	${gcc} -c -o kernel.o kernel.S -DKERNEL=\"${KERNEL}/arch/arm/boot/zImage\"
	${gcc} -c -o initrd.o initrd.S -DINITRD=\"${INITRD}\"
	${ld}  -o output.o -T link.lds wrap.o tags.o boot.o kernel.o initrd.o
	${objcopy} -O binary output.o output.dat

# turn kernel's setup.h into a file we can include

tags.h:	${KERNEL}/include/asm-arm/setup.h
	cat ${KERNEL}/include/asm-arm/setup.h | grep \#define | grep ATAG > tags.h