#include
     
      #include
      
       static int __init hello_init(void){    printk("Hello init\n");    return 0;}static int __exit hello_exit(void){    printk("Hello exit\n");}module_init(hello_init);module_exit(hello_exit);
      
     

交叉编译 Makefile文件（ARM）：

ifneq ($(KERNELRELEASE),)obj-m := hello.oelseKDIR := /usr/src/linux2.6.28all:    make -C $(KDIR) M=$(PWD) modules ARCH=arm CROSS_COMPILE=arm-linux-clean:    rm -f *.ko *.o *.mod.o *.mod.c *.symvers  modul*endif

X86：

## Makefile template. obj-m := hello.oUNAME := $(shell uname -r)PWD := $(shell pwd)ADVMOD := hello defualt:    @make -C /lib/modules/$(UNAME)/build SUBDIRS=$(PWD) modules clean:        @rm -f *.o        @rm -f *.ko    @rm -f *.mod.c    @rm -f .*.cmd    @rm -rf .tmp_versions#endif

Linux下：

OBJ = qudongifneq ($(KERNELRELEASE),)obj-m := $(OBJ).oelseKDIR := /usr/src/linux-headers-3.2.0-20-generic-paeall:    rmmod $(OBJ)    make -C $(KDIR) M=$(PWD) modules    insmod $(OBJ).koclean:    rm -f *.ko *.o *.mod.o *.mod.c *.symvers  modul*endif