i8253_ref-module-Makefile

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# Build Tutorial I8253 refresh counter driver.
 
KERNEL_SOURCE_TREE:=/lib/modules/$(shell uname -r)/build
PWD:=$(shell pwd)
 
# specify object.
obj-m:=i8253_ref.o
 
.PHONY: modules clean # install
modules:
        make -C $(KERNEL_SOURCE_TREE) M=$(PWD) modules
 
clean:
        make -C $(KERNEL_SOURCE_TREE) M=$(PWD) clean
 
#install:
#       make -C $(KERNEL_SOURCE_TREE) M=$(PWD) install