1. 根目录:
2. arch
3. x86
4. kernel
5. acpi
6. Makefile

obj-$(CONFIG_ACPI)		+= boot.o
obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup_$(BITS).o

ifneq ($(CONFIG_ACPI_PROCESSOR),)
obj-y				+= cstate.o
endif