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      1 ifneq ($(KERNELRELEASE),)
      2 # kbuild part of makefile
      3 
      4 ifneq ($(KMOD_TESTSUITE_ARCH_BUILD),1)
      5 obj-m := mod-simple.o
      6 
      7 # mod-foo depends on foo-x, and foo-x modules don't depend
      8 # on anyone
      9 obj-m += mod-foo-a.o
     10 obj-m += mod-foo-b.o
     11 obj-m += mod-foo-c.o
     12 obj-m += mod-foo.o
     13 
     14 # mod-loop: create loops in dependencies:
     15 # 1) mod-loop-a  ->  mod-loop-b -> mod-loop-c -> mod-loop-a
     16 #     |-> mod-loop-f    |-> mod-loop-f
     17 #     \-> mod-loop-g    \-> mod-loop-g
     18 # 2) mod-loop-d -> mod-loop-e -> mod-loop-d
     19 # 3.1) mod-loop-h -> mod-loop-i -> mod-loop-j -> mod-loop-h
     20 # 3.2) mod-loop-h -> mod-loop-i -> mod-loop-j -> mod-loop-k -> mod-loop-h
     21 
     22 obj-m += mod-loop-a.o
     23 obj-m += mod-loop-b.o
     24 obj-m += mod-loop-c.o
     25 obj-m += mod-loop-d.o
     26 obj-m += mod-loop-e.o
     27 obj-m += mod-loop-f.o
     28 obj-m += mod-loop-g.o
     29 obj-m += mod-loop-h.o
     30 obj-m += mod-loop-i.o
     31 obj-m += mod-loop-j.o
     32 obj-m += mod-loop-k.o
     33 
     34 # mod-fake-*: fake the respective modules in kernel with these aliases. Aliases
     35 # list was taken from 3.5.4
     36 obj-m += mod-fake-hpsa.o
     37 obj-m += mod-fake-scsi-mod.o
     38 obj-m += mod-fake-cciss.o
     39 
     40 else
     41 # only build ARCH-specific module
     42 ifeq ($(ARCH),)
     43     $(error ARCH must be set to a valid architecture)
     44 endif
     45 obj-m := mod-simple-$(ARCH).o
     46 endif
     47 
     48 else
     49 # normal makefile
     50 KDIR ?= /lib/modules/`uname -r`/build
     51 KVER ?= `uname -r`
     52 ifeq ($(FAKE_BUILD),)
     53     FAKE_BUILD=0
     54 endif
     55 
     56 ARCH_SPECIFIC_MODULES := mod-simple-x86_64.ko mod-simple-i386.ko mod-simple-sparc64.ko
     57 MY_MODULES := $(filter-out $(ARCH_SPECIFIC_MODULES),$(wildcard *.ko))
     58 
     59 default: modules arch-modules
     60 
     61 mod-simple-%.ko: mod-simple-%.c Makefile.arch
     62 	$(eval arch=$(patsubst mod-simple-%.ko,%,$@))
     63 	$(MAKE) KDIR=$(KDIR_$(arch)) ARCH=$(arch) CROSS_COMPILE=$(CROSS_COMPILE_$(arch)) -f Makefile.arch
     64 
     65 ifeq ($(FAKE_BUILD),0)
     66 modules:
     67 	$(MAKE) -C $(KDIR) M=$$PWD
     68 else
     69 modules:
     70 	@echo "  CP       cache/*.ko"
     71 	@cp cache/*.ko .
     72 endif
     73 
     74 arch-modules: $(ARCH_SPECIFIC_MODULES)
     75 
     76 clean:
     77 	test -z "$(MY_MODULES)" || rm -rf $(MY_MODULES) || true
     78 	rm -rf .tmp_versions || true
     79 	rm -rf .*.cmd *.mod.c || true
     80 	rm -rf *.o || true
     81 	rm -rf Module.symvers modules.order
     82 
     83 endif
     84