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make -C $(KERNELDIR) M=$(PWD) modules ARCH=openrisc CROSS_COMPILE=or32-linux-
16.
17.modules_install:
18. make -C $(KERNELDIR) M=$(PWD) modules_install ARCH=openrisc CROSS_COMPILE=or32-linux-
19.
20.clean:
21. rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions *.order *.symvers
22.
23..PHONY: modules modules_install clean
24.
25.else
26. # called from kernel build system: just declare what our modules are
27. obj-m := ip_mkg.o
28.endif
# To build modules outside of the kernel tree, we run "make"
# in the kernel source tree; the Makefile these then includes this
# Makefile once again.
# This conditional selects whether we are being included from the
# kernel Makefile or not.
ifeq ($(KERNELRELEASE),)
# Assume the source tree is where the running kernel was built
# You should set KERNELDIR in the environment if it's elsewhere
KERNELDIR ?= /home/openrisc/soc-design/linux
# The current directory is passed to sub-makes as argument
PWD := $(shell pwd)
modules:
make -C $(KERNELDIR) M=$(PWD) modules ARCH=openrisc CROSS_COMPILE=or32-linux-
modules_install:
make -C $(KERNELDIR) M=$(PWD) modules_install ARCH=openrisc CROSS_COMPILE=or32-linux-
clean:
rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions *.order *.symvers
.PHONY: modules modules_install clean
else
# called from kernel build system: just declare what our modules are
obj-m := ip_mkg.o
endif 论文网
21.5 测试
然后make生成ip_mkg.ko，并insmod进内核。就可以看到最终结果。如图，可以看到1 + 2 = 3。
21.6 小结
自此，ORSoC就变成一个transformer了，你可以随意的添加自己想要的ipcore，以实现不同的function。
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