單獨編譯驅動
ifneq ($(KERNELRELEASE),)
obj-m:=hello.o
else
KERNELDIR:=/lib/modules/$(shell uname -r)/build
PWD:=$(shell pwd)
all:
$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
.PHONY: clean
clean:
rm -rf *.o *.mod.c *.mod.o *.ko *.order *symvers
endif
petalinux 2015.2.1驅動Makefile
ifndef PETALINUX
$(error You must source the petalinux/settings.sh script before working with PetaLinux)
endif
-include modules.common.mk
ccflags-y += -Wno-error=date-time
KERNEL_BUILD:=$(PROOT)/build/$(LINUX_KERNEL)
LOCALPWD=$(shell pwd)
obj-m += pcie_sata_ep.o
all: build modules install
build:modules
.PHONY: build clean modules
clean:
make INSTANCE=$(LINUX_KERNEL) -C $(KERNEL_BUILD) M=$(LOCALPWD) clean
modules:
if [ ! -f "$(PROOT)/build/$(LINUX_KERNEL)/link-to-kernel-build/Module.symvers" ]; then \
echo "ERROR: Failed to build module ${INSTANCE} because kernel hasn't been built."; \
echo "ERROR: Please build kernel with petalinux-build -c kernel first."; \
exit 255; \
else \
make INSTANCE=$(LINUX_KERNEL) -C $(KERNEL_BUILD) M=$(LOCALPWD) modules_only; \
fi
install: $(addprefix $(DIR),$(subst .o,.ko,$(obj-m)))
if [ ! -f "$(PROOT)/build/$(LINUX_KERNEL)/link-to-kernel-build/Module.symvers" ]; then \
echo "ERROR: Failed to install module ${INSTANCE} because kernel hasn't been built."; \
echo "ERROR: Please build kernel with petalinux-build -c kernel first."; \
exit 255; \
else \
make INSTANCE=$(LINUX_KERNEL) -C $(KERNEL_BUILD) M=$(LOCALPWD) INSTALL_MOD_PATH=$(TARGETDIR) modules_install_only; \
fi
help:
@echo ""
@echo "Quick reference for various supported build targets for $(INSTANCE)."
@echo "----------------------------------------------------"
@echo " clean clean out build objects"
@echo " all build $(INSTANCE) and install to rootfs host copy"
@echo " build build subsystem"
@echo " install install built objects to rootfs host copy"