On 8 July 2014 21:24, Tomas Daujotas <[email protected]> wrote:
> I was looking for a good reference for OpenWRT kernel module development
> workflow.
See attached file with commands. This allow you writing some external
module as an OpenWrt package.
helloworld/Makefile will have probably white spaces broken, you may
fix them by hand
cd package/kernel
mkdir -p helloworld/src
echo "obj-m += helloworld.o" > helloworld/src/Makefile
touch helloworld/src/helloworld.c
cat << 'EOF' > helloworld/Makefile
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=helloworld
PKG_RELEASE:=1
include $(INCLUDE_DIR)/package.mk
define KernelPackage/helloworld
SECTION:=kernel
CATEGORY:=Kernel modules
TITLE:=Hello world kernel module
FILES:= \
$(PKG_BUILD_DIR)/helloworld.ko
AUTOLOAD:=$(call AutoLoad,30,helloworld)
endef
define Build/Prepare
# Copy sources
mkdir -p $(PKG_BUILD_DIR)
cp -R ./src/* $(PKG_BUILD_DIR)/
endef
define Build/Compile
$(MAKE) -C "$(LINUX_DIR)" \
CROSS_COMPILE="$(TARGET_CROSS)" \
ARCH="$(LINUX_KARCH)" \
SUBDIRS="$(PKG_BUILD_DIR)" \
modules
endef
$(eval $(call KernelPackage,helloworld))
EOF
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