add oscourse shiyan1

DISTRO_NAME = "PolyOS"

DISTRO_VERSION = "PolyOS.1.0"

# We have a conf and classes directory, add to BBPATH

BBPATH .= ":${LAYERDIR}"

# We have recipes-* directories, add to BBFILES

BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \

            ${LAYERDIR}/recipes-*/*/*.bbappend"

BBFILE_COLLECTIONS += "meta-oscourse"

BBFILE_PATTERN_meta-oscourse = "^${LAYERDIR}/"

BBFILE_PRIORITY_meta-oscourse = "8"

LAYERVERSION_meta-oscourse = "1"

LAYERDEPENDS_meta-oscourse = "core"

LAYERSERIES_COMPAT_meta-oscourse = "honister"

MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS += "hello"    

KERNEL_MODULE_AUTOLOAD += "hello"

obj-m += hello.o

SRC := $(shell pwd)

KERNEL_SRC := $(shell pwd)/../../../../../work-shared/qemuriscv64/kernel-source

all:

	make -C  $(KERNEL_SRC) ARCH=riscv M=$(SRC) modules

clean:

	make -C $(KERNEL_SRC) ARCH=riscv M=$(SRC) clean

#include <linux/init.h>

#include <linux/module.h>

#include <linux/kernel.h>

/*

 * hello_init ---初始化函数，当模块装载时被调用，如果成功返回 0，否则返回非0值

 *

 */

static int __init hello_init(void){

	printk(KERN_ALERT"hello kernel.\n");

	return 0;

}

/*

 * hello_exit ---退出函数，当模块卸载时被调用

 *

 */

static void __exit hello_exit(void){

	printk(KERN_ALERT"exit kernel.\n");

}

module_init(hello_init);

module_exit(hello_exit);

MODULE_LICENSE("Dual BSD/GPL");

LICENSE = "CLOSED"

SRC_URI = "file://hello.c \

           file://Makefile \

         "

inherit module 

do_copy_files () {

  echo  $WORKDIR

  cp  -f ${WORKDIR}/hello.c ${WORKDIR}/hello-0.1/

  cp  -f ${WORKDIR}/Makefile ${WORKDIR}/hello-0.1/

}

addtask do_copy_files after do_configure before do_compile 

do_compile() { 

  echo $WORKDIR

  make

}

do_install(  ){

  install -d ${D}/lib/modules/${KERNEL_VERSION}

  cd  ${WORKDIR}/hello-0.1/

  install -m 0644 hello.ko ${D}/lib/modules/${KERNEL_VERSION}

}