The main entry point from zygote.

通过硬件抽象层定义的硬件访问接口读取硬件寄存器val的值*/

通过硬件抽象层定义的硬件访问接口设置硬件寄存器val的值*/

*define devfs access *******************************************/ 读取寄存器val的值到缓冲区buf中，内部使用*/

把缓冲区buf的值写到设备寄存器val中去，内部使用*/

*define devfs access *******************************************/ 读取寄存器lamp的值到缓冲区buf中，内部使用*/

把缓冲区buf的值写到设备寄存器lamp中去，内部使用*/

*define load and remove function *******************************************/ 初始化设备*/

*define load and remove function *******************************************/ 初始化设备*/

创建/proc/hello文件*/

通过硬件抽象层定义的硬件模块打开接口打开硬件设备*/

删除/proc/hello文件*/

注册JNI方法*/

Starts the small tangle of critical services that are needed to get the system off the ground. These services have complex mutual dependencies which

Starts some essential services that are not tangled up in the bootstrap process.

Starts a miscellaneous grab bag of stuff that has yet to be refactored and organized.

Start the sensor service.

创建/proc/vp文件*/

通过硬件抽象层定义的硬件模块打开接口打开硬件设备*/

删除/proc/vp文件*/