Build own driver alone
===========================================


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        Topics in this section,

                * :ref:`Learnings in this section <FreebsdDeviceDriver_kernel_compilation_build_driver_step1>`

                * :ref:`Version Info <FreebsdDeviceDriver_kernel_compilation_build_driver_step2>`

                * :ref:`Steps to build own driver alone <FreebsdDeviceDriver_kernel_compilation_build_driver_step3>`

                        * :ref:`STEP 1: Follow below link till step 7 <FreebsdDeviceDriver_kernel_compilation_build_driver_step4>`

                        * :ref:`STEP 2: Compile kernel <FreebsdDeviceDriver_kernel_compilation_build_driver_step5>`

                        * :ref:`STEP 3: Check the generated module <FreebsdDeviceDriver_kernel_compilation_build_driver_step6>`

                        * :ref:`STEP 4: Load the module <FreebsdDeviceDriver_kernel_compilation_build_driver_step7>`

                        * :ref:`STEP 5: Unload the module <FreebsdDeviceDriver_kernel_compilation_build_driver_step8>`


.. _FreebsdDeviceDriver_kernel_compilation_build_driver_step1:
  
.. tab-set::

   .. tab-item:: Clean kernel compilation

        * In this section, you are going to learn


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                * How to build own driver alone


.. _FreebsdDeviceDriver_kernel_compilation_build_driver_step2:

.. tab-set::
 
    .. tab-item:: Version Info

        =============================== =======================================
        #                               Version
        =============================== =======================================
        Freebsd                         14.1.0
        =============================== =======================================


.. _FreebsdDeviceDriver_kernel_compilation_build_driver_step3:

.. tab-set::

    .. tab-item:: Steps to build own driver with kernel compilation


	.. _FreebsdDeviceDriver_kernel_compilation_build_driver_step4:

        .. tab-set::

           .. tab-item:: STEP 1: Follow below link till step 7

		:doc:`../build_drv_with_kernel_compilation/build_drv_with_kernel_compilation`


	.. _FreebsdDeviceDriver_kernel_compilation_build_driver_step5:

        .. tab-set::

           .. tab-item:: STEP 2: Compile kernel

		* Execute the below command to  build the kernel compilation

                .. code-block:: c

                        test:~$ cd /usr/src/sys/module/mychar/ 
				
			test:~$ make


	.. _FreebsdDeviceDriver_kernel_compilation_build_driver_step6:

        .. tab-set::

           .. tab-item:: STEP 3: Check the generated module 

                * Check for the module generated in below path

                .. code-block:: c

                        test:~$ ls /usr/obj/usr/src/amd64.amd64/sys/modules/mychar/
			mychar.ko
	

	.. _FreebsdDeviceDriver_kernel_compilation_build_driver_step7:

        .. tab-set::

           .. tab-item:: STEP 4: Load the module

                * Move to the directory and load the module by running below command

                .. code-block:: c

                        test:~$ cd /usr/obj/usr/src/amd64.amd64/sys/modules/mychar/

			test:~$ kldload mychar.ko


	.. _FreebsdDeviceDriver_kernel_compilation_build_driver_step8:

        .. tab-set::

           .. tab-item:: STEP 5: Unload the module

                * Unload the module from the system by running below command

                .. code-block:: c

                        test:~$ cd /usr/obj/usr/src/amd64.amd64/sys/modules/mychar/

			test:~$ kldunload mychar.ko