.. _kernel:

Zephyr Kernel Primer
####################

This section describes the major features of the Zephyr kernel
and how to use them.

.. toctree::
   :maxdepth: 2

   overview/overview.rst
   common/common.rst
   microkernel/microkernel.rst
   nanokernel/nanokernel.rst

.. rubric:: Abbreviations

+---------------+-------------------------------------------------------------------+
| Abbreviations | Definition                                                        |
+===============+===================================================================+
| API           | Application Program Interface: typically a defined set            |
|               | of routines and protocols for building software inputs and output |
|               | mechanisms.                                                       |
+---------------+-------------------------------------------------------------------+
| ISR           | Interrupt Service Routine                                         |
+---------------+-------------------------------------------------------------------+
| IDT           | Interrupt Descriptor Table                                        |
+---------------+-------------------------------------------------------------------+
| XIP           | eXecute In Place                                                  |
+---------------+-------------------------------------------------------------------+