.. SPDX-License-Identifier: CC-BY-SA-4.0

.. Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR)

Introduction
============

The dual-ported memory manager provides a mechanism for converting addresses
between internal and external representations for multiple dual-ported memory
areas (DPMA).  The directives provided by the dual-ported memory manager are:

- :ref:`rtems_port_create`

- :ref:`rtems_port_ident`

- :ref:`rtems_port_delete`

- :ref:`rtems_port_external_to_internal`

- :ref:`rtems_port_internal_to_external`