dpmem.h

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/* COPYRIGHT (c) 1989-2008.
 * On-Line Applications Research Corporation (OAR).
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.org/license/LICENSE.
 */

#ifndef _RTEMS_RTEMS_DPMEM_H
#define _RTEMS_RTEMS_DPMEM_H

#include <rtems/rtems/types.h>
#include <rtems/rtems/status.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
  Objects_Control  Object;
  void            *internal_base;
  void            *external_base;
  uint32_t         length;
}   Dual_ported_memory_Control;

rtems_status_code rtems_port_create(
  rtems_name    name,
  void         *internal_start,
  void         *external_start,
  uint32_t      length,
  rtems_id     *id
);

rtems_status_code rtems_port_ident(
  rtems_name    name,
  rtems_id     *id
);

rtems_status_code rtems_port_delete(
  rtems_id   id
);

rtems_status_code rtems_port_external_to_internal(
  rtems_id     id,
  void        *external,
  void       **internal
);

rtems_status_code rtems_port_internal_to_external(
  rtems_id     id,
  void        *internal,
  void       **external
);

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */