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/* support.h
*
* This include file contains information about support functions for
* the RTEMS API.
*
* COPYRIGHT (c) 1989-1999.
* 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.com/license/LICENSE.
*
* $Id$
*/
#ifndef __RTEMS_RTEMS_SUPPORT_h
#define __RTEMS_RTEMS_SUPPORT_h
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <rtems/rtems/types.h>
#include <rtems/rtems/status.h>
/*
* rtems_build_name
*
* DESCRIPTION:
*
* This function returns an object name composed of the four characters
* C1, C2, C3, and C4.
*
* NOTE:
*
* This must be implemented as a macro for use in Configuration Tables.
*
*/
#define rtems_build_name( _C1, _C2, _C3, _C4 ) \
( (unsigned32)(_C1) << 24 | (unsigned32)(_C2) << 16 | (unsigned32)(_C3) << 8 | (unsigned32)(_C4) )
/*
* rtems_get_class
*
* DESCRIPTION:
*
* This function returns the class portion of the ID.
*
*/
#define rtems_get_class( _id ) \
_Objects_Get_class( _id )
/*
* rtems_get_node
*
* DESCRIPTION:
*
* This function returns the node portion of the ID.
*
*/
#define rtems_get_node( _id ) \
_Objects_Get_node( _id )
/*
* rtems_get_index
*
* DESCRIPTION:
*
* This function returns the index portion of the ID.
*
*/
#define rtems_get_index( _id ) \
_Objects_Get_index( _id )
/*
* Time related
*/
#define RTEMS_MILLISECONDS_TO_MICROSECONDS(_ms) \
TOD_MILLISECONDS_TO_MICROSECONDS(_ms)
#define RTEMS_MILLISECONDS_TO_TICKS(_ms) \
TOD_MILLISECONDS_TO_TICKS(_ms)
#define RTEMS_MICROSECONDS_TO_TICKS(_ms) \
TOD_MICROSECONDS_TO_TICKS(_ms)
/*
* Workspace Related
*/
/*
* rtems_workspace_get_information
*
* DESCRIPTION:
*
* This directive will return information about the RTEMS
* executive workspace.
*/
rtems_status_code rtems_workspace_get_information(
Heap_Information_block *the_info
);
/*
* rtems_workspace_free_space
*
* DESCRIPTION:
*
* This directive will return the number of bytes available in the RTEMS
* executive workspace. This area is probably not be contiguous.
*/
size_t rtems_workspace_free_space(void);
#ifndef __RTEMS_APPLICATION__
#include <rtems/rtems/support.inl>
#endif
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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