source: rtems/cpukit/score/macros/rtems/score/address.inl @ ac7d5ef0

/*  macros/address.h
 *
 *  This include file contains the bodies of the routines
 *  about addresses which are inlined.
 *
 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
 *  On-Line Applications Research Corporation (OAR).
 *  All rights assigned to U.S. Government, 1994.
 *
 *  This material may be reproduced by or for the U.S. Government pursuant
 *  to the copyright license under the clause at DFARS 252.227-7013.  This
 *  notice must appear in all copies of this file and its derivatives.
 *
 *  $Id$
 */

#ifndef __MACROS_ADDRESSES_h
#define __MACROS_ADDRESSES_h

/*PAGE
 *
 *  _Addresses_Add_offset
 *
 */

#define _Addresses_Add_offset( _base, _offset ) \
  ((void *)(_base) + (_offset))

/*PAGE
 *
 *  _Addresses_Subtract_offset
 *
 */

#define _Addresses_Subtract_offset( _base, _offset ) \
  ((void *)(_base) - (_offset))

/*PAGE
 *
 *  _Addresses_Add
 *
 *  NOTE:  The cast of an address to an unsigned32 makes this code
 *         dependent on an addresses being thirty two bits.
 */

#define _Addresses_Add( _left, _right ) \
  ((void *)(_left) + (unsigned32)(_right))

/*PAGE
 *
 *  _Addresses_Subtract
 *
 *  NOTE:  The cast of an address to an unsigned32 makes this code
 *         dependent on an addresses being thirty two bits.
 */

#define _Addresses_Subtract( _left, _right ) \
  ((void *)(_left) - (void *)(_right))

/*PAGE
 *
 *  _Addresses_Is_aligned
 *
 */

#define _Addresses_Is_aligned( _address ) \
    ( ( (unsigned32)(_address) % 4 ) == 0 )

/*PAGE
 *
 *  _Addresses_Is_in_range
 *
 */

#define _Addresses_Is_in_range( _address, _base, _limit ) \
  ( (_address) >= (_base) && (_address) <= (_limit) )

#endif
/* end of include file */