diff options
Diffstat (limited to 'cpukit/score/macros/rtems/score/address.inl')
-rw-r--r-- | cpukit/score/macros/rtems/score/address.inl | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/cpukit/score/macros/rtems/score/address.inl b/cpukit/score/macros/rtems/score/address.inl new file mode 100644 index 0000000000..3797e8906d --- /dev/null +++ b/cpukit/score/macros/rtems/score/address.inl @@ -0,0 +1,75 @@ +/* macros/address.h + * + * This include file contains the bodies of the routines + * about addresses which are inlined. + * + * 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_SCORE_ADDRESS_INL +#define _RTEMS_SCORE_ADDRESS_INL + +/*PAGE + * + * _Addresses_Add_offset + * + */ + +#define _Addresses_Add_offset( _base, _offset ) \ + ((void *)((char *)(_base) + (_offset))) + +/*PAGE + * + * _Addresses_Subtract_offset + * + */ + +#define _Addresses_Subtract_offset( _base, _offset ) \ + ((void *)((char *)(_base) - (_offset))) + +/*PAGE + * + * _Addresses_Subtract + * + * NOTE: The cast of an address to an uint32_t makes this code + * dependent on an addresses being thirty two bits. + */ + +#define _Addresses_Subtract( _left, _right ) \ + ((void *)(_left) - (void *)(_right)) + +/*PAGE + * + * _Addresses_Is_aligned + * + */ + +#if (CPU_ALIGNMENT == 0) +#define _Addresses_Is_aligned( _address ) \ + (TRUE) +#elif defined(RTEMS_CPU_HAS_16_BIT_ADDRESSES) +#define _Addresses_Is_aligned( _address ) \ + ( ( (unsigned short)(_address) % CPU_ALIGNMENT ) == 0 ) +#else +#define _Addresses_Is_aligned( _address ) \ + ( ( (uint32_t )(_address) % CPU_ALIGNMENT ) == 0 ) +#endif + +/*PAGE + * + * _Addresses_Is_in_range + * + */ + +#define _Addresses_Is_in_range( _address, _base, _limit ) \ + ( (_address) >= (_base) && (_address) <= (_limit) ) + +#endif +/* end of include file */ |