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/* address.h
*
* This include file contains the information required to manipulate
* physical addresses.
*
* COPYRIGHT (c) 1988-1997.
* On-Line Applications Research Corporation (OAR).
* All rights reserved.
*
* $Id$
*/
#ifndef __ADDRESSES_h
#define __ADDRESSES_h
/*
* _Addresses_Add_offset
*
* DESCRIPTION:
*
* This function is used to add an offset to a base address.
* It returns the resulting address. This address is typically
* converted to an access type before being used further.
*/
STATIC INLINE void *_Addresses_Add_offset (
void *base,
unsigned32 offset
);
/*
* _Addresses_Subtract_offset
*
* DESCRIPTION:
*
* This function is used to subtract an offset from a base
* address. It returns the resulting address. This address is
* typically converted to an access type before being used further.
*/
STATIC INLINE void *_Addresses_Subtract_offset(
void *base,
unsigned32 offset
);
/*
* _Addresses_Add
*
* DESCRIPTION:
*
* This function is used to add two addresses. It returns the
* resulting address. This address is typically converted to an
* access type before being used further.
*/
STATIC INLINE void *_Addresses_Add (
void *left,
void *right
);
/*
* _Addresses_Subtract
*
* DESCRIPTION:
*
* This function is used to subtract two addresses. It returns the
* resulting offset.
*/
STATIC INLINE unsigned32 _Addresses_Subtract (
void *left,
void *right
);
/*
* _Addresses_Is_aligned
*
* DESCRIPTION:
*
* This function returns TRUE if the given address is correctly
* aligned for this processor and FALSE otherwise. Proper alignment
* is based on correctness and efficiency.
*/
STATIC INLINE boolean _Addresses_Is_aligned (
void *address
);
/*
* _Addresses_Is_in_range
*
* DESCRIPTION:
*
* This function returns TRUE if the given address is within the
* memory range specified and FALSE otherwise. base is the address
* of the first byte in the memory range and limit is the address
* of the last byte in the memory range. The base address is
* assumed to be lower than the limit address.
*/
STATIC INLINE boolean _Addresses_Is_in_range (
void *address,
void *base,
void *limit
);
#include "address.inl"
#endif
/* end of include file */
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