Source to mach/vm_attributes.h


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/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
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 * @[email protected]
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 * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
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/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
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 * 
 * Carnegie Mellon requests users of this software to return to
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 */
/*
 *	File:	mach/vm_attributes.h
 *	Author:	Alessandro Forin
 *
 *	Virtual memory attributes definitions.
 *
 *	These definitions are in addition to the machine-independent
 *	ones (e.g. protection), and are only selectively supported
 *	on specific machine architectures.
 *
 */

#ifndef	_MACH_VM_ATTRIBUTES_H_
#define	_MACH_VM_ATTRIBUTES_H_

/*
 *	Types of machine-dependent attributes
 */
typedef unsigned int	vm_machine_attribute_t;

#define	MATTR_CACHE		1	/* cachability */
#define MATTR_MIGRATE		2	/* migrability */
#define	MATTR_REPLICATE		4	/* replicability */

/*
 *	Values for the above, e.g. operations on attribute
 */
typedef int		vm_machine_attribute_val_t;

#define MATTR_VAL_OFF		0	/* (generic) turn attribute off */
#define MATTR_VAL_ON		1	/* (generic) turn attribute on */
#define MATTR_VAL_GET		2	/* (generic) return current value */

#define MATTR_VAL_CACHE_FLUSH	6	/* flush from all caches */
#define MATTR_VAL_DCACHE_FLUSH	7	/* flush from data caches */
#define MATTR_VAL_ICACHE_FLUSH	8	/* flush from instruction caches */

#endif	/* _MACH_VM_ATTRIBUTES_H_ */