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vm_attributes.h
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1997-04-27
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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
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* HISTORY
* $Log: vm_attributes.h,v $
* Revision 2.5 93/01/14 17:48:58 danner
* Standardized include symbol name.
* [92/06/10 pds]
*
* Revision 2.4 91/05/14 17:02:37 mrt
* Correcting copyright
*
* Revision 2.3 91/02/05 17:37:24 mrt
* Changed to new Mach copyright
* [91/02/01 17:22:17 mrt]
*
* Revision 2.2 90/01/22 23:05:53 af
* Created.
* [89/12/08 af]
*
*
*/
/*
* 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_ */