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Annotation of kernel/mach/vm_attributes.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /* 
                     26:  * Mach Operating System
                     27:  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
                     28:  * All Rights Reserved.
                     29:  * 
                     30:  * Permission to use, copy, modify and distribute this software and its
                     31:  * documentation is hereby granted, provided that both the copyright
                     32:  * notice and this permission notice appear in all copies of the
                     33:  * software, derivative works or modified versions, and any portions
                     34:  * thereof, and that both notices appear in supporting documentation.
                     35:  * 
                     36:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     37:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     38:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     39:  * 
                     40:  * Carnegie Mellon requests users of this software to return to
                     41:  * 
                     42:  *  Software Distribution Coordinator  or  [email protected]
                     43:  *  School of Computer Science
                     44:  *  Carnegie Mellon University
                     45:  *  Pittsburgh PA 15213-3890
                     46:  * 
                     47:  * any improvements or extensions that they make and grant Carnegie Mellon
                     48:  * the rights to redistribute these changes.
                     49:  */
                     50: /*
                     51:  *     File:   mach/vm_attributes.h
                     52:  *     Author: Alessandro Forin
                     53:  *
                     54:  *     Virtual memory attributes definitions.
                     55:  *
                     56:  *     These definitions are in addition to the machine-independent
                     57:  *     ones (e.g. protection), and are only selectively supported
                     58:  *     on specific machine architectures.
                     59:  *
                     60:  */
                     61: 
                     62: #ifndef        _MACH_VM_ATTRIBUTES_H_
                     63: #define        _MACH_VM_ATTRIBUTES_H_
                     64: 
                     65: /*
                     66:  *     Types of machine-dependent attributes
                     67:  */
                     68: typedef unsigned int   vm_machine_attribute_t;
                     69: 
                     70: #define        MATTR_CACHE             1       /* cachability */
                     71: #define MATTR_MIGRATE          2       /* migrability */
                     72: #define        MATTR_REPLICATE         4       /* replicability */
                     73: 
                     74: /*
                     75:  *     Values for the above, e.g. operations on attribute
                     76:  */
                     77: typedef int            vm_machine_attribute_val_t;
                     78: 
                     79: #define MATTR_VAL_OFF          0       /* (generic) turn attribute off */
                     80: #define MATTR_VAL_ON           1       /* (generic) turn attribute on */
                     81: #define MATTR_VAL_GET          2       /* (generic) return current value */
                     82: 
                     83: #define MATTR_VAL_CACHE_FLUSH  6       /* flush from all caches */
                     84: #define MATTR_VAL_DCACHE_FLUSH 7       /* flush from data caches */
                     85: #define MATTR_VAL_ICACHE_FLUSH 8       /* flush from instruction caches */
                     86: 
                     87: #endif /* _MACH_VM_ATTRIBUTES_H_ */

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