vm_attributes.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        vm_attributes.h,v $
   29  * Revision 2.5  93/01/14  17:48:58  danner
   30  *      Standardized include symbol name.
   31  *      [92/06/10            pds]
   32  * 
   33  * Revision 2.4  91/05/14  17:02:37  mrt
   34  *      Correcting copyright
   35  * 
   36  * Revision 2.3  91/02/05  17:37:24  mrt
   37  *      Changed to new Mach copyright
   38  *      [91/02/01  17:22:17  mrt]
   39  * 
   40  * Revision 2.2  90/01/22  23:05:53  af
   41  *      Created.
   42  *      [89/12/08            af]
   43  * 
   44  *
   45  */
   46 /*
   47  *      File:   mach/vm_attributes.h
   48  *      Author: Alessandro Forin
   49  *
   50  *      Virtual memory attributes definitions.
   51  *
   52  *      These definitions are in addition to the machine-independent
   53  *      ones (e.g. protection), and are only selectively supported
   54  *      on specific machine architectures.
   55  *
   56  */
   57 
   58 #ifndef _MACH_VM_ATTRIBUTES_H_
   59 #define _MACH_VM_ATTRIBUTES_H_
   60 
   61 /*
   62  *      Types of machine-dependent attributes
   63  */
   64 typedef unsigned int    vm_machine_attribute_t;
   65 
   66 #define MATTR_CACHE             1       /* cachability */
   67 #define MATTR_MIGRATE           2       /* migrability */
   68 #define MATTR_REPLICATE         4       /* replicability */
   69 
   70 /*
   71  *      Values for the above, e.g. operations on attribute
   72  */
   73 typedef int             vm_machine_attribute_val_t;
   74 
   75 #define MATTR_VAL_OFF           0       /* (generic) turn attribute off */
   76 #define MATTR_VAL_ON            1       /* (generic) turn attribute on */
   77 #define MATTR_VAL_GET           2       /* (generic) return current value */
   78 
   79 #define MATTR_VAL_CACHE_FLUSH   6       /* flush from all caches */
   80 #define MATTR_VAL_DCACHE_FLUSH  7       /* flush from data caches */
   81 #define MATTR_VAL_ICACHE_FLUSH  8       /* flush from instruction caches */
   82 
   83 #endif  /* _MACH_VM_ATTRIBUTES_H_ */

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sys/mach/vm_attributes.h