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Annotation of XNU/osfmk/ppc/pmap.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * @OSF_COPYRIGHT@
        !            24:  */
        !            25: /*
        !            26:  * Copyright (c) 1990 The University of Utah and
        !            27:  * the Center for Software Science at the University of Utah (CSS).
        !            28:  * All rights reserved.
        !            29:  *
        !            30:  * Permission to use, copy, modify and distribute this software is hereby
        !            31:  * granted provided that (1) source code retains these copyright, permission,
        !            32:  * and disclaimer notices, and (2) redistributions including binaries
        !            33:  * reproduce the notices in supporting documentation, and (3) all advertising
        !            34:  * materials mentioning features or use of this software display the following
        !            35:  * acknowledgement: ``This product includes software developed by the Center
        !            36:  * for Software Science at the University of Utah.''
        !            37:  *
        !            38:  * THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
        !            39:  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF
        !            40:  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            41:  *
        !            42:  * CSS requests users of this software to return to [email protected] any
        !            43:  * improvements that they make and grant CSS redistribution rights.
        !            44:  *
        !            45:  *     Utah $Hdr: pmap.h 1.13 91/09/25$
        !            46:  *     Author: Mike Hibler, Bob Wheeler, University of Utah CSS, 9/90
        !            47:  */
        !            48: 
        !            49: #ifndef        _PPC_PMAP_H_
        !            50: #define        _PPC_PMAP_H_
        !            51: 
        !            52: #include <mach/vm_types.h>
        !            53: #include <mach/machine/vm_types.h>
        !            54: #include <mach/vm_prot.h>
        !            55: #include <mach/vm_statistics.h>
        !            56: #include <kern/queue.h>
        !            57: 
        !            58: 
        !            59: struct pmap {
        !            60:        queue_head_t            pmap_link;   /* MUST BE FIRST */
        !            61:        decl_simple_lock_data(,lock)         /* lock on map */
        !            62:        int                     ref_count;   /* reference count */
        !            63:        space_t                 space;       /* space for this pmap */
        !            64:        struct pmap_statistics  stats;       /* statistics */
        !            65: };
        !            66: 
        !            67: #define        PMAP_SWITCH_USER(th, map, my_cpu) th->map = map;        
        !            68: 
        !            69: #define PMAP_ACTIVATE(pmap, th, cpu)
        !            70: #define PMAP_DEACTIVATE(pmap, th, cpu)
        !            71: #define PMAP_CONTEXT(pmap,th)
        !            72: 
        !            73: #define pmap_kernel_va(VA)     \
        !            74:        (((VA) >= VM_MIN_KERNEL_ADDRESS) && ((VA) <= VM_MAX_KERNEL_ADDRESS))
        !            75: 
        !            76: #define        PPC_SID_KERNEL  0       /* Must change KERNEL_SEG_REG0_VALUE if !0 */
        !            77: #define SID_MAX        ((1<<20) - 1)   /* Space ID=20 bits, segment_id=SID + 4 bits */
        !            78: 
        !            79: #define        pmap_resident_count(pmap)       ((pmap)->stats.resident_count)
        !            80: #define pmap_remove_attributes(pmap,start,end)
        !            81: #define pmap_copy(dpmap,spmap,da,len,sa)
        !            82: #define        pmap_update()
        !            83: 
        !            84: #define pmap_phys_address(x)   ((x) << PPC_PGSHIFT)
        !            85: #define pmap_phys_to_frame(x)  ((x) >> PPC_PGSHIFT)
        !            86: 
        !            87: /* 
        !            88:  * prototypes.
        !            89:  */
        !            90: extern void            ppc_protection_init(void);
        !            91: extern vm_offset_t phystokv(vm_offset_t pa);                                   /* Get kernel virtual address from physical */
        !            92: extern vm_offset_t kvtophys(vm_offset_t va);                                   /* Get physical address from kernel virtual */
        !            93: extern vm_offset_t     pmap_map(vm_offset_t va,
        !            94:                                 vm_offset_t spa,
        !            95:                                 vm_offset_t epa,
        !            96:                                 vm_prot_t prot);
        !            97: extern kern_return_t    pmap_add_physical_memory(vm_offset_t spa,
        !            98:                                                 vm_offset_t epa,
        !            99:                                                 boolean_t available,
        !           100:                                                 unsigned int attr);
        !           101: extern vm_offset_t     pmap_map_bd(vm_offset_t va,
        !           102:                                    vm_offset_t spa,
        !           103:                                    vm_offset_t epa,
        !           104:                                    vm_prot_t prot);
        !           105: extern void            pmap_bootstrap(unsigned int mem_size,
        !           106:                                       vm_offset_t *first_avail,
        !           107:                                       vm_offset_t *first_phys_avail, unsigned int kmapsize);
        !           108: extern void            pmap_block_map(vm_offset_t pa,
        !           109:                                       vm_size_t size,
        !           110:                                       vm_prot_t prot,
        !           111:                                       int entry, 
        !           112:                                       int dtlb);
        !           113: extern void pmap_remove_all(vm_offset_t pa);
        !           114: 
        !           115: extern boolean_t pmap_verify_free(vm_offset_t pa);
        !           116: extern void pmap_move_page(unsigned long from, unsigned long to, vm_size_t size);
        !           117: extern void sync_cache(vm_offset_t pa, unsigned length);
        !           118: extern void flush_dcache(vm_offset_t va, unsigned length, boolean_t phys);
        !           119: extern void invalidate_dcache(vm_offset_t va, unsigned length, boolean_t phys);
        !           120: extern void invalidate_icache(vm_offset_t va, unsigned length, boolean_t phys);
        !           121: extern void invalidate_cache_for_io(vm_offset_t va, unsigned length, boolean_t phys);
        !           122: 
        !           123: #endif /* _PPC_PMAP_H_ */
        !           124: 

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