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Annotation of kernel/vm/vm_init.c, revision 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) 1987 Carnegie-Mellon University
        !            28:  * All rights reserved.  The CMU software License Agreement specifies
        !            29:  * the terms and conditions for use and redistribution.
        !            30:  */
        !            31: /*
        !            32:  *     File:   vm/vm_init.c
        !            33:  *     Author: Avadis Tevanian, Jr., Michael Wayne Young
        !            34:  *
        !            35:  *     Copyright (C) 1985, Avadis Tevanian, Jr., Michael Wayne Young
        !            36:  *
        !            37:  *     Initialize the Virtual Memory subsystem.
        !            38:  */
        !            39: 
        !            40: #import <mach_xp.h>
        !            41: 
        !            42: #import <mach/machine/vm_types.h>
        !            43: #import <kern/lock.h>
        !            44: #import <vm/vm_object.h>
        !            45: #import <vm/vm_map.h>
        !            46: #import <vm/vm_page.h>
        !            47: #import <vm/vm_kern.h>
        !            48: #import <vm/vnode_pager.h>
        !            49: 
        !            50: /*
        !            51:  *     vm_init initializes the virtual memory system.
        !            52:  *     This is done only by the first cpu up.
        !            53:  *
        !            54:  *     The start and end address of physical memory is passed in.
        !            55:  */
        !            56: 
        !            57: void vm_mem_init()
        !            58: {
        !            59:        extern vm_offset_t      virtual_avail, virtual_end;
        !            60: 
        !            61:        /*
        !            62:         *      Initializes resident memory structures.
        !            63:         *      From here on, all physical memory is accounted for,
        !            64:         *      and we use only virtual addresses.
        !            65:         */
        !            66: 
        !            67:        virtual_avail = vm_page_startup(
        !            68:            mem_region, num_regions, virtual_avail);
        !            69: 
        !            70: #ifdef ppc
        !            71:        virtual_avail = adjust_bat_limit(virtual_avail, 0, TRUE, TRUE);
        !            72: #endif
        !            73: 
        !            74:        /*
        !            75:         *      Initialize other VM packages
        !            76:         */
        !            77: 
        !            78:        zone_bootstrap();
        !            79:        vm_object_init();
        !            80:        vm_map_init();
        !            81:        kmem_init(virtual_avail, virtual_end);
        !            82:        pmap_init(mem_region, num_regions);
        !            83: 
        !            84:        zone_init();
        !            85:        kalloc_init();
        !            86: 
        !            87: #if    MACH_XP
        !            88: #else  MACH_XP
        !            89:        vm_user_init();
        !            90: #endif MACH_XP
        !            91: }

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