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Annotation of kernel/vm/vm_init.c, 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) 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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