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Annotation of kernel/machdep/i386/ldt.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:  * Copyright (c) 1992 NeXT Computer, Inc.
        !            27:  *
        !            28:  * Intel386 Family:    Local descriptor table.
        !            29:  *
        !            30:  * HISTORY
        !            31:  *
        !            32:  * 15 December 1992 ? at NeXT
        !            33:  *     Created.
        !            34:  */
        !            35: 
        !            36: #import <mach/mach_types.h>
        !            37: 
        !            38: #import <machdep/i386/ldt.h>
        !            39: #import <machdep/i386/seg.h>
        !            40: #import <machdep/i386/table_inline.h>
        !            41: #import <machdep/i386/desc_inline.h>
        !            42: 
        !            43: void
        !            44: ldt_init(
        !            45:     void
        !            46: )
        !            47: {
        !            48:     map_code(sel_to_ldt_entry(ldt, UCS_SEL),
        !            49:                            VM_MIN_ADDRESS, VM_MAX_ADDRESS - VM_MIN_ADDRESS,
        !            50:                            USER_PRIV,
        !            51:                            FALSE                               /* prot */
        !            52:                    );
        !            53:     map_data(sel_to_ldt_entry(ldt, UDS_SEL),
        !            54:                            VM_MIN_ADDRESS, /*0x1*/00000000,
        !            55:                            USER_PRIV,
        !            56:                            FALSE                               /* prot */
        !            57:                    );
        !            58: }
        !            59: 
        !            60: static ldt_t   ldt_store[LDTSZ] = { 0 };
        !            61: 
        !            62: ldt_t          *ldt = ldt_store;

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