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Annotation of kernel/machdep/i386/ldt.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:  * 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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