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Annotation of Gnu-Mach/i386/util/ldt.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Copyright (c) 1995-1994 The University of Utah and
        !             3:  * the Computer Systems Laboratory at the University of Utah (CSL).
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * Permission to use, copy, modify and distribute this software is hereby
        !             7:  * granted provided that (1) source code retains these copyright, permission,
        !             8:  * and disclaimer notices, and (2) redistributions including binaries
        !             9:  * reproduce the notices in supporting documentation, and (3) all advertising
        !            10:  * materials mentioning features or use of this software display the following
        !            11:  * acknowledgement: ``This product includes software developed by the
        !            12:  * Computer Systems Laboratory at the University of Utah.''
        !            13:  *
        !            14:  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
        !            15:  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
        !            16:  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            17:  *
        !            18:  * CSL requests users of this software to return to [email protected] any
        !            19:  * improvements that they make and grant CSL redistribution rights.
        !            20:  *
        !            21:  *      Author: Bryan Ford, University of Utah CSL
        !            22:  */
        !            23: #ifndef _I386_UTIL_LDT_
        !            24: #define _I386_UTIL_LDT_
        !            25: 
        !            26: #include "config.h"
        !            27: 
        !            28: /* If more-specific code wants a standard LDT,
        !            29:    then it should define ENABLE_KERNEL_LDT in config.h.  */
        !            30: #ifdef ENABLE_KERNEL_LDT
        !            31: 
        !            32: #include <mach/machine/seg.h>
        !            33: 
        !            34: /* Fill a segment descriptor in a CPU's master LDT.  */
        !            35: #define fill_ldt_descriptor(cpu, selector, base, limit, access, sizebits) \
        !            36:        fill_descriptor(&(cpu)->tables.ldt[(selector)/8],               \
        !            37:                        base, limit, access, sizebits)
        !            38: 
        !            39: #define fill_ldt_gate(cpu, selector, offset, dest_selector, access, word_count) \
        !            40:        fill_gate((struct i386_gate*)&(cpu)->tables.ldt[(selector)/8], \
        !            41:                  offset, dest_selector, access, word_count)
        !            42: 
        !            43: #endif ENABLE_KERNEL_LDT
        !            44: 
        !            45: #endif _I386_UTIL_LDT_

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