bsd/dev/i386/table_inline.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * Copyright (c) 1992 NeXT Computer, Inc.
  30  *
  31  * Intel386 Family:     Selector based access to descriptor tables.
  32  *
  33  * HISTORY
  34  *
  35  * 2 April 1992 ? at NeXT
  36  *      Created.
  37  */
  38
  39 #include <architecture/i386/table.h>
  40
  41 #include <machdep/i386/gdt.h>
  42 #include <machdep/i386/idt.h>
  43
  44 static inline
  45 gdt_entry_t *
  46 sel_to_gdt_entry(sel)
  47 sel_t           sel;
  48 {
  49     return (&gdt[sel.index]);
  50 }
  51
  52 static inline
  53 idt_entry_t *
  54 sel_to_idt_entry(sel)
  55 sel_t           sel;
  56 {
  57     return (&idt[sel.index]);
  58 }
  59
  60 static inline
  61 ldt_entry_t *
  62 sel_to_ldt_entry(tbl, sel)
  63 ldt_t *         tbl;
  64 sel_t           sel;
  65 {
  66     return (&tbl[sel.index]);
  67 }