bsd/dev/i386/table_inline.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Copyright (c) 1992 NeXT Computer, Inc.
  27  *
  28  * Intel386 Family:     Selector based access to descriptor tables.
  29  *
  30  * HISTORY
  31  *
  32  * 2 April 1992 ? at NeXT
  33  *      Created.
  34  */
  35
  36 #include <architecture/i386/table.h>
  37
  38 #include <machdep/i386/gdt.h>
  39 #include <machdep/i386/idt.h>
  40
  41 static inline
  42 gdt_entry_t *
  43 sel_to_gdt_entry(sel)
  44 sel_t           sel;
  45 {
  46     return (&gdt[sel.index]);
  47 }
  48
  49 static inline
  50 idt_entry_t *
  51 sel_to_idt_entry(sel)
  52 sel_t           sel;
  53 {
  54     return (&idt[sel.index]);
  55 }
  56
  57 static inline
  58 ldt_entry_t *
  59 sel_to_ldt_entry(tbl, sel)
  60 ldt_t *         tbl;
  61 sel_t           sel;
  62 {
  63     return (&tbl[sel.index]);
  64 }