bsd/dev/i386/table_inline.h

   1 /*
   2  * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * Copyright (c) 1992 NeXT Computer, Inc.
  32  *
  33  * Intel386 Family:     Selector based access to descriptor tables.
  34  *
  35  * HISTORY
  36  *
  37  * 2 April 1992 ? at NeXT
  38  *      Created.
  39  */
  40
  41 #include <architecture/i386/table.h>
  42
  43 #include <machdep/i386/gdt.h>
  44 #include <machdep/i386/idt.h>
  45
  46 static inline
  47 gdt_entry_t *
  48 sel_to_gdt_entry(sel)
  49 sel_t           sel;
  50 {
  51     return (&gdt[sel.index]);
  52 }
  53
  54 static inline
  55 idt_entry_t *
  56 sel_to_idt_entry(sel)
  57 sel_t           sel;
  58 {
  59     return (&idt[sel.index]);
  60 }
  61
  62 static inline
  63 ldt_entry_t *
  64 sel_to_ldt_entry(tbl, sel)
  65 ldt_t *         tbl;
  66 sel_t           sel;
  67 {
  68     return (&tbl[sel.index]);
  69 }