ktss.c

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    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  * @OSF_COPYRIGHT@
   27  */
   28 /* 
   29  * Mach Operating System
   30  * Copyright (c) 1991,1990 Carnegie Mellon University
   31  * All Rights Reserved.
   32  * 
   33  * Permission to use, copy, modify and distribute this software and its
   34  * documentation is hereby granted, provided that both the copyright
   35  * notice and this permission notice appear in all copies of the
   36  * software, derivative works or modified versions, and any portions
   37  * thereof, and that both notices appear in supporting documentation.
   38  * 
   39  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   40  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   41  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   42  * 
   43  * Carnegie Mellon requests users of this software to return to
   44  * 
   45  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   46  *  School of Computer Science
   47  *  Carnegie Mellon University
   48  *  Pittsburgh PA 15213-3890
   49  * 
   50  * any improvements or extensions that they make and grant Carnegie Mellon
   51  * the rights to redistribute these changes.
   52  */
   53 /*
   54  */
   55 
   56 /*
   57  * Kernel task state segment.
   58  *
   59  * We don't use the i386 task switch mechanism.  We need a TSS
   60  * only to hold the kernel stack pointer for the current thread.
   61  *
   62  * XXX multiprocessor??
   63  */
   64 #include <i386/tss.h>
   65 #include <i386/seg.h>
   66 #include <mach_kdb.h>
   67 
   68 struct i386_tss ktss = {
   69         0,                              /* back link */
   70         0,                              /* esp0 */
   71         KERNEL_DS,                      /* ss0 */
   72         0,                              /* esp1 */
   73         0,                              /* ss1 */
   74         0,                              /* esp2 */
   75         0,                              /* ss2 */
   76         0,                              /* cr3 */
   77         0,                              /* eip */
   78         0,                              /* eflags */
   79         0,                              /* eax */
   80         0,                              /* ecx */
   81         0,                              /* edx */
   82         0,                              /* ebx */
   83         0,                              /* esp */
   84         0,                              /* ebp */
   85         0,                              /* esi */
   86         0,                              /* edi */
   87         0,                              /* es */
   88         0,                              /* cs */
   89         0,                              /* ss */
   90         0,                              /* ds */
   91         0,                              /* fs */
   92         0,                              /* gs */
   93         KERNEL_LDT,                     /* ldt */
   94         0,                              /* trace_trap */
   95         0x0FFF                          /* IO bitmap offset -
   96                                            beyond end of TSS segment,
   97                                            so no bitmap */
   98 };
   99 
  100 #if     MACH_KDB
  101 
  102 struct i386_tss dbtss = {
  103         0,                              /* back link */
  104         0,                              /* esp0 */
  105         KERNEL_DS,                      /* ss0 */
  106         0,                              /* esp1 */
  107         0,                              /* ss1 */
  108         0,                              /* esp2 */
  109         0,                              /* ss2 */
  110         0,                              /* cr3 */
  111         0,                              /* eip */
  112         0,                              /* eflags */
  113         0,                              /* eax */
  114         0,                              /* ecx */
  115         0,                              /* edx */
  116         0,                              /* ebx */
  117         0,                              /* esp */
  118         0,                              /* ebp */
  119         0,                              /* esi */
  120         0,                              /* edi */
  121         KERNEL_DS,                      /* es */
  122         KERNEL_CS,                      /* cs */
  123         KERNEL_DS,                      /* ss */
  124         KERNEL_DS,                      /* ds */
  125         KERNEL_DS,                      /* fs */
  126         KERNEL_DS,                      /* gs */
  127         KERNEL_LDT,                     /* ldt */
  128         0,                              /* trace_trap */
  129         0x0FFF                          /* IO bitmap offset -
  130                                            beyond end of TSS segment,
  131                                            so no bitmap */
  132 };
  133 
  134 #endif  /* MACH_KDB */

Cache object: 491280b1fe669ae548054af47851331e

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/osfmk/i386/ktss.c

FreeBSD/Linux Kernel Cross Reference
sys/osfmk/i386/ktss.c