sys/cpu/i386/include/sysarch.h

   1 /*-
   2  * Copyright (c) 1993 The Regents of the University of California.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  * $FreeBSD: src/sys/i386/include/sysarch.h,v 1.13.2.2 2002/10/07 17:17:28 jhb Exp $
  34  * $DragonFly: src/sys/cpu/i386/include/sysarch.h,v 1.5 2006/11/07 17:51:21 dillon Exp $
  35  */
  36
  37 /*
  38  * Architecture specific syscalls (i386)
  39  */
  40 #ifndef _CPU_SYSARCH_H_
  41 #define _CPU_SYSARCH_H_
  42
  43 #define I386_GET_LDT    0
  44 #define I386_SET_LDT    1
  45                                 /* I386_IOPL */
  46 #define I386_GET_IOPERM 3
  47 #define I386_SET_IOPERM 4
  48                                 /* xxxxx */
  49 #define I386_VM86       6
  50
  51 struct i386_ldt_args {
  52         unsigned int start;
  53         union   descriptor *descs;
  54         unsigned int num;
  55 };
  56
  57 struct i386_ioperm_args {
  58         unsigned int start;
  59         unsigned int length;
  60         int     enable;
  61 };
  62
  63 struct i386_vm86_args {
  64         int     sub_op;                 /* sub-operation to perform */
  65         char    *sub_args;              /* args */
  66 };
  67
  68 #ifndef _KERNEL
  69 #include <sys/cdefs.h>
  70
  71 union descriptor;
  72 struct dbreg;
  73
  74 __BEGIN_DECLS
  75 int i386_get_ldt (int, union descriptor *, int);
  76 int i386_set_ldt (int, union descriptor *, int);
  77 int i386_get_ioperm (unsigned int, unsigned int *, int *);
  78 int i386_set_ioperm (unsigned int, unsigned int, int);
  79 int i386_vm86 (int, void *);
  80 int i386_set_watch (int, unsigned int, int, int, struct dbreg *);
  81 int i386_clr_watch (int, struct dbreg *);
  82 int sysarch(int, void *);
  83 __END_DECLS
  84 #endif
  85
  86 #endif /* !_CPU_SYSARCH_H_ */