The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/include/sysarch.h

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    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: stable/4/sys/i386/include/sysarch.h 104622 2002-10-07 17:17:28Z jhb $
   34  */
   35 
   36 /*
   37  * Architecture specific syscalls (i386)
   38  */
   39 #ifndef _MACHINE_SYSARCH_H_
   40 #define _MACHINE_SYSARCH_H_
   41 
   42 #define I386_GET_LDT    0
   43 #define I386_SET_LDT    1
   44                                 /* I386_IOPL */
   45 #define I386_GET_IOPERM 3
   46 #define I386_SET_IOPERM 4
   47                                 /* xxxxx */
   48 #define I386_VM86       6
   49 
   50 struct i386_ldt_args {
   51         unsigned int start;
   52         union   descriptor *descs;
   53         unsigned int num;
   54 }; 
   55 
   56 struct i386_ioperm_args {
   57         unsigned int start;
   58         unsigned int length;
   59         int     enable;
   60 };
   61 
   62 struct i386_vm86_args {
   63         int     sub_op;                 /* sub-operation to perform */
   64         char    *sub_args;              /* args */
   65 };
   66 
   67 #ifndef _KERNEL
   68 #include <sys/cdefs.h>
   69 
   70 union descriptor;
   71 struct dbreg;
   72 
   73 __BEGIN_DECLS
   74 int i386_get_ldt __P((int, union descriptor *, int));
   75 int i386_set_ldt __P((int, union descriptor *, int));
   76 int i386_get_ioperm __P((unsigned int, unsigned int *, int *));
   77 int i386_set_ioperm __P((unsigned int, unsigned int, int));
   78 int i386_vm86 __P((int, void *));
   79 int i386_set_watch __P((int watchnum, unsigned int watchaddr, int size,
   80                         int access, struct dbreg * d));
   81 int i386_clr_watch __P((int watchnum, struct dbreg * d));
   82 __END_DECLS
   83 #endif
   84 
   85 #endif /* !_MACHINE_SYSARCH_H_ */

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