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

     /*-
      * Copyright (c) 1993 The Regents of the University of California.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: releng/5.0/sys/i386/include/sysarch.h 104110 2002-09-28 20:42:04Z peter $
     */
    
    /*
     * Architecture specific syscalls (i386)
     */
    #ifndef _MACHINE_SYSARCH_H_
    #define _MACHINE_SYSARCH_H_
    
    #define I386_GET_LDT    0
    #define I386_SET_LDT    1
                                    /* I386_IOPL */
    #define I386_GET_IOPERM 3
    #define I386_SET_IOPERM 4
                                    /* xxxxx */
    #define I386_VM86       6
    
    struct i386_ldt_args {
            unsigned int start;
            union   descriptor *descs;
            unsigned int num;
    }; 
    
    struct i386_ioperm_args {
            unsigned int start;
            unsigned int length;
            int     enable;
    };
    
    struct i386_vm86_args {
            int     sub_op;                 /* sub-operation to perform */
            char    *sub_args;              /* args */
    };
    
    #ifndef _KERNEL
    #include <sys/cdefs.h>
    
    union descriptor;
    struct dbreg;
    
    __BEGIN_DECLS
    int i386_get_ldt(int, union descriptor *, int);
    int i386_set_ldt(int, union descriptor *, int);
    int i386_get_ioperm(unsigned int, unsigned int *, int *);
    int i386_set_ioperm(unsigned int, unsigned int, int);
    int i386_vm86(int, void *);
    int i386_set_watch(int, unsigned int, int, int, struct dbreg *);
    int i386_clr_watch(int, struct dbreg *);
    __END_DECLS
    #endif
    
    #endif /* !_MACHINE_SYSARCH_H_ */

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