xref: /freebsd-9.3-release/sys/amd64/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: head/sys/amd64/include/sysarch.h 114928 2003-05-12 02:37:29Z peter $
 */

/*
 * Architecture specific syscalls (AMD64)
 */
#ifndef _MACHINE_SYSARCH_H_
#define _MACHINE_SYSARCH_H_

#define	AMD64_GET_FSBASE	0
#define	AMD64_SET_FSBASE	1
#define	AMD64_GET_GSBASE	2
#define	AMD64_SET_GSBASE	3

#if 0 /* these wrappers need to be implemented in libc first */
#ifndef _KERNEL
#include <sys/cdefs.h>

__BEGIN_DECLS
unsigned long amd64_get_fsbase(void);
unsigned long amd64_set_fsbase(unsigned long);
unsigned long amd64_get_gsbase(void);
unsigned long amd64_set_gsbase(unsigned long);
__END_DECLS
#endif
#endif

#endif /* !_MACHINE_SYSARCH_H_ */