NetBSD/sys/arch/sh3/include/segments.h

65 lines
2.5 KiB
C

/* $NetBSD: segments.h,v 1.2 2001/06/24 05:34:07 msaitoh Exp $ */
/*-
* Copyright (c) 1995, 1997
* Charles M. Hannum. All rights reserved.
* Copyright (c) 1989, 1990 William F. Jolitz
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* 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.
*
* @(#)segments.h 7.1 (Berkeley) 5/9/91
*/
/*
* SH3 segment
* T.Horiuchi
* Brains Corp. 5/22/98
*/
#ifndef _SH3_SEGMENTS_H_
#define _SH3_SEGMENTS_H_
/*
* Selectors
*/
#define PSL_USERMODE 0 /* User mode */
#define PSL_SVMODE PSL_MD /* SuperVisor Mode */
#define KERNELMODE(sp, f) ((sp & 0x80000000) \
&& ((f & PSL_MD) == PSL_SVMODE))
#define USERMODE(sp, f) (!KERNELMODE(sp, f))
#endif /* !_SH3_SEGMENTS_H_ */