1/*	$OpenBSD: psl.h,v 1.4 2010/04/25 18:11:36 miod Exp $	*/
2/*	$NetBSD: psl.h,v 1.8 2005/12/11 12:18:58 christos Exp $	*/
3
4/*-
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * William Jolitz.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *	@(#)psl.h	5.2 (Berkeley) 1/18/91
36 */
37
38#ifndef _SH_PSL_H_
39#define	_SH_PSL_H_
40
41/*
42 * SuperH Processor Status Register.
43 */
44#define	PSL_TBIT	0x00000001	/* T bit */
45#define	PSL_SBIT	0x00000002	/* S bit */
46#define	PSL_IMASK	0x000000f0	/* Interrupt Mask bit */
47#define	PSL_QBIT	0x00000100	/* Q bit */
48#define	PSL_MBIT	0x00000200	/* M bit */
49#define	PSL_FD		0x00008000	/* FPU Disable bit */
50#define	PSL_BL		0x10000000	/* Exception Block bit */
51#define	PSL_RB		0x20000000	/* Register Bank bit */
52#define	PSL_MD		0x40000000	/* Processor Mode bit */
53
54#define	PSL_MBO		0x00000000	/* must be one bits */
55#define	PSL_MBZ		0x8fff7c0c	/* must be zero bits */
56
57#define	PSL_USERSET	0
58#define	PSL_USERSTATIC	(PSL_BL|PSL_RB|PSL_MD|PSL_IMASK|PSL_FD|PSL_MBO|PSL_MBZ)
59
60#define	KERNELMODE(sr)		((sr) & PSL_MD)
61
62#ifdef _KERNEL
63#ifndef _LOCORE
64/* SR.IMASK */
65int _cpu_intr_raise(int);
66int _cpu_intr_suspend(void);
67int _cpu_intr_resume(int);
68/* SR.BL */
69int _cpu_exception_suspend(void);
70void _cpu_exception_resume(int);
71#endif /* !_LOCORE */
72#endif /* _KERNEL */
73
74#endif /* !_SH_PSL_H_ */
75