1/* $OpenBSD: psl.h,v 1.5 2018/07/09 19:20:29 guenther Exp $ */
2/* $NetBSD: psl.h,v 1.1 2003/02/26 21:26:11 fvdl 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 _MACHINE_PSL_H_
39#define _MACHINE_PSL_H_
40
41/*
42 * 386 processor status longword.
43 */
44#define PSL_C 0x00000001 /* carry flag */
45#define PSL_PF 0x00000004 /* parity flag */
46#define PSL_AF 0x00000010 /* auxiliary carry flag */
47#define PSL_Z 0x00000040 /* zero flag */
48#define PSL_N 0x00000080 /* sign flag */
49#define PSL_T 0x00000100 /* trap flag */
50#define PSL_I 0x00000200 /* interrupt enable flag */
51#define PSL_D 0x00000400 /* direction flag */
52#define PSL_V 0x00000800 /* overflow flag */
53#define PSL_IOPL 0x00003000 /* i/o privilege level */
54#define PSL_NT 0x00004000 /* nested task */
55#define PSL_RF 0x00010000 /* resume flag */
56#define PSL_VM 0x00020000 /* virtual 8086 mode */
57#define PSL_AC 0x00040000 /* alignment check flag */
58#define PSL_VIF 0x00080000 /* virtual interrupt enable flag */
59#define PSL_VIP 0x00100000 /* virtual interrupt pending flag */
60#define PSL_ID 0x00200000 /* identification flag */
61
62#define PSL_MBO 0x00000002 /* must be one bits */
63#define PSL_MBZ 0xffc08028 /* must be zero bits */
64
65#define PSL_USERSET (PSL_MBO | PSL_I)
66#define PSL_USERSTATIC (PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | PSL_NT | PSL_VM | PSL_VIF | PSL_VIP)
67#define PSL_USER (PSL_C | PSL_MBO | PSL_PF | PSL_AF | PSL_Z | PSL_N | PSL_V)
68
69/*
70 * ???
71 */
72#ifdef _KERNEL
73#include <machine/intr.h>
74#endif
75
76#endif /* !_MACHINE_PSL_H_ */