1/* $NetBSD: psl.h,v 1.10 2017/08/12 12:33:31 maxv Exp $ */
2
3/*-
4 * Copyright (c) 1990 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * William Jolitz.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)psl.h 5.2 (Berkeley) 1/18/91
35 */
36
37#ifndef _X86_PSL_H_
38#define _X86_PSL_H_
39
40/*
41 * 386 processor status longword.
42 */
43#define PSL_C 0x00000001 /* carry flag */
44#define PSL_PF 0x00000004 /* parity flag */
45#define PSL_AF 0x00000010 /* auxiliary carry flag */
46#define PSL_Z 0x00000040 /* zero flag */
47#define PSL_N 0x00000080 /* sign flag */
48#define PSL_T 0x00000100 /* trap flag */
49#define PSL_I 0x00000200 /* interrupt enable flag */
50#define PSL_D 0x00000400 /* direction flag */
51#define PSL_V 0x00000800 /* overflow flag */
52#define PSL_IOPL 0x00003000 /* i/o privilege level */
53#define PSL_NT 0x00004000 /* nested task */
54#define PSL_RF 0x00010000 /* resume flag */
55#define PSL_VM 0x00020000 /* virtual 8086 mode */
56#define PSL_AC 0x00040000 /* alignment check flag */
57#define PSL_VIF 0x00080000 /* virtual interrupt enable flag */
58#define PSL_VIP 0x00100000 /* virtual interrupt pending flag */
59#define PSL_ID 0x00200000 /* identification flag */
60
61#define PSL_MBO 0x00000002 /* must be one bits */
62#define PSL_MBZ 0xffc08028 /* must be zero bits */
63
64#define PSL_USERSET (PSL_MBO | PSL_I)
65#define PSL_USERSTATIC (PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | PSL_NT | PSL_VM | PSL_VIF | PSL_VIP)
66#define PSL_USER (PSL_C | PSL_PF | PSL_AF | PSL_Z | PSL_N | \
67 PSL_T | PSL_V | PSL_D | PSL_AC)
68#define PSL_CLEARSIG (PSL_T | PSL_VM | PSL_AC | PSL_D)
69
70
71/*
72 * ???
73 */
74#ifdef _KERNEL
75#include <machine/intr.h>
76#endif
77
78#endif /* !_X86_PSL_H_ */