1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/* $NetBSD: psl.h,v 1.4 1994/10/26 21:09:54 cgd Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* 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.
*
* @(#)psl.h 8.1 (Berkeley) 6/10/93
*/
#include <machine/machConst.h>
#define PSL_LOWIPL (MIPS_INT_MASK | MIPS_SR_INT_ENA_CUR)
#define PSL_USERSET ( \
MIPS_SR_KU_OLD | \
MIPS_SR_INT_ENA_OLD | \
MIPS_SR_KU_PREV | \
MIPS_SR_INT_ENA_PREV | \
MIPS_INT_MASK)
#define PSL_USERCLR ( \
MIPS_SR_COP_USABILITY | \
MIPS_SR_BOOT_EXC_VEC | \
MIPS_SR_TLB_SHUTDOWN | \
MIPS_SR_PARITY_ERR | \
MIPS_SR_CACHE_MISS | \
MIPS_SR_PARITY_ZERO | \
MIPS_SR_SWAP_CACHES | \
MIPS_SR_ISOL_CACHES | \
MIPS_SR_KU_CUR | \
MIPS_SR_INT_ENA_CUR | \
MIPS_SR_MBZ)
/*
* Macros to decode processor status word.
*/
#define USERMODE(ps) ((ps) & MIPS_SR_KU_PREV)
#define BASEPRI(ps) (((ps) & (MIPS_INT_MASK | MIPS_SR_INT_ENA_PREV)) \
== (MIPS_INT_MASK | MIPS_SR_INT_ENA_PREV))
|
