xref: /titanic_50/usr/src/uts/sparc/sys/psw.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1986 by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate  */
25*7c478bd9Sstevel@tonic-gate 
26*7c478bd9Sstevel@tonic-gate #ifndef _SYS_PSW_H
27*7c478bd9Sstevel@tonic-gate #define	_SYS_PSW_H
28*7c478bd9Sstevel@tonic-gate 
29*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI" /* from SunOS psl.h 1.2 */
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
32*7c478bd9Sstevel@tonic-gate extern "C" {
33*7c478bd9Sstevel@tonic-gate #endif
34*7c478bd9Sstevel@tonic-gate 
35*7c478bd9Sstevel@tonic-gate /*
36*7c478bd9Sstevel@tonic-gate  * This file only exists for v7 backwards compatibility.
37*7c478bd9Sstevel@tonic-gate  * Kernel code shoulf not include it.
38*7c478bd9Sstevel@tonic-gate  */
39*7c478bd9Sstevel@tonic-gate #ifdef _KERNEL
40*7c478bd9Sstevel@tonic-gate #error Kernel include of psw.h
41*7c478bd9Sstevel@tonic-gate #else
42*7c478bd9Sstevel@tonic-gate 
43*7c478bd9Sstevel@tonic-gate #include <v7/sys/psr.h>
44*7c478bd9Sstevel@tonic-gate 
45*7c478bd9Sstevel@tonic-gate /*
46*7c478bd9Sstevel@tonic-gate  * The following defines are obsolete; they exist only for existing
47*7c478bd9Sstevel@tonic-gate  * application compatibility.
48*7c478bd9Sstevel@tonic-gate  */
49*7c478bd9Sstevel@tonic-gate #define	SR_SMODE	PSR_PS
50*7c478bd9Sstevel@tonic-gate 
51*7c478bd9Sstevel@tonic-gate /*
52*7c478bd9Sstevel@tonic-gate  * Macros to decode psr.
53*7c478bd9Sstevel@tonic-gate  *
54*7c478bd9Sstevel@tonic-gate  * XXX - note that AT&T's usage of BASEPRI() is reversed from ours
55*7c478bd9Sstevel@tonic-gate  * (i.e. (!BASEPRI(ps)) means that you *are* at the base priority).
56*7c478bd9Sstevel@tonic-gate  */
57*7c478bd9Sstevel@tonic-gate #define	BASEPRI(ps)	(((ps) & PSR_PIL) == 0)
58*7c478bd9Sstevel@tonic-gate 
59*7c478bd9Sstevel@tonic-gate #endif /* _KERNEL */
60*7c478bd9Sstevel@tonic-gate 
61*7c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
62*7c478bd9Sstevel@tonic-gate }
63*7c478bd9Sstevel@tonic-gate #endif
64*7c478bd9Sstevel@tonic-gate 
65*7c478bd9Sstevel@tonic-gate #endif	/* _SYS_PSW_H */
66