xref: /illumos-gate/usr/src/uts/sparc/sys/reg.h (revision 4eaa471005973e11a6110b69fe990530b3b95a38)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1989, 1995 by Sun Microsystems, Inc.
24  * All Rights Reserved.
25  */
26 
27 #ifndef	_SYS_REG_H
28 #define	_SYS_REG_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * This file only exists for v7 backwards compatibility.
38  * Kernel code should not include it.
39  */
40 #ifdef _KERNEL
41 #error Kernel include of reg.h
42 #else
43 
44 #include <sys/regset.h>
45 
46 /*
47  * NWINDOW is obsolete; it exists only for existing application compatibility.
48  */
49 #define	NWINDOW		7
50 
51 /*
52  * Location of the users' stored registers relative to R0.
53  * Used as an index into a gregset_t array.
54  */
55 #define	PSR	(0)
56 #define	PC	(1)
57 #define	nPC	(2)
58 #define	Y	(3)
59 #define	G1	(4)
60 #define	G2	(5)
61 #define	G3	(6)
62 #define	G4	(7)
63 #define	G5	(8)
64 #define	G6	(9)
65 #define	G7	(10)
66 #define	O0	(11)
67 #define	O1	(12)
68 #define	O2	(13)
69 #define	O3	(14)
70 #define	O4	(15)
71 #define	O5	(16)
72 #define	O6	(17)
73 #define	O7	(18)
74 
75 /*
76  * The following defines are for portability.
77  */
78 #define	PS	PSR
79 #define	SP	O6
80 #define	R0	O0
81 #define	R1	O1
82 
83 #endif	/* _KERNEL */
84 
85 #ifdef	__cplusplus
86 }
87 #endif
88 
89 #endif	/* _SYS_REG_H */
90