xref: /openbsd-src/sys/arch/powerpc/include/psl.h (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: psl.h,v 1.3 1997/10/13 10:53:48 pefo Exp $	*/
2 /*	$NetBSD: psl.h,v 1.1 1996/09/30 16:34:32 ws Exp $	*/
3 
4 /*
5  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
6  * Copyright (C) 1995, 1996 TooLs GmbH.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *	This product includes software developed by TooLs GmbH.
20  * 4. The name of TooLs GmbH may not be used to endorse or promote products
21  *    derived from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
29  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
31  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
32  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 #ifndef	_MACHINE_PSL_H_
35 #define	_MACHINE_PSL_H_
36 
37 /*
38  * Flags in MSR:
39  */
40 #define	PSL_POW		0x00040000
41 #define	PSL_ILE		0x00010000
42 #define	PSL_EE		0x00008000
43 #define	PSL_PR		0x00004000
44 #define	PSL_FP		0x00002000
45 #define	PSL_ME		0x00001000
46 #define	PSL_FE0		0x00000800
47 #define	PSL_SE		0x00000400
48 #define	PSL_BE		0x00000200
49 #define	PSL_FE1		0x00000100
50 #define	PSL_IP		0x00000040
51 #define	PSL_IR		0x00000020
52 #define	PSL_DR		0x00000010
53 #define	PSL_RI		0x00000002
54 #define	PSL_LE		0x00000001
55 
56 /*
57  * Floating-point exception modes:
58  */
59 #define	PSL_FE_DIS	0
60 #define	PSL_FE_NONREC	PSL_FE1
61 #define	PSL_FE_REC	PSL_FE0
62 #define	PSL_FE_PREC	(PSL_FE0 | PSL_FE1)
63 #define	PSL_FE_DFLT	PSL_FE_DIS
64 
65 /*
66  * Note that PSL_POW and PSL_ILE are not in the saved copy of the MSR
67  */
68 #define	PSL_MBO		0
69 #define	PSL_MBZ		0
70 
71 #define	PSL_USERSET	(PSL_EE | PSL_PR | PSL_ME | PSL_IR | PSL_DR | PSL_RI)
72 
73 #define	PSL_USERSTATIC	(PSL_USERSET | PSL_IP | 0x87c0008c)
74 
75 #include <machine/intr.h>
76 
77 #endif	/* _MACHINE_PSL_H_ */
78