xref: /freebsd/sys/powerpc/include/fpu.h (revision 39beb93c3f8bdbf72a61fda42300b5ebed7390c8)
1 /*-
2  * Copyright (C) 1996 Wolfgang Solfrank.
3  * Copyright (C) 1996 TooLs GmbH.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by TooLs GmbH.
17  * 4. The name of TooLs GmbH may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  *
31  *	$NetBSD: fpu.h,v 1.2 1999/12/07 15:14:56 danw Exp $
32  * $FreeBSD$
33  */
34 
35 #ifndef	_MACHINE_FPU_H_
36 #define	_MACHINE_FPU_H_
37 
38 #define	FPSCR_FX	0x80000000
39 #define	FPSCR_FEX	0x40000000
40 #define	FPSCR_VX	0x20000000
41 #define	FPSCR_OX	0x10000000
42 #define	FPSCR_UX	0x08000000
43 #define	FPSCR_ZX	0x04000000
44 #define	FPSCR_XX	0x02000000
45 #define	FPSCR_VXSNAN	0x01000000
46 #define	FPSCR_VXISI	0x00800000
47 #define	FPSCR_VXIDI	0x00400000
48 #define	FPSCR_VXZDZ	0x00200000
49 #define	FPSCR_VXIMZ	0x00100000
50 #define	FPSCR_VXVC	0x00080000
51 #define	FPSCR_FR	0x00040000
52 #define	FPSCR_FI	0x00020000
53 #define	FPSCR_FPRF	0x0001f000
54 #define	FPSCR_C		0x00010000
55 #define	FPSCR_FPCC	0x0000f000
56 #define	FPSCR_FL	0x00008000
57 #define	FPSCR_FG	0x00004000
58 #define	FPSCR_FE	0x00002000
59 #define	FPSCR_FU	0x00001000
60 #define	FPSCR_VXSOFT	0x00000400
61 #define	FPSCR_VXSQRT	0x00000200
62 #define	FPSCR_VXCVI	0x00000100
63 #define	FPSCR_VE	0x00000080
64 #define	FPSCR_OE	0x00000040
65 #define	FPSCR_UE	0x00000020
66 #define	FPSCR_ZE	0x00000010
67 #define	FPSCR_XE	0x00000008
68 #define	FPSCR_NI	0x00000004
69 #define	FPSCR_RN	0x00000003
70 
71 #ifdef _KERNEL
72 
73 void    enable_fpu(struct thread *);
74 void    save_fpu(struct thread *);
75 
76 #endif /* _KERNEL */
77 
78 #endif	/* _MACHINE_FPU_H_ */
79