Annotation of sys/arch/powerpc/include/fpu.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: fpu.h,v 1.6 2005/10/09 14:52:12 drahn Exp $ */
2:
3: /*-
4: * Copyright (C) 1996 Wolfgang Solfrank.
5: * Copyright (C) 1996 TooLs GmbH.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by TooLs GmbH.
19: * 4. The name of TooLs GmbH may not be used to endorse or promote products
20: * derived from this software without specific prior written permission.
21: *
22: * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25: * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32: */
33: #ifndef _POWERPC_FPU_H_
34: #define _POWERPC_FPU_H_
35:
36: #define FPCSR_FX 0x80000000
37: #define FPCSR_FEX 0x40000000
38: #define FPCSR_VX 0x20000000
39: #define FPCSR_OX 0x10000000
40: #define FPCSR_UX 0x08000000
41: #define FPCSR_ZX 0x04000000
42: #define FPCSR_XX 0x02000000
43: #define FPCSR_VXSNAN 0x01000000
44: #define FPCSR_VXISI 0x00800000
45: #define FPCSR_VXIDI 0x00400000
46: #define FPCSR_VXZDZ 0x00200000
47: #define FPCSR_VXIMZ 0x00100000
48: #define FPCSR_VXVC 0x00080000
49: #define FPCSR_FR 0x00040000
50: #define FPCSR_FI 0x00020000
51: #define FPCSR_FPRF 0x0001f000
52: #define FPCSR_C 0x00010000
53: #define FPCSR_FPCC 0x0000f000
54: #define FPCSR_FL 0x00008000
55: #define FPCSR_FG 0x00004000
56: #define FPCSR_FE 0x00002000
57: #define FPCSR_FU 0x00001000
58: #define FPCSR_VXSOFT 0x00000400
59: #define FPCSR_VXSQRT 0x00000200
60: #define FPCSR_VXCVI 0x00000100
61: #define FPCSR_VE 0x00000080
62: #define FPCSR_OE 0x00000040
63: #define FPCSR_UE 0x00000020
64: #define FPCSR_ZE 0x00000010
65: #define FPCSR_XE 0x00000008
66: #define FPCSR_NI 0x00000004
67: #define FPCSR_RN 0x00000003
68:
69: void enable_fpu(struct proc *p);
70: void save_fpu(void);
71: #endif /* _POWERPC_FPU_H_ */
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