| 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_ */ |