root/sys/arch/powerpc/include/fpu.h
/*      $OpenBSD: fpu.h,v 1.6 2005/10/09 14:52:12 drahn Exp $   */

/*-
 * Copyright (C) 1996 Wolfgang Solfrank.
 * Copyright (C) 1996 TooLs GmbH.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by TooLs GmbH.
 * 4. The name of TooLs GmbH may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef _POWERPC_FPU_H_
#define _POWERPC_FPU_H_

#define FPCSR_FX        0x80000000
#define FPCSR_FEX       0x40000000
#define FPCSR_VX        0x20000000
#define FPCSR_OX        0x10000000
#define FPCSR_UX        0x08000000
#define FPCSR_ZX        0x04000000
#define FPCSR_XX        0x02000000
#define FPCSR_VXSNAN    0x01000000
#define FPCSR_VXISI     0x00800000
#define FPCSR_VXIDI     0x00400000
#define FPCSR_VXZDZ     0x00200000
#define FPCSR_VXIMZ     0x00100000
#define FPCSR_VXVC      0x00080000
#define FPCSR_FR        0x00040000
#define FPCSR_FI        0x00020000
#define FPCSR_FPRF      0x0001f000
#define FPCSR_C         0x00010000
#define FPCSR_FPCC      0x0000f000
#define FPCSR_FL        0x00008000
#define FPCSR_FG        0x00004000
#define FPCSR_FE        0x00002000
#define FPCSR_FU        0x00001000
#define FPCSR_VXSOFT    0x00000400
#define FPCSR_VXSQRT    0x00000200
#define FPCSR_VXCVI     0x00000100
#define FPCSR_VE        0x00000080
#define FPCSR_OE        0x00000040
#define FPCSR_UE        0x00000020
#define FPCSR_ZE        0x00000010
#define FPCSR_XE        0x00000008
#define FPCSR_NI        0x00000004
#define FPCSR_RN        0x00000003

void enable_fpu(struct proc *p);
void save_fpu(void);
#endif  /* _POWERPC_FPU_H_ */