/*      $OpenBSD: fpu.h,v 1.2 2014/07/01 20:26:09 miod Exp $    */

/*
 * Copyright (c) 2007, 2014, Miodrag Vallat.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice, this permission notice, and the disclaimer below
 * appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _M88K_FPU_H_
#define _M88K_FPU_H_

/* FPECR bits */
#define FPECR_FIOV      0x80
#define FPECR_FUNIMP    0x40
#define FPECR_FPRV      0x20
#define FPECR_FROP      0x10
#define FPECR_FDVZ      0x08
#define FPECR_FUNF      0x04
#define FPECR_FOVF      0x02
#define FPECR_FINX      0x01

/* FPSR and FPCR exception bits */
#define FPSR_EFINV      0x10
#define FPSR_EFDVZ      0x08
#define FPSR_EFUNF      0x04
#define FPSR_EFOVF      0x02
#define FPSR_EFINX      0x01

/* FPIT bits */
#define FPIT_DBL        0x00000400

/* FPRH bits and masks */
#define FPRH_SIGN       0x80000000
#define FPRH_ADDONE     0x02000000
#define FPRH_MANTH_MASK 0x001fffff
#define FPRH_MANTH_BITS 21

#endif  /* _M88K_FPU_H_ */