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/* $OpenBSD: fpu_extern.h,v 1.4 2002/08/03 15:22:06 jason Exp $ */
/* $NetBSD: fpu_extern.h,v 1.4 2000/08/03 18:32:08 eeh Exp $ */
/*-
* Copyright (c) 1995 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 THE FOUNDATION OR CONTRIBUTORS
* 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.
*/
struct proc;
#ifndef SUN4U
struct fpstate;
struct trapframe;
#else /* SUN4U */
struct fpstate64;
struct trapframe64;
#endif /* SUN4U */
union instr;
struct fpemu;
struct fpn;
/* fpu.c */
#ifndef SUN4U
void fpu_cleanup(struct proc *, struct fpstate *);
int fpu_emulate(struct proc *, struct trapframe *, struct fpstate *);
#else /* SUN4U */
void fpu_cleanup(struct proc *, struct fpstate64 *);
int fpu_emulate(struct proc *, struct trapframe64 *, struct fpstate64 *);
#endif /* SUN4U */
int fpu_execute(struct proc *, struct fpemu *, union instr);
/* fpu_add.c */
struct fpn *fpu_add(struct fpemu *);
/* fpu_compare.c */
void fpu_compare(struct fpemu *, int);
/* fpu_div.c */
struct fpn *fpu_div(struct fpemu *);
/* fpu_explode.c */
int fpu_itof(struct fpn *, u_int);
#ifdef SUN4U
int fpu_xtof(struct fpn *, u_int64_t);
#endif /* SUN4U */
int fpu_stof(struct fpn *, u_int);
int fpu_dtof(struct fpn *, u_int, u_int );
int fpu_qtof(struct fpn *, u_int, u_int , u_int , u_int );
void fpu_explode(struct fpemu *, struct fpn *, int, int );
/* fpu_implode.c */
u_int fpu_ftoi(struct fpemu *, struct fpn *);
#ifdef SUN4U
u_int fpu_ftox(struct fpemu *, struct fpn *, u_int *);
#endif /* SUN4U */
u_int fpu_ftos(struct fpemu *, struct fpn *);
u_int fpu_ftod(struct fpemu *, struct fpn *, u_int *);
u_int fpu_ftoq(struct fpemu *, struct fpn *, u_int *);
/* fpu_mul.c */
struct fpn *fpu_mul(struct fpemu *);
/* fpu_sqrt.c */
struct fpn *fpu_sqrt(struct fpemu *);
/* fpu_subr.c */
int fpu_shr(register struct fpn *, register int);
void fpu_norm(register struct fpn *);
struct fpn *fpu_newnan(register struct fpemu *);
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