100 lines
3.7 KiB
C
100 lines
3.7 KiB
C
/* $NetBSD: fpu_extern.h,v 1.3 2000/06/18 06:54:17 mrg 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 __P((struct proc *, struct fpstate *));
|
|
int fpu_emulate __P((struct proc *, struct trapframe *, struct fpstate *));
|
|
#else /* SUN4U */
|
|
void fpu_cleanup __P((struct proc *, struct fpstate64 *));
|
|
int fpu_emulate __P((struct proc *, struct trapframe64 *, struct fpstate64 *));
|
|
#endif /* SUN4U */
|
|
int fpu_execute __P((struct fpemu *, union instr));
|
|
|
|
/* fpu_add.c */
|
|
struct fpn *fpu_add __P((struct fpemu *));
|
|
|
|
/* fpu_compare.c */
|
|
void fpu_compare __P((struct fpemu *, int));
|
|
|
|
/* fpu_div.c */
|
|
struct fpn *fpu_div __P((struct fpemu *));
|
|
|
|
/* fpu_explode.c */
|
|
int fpu_itof __P((struct fpn *, u_int));
|
|
#ifdef SUN4U
|
|
int fpu_xitof __P((struct fpn *, u_int64_t));
|
|
#endif /* SUN4U */
|
|
int fpu_stof __P((struct fpn *, u_int));
|
|
int fpu_dtof __P((struct fpn *, u_int, u_int ));
|
|
int fpu_xtof __P((struct fpn *, u_int, u_int , u_int , u_int ));
|
|
void fpu_explode __P((struct fpemu *, struct fpn *, int, int ));
|
|
|
|
/* fpu_implode.c */
|
|
u_int fpu_ftoi __P((struct fpemu *, struct fpn *));
|
|
#ifdef SUN4U
|
|
u_int fpu_ftoxi __P((struct fpemu *, struct fpn *, u_int *));
|
|
#endif /* SUN4U */
|
|
u_int fpu_ftos __P((struct fpemu *, struct fpn *));
|
|
u_int fpu_ftod __P((struct fpemu *, struct fpn *, u_int *));
|
|
u_int fpu_ftox __P((struct fpemu *, struct fpn *, u_int *));
|
|
void fpu_implode __P((struct fpemu *, struct fpn *, int, u_int *));
|
|
|
|
/* fpu_mul.c */
|
|
struct fpn *fpu_mul __P((struct fpemu *));
|
|
|
|
/* fpu_sqrt.c */
|
|
struct fpn *fpu_sqrt __P((struct fpemu *));
|
|
|
|
/* fpu_subr.c */
|
|
int fpu_shr __P((register struct fpn *, register int));
|
|
void fpu_norm __P((register struct fpn *));
|
|
struct fpn *fpu_newnan __P((register struct fpemu *));
|