2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1995 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
31 * $NetBSD: fpu_extern.h,v 1.4 2000/08/03 18:32:08 eeh Exp $
35 #ifndef _SPARC64_FPU_FPU_EXTERN_H_
36 #define _SPARC64_FPU_FPU_EXTERN_H_
43 int __fpu_exception(struct utrapframe *tf);
46 struct fpn *__fpu_add(struct fpemu *);
49 void __fpu_compare(struct fpemu *, int, int);
52 struct fpn *__fpu_div(struct fpemu *);
55 int __fpu_itof(struct fpn *, u_int);
56 int __fpu_xtof(struct fpn *, u_int64_t);
57 int __fpu_stof(struct fpn *, u_int);
58 int __fpu_dtof(struct fpn *, u_int, u_int);
59 int __fpu_qtof(struct fpn *, u_int, u_int, u_int, u_int);
60 void __fpu_explode(struct fpemu *, struct fpn *, int, int);
63 u_int __fpu_ftoi(struct fpemu *, struct fpn *);
64 u_int __fpu_ftox(struct fpemu *, struct fpn *, u_int *);
65 u_int __fpu_ftos(struct fpemu *, struct fpn *);
66 u_int __fpu_ftod(struct fpemu *, struct fpn *, u_int *);
67 u_int __fpu_ftoq(struct fpemu *, struct fpn *, u_int *);
68 void __fpu_implode(struct fpemu *, struct fpn *, int, u_int *);
71 struct fpn *__fpu_mul(struct fpemu *);
74 struct fpn *__fpu_sqrt(struct fpemu *);
78 * Shift a number right some number of bits, taking care of round/sticky.
79 * Note that the result is probably not a well-formed number (it will lack
80 * the normal 1-bit mant[0]&FP_1).
82 int __fpu_shr(register struct fpn *, register int);
83 void __fpu_norm(register struct fpn *);
84 /* Build a new Quiet NaN (sign=0, frac=all 1's). */
85 struct fpn *__fpu_newnan(register struct fpemu *);
87 #endif /* !_SPARC64_FPU_FPU_EXTERN_H_ */