1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1995 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 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. 18 * 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. 30 * 31 * $NetBSD: fpu_extern.h,v 1.4 2000/08/03 18:32:08 eeh Exp $ 32 * $FreeBSD$ 33 */ 34 35#ifndef _SPARC64_FPU_FPU_EXTERN_H_ 36#define _SPARC64_FPU_FPU_EXTERN_H_ 37 38struct utrapframe; 39struct fpemu; 40struct fpn; 41 42/* fpu.c */ 43int __fpu_exception(struct utrapframe *tf); 44 45/* fpu_add.c */ 46struct fpn *__fpu_add(struct fpemu *); 47 48/* fpu_compare.c */ 49void __fpu_compare(struct fpemu *, int, int); 50 51/* fpu_div.c */ 52struct fpn *__fpu_div(struct fpemu *); 53 54/* fpu_explode.c */ 55int __fpu_itof(struct fpn *, u_int); 56int __fpu_xtof(struct fpn *, u_int64_t); 57int __fpu_stof(struct fpn *, u_int); 58int __fpu_dtof(struct fpn *, u_int, u_int); 59int __fpu_qtof(struct fpn *, u_int, u_int, u_int, u_int); 60void __fpu_explode(struct fpemu *, struct fpn *, int, int); 61 62/* fpu_implode.c */ 63u_int __fpu_ftoi(struct fpemu *, struct fpn *); 64u_int __fpu_ftox(struct fpemu *, struct fpn *, u_int *); 65u_int __fpu_ftos(struct fpemu *, struct fpn *); 66u_int __fpu_ftod(struct fpemu *, struct fpn *, u_int *); 67u_int __fpu_ftoq(struct fpemu *, struct fpn *, u_int *); 68void __fpu_implode(struct fpemu *, struct fpn *, int, u_int *); 69 70/* fpu_mul.c */ 71struct fpn *__fpu_mul(struct fpemu *); 72 73/* fpu_sqrt.c */ 74struct fpn *__fpu_sqrt(struct fpemu *); 75 76/* fpu_subr.c */ 77/* 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). 81 */ 82int __fpu_shr(register struct fpn *, register int); 83void __fpu_norm(register struct fpn *); 84/* Build a new Quiet NaN (sign=0, frac=all 1's). */ 85struct fpn *__fpu_newnan(register struct fpemu *); 86 87#endif /* !_SPARC64_FPU_FPU_EXTERN_H_ */ 88