1 /* $NetBSD: fpu_extern.h,v 1.3 2005/12/11 12:18:42 christos Exp $ */ 2 /* $FreeBSD$ */ 3 4 /*- 5 * Copyright (c) 1995 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Christos Zoulas. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 struct proc; 41 struct fpreg; 42 struct trapframe; 43 union instr; 44 struct fpemu; 45 struct fpn; 46 47 /* fpu.c */ 48 int fpu_emulate(struct trapframe *, struct fpreg *); 49 int fpu_execute(struct trapframe *, struct fpemu *, union instr *); 50 51 /* fpu_explode.c */ 52 int fpu_itof(struct fpn *, u_int); 53 int fpu_xtof(struct fpn *, u_int64_t); 54 int fpu_stof(struct fpn *, u_int); 55 int fpu_dtof(struct fpn *, u_int, u_int); 56 57 /* fpu_implode.c */ 58 u_int fpu_ftoi(struct fpemu *, struct fpn *); 59 u_int fpu_ftox(struct fpemu *, struct fpn *, u_int *); 60 u_int fpu_ftos(struct fpemu *, struct fpn *); 61 u_int fpu_ftod(struct fpemu *, struct fpn *, u_int *); 62 63