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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 struct proc; 34 struct fpu; 35 struct trapframe; 36 union instr; 37 struct fpemu; 38 struct fpn; 39 40 /* fpu.c */ 41 int fpu_emulate(struct trapframe *, struct fpu *); 42 int fpu_execute(struct trapframe *, struct fpemu *, union instr *); 43 44 /* fpu_explode.c */ 45 int fpu_itof(struct fpn *, u_int); 46 int fpu_xtof(struct fpn *, u_int64_t); 47 int fpu_stof(struct fpn *, u_int); 48 int fpu_dtof(struct fpn *, u_int, u_int); 49 50 /* fpu_implode.c */ 51 u_int fpu_ftoi(struct fpemu *, struct fpn *); 52 u_int fpu_ftox(struct fpemu *, struct fpn *, u_int *); 53 u_int fpu_ftos(struct fpemu *, struct fpn *); 54 u_int fpu_ftod(struct fpemu *, struct fpn *, u_int *); 55 56