1 /* $OpenBSD: fpu_extern.h,v 1.2 2001/09/09 22:44:44 jason Exp $ */ 2 /* $NetBSD: fpu_extern.h,v 1.4 2000/08/03 18:32:08 eeh Exp $ */ 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 #ifndef SUN4U 42 struct fpstate; 43 struct trapframe; 44 #else /* SUN4U */ 45 struct fpstate64; 46 struct trapframe64; 47 #endif /* SUN4U */ 48 union instr; 49 struct fpemu; 50 struct fpn; 51 52 /* fpu.c */ 53 #ifndef SUN4U 54 void fpu_cleanup __P((struct proc *, struct fpstate *)); 55 int fpu_emulate __P((struct proc *, struct trapframe *, struct fpstate *)); 56 #else /* SUN4U */ 57 void fpu_cleanup __P((struct proc *, struct fpstate64 *)); 58 int fpu_emulate __P((struct proc *, struct trapframe64 *, struct fpstate64 *)); 59 #endif /* SUN4U */ 60 int fpu_execute __P((struct fpemu *, union instr)); 61 62 /* fpu_add.c */ 63 struct fpn *fpu_add __P((struct fpemu *)); 64 65 /* fpu_compare.c */ 66 void fpu_compare __P((struct fpemu *, int)); 67 68 /* fpu_div.c */ 69 struct fpn *fpu_div __P((struct fpemu *)); 70 71 /* fpu_explode.c */ 72 int fpu_itof __P((struct fpn *, u_int)); 73 #ifdef SUN4U 74 int fpu_xtof __P((struct fpn *, u_int64_t)); 75 #endif /* SUN4U */ 76 int fpu_stof __P((struct fpn *, u_int)); 77 int fpu_dtof __P((struct fpn *, u_int, u_int )); 78 int fpu_qtof __P((struct fpn *, u_int, u_int , u_int , u_int )); 79 void fpu_explode __P((struct fpemu *, struct fpn *, int, int )); 80 81 /* fpu_implode.c */ 82 u_int fpu_ftoi __P((struct fpemu *, struct fpn *)); 83 #ifdef SUN4U 84 u_int fpu_ftox __P((struct fpemu *, struct fpn *, u_int *)); 85 #endif /* SUN4U */ 86 u_int fpu_ftos __P((struct fpemu *, struct fpn *)); 87 u_int fpu_ftod __P((struct fpemu *, struct fpn *, u_int *)); 88 u_int fpu_ftoq __P((struct fpemu *, struct fpn *, u_int *)); 89 90 /* fpu_mul.c */ 91 struct fpn *fpu_mul __P((struct fpemu *)); 92 93 /* fpu_sqrt.c */ 94 struct fpn *fpu_sqrt __P((struct fpemu *)); 95 96 /* fpu_subr.c */ 97 int fpu_shr __P((register struct fpn *, register int)); 98 void fpu_norm __P((register struct fpn *)); 99 struct fpn *fpu_newnan __P((register struct fpemu *)); 100