1 /* $NetBSD: fpu_extern.h,v 1.4 2000/08/03 18:32:08 eeh Exp $ */ 2 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 struct proc; 40 #ifndef SUN4U 41 struct fpstate; 42 struct trapframe; 43 #else /* SUN4U */ 44 struct fpstate64; 45 struct trapframe64; 46 #endif /* SUN4U */ 47 union instr; 48 struct fpemu; 49 struct fpn; 50 51 /* fpu.c */ 52 #ifndef SUN4U 53 void fpu_cleanup __P((struct proc *, struct fpstate *)); 54 int fpu_emulate __P((struct proc *, struct trapframe *, struct fpstate *)); 55 #else /* SUN4U */ 56 void fpu_cleanup __P((struct proc *, struct fpstate64 *)); 57 int fpu_emulate __P((struct proc *, struct trapframe64 *, struct fpstate64 *)); 58 #endif /* SUN4U */ 59 int fpu_execute __P((struct fpemu *, union instr)); 60 61 /* fpu_add.c */ 62 struct fpn *fpu_add __P((struct fpemu *)); 63 64 /* fpu_compare.c */ 65 void fpu_compare __P((struct fpemu *, int)); 66 67 /* fpu_div.c */ 68 struct fpn *fpu_div __P((struct fpemu *)); 69 70 /* fpu_explode.c */ 71 int fpu_itof __P((struct fpn *, u_int)); 72 #ifdef SUN4U 73 int fpu_xtof __P((struct fpn *, u_int64_t)); 74 #endif /* SUN4U */ 75 int fpu_stof __P((struct fpn *, u_int)); 76 int fpu_dtof __P((struct fpn *, u_int, u_int )); 77 int fpu_qtof __P((struct fpn *, u_int, u_int , u_int , u_int )); 78 void fpu_explode __P((struct fpemu *, struct fpn *, int, int )); 79 80 /* fpu_implode.c */ 81 u_int fpu_ftoi __P((struct fpemu *, struct fpn *)); 82 #ifdef SUN4U 83 u_int fpu_ftox __P((struct fpemu *, struct fpn *, u_int *)); 84 #endif /* SUN4U */ 85 u_int fpu_ftos __P((struct fpemu *, struct fpn *)); 86 u_int fpu_ftod __P((struct fpemu *, struct fpn *, u_int *)); 87 u_int fpu_ftoq __P((struct fpemu *, struct fpn *, u_int *)); 88 void fpu_implode __P((struct fpemu *, struct fpn *, int, 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