1 /* $OpenBSD: fpu_extern.h,v 1.9 2024/03/29 21:14:31 miod 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 * 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 fpstate; 35 struct trapframe; 36 union instr; 37 struct fpemu; 38 struct fpn; 39 union sigval; 40 41 /* fpu.c */ 42 void fpu_cleanup(struct proc *, struct fpstate *, union instr, union sigval); 43 int fpu_emulate(struct proc *, struct trapframe *, struct fpstate *); 44 int fpu_execute(struct proc *, struct fpemu *, union instr); 45 46 /* fpu_add.c */ 47 struct fpn *fpu_add(struct fpemu *); 48 49 /* fpu_compare.c */ 50 void fpu_compare(struct fpemu *, int); 51 52 /* fpu_div.c */ 53 struct fpn *fpu_div(struct fpemu *); 54 55 /* fpu_explode.c */ 56 int fpu_itof(struct fpn *, u_int); 57 int fpu_xtof(struct fpn *, u_int64_t); 58 int fpu_stof(struct fpn *, u_int); 59 int fpu_dtof(struct fpn *, u_int, u_int ); 60 int fpu_qtof(struct fpn *, u_int, u_int , u_int , u_int ); 61 void fpu_explode(struct fpemu *, struct fpn *, int, int ); 62 63 /* fpu_implode.c */ 64 u_int fpu_ftoi(struct fpemu *, struct fpn *); 65 u_int fpu_ftox(struct fpemu *, struct fpn *, u_int *); 66 u_int fpu_ftos(struct fpemu *, struct fpn *); 67 u_int fpu_ftod(struct fpemu *, struct fpn *, u_int *); 68 u_int fpu_ftoq(struct fpemu *, struct fpn *, u_int *); 69 70 /* fpu_mul.c */ 71 struct fpn *fpu_mul(struct fpemu *); 72 73 /* fpu_sqrt.c */ 74 struct fpn *fpu_sqrt(struct fpemu *); 75 76 /* fpu_subr.c */ 77 int fpu_shr(struct fpn *, int); 78 void fpu_norm(struct fpn *); 79 struct fpn *fpu_newnan(struct fpemu *); 80