1 /* $OpenBSD: fpu_extern.h,v 1.6 2008/06/26 05:42:13 ray 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 fpstate64; 35 struct trapframe64; 36 union instr; 37 struct fpemu; 38 struct fpn; 39 40 /* fpu.c */ 41 void fpu_cleanup(struct proc *, struct fpstate64 *); 42 int fpu_emulate(struct proc *, struct trapframe64 *, struct fpstate64 *); 43 int fpu_execute(struct proc *, struct fpemu *, union instr); 44 45 /* fpu_add.c */ 46 struct fpn *fpu_add(struct fpemu *); 47 48 /* fpu_compare.c */ 49 void fpu_compare(struct fpemu *, int); 50 51 /* fpu_div.c */ 52 struct fpn *fpu_div(struct fpemu *); 53 54 /* fpu_explode.c */ 55 int fpu_itof(struct fpn *, u_int); 56 int fpu_xtof(struct fpn *, u_int64_t); 57 int fpu_stof(struct fpn *, u_int); 58 int fpu_dtof(struct fpn *, u_int, u_int ); 59 int fpu_qtof(struct fpn *, u_int, u_int , u_int , u_int ); 60 void fpu_explode(struct fpemu *, struct fpn *, int, int ); 61 62 /* fpu_implode.c */ 63 u_int fpu_ftoi(struct fpemu *, struct fpn *); 64 u_int fpu_ftox(struct fpemu *, struct fpn *, u_int *); 65 u_int fpu_ftos(struct fpemu *, struct fpn *); 66 u_int fpu_ftod(struct fpemu *, struct fpn *, u_int *); 67 u_int fpu_ftoq(struct fpemu *, struct fpn *, u_int *); 68 69 /* fpu_mul.c */ 70 struct fpn *fpu_mul(struct fpemu *); 71 72 /* fpu_sqrt.c */ 73 struct fpn *fpu_sqrt(struct fpemu *); 74 75 /* fpu_subr.c */ 76 int fpu_shr(register struct fpn *, register int); 77 void fpu_norm(register struct fpn *); 78 struct fpn *fpu_newnan(register struct fpemu *); 79