1/* $NetBSD: fpu_extern.h,v 1.8 2005/11/16 23:24:44 uwe 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#if defined(_KERNEL_OPT) 33#include "opt_sparc_arch.h" 34#endif 35 36struct proc; 37#ifndef SUN4U 38struct fpstate; 39struct trapframe; 40#else /* SUN4U */ 41struct fpstate64; 42struct trapframe64; 43#endif /* SUN4U */ 44union instr; 45struct fpemu; 46struct fpn; 47 48/* fpu.c */ 49#ifndef SUN4U 50int fpu_cleanup(struct lwp *, struct fpstate *); 51int fpu_emulate(struct lwp *, struct trapframe *, struct fpstate *); 52#else /* SUN4U */ 53int fpu_cleanup(struct lwp *, struct fpstate64 *); 54int fpu_emulate(struct lwp *, struct trapframe64 *, struct fpstate64 *); 55#endif /* SUN4U */ 56int fpu_execute(struct fpemu *, union instr); 57 58/* fpu_add.c */ 59struct fpn *fpu_add(struct fpemu *); 60 61/* fpu_compare.c */ 62void fpu_compare(struct fpemu *, int); 63 64/* fpu_div.c */ 65struct fpn *fpu_div(struct fpemu *); 66 67/* fpu_explode.c */ 68int fpu_itof(struct fpn *, u_int); 69#ifdef SUN4U 70int fpu_xtof(struct fpn *, uint64_t); 71#endif /* SUN4U */ 72int fpu_stof(struct fpn *, u_int); 73int fpu_dtof(struct fpn *, u_int, u_int ); 74int fpu_qtof(struct fpn *, u_int, u_int , u_int , u_int ); 75void fpu_explode(struct fpemu *, struct fpn *, int, int ); 76 77/* fpu_implode.c */ 78u_int fpu_ftoi(struct fpemu *, struct fpn *); 79#ifdef SUN4U 80u_int fpu_ftox(struct fpemu *, struct fpn *, u_int *); 81#endif /* SUN4U */ 82u_int fpu_ftos(struct fpemu *, struct fpn *); 83u_int fpu_ftod(struct fpemu *, struct fpn *, u_int *); 84u_int fpu_ftoq(struct fpemu *, struct fpn *, u_int *); 85void fpu_implode(struct fpemu *, struct fpn *, int, u_int *); 86 87/* fpu_mul.c */ 88struct fpn *fpu_mul(struct fpemu *); 89 90/* fpu_sqrt.c */ 91struct fpn *fpu_sqrt(struct fpemu *); 92 93/* fpu_subr.c */ 94int fpu_shr(register struct fpn *, register int); 95void fpu_norm(register struct fpn *); 96struct fpn *fpu_newnan(register struct fpemu *); 97