diff options
Diffstat (limited to 'lib/libc/sparc64/fpu/fpu_extern.h')
| -rw-r--r-- | lib/libc/sparc64/fpu/fpu_extern.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/lib/libc/sparc64/fpu/fpu_extern.h b/lib/libc/sparc64/fpu/fpu_extern.h new file mode 100644 index 000000000000..a5fb9428d077 --- /dev/null +++ b/lib/libc/sparc64/fpu/fpu_extern.h @@ -0,0 +1,85 @@ +/*- + * Copyright (c) 1995 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Christos Zoulas. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * $NetBSD: fpu_extern.h,v 1.4 2000/08/03 18:32:08 eeh Exp $ + * $FreeBSD$ + */ + +#ifndef _SPARC64_FPU_FPU_EXTERN_H_ +#define _SPARC64_FPU_FPU_EXTERN_H_ + +struct utrapframe; +struct fpemu; +struct fpn; + +/* fpu.c */ +int __fpu_exception(struct utrapframe *tf); + +/* fpu_add.c */ +struct fpn *__fpu_add(struct fpemu *); + +/* fpu_compare.c */ +void __fpu_compare(struct fpemu *, int, int); + +/* fpu_div.c */ +struct fpn *__fpu_div(struct fpemu *); + +/* fpu_explode.c */ +int __fpu_itof(struct fpn *, u_int); +int __fpu_xtof(struct fpn *, u_int64_t); +int __fpu_stof(struct fpn *, u_int); +int __fpu_dtof(struct fpn *, u_int, u_int); +int __fpu_qtof(struct fpn *, u_int, u_int, u_int, u_int); +void __fpu_explode(struct fpemu *, struct fpn *, int, int); + +/* fpu_implode.c */ +u_int __fpu_ftoi(struct fpemu *, struct fpn *); +u_int __fpu_ftox(struct fpemu *, struct fpn *, u_int *); +u_int __fpu_ftos(struct fpemu *, struct fpn *); +u_int __fpu_ftod(struct fpemu *, struct fpn *, u_int *); +u_int __fpu_ftoq(struct fpemu *, struct fpn *, u_int *); +void __fpu_implode(struct fpemu *, struct fpn *, int, u_int *); + +/* fpu_mul.c */ +struct fpn *__fpu_mul(struct fpemu *); + +/* fpu_sqrt.c */ +struct fpn *__fpu_sqrt(struct fpemu *); + +/* fpu_subr.c */ +/* + * Shift a number right some number of bits, taking care of round/sticky. + * Note that the result is probably not a well-formed number (it will lack + * the normal 1-bit mant[0]&FP_1). + */ +int __fpu_shr(register struct fpn *, register int); +void __fpu_norm(register struct fpn *); +/* Build a new Quiet NaN (sign=0, frac=all 1's). */ +struct fpn *__fpu_newnan(register struct fpemu *); + +#endif /* !_SPARC64_FPU_FPU_EXTERN_H_ */ |