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Diffstat (limited to 'lib/libc/sparc64/fpu/fpu_extern.h')
| -rw-r--r-- | lib/libc/sparc64/fpu/fpu_extern.h | 97 |
1 files changed, 97 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..4d18ed494a98 --- /dev/null +++ b/lib/libc/sparc64/fpu/fpu_extern.h @@ -0,0 +1,97 @@ +/*- + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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. + * + * from: 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 proc; +struct fpstate; +struct utrapframe; +union instr; +struct fpemu; +struct fpn; + +/* fpu.c */ +void __fpu_exception __P((struct utrapframe *tf)); +void __fpu_panic __P((char *msg)); + +/* fpu_add.c */ +struct fpn *__fpu_add __P((struct fpemu *)); + +/* fpu_compare.c */ +void __fpu_compare __P((struct fpemu *, int)); + +/* fpu_div.c */ +struct fpn *__fpu_div __P((struct fpemu *)); + +/* fpu_explode.c */ +int __fpu_itof __P((struct fpn *, u_int)); +int __fpu_xtof __P((struct fpn *, u_int64_t)); +int __fpu_stof __P((struct fpn *, u_int)); +int __fpu_dtof __P((struct fpn *, u_int, u_int )); +int __fpu_qtof __P((struct fpn *, u_int, u_int , u_int , u_int )); +void __fpu_explode __P((struct fpemu *, struct fpn *, int, int )); + +/* fpu_implode.c */ +u_int __fpu_ftoi __P((struct fpemu *, struct fpn *)); +u_int __fpu_ftox __P((struct fpemu *, struct fpn *, u_int *)); +u_int __fpu_ftos __P((struct fpemu *, struct fpn *)); +u_int __fpu_ftod __P((struct fpemu *, struct fpn *, u_int *)); +u_int __fpu_ftoq __P((struct fpemu *, struct fpn *, u_int *)); +void __fpu_implode __P((struct fpemu *, struct fpn *, int, u_int *)); + +/* fpu_mul.c */ +struct fpn *__fpu_mul __P((struct fpemu *)); + +/* fpu_sqrt.c */ +struct fpn *__fpu_sqrt __P((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 __P((register struct fpn *, register int)); +void __fpu_norm __P((register struct fpn *)); +/* Build a new Quiet NaN (sign=0, frac=all 1's). */ +struct fpn *__fpu_newnan __P((register struct fpemu *)); + +#endif /* !_SPARC64_FPU_FPU_EXTERN_H_ */ |