1 /* $NetBSD: fp.h,v 1.1 2001/01/10 19:02:06 bjh21 Exp $ */
4 * Copyright (c) 1995 Mark Brinicombe.
5 * Copyright (c) 1995 Brini.
8 * This code is derived from software written for Brini by Mark Brinicombe
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by Brini.
21 * 4. The name of the company nor the name of the author may be used to
22 * endorse or promote products derived from this software without specific
23 * prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * RiscBSD kernel project
52 * An extended precision floating point number
55 typedef struct fp_extended_precision {
56 u_int32_t fp_exponent;
57 u_int32_t fp_mantissa_hi;
58 u_int32_t fp_mantissa_lo;
59 } fp_extended_precision_t;
61 typedef struct fp_extended_precision fp_reg_t;
64 * Information about the FPE-SP state that is stored in the pcb
66 * This needs to move and be hidden from userland.
78 * Type for a saved FP context, if we want to translate the context to a
84 fp_extended_precision_t regs[8];
87 #endif /* _MACHINE_FP_H_ */