1/*-
2 * Copyright 2001 by Thomas Moestl <tmm@FreeBSD.org>.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
17 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
21 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
22 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * $FreeBSD$
25 */
26
27#ifndef	_MACHINE_FSR_H_
28#define	_MACHINE_FSR_H_
29
30#define	FPRS_DL		(1 << 0)
31#define	FPRS_DU		(1 << 1)
32#define	FPRS_FEF	(1 << 2)
33
34#define	VIS_BLOCKSIZE	64
35
36#ifndef LOCORE
37
38#define	FSR_EXC_BITS	5
39#define	FSR_EXC_MASK	((1UL << FSR_EXC_BITS) - 1)
40#define	FSR_CEXC_SHIFT	0
41#define	FSR_CEXC_MASK	(FSR_EXC_MASK << FSR_CEXC_SHIFT)
42#define	FSR_CEXC(b)	((unsigned long)(b) << FSR_CEXC_SHIFT)
43#define	FSR_GET_CEXC(x)	(((x) & FSR_CEXC_MASK) >> FSR_CEXC_SHIFT)
44#define	FSR_AEXC_SHIFT	5
45#define	FSR_AEXC_MASK	(FSR_EXC_MASK << FSR_AEXC_SHIFT)
46#define	FSR_AEXC(b)	((unsigned long)(b) << FSR_AEXC_SHIFT)
47#define	FSR_GET_AEXC(x)	(((x) & FSR_AEXC_MASK) >> FSR_AEXC_SHIFT)
48#define	FSR_QNE		(1UL << 13)
49#define	FSR_NS		(1UL << 22)
50#define	FSR_TEM_SHIFT	23
51#define	FSR_TEM_MASK	(FSR_EXC_MASK << FSR_TEM_SHIFT)
52#define	FSR_TEM(b)	((unsigned long)(b) << FSR_TEM_SHIFT)
53#define	FSR_GET_TEM(x)	(((x) & FSR_TEM_MASK) >> FSR_TEM_SHIFT)
54#define	FSR_FCC0_SHIFT	10
55#define	FSR_FCC0_BITS	2
56#define	FSR_FCC0_MASK	(((1UL << FSR_FCC0_BITS) - 1) << FSR_FCC0_SHIFT)
57#define	FSR_FCC0(x)	((unsigned long)(x) << FSR_FCC0_SHIFT)
58#define	FSR_GET_FCC0(x)	(((x) & FSR_FCC0_MASK) >> FSR_FCC0_SHIFT)
59#define	FSR_FTT_SHIFT	14
60#define	FSR_FTT_BITS	3
61#define	FSR_FTT_MASK	(((1UL << FSR_FTT_BITS) - 1) << FSR_FTT_SHIFT)
62#define	FSR_FTT(x)	((unsigned long)(x) << FSR_FTT_SHIFT)
63#define	FSR_GET_FTT(x)	(((x) & FSR_FTT_MASK) >> FSR_FTT_SHIFT)
64#define	FSR_VER_SHIFT	17
65#define	FSR_GET_VER(x)	(((x) >> FSR_VER_SHIFT) & 7)
66#define	FSR_RD_SHIFT	30
67#define	FSR_RD_BITS	2
68#define	FSR_RD_MASK	(((1UL << FSR_RD_BITS) - 1) << FSR_RD_SHIFT)
69#define	FSR_RD(x)	((unsigned long)(x) << FSR_RD_SHIFT)
70#define	FSR_GET_RD(x)	(((x) & FSR_RD_MASK) >> FSR_RD_SHIFT)
71#define	FSR_FCC1_SHIFT	32
72#define	FSR_FCC1_BITS	2
73#define	FSR_FCC1_MASK	(((1UL << FSR_FCC1_BITS) - 1) << FSR_FCC1_SHIFT)
74#define	FSR_FCC1(x)	((unsigned long)(x) << FSR_FCC1_SHIFT)
75#define	FSR_GET_FCC1(x)	(((x) & FSR_FCC1_MASK) >> FSR_FCC1_SHIFT)
76#define	FSR_FCC2_SHIFT	34
77#define	FSR_FCC2_BITS	2
78#define	FSR_FCC2_MASK	(((1UL << FSR_FCC2_BITS) - 1) << FSR_FCC2_SHIFT)
79#define	FSR_FCC2(x)	((unsigned long)(x) << FSR_FCC2_SHIFT)
80#define	FSR_GET_FCC2(x)	(((x) & FSR_FCC2_MASK) >> FSR_FCC2_SHIFT)
81#define	FSR_FCC3_SHIFT	36
82#define	FSR_FCC3_BITS	2
83#define	FSR_FCC3_MASK	(((1UL << FSR_FCC3_BITS) - 1) << FSR_FCC3_SHIFT)
84#define	FSR_FCC3(x)	((unsigned long)(x) << FSR_FCC3_SHIFT)
85#define	FSR_GET_FCC3(x)	(((x) & FSR_FCC3_MASK) >> FSR_FCC3_SHIFT)
86
87/* CEXC/AEXC/TEM exception values */
88#define	FSR_NX		(1 << 0)
89#define	FSR_DZ		(1 << 1)
90#define	FSR_UF		(1 << 2)
91#define	FSR_OF		(1 << 3)
92#define	FSR_NV		(1 << 4)
93/* FTT values. */
94#define	FSR_FTT_NONE	0
95#define	FSR_FTT_IEEE	1
96#define	FSR_FTT_UNFIN	2
97#define	FSR_FTT_UNIMP	3
98#define	FSR_FTT_SEQERR	4
99#define	FSR_FTT_HWERR	5
100#define	FSR_FTT_INVREG	6
101/* RD values */
102#define	FSR_RD_N	0		/* nearest */
103#define	FSR_RD_Z	1		/* zero */
104#define	FSR_RD_PINF	2		/* +infinity */
105#define	FSR_RD_NINF	3		/* -infinity */
106/* condition codes */
107#define	FSR_CC_EQ	0	/* a = b */
108#define	FSR_CC_LT	1	/* a < b */
109#define	FSR_CC_GT	2	/* a > b */
110#define	FSR_CC_UO	3	/* unordered */
111
112#endif /* !LOCORE */
113
114#endif /* !_MACHINE_FSR_H_ */
115