1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2008 Marius Strobl <marius@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD: stable/12/sys/sparc64/include/dcr.h 326262 2017-11-27 15:10:39Z pfg $
29  */
30 
31 #ifndef	_MACHINE_DCR_H_
32 #define	_MACHINE_DCR_H_
33 
34 /*
35  * Definitions for the UltraSPARC-III Depatch Control Register (ASR 18).
36  */
37 #define	DCR_MS			(1UL << 0)
38 #define	DCR_IFPOE		(1UL << 1)
39 #define	DCR_SI			(1UL << 3)
40 #define	DCR_RPE			(1UL << 4)
41 #define	DCR_BPE			(1UL << 5)
42 
43 #define	DCR_OBSDATA_SHIFT	6
44 #define	DCR_OBSDATA_CT_BITS	8
45 #define	DCR_OBSDATA_CT_MASK						\
46 	(((1UL << DCR_OBSDATA_CT_BITS) - 1) << DCR_OBSDATA_SHIFT)
47 
48 /* The following bits are valid for the UltraSPARC-III++/IV+ only. */
49 #define	DCR_IPE			(1UL << 2)
50 
51 #define	DCR_OBSDATA_CTP_BITS	6
52 #define	DCR_OBSDATA_CTP_MASK						\
53 	(((1UL << DCR_OBSDATA_CTP_BITS) - 1) << DCR_OBSDATA_SHIFT)
54 
55 #define	DCR_DPE			(1UL << 12)
56 
57 /* The following bits are valid for the UltraSPARC-IV+ only. */
58 #define	DCR_BPM_SHIFT		13
59 #define	DCR_BPM_BITS		2
60 #define	DCR_BPM_MASK							\
61 	(((1UL << DCR_BPM_BITS) - 1) << DCR_BPM_SHIFT)
62 #define	DCR_BPM_1HIST_GSHARE	(0UL << DCR_BPM_SHIFT)
63 #define	DCR_BPM_2HIST_GSHARE	(1UL << DCR_BPM_SHIFT)
64 #define	DCR_BPM_PC		(2UL << DCR_BPM_SHIFT)
65 #define	DCR_BPM_2HIST_MIXED	(3UL << DCR_BPM_SHIFT)
66 
67 #define	DCR_JPE			(1UL << 15)
68 #define	DCR_ITPE		(1UL << 16)
69 #define	DCR_DTPE		(1UL << 17)
70 #define	DCR_PPE			(1UL << 18)
71 
72 #endif	/* _MACHINE_DCR_H_ */
73