1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2001 Jake Burkholder.
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/pstate.h 326262 2017-11-27 15:10:39Z pfg $
29  */
30 
31 #ifndef	_MACHINE_PSTATE_H_
32 #define	_MACHINE_PSTATE_H_
33 
34 #define	PSTATE_AG		(1<<0)
35 #define	PSTATE_IE		(1<<1)
36 #define	PSTATE_PRIV		(1<<2)
37 #define	PSTATE_AM		(1<<3)
38 #define	PSTATE_PEF		(1<<4)
39 #define	PSTATE_RED		(1<<5)
40 
41 #define	PSTATE_MM_SHIFT		(6)
42 #define	PSTATE_MM_SIZE		(2)
43 #define	PSTATE_MM_MASK		(((1<<PSTATE_MM_SIZE)-1)<<PSTATE_MM_SHIFT)
44 #define	PSTATE_MM_TSO		(0<<PSTATE_MM_SHIFT)
45 #define	PSTATE_MM_PSO		(1<<PSTATE_MM_SHIFT)
46 #define	PSTATE_MM_RMO		(2<<PSTATE_MM_SHIFT)
47 
48 #define	PSTATE_TLE		(1<<8)
49 #define	PSTATE_CLE		(1<<9)
50 #define	PSTATE_MG		(1<<10)
51 #define	PSTATE_IG		(1<<11)
52 
53 #define	PSTATE_MM		PSTATE_MM_TSO
54 
55 #define	PSTATE_NORMAL		(PSTATE_MM | PSTATE_PEF | PSTATE_PRIV)
56 #define	PSTATE_ALT		(PSTATE_NORMAL | PSTATE_AG)
57 #define	PSTATE_INTR		(PSTATE_NORMAL | PSTATE_IG)
58 #define	PSTATE_MMU		(PSTATE_NORMAL | PSTATE_MG)
59 
60 #define	PSTATE_KERNEL		(PSTATE_NORMAL | PSTATE_IE)
61 
62 #define	PSTATE_SECURE(pstate) \
63 	(((pstate) & ~(PSTATE_AM|PSTATE_MM_MASK)) == (PSTATE_IE|PSTATE_PEF))
64 
65 #endif /* !_MACHINE_PSTATE_H_ */
66