2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2001 Jake Burkholder.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 #ifndef _MACHINE_PSTATE_H_
32 #define _MACHINE_PSTATE_H_
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)
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)
48 #define PSTATE_TLE (1<<8)
49 #define PSTATE_CLE (1<<9)
50 #define PSTATE_MG (1<<10)
51 #define PSTATE_IG (1<<11)
53 #define PSTATE_MM PSTATE_MM_TSO
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)
60 #define PSTATE_KERNEL (PSTATE_NORMAL | PSTATE_IE)
62 #define PSTATE_SECURE(pstate) \
63 (((pstate) & ~(PSTATE_AM|PSTATE_MM_MASK)) == (PSTATE_IE|PSTATE_PEF))
65 #endif /* !_MACHINE_PSTATE_H_ */