2 * Copyright (c) 2001 Jake Burkholder.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _MACHINE_PSTATE_H_
30 #define _MACHINE_PSTATE_H_
32 #define PSTATE_IE (1<<1)
33 #define PSTATE_PRIV (1<<2)
34 #define PSTATE_AM (1<<3)
35 #define PSTATE_PEF (1<<4)
36 #define PSTATE_RED (1<<5)
38 #define PSTATE_MM_SHIFT (6)
39 #define PSTATE_MM_SIZE (2)
40 #define PSTATE_MM_MASK (((1<<PSTATE_MM_SIZE)-1)<<PSTATE_MM_SHIFT)
41 #define PSTATE_MM_TSO (0<<PSTATE_MM_SHIFT)
42 #define PSTATE_MM_PSO (1<<PSTATE_MM_SHIFT)
43 #define PSTATE_MM_RMO (2<<PSTATE_MM_SHIFT)
45 #define PSTATE_TLE (1<<8)
46 #define PSTATE_CLE (1<<9)
49 #define PSTATE_MM PSTATE_MM_TSO
50 #define PSTATE_MASK ((1<<10)-1)
51 #define PSTATE_INTR_DISABLE (PSTATE_MASK & ~PSTATE_IE)
53 #define PSTATE_NORMAL (PSTATE_MM | PSTATE_PEF | PSTATE_PRIV)
54 #define PSTATE_KERNEL (PSTATE_NORMAL | PSTATE_IE)
56 #define PSTATE_SECURE(pstate) \
57 (((pstate) & ~(PSTATE_AM|PSTATE_MM_MASK)) == (PSTATE_IE|PSTATE_PEF))
59 #endif /* !_MACHINE_PSTATE_H_ */