1/*	$NetBSD: psl.h,v 1.9 2018/02/08 09:05:18 dholland Exp $	*/
2
3/*	$OpenBSD: psl.h,v 1.6 1999/11/25 18:29:01 mickey Exp $	*/
4
5/*
6 * Copyright (c) 1999-2004 Michael Shalayeff
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef _HPPA_PSL_H_
32#define _HPPA_PSL_H_
33
34/*
35 * Reference:
36 * 1. PA-RISC 1.1 Architecture and Instruction Set Manual
37 *    Hewlett Packard, 3rd Edition, February 1994; Part Number 09740-90039
38 */
39
40/*
41 * Processor Status Word Bit Positions (in PA-RISC bit order)
42 */
43#define	PSW_Y_POS	(0)
44#define	PSW_Z_POS	(1)
45#define	PSW_SS_POS	(3)	/* Reserved, Software-defined */
46#define	PSW_W_POS	(4)
47#define	PSW_E_POS	(5)
48#define	PSW_S_POS	(6)
49#define	PSW_T_POS	(7)
50#define	PSW_H_POS	(8)
51#define	PSW_L_POS	(9)
52#define	PSW_N_POS	(10)
53#define	PSW_X_POS	(11)
54#define	PSW_B_POS	(12)
55#define	PSW_C_POS	(13)
56#define	PSW_V_POS	(14)
57#define	PSW_M_POS	(15)
58#define	PSW_CB_POS	(16)
59#define	PSW_O_POS	(24)
60#define	PSW_G_POS	(25)
61#define	PSW_F_POS	(26)
62#define	PSW_R_POS	(27)
63#define	PSW_Q_POS	(28)
64#define	PSW_P_POS	(29)
65#define	PSW_D_POS	(30)
66#define	PSW_I_POS	(31)
67
68#define	PSW_BITS	"\020\001I\002D\003P\004Q\005R\006F\007G\010O"  \
69			"\021M\022V\023C\024B\025X\026N\027L\030H" \
70			"\031T\032S\033E\034W\037Z\040Y"
71
72/*
73 * Processor Status Word Bit Values
74 */
75#define	PSW_Y	(1 << (31-PSW_Y_POS))	/* Data Debug Trap Disable */
76#define	PSW_Z	(1 << (31-PSW_Z_POS))	/* Instruction Debug Trap Disable */
77#define	PSW_SS	(1 << (31-PSW_SS_POS))	/* Reserved; Software Single-Step */
78#define	PSW_W	(1 << (31-PSW_W_POS))	/* 64bit address decode enable */
79#define	PSW_E	(1 << (31-PSW_E_POS))	/* Little Endian Memory Access Enable */
80#define	PSW_S	(1 << (31-PSW_S_POS))	/* Secure Interval Timer */
81#define	PSW_T	(1 << (31-PSW_T_POS))	/* Taken Branch Trap Enable */
82#define	PSW_H	(1 << (31-PSW_H_POS))	/* Higher-privilege Transfer Trap Enable */
83#define	PSW_L	(1 << (31-PSW_L_POS))	/* Lower-privilege Transfer Trap Enable */
84#define	PSW_N	(1 << (31-PSW_N_POS))	/* Nullify */
85#define	PSW_X	(1 << (31-PSW_X_POS))	/* Data Memory Break Disable */
86#define	PSW_B	(1 << (31-PSW_B_POS))	/* Taken Branch */
87#define	PSW_C	(1 << (31-PSW_C_POS))	/* Instruction Address Translation Enable */
88#define	PSW_V	(1 << (31-PSW_V_POS))	/* Divide Step Correction */
89#define	PSW_M	(1 << (31-PSW_M_POS))	/* High-priority Machine Check Mask */
90#define	PSW_CB	(1 << (31-PSW_CB_POS))	/* Carry/Borrow Bits */
91#define	PSW_O	(1 << (31-PSW_O_POS))	/* Force strong ordering (2.0) */
92#define	PSW_G	(1 << (31-PSW_G_POS))	/* Debug Trap Enable */
93#define	PSW_F	(1 << (31-PSW_F_POS))	/* Performance Monitor Interrupt Unmask */
94#define	PSW_R	(1 << (31-PSW_R_POS))	/* Recover Counter Enable */
95#define	PSW_Q	(1 << (31-PSW_Q_POS))	/* Interrupt State Collection Enable */
96#define	PSW_P	(1 << (31-PSW_P_POS))	/* Protection Identifier Validation Enable */
97#define	PSW_D	(1 << (31-PSW_D_POS))	/* Data Address Translation Enable */
98#define	PSW_I	(1 << (31-PSW_I_POS))	/* External Interrupt, Power Failure
99					   Interrupt, and Low-Priority Machine
100					   Check Interrupt unmask */
101
102/*
103 * Frequently Used PSW Values
104 */
105#define	RESET_PSW	(PSW_R | PSW_Q | PSW_P | PSW_D | PSW_I)
106#define PSW_MBS		(PSW_C | PSW_Q | PSW_P | PSW_D | PSW_I)
107#define PSW_MBZ		(PSW_Y | PSW_Z | PSW_S | PSW_X | PSW_M | PSW_R)
108
109#endif  /* _HPPA_PSL_H_ */
110