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