1 /*        $NetBSD: regnum.h,v 1.12 2020/07/26 08:08:41 simonb Exp $   */
2 
3 /*
4  * Copyright (c) 1988 University of Utah.
5  * Copyright (c) 1992, 1993
6  *        The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * the Systems Programming Group of the University of Utah Computer
10  * Science Department and Ralph Campbell.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * from: Utah Hdr: reg.h 1.1 90/07/09
37  *
38  *        @(#)reg.h 8.2 (Berkeley) 1/11/94
39  */
40 
41 /*
42  * Location of the users' stored
43  * registers relative to ZERO.
44  * Usage is p->p_regs[XX].
45  */
46 #define   _R_ZERO             0                   /* hardware zero */
47 #define   _R_AST              1                   /* caller-saved */
48 #define   _R_V0               2                   /* caller-saved */
49 #define   _R_V1               3                   /* caller-saved */
50 #define   _R_A0               4                   /* caller-saved */
51 #define   _R_A1               5                   /* caller-saved */
52 #define   _R_A2               6                   /* caller-saved */
53 #define   _R_A3               7                   /* caller-saved */
54 #if defined(__mips_n32) || defined(__mips_n64)
55 #define   _R_A4               8                   /* caller-saved */
56 #define   _R_A5               9                   /* caller-saved */
57 #define   _R_A6               10                  /* caller-saved */
58 #define   _R_A7               11                  /* caller-saved */
59 #define   _R_T0               12                  /* caller-saved */
60 #define   _R_T1               13                  /* caller-saved */
61 #define   _R_T2               14                  /* caller-saved */
62 #define   _R_T3               15                  /* caller-saved */
63 #else
64 #define   _R_T0               8                   /* caller-saved */
65 #define   _R_T1               9                   /* caller-saved */
66 #define   _R_T2               10                  /* caller-saved */
67 #define   _R_T3               11                  /* caller-saved */
68 #define   _R_T4               12                  /* caller-saved */
69 #define   _R_T5               13                  /* caller-saved */
70 #define   _R_T6               14                  /* caller-saved */
71 #define   _R_T7               15                  /* caller-saved */
72 #endif /* __mips_n32 || __mips_n64 */
73 #define   _R_S0               16                  /* CALLEE-saved */
74 #define   _R_S1               17                  /* CALLEE-saved */
75 #define   _R_S2               18                  /* CALLEE-saved */
76 #define   _R_S3               19                  /* CALLEE-saved */
77 #define   _R_S4               20                  /* CALLEE-saved */
78 #define   _R_S5               21                  /* CALLEE-saved */
79 #define   _R_S6               22                  /* CALLEE-saved */
80 #define   _R_S7               23                  /* CALLEE-saved */
81 #define   _R_T8               24                  /* caller-saved */
82 #define   _R_T9               25                  /* caller-saved */
83 #define   _R_K0               26                  /* kernel reserved */
84 #define   _R_K1               27                  /* kernel reserved */
85 #define   _R_GP               28                  /* CALLEE-saved */
86 #define   _R_SP               29                  /* CALLEE-saved */
87 #define   _R_S8               30                  /* CALLEE-saved */
88 #define   _R_RA               31                  /* caller-saved */
89 #define   _R_SR               32
90 #define   _R_PS               _R_SR     /* alias for SR */
91 
92 /* See <mips/regdef.h> for an explanation. */
93 #if defined(__mips_n32) || defined(__mips_n64)
94 #define   _R_TA0              8
95 #define   _R_TA1              9
96 #define   _R_TA2              10
97 #define   _R_TA3              11
98 #else
99 #define   _R_TA0              12
100 #define   _R_TA1              13
101 #define   _R_TA2              14
102 #define   _R_TA3              15
103 #endif /* __mips_n32 || __mips_n64 */
104 
105 #define   _R_MULLO  33
106 #define   _R_MULHI  34
107 #define   _R_BADVADDR         35
108 #define   _R_CAUSE  36
109 #define   _R_PC               37
110 
111 #define   _FPBASE             (_R_PC + 1)
112 #define   _R_F0               (_FPBASE+0)
113 #define   _R_F1               (_FPBASE+1)
114 #define   _R_F2               (_FPBASE+2)
115 #define   _R_F3               (_FPBASE+3)
116 #define   _R_F4               (_FPBASE+4)
117 #define   _R_F5               (_FPBASE+5)
118 #define   _R_F6               (_FPBASE+6)
119 #define   _R_F7               (_FPBASE+7)
120 #define   _R_F8               (_FPBASE+8)
121 #define   _R_F9               (_FPBASE+9)
122 #define   _R_F10              (_FPBASE+10)
123 #define   _R_F11              (_FPBASE+11)
124 #define   _R_F12              (_FPBASE+12)
125 #define   _R_F13              (_FPBASE+13)
126 #define   _R_F14              (_FPBASE+14)
127 #define   _R_F15              (_FPBASE+15)
128 #define   _R_F16              (_FPBASE+16)
129 #define   _R_F17              (_FPBASE+17)
130 #define   _R_F18              (_FPBASE+18)
131 #define   _R_F19              (_FPBASE+19)
132 #define   _R_F20              (_FPBASE+20)
133 #define   _R_F21              (_FPBASE+21)
134 #define   _R_F22              (_FPBASE+22)
135 #define   _R_F23              (_FPBASE+23)
136 #define   _R_F24              (_FPBASE+24)
137 #define   _R_F25              (_FPBASE+25)
138 #define   _R_F26              (_FPBASE+26)
139 #define   _R_F27              (_FPBASE+27)
140 #define   _R_F28              (_FPBASE+28)
141 #define   _R_F29              (_FPBASE+29)
142 #define   _R_F30              (_FPBASE+30)
143 #define   _R_F31              (_FPBASE+31)
144 #define   _R_FSR              (_FPBASE+32)
145 
146 #define   _R_DSPBASE          (_R_FSR + 1)
147 #define   _R_MULLO1 (_R_DSPBASE + 0)
148 #define   _R_MULHI1 (_R_DSPBASE + 1)
149 #define   _R_MULLO2 (_R_DSPBASE + 2)
150 #define   _R_MULHI2 (_R_DSPBASE + 3)
151 #define   _R_MULLO3 (_R_DSPBASE + 4)
152 #define   _R_MULHI3 (_R_DSPBASE + 5)
153 #define   _R_DSPCTL (_R_DSPBASE + 6)
154