1 /*
2  * Xtensa Special Register symbolic names
3  */
4 
5 /* $Id: //depot/rel/Cottonwood/Xtensa/SWConfig/hal/specreg.h.tpp#2 $ */
6 
7 /* Customer ID=11430; Build=0x668e9; Copyright (c) 1998-2002 Tensilica Inc.
8 
9    Permission is hereby granted, free of charge, to any person obtaining
10    a copy of this software and associated documentation files (the
11    "Software"), to deal in the Software without restriction, including
12    without limitation the rights to use, copy, modify, merge, publish,
13    distribute, sublicense, and/or sell copies of the Software, and to
14    permit persons to whom the Software is furnished to do so, subject to
15    the following conditions:
16 
17    The above copyright notice and this permission notice shall be included
18    in all copies or substantial portions of the Software.
19 
20    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
24    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25    TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
27 
28 #ifndef XTENSA_SPECREG_H
29 #define XTENSA_SPECREG_H
30 
31 /*  Include these special register bitfield definitions, for historical reasons:  */
32 #include <xtensa/corebits.h>
33 
34 
35 /*  Special registers:  */
36 #define LBEG		0
37 #define LEND		1
38 #define LCOUNT		2
39 #define SAR		3
40 #define BR		4
41 #define SCOMPARE1	12
42 #define ACCLO		16
43 #define ACCHI		17
44 #define MR_0		32
45 #define MR_1		33
46 #define MR_2		34
47 #define MR_3		35
48 #define PREFCTL		40
49 #define WINDOWBASE	72
50 #define WINDOWSTART	73
51 #define IBREAKENABLE	96
52 #define ATOMCTL		99
53 #define DDR		104
54 #define IBREAKA_0	128
55 #define IBREAKA_1	129
56 #define DBREAKA_0	144
57 #define DBREAKA_1	145
58 #define DBREAKC_0	160
59 #define DBREAKC_1	161
60 #define EPC_1		177
61 #define EPC_2		178
62 #define EPC_3		179
63 #define EPC_4		180
64 #define EPC_5		181
65 #define EPC_6		182
66 #define EPC_7		183
67 #define DEPC		192
68 #define EPS_2		194
69 #define EPS_3		195
70 #define EPS_4		196
71 #define EPS_5		197
72 #define EPS_6		198
73 #define EPS_7		199
74 #define EXCSAVE_1	209
75 #define EXCSAVE_2	210
76 #define EXCSAVE_3	211
77 #define EXCSAVE_4	212
78 #define EXCSAVE_5	213
79 #define EXCSAVE_6	214
80 #define EXCSAVE_7	215
81 #define CPENABLE	224
82 #define INTERRUPT	226
83 #define INTENABLE	228
84 #define PS		230
85 #define VECBASE		231
86 #define EXCCAUSE	232
87 #define DEBUGCAUSE	233
88 #define CCOUNT		234
89 #define PRID		235
90 #define ICOUNT		236
91 #define ICOUNTLEVEL	237
92 #define EXCVADDR	238
93 #define CCOMPARE_0	240
94 #define CCOMPARE_1	241
95 #define CCOMPARE_2	242
96 
97 /*  Special cases (bases of special register series):  */
98 #define MR		32
99 #define IBREAKA		128
100 #define DBREAKA		144
101 #define DBREAKC		160
102 #define EPC		176
103 #define EPS		192
104 #define EXCSAVE		208
105 #define CCOMPARE	240
106 
107 /*  Special names for read-only and write-only interrupt registers:  */
108 #define INTREAD		226
109 #define INTSET		226
110 #define INTCLEAR	227
111 
112 #endif /* XTENSA_SPECREG_H */
113