1 /*
2  * Xtensa Special Register symbolic names
3  */
4 
5 /* $Id: //depot/rel/Homewood/ib.10/Xtensa/SWConfig/hal/specreg.h.tpp#1 $ */
6 
7 /* 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 PREFCTL		40
43 #define WINDOWBASE	72
44 #define WINDOWSTART	73
45 #define PTEVADDR	83
46 #define RASID		90
47 #define ITLBCFG		91
48 #define DTLBCFG		92
49 #define ERACCESS	95
50 #define IBREAKENABLE	96
51 #define MEMCTL		97
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 DEPC		192
66 #define EPS_2		194
67 #define EPS_3		195
68 #define EPS_4		196
69 #define EPS_5		197
70 #define EXCSAVE_1	209
71 #define EXCSAVE_2	210
72 #define EXCSAVE_3	211
73 #define EXCSAVE_4	212
74 #define EXCSAVE_5	213
75 #define CPENABLE	224
76 #define INTERRUPT	226
77 #define INTENABLE	228
78 #define PS		230
79 #define VECBASE		231
80 #define EXCCAUSE	232
81 #define DEBUGCAUSE	233
82 #define CCOUNT		234
83 #define PRID		235
84 #define ICOUNT		236
85 #define ICOUNTLEVEL	237
86 #define EXCVADDR	238
87 #define CCOMPARE_0	240
88 #define CCOMPARE_1	241
89 #define MISC_REG_0	244
90 #define MISC_REG_1	245
91 
92 
93 /*  Special cases (bases of special register series):  */
94 #define IBREAKA		128
95 #define DBREAKA		144
96 #define DBREAKC		160
97 #define EPC		176
98 #define EPS		192
99 #define EXCSAVE		208
100 #define CCOMPARE	240
101 
102 /*  Special names for read-only and write-only interrupt registers:  */
103 #define INTREAD		226
104 #define INTSET		226
105 #define INTCLEAR	227
106 
107 #endif /* XTENSA_SPECREG_H */
108 
109