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 IBREAKENABLE	96
46 #define MEMCTL		97
47 #define ATOMCTL		99
48 #define DDR		104
49 #define IBREAKA_0	128
50 #define IBREAKA_1	129
51 #define DBREAKA_0	144
52 #define DBREAKA_1	145
53 #define DBREAKC_0	160
54 #define DBREAKC_1	161
55 #define EPC_1		177
56 #define EPC_2		178
57 #define EPC_3		179
58 #define EPC_4		180
59 #define EPC_5		181
60 #define DEPC		192
61 #define EPS_2		194
62 #define EPS_3		195
63 #define EPS_4		196
64 #define EPS_5		197
65 #define EXCSAVE_1	209
66 #define EXCSAVE_2	210
67 #define EXCSAVE_3	211
68 #define EXCSAVE_4	212
69 #define EXCSAVE_5	213
70 #define CPENABLE	224
71 #define INTERRUPT	226
72 #define INTENABLE	228
73 #define PS		230
74 #define VECBASE		231
75 #define EXCCAUSE	232
76 #define DEBUGCAUSE	233
77 #define CCOUNT		234
78 #define PRID		235
79 #define ICOUNT		236
80 #define ICOUNTLEVEL	237
81 #define EXCVADDR	238
82 #define CCOMPARE_0	240
83 
84 
85 /*  Special cases (bases of special register series):  */
86 #define IBREAKA		128
87 #define DBREAKA		144
88 #define DBREAKC		160
89 #define EPC		176
90 #define EPS		192
91 #define EXCSAVE		208
92 #define CCOMPARE	240
93 
94 /*  Special names for read-only and write-only interrupt registers:  */
95 #define INTREAD		226
96 #define INTSET		226
97 #define INTCLEAR	227
98 
99 #endif /* XTENSA_SPECREG_H */
100 
101