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1 /*
2  * Xtensa Special Register symbolic names
3  */
4 
5 /* $Id: //depot/rel/Eaglenest/Xtensa/SWConfig/hal/specreg.h.tpp#1 $ */
6 
7 /* Customer ID=11657; Build=0x5fe96; 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 WINDOWBASE	72
49 #define WINDOWSTART	73
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 CONFIGID0	176
61 #define EPC_1		177
62 #define EPC_2		178
63 #define EPC_3		179
64 #define EPC_4		180
65 #define EPC_5		181
66 #define EPC_6		182
67 #define EPC_7		183
68 #define DEPC		192
69 #define EPS_2		194
70 #define EPS_3		195
71 #define EPS_4		196
72 #define EPS_5		197
73 #define EPS_6		198
74 #define EPS_7		199
75 #define CONFIGID1	208
76 #define EXCSAVE_1	209
77 #define EXCSAVE_2	210
78 #define EXCSAVE_3	211
79 #define EXCSAVE_4	212
80 #define EXCSAVE_5	213
81 #define EXCSAVE_6	214
82 #define EXCSAVE_7	215
83 #define CPENABLE	224
84 #define INTERRUPT	226
85 #define INTENABLE	228
86 #define PS		230
87 #define VECBASE		231
88 #define EXCCAUSE	232
89 #define DEBUGCAUSE	233
90 #define CCOUNT		234
91 #define PRID		235
92 #define ICOUNT		236
93 #define ICOUNTLEVEL	237
94 #define EXCVADDR	238
95 #define CCOMPARE_0	240
96 #define CCOMPARE_1	241
97 #define CCOMPARE_2	242
98 #define MISC_REG_0	244
99 #define MISC_REG_1	245
100 #define MISC_REG_2	246
101 #define MISC_REG_3	247
102 
103 /*  Special cases (bases of special register series):  */
104 #define MR		32
105 #define IBREAKA		128
106 #define DBREAKA		144
107 #define DBREAKC		160
108 #define EPC		176
109 #define EPS		192
110 #define EXCSAVE		208
111 #define CCOMPARE	240
112 
113 /*  Special names for read-only and write-only interrupt registers:  */
114 #define INTREAD		226
115 #define INTSET		226
116 #define INTCLEAR	227
117 
118 #endif /* XTENSA_SPECREG_H */
119