forked from grate-driver/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
/
cpu.h
280 lines (253 loc) · 8.64 KB
/
cpu.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
/*
* cpu.h: Values of the PRId register used to match up
* various MIPS cpu types.
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
* Copyright (C) 2004 Maciej W. Rozycki
*/
#ifndef _ASM_CPU_H
#define _ASM_CPU_H
/* Assigned Company values for bits 23:16 of the PRId Register
(CP0 register 15, select 0). As of the MIPS32 and MIPS64 specs from
MTI, the PRId register is defined in this (backwards compatible)
way:
+----------------+----------------+----------------+----------------+
| Company Options| Company ID | Processor ID | Revision |
+----------------+----------------+----------------+----------------+
31 24 23 16 15 8 7
I don't have docs for all the previous processors, but my impression is
that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64
spec.
*/
#define PRID_COMP_LEGACY 0x000000
#define PRID_COMP_MIPS 0x010000
#define PRID_COMP_BROADCOM 0x020000
#define PRID_COMP_ALCHEMY 0x030000
#define PRID_COMP_SIBYTE 0x040000
#define PRID_COMP_SANDCRAFT 0x050000
#define PRID_COMP_PHILIPS 0x060000
#define PRID_COMP_TOSHIBA 0x070000
#define PRID_COMP_LSI 0x080000
#define PRID_COMP_LEXRA 0x0b0000
/*
* Assigned values for the product ID register. In order to detect a
* certain CPU type exactly eventually additional registers may need to
* be examined. These are valid when 23:16 == PRID_COMP_LEGACY
*/
#define PRID_IMP_R2000 0x0100
#define PRID_IMP_AU1_REV1 0x0100
#define PRID_IMP_AU1_REV2 0x0200
#define PRID_IMP_R3000 0x0200 /* Same as R2000A */
#define PRID_IMP_R6000 0x0300 /* Same as R3000A */
#define PRID_IMP_R4000 0x0400
#define PRID_IMP_R6000A 0x0600
#define PRID_IMP_R10000 0x0900
#define PRID_IMP_R4300 0x0b00
#define PRID_IMP_VR41XX 0x0c00
#define PRID_IMP_R12000 0x0e00
#define PRID_IMP_R14000 0x0f00
#define PRID_IMP_R8000 0x1000
#define PRID_IMP_PR4450 0x1200
#define PRID_IMP_R4600 0x2000
#define PRID_IMP_R4700 0x2100
#define PRID_IMP_TX39 0x2200
#define PRID_IMP_R4640 0x2200
#define PRID_IMP_R4650 0x2200 /* Same as R4640 */
#define PRID_IMP_R5000 0x2300
#define PRID_IMP_TX49 0x2d00
#define PRID_IMP_SONIC 0x2400
#define PRID_IMP_MAGIC 0x2500
#define PRID_IMP_RM7000 0x2700
#define PRID_IMP_NEVADA 0x2800 /* RM5260 ??? */
#define PRID_IMP_RM9000 0x3400
#define PRID_IMP_R5432 0x5400
#define PRID_IMP_R5500 0x5500
#define PRID_IMP_UNKNOWN 0xff00
/*
* These are the PRID's for when 23:16 == PRID_COMP_MIPS
*/
#define PRID_IMP_4KC 0x8000
#define PRID_IMP_5KC 0x8100
#define PRID_IMP_20KC 0x8200
#define PRID_IMP_4KEC 0x8400
#define PRID_IMP_4KSC 0x8600
#define PRID_IMP_25KF 0x8800
#define PRID_IMP_5KE 0x8900
#define PRID_IMP_4KECR2 0x9000
#define PRID_IMP_4KEMPR2 0x9100
#define PRID_IMP_4KSD 0x9200
#define PRID_IMP_24K 0x9300
#define PRID_IMP_34K 0x9500
#define PRID_IMP_24KE 0x9600
#define PRID_IMP_74K 0x9700
#define PRID_IMP_LOONGSON1 0x4200
#define PRID_IMP_LOONGSON2 0x6300
/*
* These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
*/
#define PRID_IMP_SB1 0x0100
#define PRID_IMP_SB1A 0x1100
/*
* These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
*/
#define PRID_IMP_SR71000 0x0400
/*
* Definitions for 7:0 on legacy processors
*/
#define PRID_REV_MASK 0x00ff
#define PRID_REV_TX4927 0x0022
#define PRID_REV_TX4937 0x0030
#define PRID_REV_R4400 0x0040
#define PRID_REV_R3000A 0x0030
#define PRID_REV_R3000 0x0020
#define PRID_REV_R2000A 0x0010
#define PRID_REV_TX3912 0x0010
#define PRID_REV_TX3922 0x0030
#define PRID_REV_TX3927 0x0040
#define PRID_REV_VR4111 0x0050
#define PRID_REV_VR4181 0x0050 /* Same as VR4111 */
#define PRID_REV_VR4121 0x0060
#define PRID_REV_VR4122 0x0070
#define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */
#define PRID_REV_VR4130 0x0080
#define PRID_REV_34K_V1_0_2 0x0022
/*
* Older processors used to encode processor version and revision in two
* 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
* have switched to use the 8-bits as 3:3:2 bitfield with the last field as
* the patch number. *ARGH*
*/
#define PRID_REV_ENCODE_44(ver, rev) \
((ver) << 4 | (rev))
#define PRID_REV_ENCODE_332(ver, rev, patch) \
((ver) << 5 | (rev) << 2 | (patch))
/*
* FPU implementation/revision register (CP1 control register 0).
*
* +---------------------------------+----------------+----------------+
* | 0 | Implementation | Revision |
* +---------------------------------+----------------+----------------+
* 31 16 15 8 7 0
*/
#define FPIR_IMP_NONE 0x0000
#define CPU_UNKNOWN 0
#define CPU_R2000 1
#define CPU_R3000 2
#define CPU_R3000A 3
#define CPU_R3041 4
#define CPU_R3051 5
#define CPU_R3052 6
#define CPU_R3081 7
#define CPU_R3081E 8
#define CPU_R4000PC 9
#define CPU_R4000SC 10
#define CPU_R4000MC 11
#define CPU_R4200 12
#define CPU_R4400PC 13
#define CPU_R4400SC 14
#define CPU_R4400MC 15
#define CPU_R4600 16
#define CPU_R6000 17
#define CPU_R6000A 18
#define CPU_R8000 19
#define CPU_R10000 20
#define CPU_R12000 21
#define CPU_R4300 22
#define CPU_R4650 23
#define CPU_R4700 24
#define CPU_R5000 25
#define CPU_R5000A 26
#define CPU_R4640 27
#define CPU_NEVADA 28
#define CPU_RM7000 29
#define CPU_R5432 30
#define CPU_4KC 31
#define CPU_5KC 32
#define CPU_R4310 33
#define CPU_SB1 34
#define CPU_TX3912 35
#define CPU_TX3922 36
#define CPU_TX3927 37
#define CPU_AU1000 38
#define CPU_4KEC 39
#define CPU_4KSC 40
#define CPU_VR41XX 41
#define CPU_R5500 42
#define CPU_TX49XX 43
#define CPU_AU1500 44
#define CPU_20KC 45
#define CPU_VR4111 46
#define CPU_VR4121 47
#define CPU_VR4122 48
#define CPU_VR4131 49
#define CPU_VR4181 50
#define CPU_VR4181A 51
#define CPU_AU1100 52
#define CPU_SR71000 53
#define CPU_RM9000 54
#define CPU_25KF 55
#define CPU_VR4133 56
#define CPU_AU1550 57
#define CPU_24K 58
#define CPU_AU1200 59
#define CPU_34K 60
#define CPU_PR4450 61
#define CPU_SB1A 62
#define CPU_74K 63
#define CPU_R14000 64
#define CPU_LOONGSON1 65
#define CPU_LOONGSON2 66
#define CPU_LAST 66
/*
* ISA Level encodings
*
*/
#define MIPS_CPU_ISA_I 0x00000001
#define MIPS_CPU_ISA_II 0x00000002
#define MIPS_CPU_ISA_III 0x00000004
#define MIPS_CPU_ISA_IV 0x00000008
#define MIPS_CPU_ISA_V 0x00000010
#define MIPS_CPU_ISA_M32R1 0x00000020
#define MIPS_CPU_ISA_M32R2 0x00000040
#define MIPS_CPU_ISA_M64R1 0x00000080
#define MIPS_CPU_ISA_M64R2 0x00000100
#define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_I | MIPS_CPU_ISA_II | \
MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 )
#define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \
MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)
/*
* CPU Option encodings
*/
#define MIPS_CPU_TLB 0x00000001 /* CPU has TLB */
#define MIPS_CPU_4KEX 0x00000002 /* "R4K" exception model */
#define MIPS_CPU_3K_CACHE 0x00000004 /* R3000-style caches */
#define MIPS_CPU_4K_CACHE 0x00000008 /* R4000-style caches */
#define MIPS_CPU_TX39_CACHE 0x00000010 /* TX3900-style caches */
#define MIPS_CPU_SB1_CACHE 0x00000020 /* SB1-style caches */
#define MIPS_CPU_FPU 0x00000040 /* CPU has FPU */
#define MIPS_CPU_32FPR 0x00000080 /* 32 dbl. prec. FP registers */
#define MIPS_CPU_COUNTER 0x00000100 /* Cycle count/compare */
#define MIPS_CPU_WATCH 0x00000200 /* watchpoint registers */
#define MIPS_CPU_DIVEC 0x00000400 /* dedicated interrupt vector */
#define MIPS_CPU_VCE 0x00000800 /* virt. coherence conflict possible */
#define MIPS_CPU_CACHE_CDEX_P 0x00001000 /* Create_Dirty_Exclusive CACHE op */
#define MIPS_CPU_CACHE_CDEX_S 0x00002000 /* ... same for seconary cache ... */
#define MIPS_CPU_MCHECK 0x00004000 /* Machine check exception */
#define MIPS_CPU_EJTAG 0x00008000 /* EJTAG exception */
#define MIPS_CPU_NOFPUEX 0x00010000 /* no FPU exception */
#define MIPS_CPU_LLSC 0x00020000 /* CPU has ll/sc instructions */
#define MIPS_CPU_INCLUSIVE_CACHES 0x00040000 /* P-cache subset enforced */
#define MIPS_CPU_PREFETCH 0x00080000 /* CPU has usable prefetch */
#define MIPS_CPU_VINT 0x00100000 /* CPU supports MIPSR2 vectored interrupts */
#define MIPS_CPU_VEIC 0x00200000 /* CPU supports MIPSR2 external interrupt controller mode */
#define MIPS_CPU_ULRI 0x00400000 /* CPU has ULRI feature */
/*
* CPU ASE encodings
*/
#define MIPS_ASE_MIPS16 0x00000001 /* code compression */
#define MIPS_ASE_MDMX 0x00000002 /* MIPS digital media extension */
#define MIPS_ASE_MIPS3D 0x00000004 /* MIPS-3D */
#define MIPS_ASE_SMARTMIPS 0x00000008 /* SmartMIPS */
#define MIPS_ASE_DSP 0x00000010 /* Signal Processing ASE */
#define MIPS_ASE_MIPSMT 0x00000020 /* CPU supports MIPS MT */
#endif /* _ASM_CPU_H */