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
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
|
/*
* MT regs definitions, follows on from mipsregs.h
* Copyright (C) 2004 - 2005 MIPS Technologies, Inc. All rights reserved.
* Elizabeth Clarke et. al.
*
*/
#ifndef _ASM_MIPSMTREGS_H
#define _ASM_MIPSMTREGS_H
#include <asm/mipsregs.h>
#include <asm/war.h>
#ifndef __ASSEMBLY__
/*
* C macros
*/
#define read_c0_mvpcontrol() __read_32bit_c0_register($0, 1)
#define write_c0_mvpcontrol(val) __write_32bit_c0_register($0, 1, val)
#define read_c0_mvpconf0() __read_32bit_c0_register($0, 2)
#define read_c0_mvpconf1() __read_32bit_c0_register($0, 3)
#define read_c0_vpecontrol() __read_32bit_c0_register($1, 1)
#define write_c0_vpecontrol(val) __write_32bit_c0_register($1, 1, val)
#define read_c0_vpeconf0() __read_32bit_c0_register($1, 2)
#define write_c0_vpeconf0(val) __write_32bit_c0_register($1, 2, val)
#define read_c0_tcstatus() __read_32bit_c0_register($2, 1)
#define write_c0_tcstatus(val) __write_32bit_c0_register($2, 1, val)
#define read_c0_tcbind() __read_32bit_c0_register($2, 2)
#define read_c0_tccontext() __read_32bit_c0_register($2, 5)
#define write_c0_tccontext(val) __write_32bit_c0_register($2, 5, val)
#else /* Assembly */
/*
* Macros for use in assembly language code
*/
#define CP0_MVPCONTROL $0,1
#define CP0_MVPCONF0 $0,2
#define CP0_MVPCONF1 $0,3
#define CP0_VPECONTROL $1,1
#define CP0_VPECONF0 $1,2
#define CP0_VPECONF1 $1,3
#define CP0_YQMASK $1,4
#define CP0_VPESCHEDULE $1,5
#define CP0_VPESCHEFBK $1,6
#define CP0_TCSTATUS $2,1
#define CP0_TCBIND $2,2
#define CP0_TCRESTART $2,3
#define CP0_TCHALT $2,4
#define CP0_TCCONTEXT $2,5
#define CP0_TCSCHEDULE $2,6
#define CP0_TCSCHEFBK $2,7
#define CP0_SRSCONF0 $6,1
#define CP0_SRSCONF1 $6,2
#define CP0_SRSCONF2 $6,3
#define CP0_SRSCONF3 $6,4
#define CP0_SRSCONF4 $6,5
#endif
/* MVPControl fields */
#define MVPCONTROL_EVP (_ULCAST_(1))
#define MVPCONTROL_VPC_SHIFT 1
#define MVPCONTROL_VPC (_ULCAST_(1) << MVPCONTROL_VPC_SHIFT)
#define MVPCONTROL_STLB_SHIFT 2
#define MVPCONTROL_STLB (_ULCAST_(1) << MVPCONTROL_STLB_SHIFT)
/* MVPConf0 fields */
#define MVPCONF0_PTC_SHIFT 0
#define MVPCONF0_PTC ( _ULCAST_(0xff))
#define MVPCONF0_PVPE_SHIFT 10
#define MVPCONF0_PVPE ( _ULCAST_(0xf) << MVPCONF0_PVPE_SHIFT)
#define MVPCONF0_TCA_SHIFT 15
#define MVPCONF0_TCA ( _ULCAST_(1) << MVPCONF0_TCA_SHIFT)
#define MVPCONF0_PTLBE_SHIFT 16
#define MVPCONF0_PTLBE (_ULCAST_(0x3ff) << MVPCONF0_PTLBE_SHIFT)
#define MVPCONF0_TLBS_SHIFT 29
#define MVPCONF0_TLBS (_ULCAST_(1) << MVPCONF0_TLBS_SHIFT)
#define MVPCONF0_M_SHIFT 31
#define MVPCONF0_M (_ULCAST_(0x1) << MVPCONF0_M_SHIFT)
/* config3 fields */
#define CONFIG3_MT_SHIFT 2
#define CONFIG3_MT (_ULCAST_(1) << CONFIG3_MT_SHIFT)
/* VPEControl fields (per VPE) */
#define VPECONTROL_TARGTC (_ULCAST_(0xff))
#define VPECONTROL_TE_SHIFT 15
#define VPECONTROL_TE (_ULCAST_(1) << VPECONTROL_TE_SHIFT)
#define VPECONTROL_EXCPT_SHIFT 16
#define VPECONTROL_EXCPT (_ULCAST_(0x7) << VPECONTROL_EXCPT_SHIFT)
/* Thread Exception Codes for EXCPT field */
#define THREX_TU 0
#define THREX_TO 1
#define THREX_IYQ 2
#define THREX_GSX 3
#define THREX_YSCH 4
#define THREX_GSSCH 5
#define VPECONTROL_GSI_SHIFT 20
#define VPECONTROL_GSI (_ULCAST_(1) << VPECONTROL_GSI_SHIFT)
#define VPECONTROL_YSI_SHIFT 21
#define VPECONTROL_YSI (_ULCAST_(1) << VPECONTROL_YSI_SHIFT)
/* VPEConf0 fields (per VPE) */
#define VPECONF0_VPA_SHIFT 0
#define VPECONF0_VPA (_ULCAST_(1) << VPECONF0_VPA_SHIFT)
#define VPECONF0_MVP_SHIFT 1
#define VPECONF0_MVP (_ULCAST_(1) << VPECONF0_MVP_SHIFT)
#define VPECONF0_XTC_SHIFT 21
#define VPECONF0_XTC (_ULCAST_(0xff) << VPECONF0_XTC_SHIFT)
/* TCStatus fields (per TC) */
#define TCSTATUS_TASID (_ULCAST_(0xff))
#define TCSTATUS_IXMT_SHIFT 10
#define TCSTATUS_IXMT (_ULCAST_(1) << TCSTATUS_IXMT_SHIFT)
#define TCSTATUS_TKSU_SHIFT 11
#define TCSTATUS_TKSU (_ULCAST_(3) << TCSTATUS_TKSU_SHIFT)
#define TCSTATUS_A_SHIFT 13
#define TCSTATUS_A (_ULCAST_(1) << TCSTATUS_A_SHIFT)
#define TCSTATUS_DA_SHIFT 15
#define TCSTATUS_DA (_ULCAST_(1) << TCSTATUS_DA_SHIFT)
#define TCSTATUS_DT_SHIFT 20
#define TCSTATUS_DT (_ULCAST_(1) << TCSTATUS_DT_SHIFT)
#define TCSTATUS_TDS_SHIFT 21
#define TCSTATUS_TDS (_ULCAST_(1) << TCSTATUS_TDS_SHIFT)
#define TCSTATUS_TSST_SHIFT 22
#define TCSTATUS_TSST (_ULCAST_(1) << TCSTATUS_TSST_SHIFT)
#define TCSTATUS_RNST_SHIFT 23
#define TCSTATUS_RNST (_ULCAST_(3) << TCSTATUS_RNST_SHIFT)
/* Codes for RNST */
#define TC_RUNNING 0
#define TC_WAITING 1
#define TC_YIELDING 2
#define TC_GATED 3
#define TCSTATUS_TMX_SHIFT 27
#define TCSTATUS_TMX (_ULCAST_(1) << TCSTATUS_TMX_SHIFT)
/* TCStatus TCU bits can use same definitions/offsets as CU bits in Status */
/* TCBind */
#define TCBIND_CURVPE_SHIFT 0
#define TCBIND_CURVPE (_ULCAST_(0xf))
#define TCBIND_CURTC_SHIFT 21
#define TCBIND_CURTC (_ULCAST_(0xff) << TCBIND_CURTC_SHIFT)
/* TCHalt */
#define TCHALT_H (_ULCAST_(1))
#ifndef __ASSEMBLY__
extern void mips_mt_regdump(unsigned long previous_mvpcontrol_value);
static inline unsigned int dvpe(void)
{
int res = 0;
__asm__ __volatile__(
" .set push \n"
" .set noreorder \n"
" .set noat \n"
" .set mips32r2 \n"
" .word 0x41610001 # dvpe $1 \n"
" move %0, $1 \n"
" ehb \n"
" .set pop \n"
: "=r" (res));
instruction_hazard();
return res;
}
static inline void __raw_evpe(void)
{
__asm__ __volatile__(
" .set push \n"
" .set noreorder \n"
" .set noat \n"
" .set mips32r2 \n"
" .word 0x41600021 # evpe \n"
" ehb \n"
" .set pop \n");
}
/* Enable multiMT if previous suggested it should be.
EMT_ENABLE to force */
#define EVPE_ENABLE MVPCONTROL_EVP
static inline void evpe(int previous)
{
if ((previous & MVPCONTROL_EVP))
__raw_evpe();
}
static inline unsigned int dmt(void)
{
int res;
__asm__ __volatile__(
" .set push \n"
" .set mips32r2 \n"
" .set noat \n"
" .word 0x41610BC1 # dmt $1 \n"
" ehb \n"
" move %0, $1 \n"
" .set pop \n"
: "=r" (res));
instruction_hazard();
return res;
}
static inline void __raw_emt(void)
{
__asm__ __volatile__(
" .set noreorder \n"
" .set mips32r2 \n"
" .word 0x41600be1 # emt \n"
" ehb \n"
" .set mips0 \n"
" .set reorder");
}
/* enable multiVPE if previous suggested it should be.
EVPE_ENABLE to force */
#define EMT_ENABLE VPECONTROL_TE
static inline void emt(int previous)
{
if ((previous & EMT_ENABLE))
__raw_emt();
}
static inline void ehb(void)
{
__asm__ __volatile__(
" .set mips32r2 \n"
" ehb \n"
" .set mips0 \n");
}
#define mftc0(rt,sel) \
({ \
unsigned long __res; \
\
__asm__ __volatile__( \
" .set push \n" \
" .set mips32r2 \n" \
" .set noat \n" \
" # mftc0 $1, $" #rt ", " #sel " \n" \
" .word 0x41000800 | (" #rt " << 16) | " #sel " \n" \
" move %0, $1 \n" \
" .set pop \n" \
: "=r" (__res)); \
\
__res; \
})
#define mftgpr(rt) \
({ \
unsigned long __res; \
\
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
" .set mips32r2 \n" \
" # mftgpr $1," #rt " \n" \
" .word 0x41000820 | (" #rt " << 16) \n" \
" move %0, $1 \n" \
" .set pop \n" \
: "=r" (__res)); \
\
__res; \
})
#define mftr(rt,u,sel) \
({ \
unsigned long __res; \
\
__asm__ __volatile__( \
" mftr %0, " #rt ", " #u ", " #sel " \n" \
: "=r" (__res)); \
\
__res; \
})
#define mttgpr(rd,v) \
do { \
__asm__ __volatile__( \
" .set push \n" \
" .set mips32r2 \n" \
" .set noat \n" \
" move $1, %0 \n" \
" # mttgpr $1, " #rd " \n" \
" .word 0x41810020 | (" #rd " << 11) \n" \
" .set pop \n" \
: : "r" (v)); \
} while (0)
#define mttc0(rd,sel,v) \
({ \
__asm__ __volatile__( \
" .set push \n" \
" .set mips32r2 \n" \
" .set noat \n" \
" move $1, %0 \n" \
" # mttc0 %0," #rd ", " #sel " \n" \
" .word 0x41810000 | (" #rd " << 11) | " #sel " \n" \
" .set pop \n" \
: \
: "r" (v)); \
})
#define mttr(rd,u,sel,v) \
({ \
__asm__ __volatile__( \
"mttr %0," #rd ", " #u ", " #sel \
: : "r" (v)); \
})
#define settc(tc) \
do { \
write_c0_vpecontrol((read_c0_vpecontrol()&~VPECONTROL_TARGTC) | (tc)); \
ehb(); \
} while (0)
/* you *must* set the target tc (settc) before trying to use these */
#define read_vpe_c0_vpecontrol() mftc0(1, 1)
#define write_vpe_c0_vpecontrol(val) mttc0(1, 1, val)
#define read_vpe_c0_vpeconf0() mftc0(1, 2)
#define write_vpe_c0_vpeconf0(val) mttc0(1, 2, val)
#define read_vpe_c0_status() mftc0(12, 0)
#define write_vpe_c0_status(val) mttc0(12, 0, val)
#define read_vpe_c0_cause() mftc0(13, 0)
#define write_vpe_c0_cause(val) mttc0(13, 0, val)
#define read_vpe_c0_config() mftc0(16, 0)
#define write_vpe_c0_config(val) mttc0(16, 0, val)
#define read_vpe_c0_config1() mftc0(16, 1)
#define write_vpe_c0_config1(val) mttc0(16, 1, val)
#define read_vpe_c0_config7() mftc0(16, 7)
#define write_vpe_c0_config7(val) mttc0(16, 7, val)
#define read_vpe_c0_ebase() mftc0(15,1)
#define write_vpe_c0_ebase(val) mttc0(15, 1, val)
#define write_vpe_c0_compare(val) mttc0(11, 0, val)
#define read_vpe_c0_badvaddr() mftc0(8, 0)
#define read_vpe_c0_epc() mftc0(14, 0)
#define write_vpe_c0_epc(val) mttc0(14, 0, val)
/* TC */
#define read_tc_c0_tcstatus() mftc0(2, 1)
#define write_tc_c0_tcstatus(val) mttc0(2,1,val)
#define read_tc_c0_tcbind() mftc0(2, 2)
#define write_tc_c0_tcbind(val) mttc0(2,2,val)
#define read_tc_c0_tcrestart() mftc0(2, 3)
#define write_tc_c0_tcrestart(val) mttc0(2,3,val)
#define read_tc_c0_tchalt() mftc0(2, 4)
#define write_tc_c0_tchalt(val) mttc0(2,4,val)
#define read_tc_c0_tccontext() mftc0(2, 5)
#define write_tc_c0_tccontext(val) mttc0(2,5,val)
/* GPR */
#define read_tc_gpr_sp() mftgpr(29)
#define write_tc_gpr_sp(val) mttgpr(29, val)
#define read_tc_gpr_gp() mftgpr(28)
#define write_tc_gpr_gp(val) mttgpr(28, val)
__BUILD_SET_C0(mvpcontrol)
#endif /* Not __ASSEMBLY__ */
#endif
|
