Commit | Line | Data |
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699dbc90 RB |
1 | /* |
2 | * MT regs definitions, follows on from mipsregs.h | |
3 | * Copyright (C) 2004 - 2005 MIPS Technologies, Inc. All rights reserved. | |
4 | * Elizabeth Clarke et. al. | |
5 | * | |
6 | */ | |
7 | #ifndef _ASM_MIPSMTREGS_H | |
8 | #define _ASM_MIPSMTREGS_H | |
9 | ||
340ee4b9 | 10 | #include <asm/mipsregs.h> |
699dbc90 RB |
11 | #include <asm/war.h> |
12 | ||
13 | #ifndef __ASSEMBLY__ | |
14 | ||
15 | /* | |
16 | * C macros | |
17 | */ | |
18 | ||
19 | #define read_c0_mvpcontrol() __read_32bit_c0_register($0, 1) | |
20 | #define write_c0_mvpcontrol(val) __write_32bit_c0_register($0, 1, val) | |
21 | ||
22 | #define read_c0_mvpconf0() __read_32bit_c0_register($0, 2) | |
23 | #define read_c0_mvpconf1() __read_32bit_c0_register($0, 3) | |
24 | ||
25 | #define read_c0_vpecontrol() __read_32bit_c0_register($1, 1) | |
26 | #define write_c0_vpecontrol(val) __write_32bit_c0_register($1, 1, val) | |
27 | ||
28 | #define read_c0_vpeconf0() __read_32bit_c0_register($1, 2) | |
29 | #define write_c0_vpeconf0(val) __write_32bit_c0_register($1, 2, val) | |
30 | ||
889a4c7b SH |
31 | #define read_c0_vpeconf1() __read_32bit_c0_register($1, 3) |
32 | #define write_c0_vpeconf1(val) __write_32bit_c0_register($1, 3, val) | |
33 | ||
699dbc90 RB |
34 | #define read_c0_tcstatus() __read_32bit_c0_register($2, 1) |
35 | #define write_c0_tcstatus(val) __write_32bit_c0_register($2, 1, val) | |
36 | ||
37 | #define read_c0_tcbind() __read_32bit_c0_register($2, 2) | |
38 | ||
39 | #define read_c0_tccontext() __read_32bit_c0_register($2, 5) | |
40 | #define write_c0_tccontext(val) __write_32bit_c0_register($2, 5, val) | |
41 | ||
42 | #else /* Assembly */ | |
43 | /* | |
44 | * Macros for use in assembly language code | |
45 | */ | |
46 | ||
21a151d8 RB |
47 | #define CP0_MVPCONTROL $0, 1 |
48 | #define CP0_MVPCONF0 $0, 2 | |
49 | #define CP0_MVPCONF1 $0, 3 | |
50 | #define CP0_VPECONTROL $1, 1 | |
51 | #define CP0_VPECONF0 $1, 2 | |
52 | #define CP0_VPECONF1 $1, 3 | |
53 | #define CP0_YQMASK $1, 4 | |
839efb4f | 54 | #define CP0_VPESCHEDULE $1, 5 |
21a151d8 RB |
55 | #define CP0_VPESCHEFBK $1, 6 |
56 | #define CP0_TCSTATUS $2, 1 | |
57 | #define CP0_TCBIND $2, 2 | |
58 | #define CP0_TCRESTART $2, 3 | |
59 | #define CP0_TCHALT $2, 4 | |
60 | #define CP0_TCCONTEXT $2, 5 | |
61 | #define CP0_TCSCHEDULE $2, 6 | |
62 | #define CP0_TCSCHEFBK $2, 7 | |
63 | #define CP0_SRSCONF0 $6, 1 | |
64 | #define CP0_SRSCONF1 $6, 2 | |
65 | #define CP0_SRSCONF2 $6, 3 | |
66 | #define CP0_SRSCONF3 $6, 4 | |
67 | #define CP0_SRSCONF4 $6, 5 | |
699dbc90 RB |
68 | |
69 | #endif | |
70 | ||
71 | /* MVPControl fields */ | |
72 | #define MVPCONTROL_EVP (_ULCAST_(1)) | |
73 | ||
74 | #define MVPCONTROL_VPC_SHIFT 1 | |
75 | #define MVPCONTROL_VPC (_ULCAST_(1) << MVPCONTROL_VPC_SHIFT) | |
76 | ||
77 | #define MVPCONTROL_STLB_SHIFT 2 | |
78 | #define MVPCONTROL_STLB (_ULCAST_(1) << MVPCONTROL_STLB_SHIFT) | |
79 | ||
80 | ||
81 | /* MVPConf0 fields */ | |
82 | #define MVPCONF0_PTC_SHIFT 0 | |
83 | #define MVPCONF0_PTC ( _ULCAST_(0xff)) | |
84 | #define MVPCONF0_PVPE_SHIFT 10 | |
85 | #define MVPCONF0_PVPE ( _ULCAST_(0xf) << MVPCONF0_PVPE_SHIFT) | |
86 | #define MVPCONF0_TCA_SHIFT 15 | |
87 | #define MVPCONF0_TCA ( _ULCAST_(1) << MVPCONF0_TCA_SHIFT) | |
88 | #define MVPCONF0_PTLBE_SHIFT 16 | |
89 | #define MVPCONF0_PTLBE (_ULCAST_(0x3ff) << MVPCONF0_PTLBE_SHIFT) | |
90 | #define MVPCONF0_TLBS_SHIFT 29 | |
91 | #define MVPCONF0_TLBS (_ULCAST_(1) << MVPCONF0_TLBS_SHIFT) | |
92 | #define MVPCONF0_M_SHIFT 31 | |
93 | #define MVPCONF0_M (_ULCAST_(0x1) << MVPCONF0_M_SHIFT) | |
94 | ||
95 | ||
96 | /* config3 fields */ | |
97 | #define CONFIG3_MT_SHIFT 2 | |
98 | #define CONFIG3_MT (_ULCAST_(1) << CONFIG3_MT_SHIFT) | |
99 | ||
100 | ||
101 | /* VPEControl fields (per VPE) */ | |
102 | #define VPECONTROL_TARGTC (_ULCAST_(0xff)) | |
103 | ||
104 | #define VPECONTROL_TE_SHIFT 15 | |
105 | #define VPECONTROL_TE (_ULCAST_(1) << VPECONTROL_TE_SHIFT) | |
106 | #define VPECONTROL_EXCPT_SHIFT 16 | |
107 | #define VPECONTROL_EXCPT (_ULCAST_(0x7) << VPECONTROL_EXCPT_SHIFT) | |
108 | ||
109 | /* Thread Exception Codes for EXCPT field */ | |
110 | #define THREX_TU 0 | |
111 | #define THREX_TO 1 | |
112 | #define THREX_IYQ 2 | |
113 | #define THREX_GSX 3 | |
114 | #define THREX_YSCH 4 | |
115 | #define THREX_GSSCH 5 | |
116 | ||
117 | #define VPECONTROL_GSI_SHIFT 20 | |
118 | #define VPECONTROL_GSI (_ULCAST_(1) << VPECONTROL_GSI_SHIFT) | |
119 | #define VPECONTROL_YSI_SHIFT 21 | |
120 | #define VPECONTROL_YSI (_ULCAST_(1) << VPECONTROL_YSI_SHIFT) | |
121 | ||
122 | /* VPEConf0 fields (per VPE) */ | |
123 | #define VPECONF0_VPA_SHIFT 0 | |
124 | #define VPECONF0_VPA (_ULCAST_(1) << VPECONF0_VPA_SHIFT) | |
125 | #define VPECONF0_MVP_SHIFT 1 | |
126 | #define VPECONF0_MVP (_ULCAST_(1) << VPECONF0_MVP_SHIFT) | |
127 | #define VPECONF0_XTC_SHIFT 21 | |
128 | #define VPECONF0_XTC (_ULCAST_(0xff) << VPECONF0_XTC_SHIFT) | |
129 | ||
889a4c7b SH |
130 | /* VPEConf1 fields (per VPE) */ |
131 | #define VPECONF1_NCP1_SHIFT 0 | |
132 | #define VPECONF1_NCP1 (_ULCAST_(0xff) << VPECONF1_NCP1_SHIFT) | |
133 | #define VPECONF1_NCP2_SHIFT 10 | |
134 | #define VPECONF1_NCP2 (_ULCAST_(0xff) << VPECONF1_NCP2_SHIFT) | |
135 | #define VPECONF1_NCX_SHIFT 20 | |
136 | #define VPECONF1_NCX (_ULCAST_(0xff) << VPECONF1_NCX_SHIFT) | |
137 | ||
699dbc90 RB |
138 | /* TCStatus fields (per TC) */ |
139 | #define TCSTATUS_TASID (_ULCAST_(0xff)) | |
140 | #define TCSTATUS_IXMT_SHIFT 10 | |
141 | #define TCSTATUS_IXMT (_ULCAST_(1) << TCSTATUS_IXMT_SHIFT) | |
142 | #define TCSTATUS_TKSU_SHIFT 11 | |
143 | #define TCSTATUS_TKSU (_ULCAST_(3) << TCSTATUS_TKSU_SHIFT) | |
144 | #define TCSTATUS_A_SHIFT 13 | |
145 | #define TCSTATUS_A (_ULCAST_(1) << TCSTATUS_A_SHIFT) | |
146 | #define TCSTATUS_DA_SHIFT 15 | |
147 | #define TCSTATUS_DA (_ULCAST_(1) << TCSTATUS_DA_SHIFT) | |
148 | #define TCSTATUS_DT_SHIFT 20 | |
149 | #define TCSTATUS_DT (_ULCAST_(1) << TCSTATUS_DT_SHIFT) | |
150 | #define TCSTATUS_TDS_SHIFT 21 | |
151 | #define TCSTATUS_TDS (_ULCAST_(1) << TCSTATUS_TDS_SHIFT) | |
152 | #define TCSTATUS_TSST_SHIFT 22 | |
153 | #define TCSTATUS_TSST (_ULCAST_(1) << TCSTATUS_TSST_SHIFT) | |
154 | #define TCSTATUS_RNST_SHIFT 23 | |
155 | #define TCSTATUS_RNST (_ULCAST_(3) << TCSTATUS_RNST_SHIFT) | |
156 | /* Codes for RNST */ | |
157 | #define TC_RUNNING 0 | |
158 | #define TC_WAITING 1 | |
159 | #define TC_YIELDING 2 | |
160 | #define TC_GATED 3 | |
161 | ||
162 | #define TCSTATUS_TMX_SHIFT 27 | |
163 | #define TCSTATUS_TMX (_ULCAST_(1) << TCSTATUS_TMX_SHIFT) | |
164 | /* TCStatus TCU bits can use same definitions/offsets as CU bits in Status */ | |
165 | ||
166 | /* TCBind */ | |
167 | #define TCBIND_CURVPE_SHIFT 0 | |
168 | #define TCBIND_CURVPE (_ULCAST_(0xf)) | |
169 | ||
170 | #define TCBIND_CURTC_SHIFT 21 | |
171 | ||
172 | #define TCBIND_CURTC (_ULCAST_(0xff) << TCBIND_CURTC_SHIFT) | |
173 | ||
174 | /* TCHalt */ | |
175 | #define TCHALT_H (_ULCAST_(1)) | |
176 | ||
177 | #ifndef __ASSEMBLY__ | |
178 | ||
968a0734 PB |
179 | static inline unsigned core_nvpes(void) |
180 | { | |
181 | unsigned conf0; | |
182 | ||
183 | if (!cpu_has_mipsmt) | |
184 | return 1; | |
185 | ||
186 | conf0 = read_c0_mvpconf0(); | |
187 | return ((conf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1; | |
188 | } | |
189 | ||
699dbc90 RB |
190 | static inline unsigned int dvpe(void) |
191 | { | |
192 | int res = 0; | |
193 | ||
194 | __asm__ __volatile__( | |
195 | " .set push \n" | |
196 | " .set noreorder \n" | |
197 | " .set noat \n" | |
198 | " .set mips32r2 \n" | |
699dbc90 | 199 | " .word 0x41610001 # dvpe $1 \n" |
8f40611d | 200 | " move %0, $1 \n" |
699dbc90 RB |
201 | " ehb \n" |
202 | " .set pop \n" | |
203 | : "=r" (res)); | |
204 | ||
205 | instruction_hazard(); | |
206 | ||
207 | return res; | |
208 | } | |
209 | ||
210 | static inline void __raw_evpe(void) | |
211 | { | |
212 | __asm__ __volatile__( | |
213 | " .set push \n" | |
214 | " .set noreorder \n" | |
215 | " .set noat \n" | |
216 | " .set mips32r2 \n" | |
217 | " .word 0x41600021 # evpe \n" | |
218 | " ehb \n" | |
219 | " .set pop \n"); | |
220 | } | |
221 | ||
39b8d525 RB |
222 | /* Enable virtual processor execution if previous suggested it should be. |
223 | EVPE_ENABLE to force */ | |
699dbc90 RB |
224 | |
225 | #define EVPE_ENABLE MVPCONTROL_EVP | |
226 | ||
227 | static inline void evpe(int previous) | |
228 | { | |
229 | if ((previous & MVPCONTROL_EVP)) | |
230 | __raw_evpe(); | |
231 | } | |
232 | ||
233 | static inline unsigned int dmt(void) | |
234 | { | |
235 | int res; | |
236 | ||
237 | __asm__ __volatile__( | |
8f40611d | 238 | " .set push \n" |
699dbc90 | 239 | " .set mips32r2 \n" |
8f40611d RB |
240 | " .set noat \n" |
241 | " .word 0x41610BC1 # dmt $1 \n" | |
699dbc90 | 242 | " ehb \n" |
8f40611d RB |
243 | " move %0, $1 \n" |
244 | " .set pop \n" | |
699dbc90 RB |
245 | : "=r" (res)); |
246 | ||
247 | instruction_hazard(); | |
248 | ||
249 | return res; | |
250 | } | |
251 | ||
252 | static inline void __raw_emt(void) | |
253 | { | |
254 | __asm__ __volatile__( | |
255 | " .set noreorder \n" | |
256 | " .set mips32r2 \n" | |
2600990e | 257 | " .word 0x41600be1 # emt \n" |
699dbc90 RB |
258 | " ehb \n" |
259 | " .set mips0 \n" | |
260 | " .set reorder"); | |
261 | } | |
262 | ||
39b8d525 RB |
263 | /* enable multi-threaded execution if previous suggested it should be. |
264 | EMT_ENABLE to force */ | |
699dbc90 RB |
265 | |
266 | #define EMT_ENABLE VPECONTROL_TE | |
267 | ||
268 | static inline void emt(int previous) | |
269 | { | |
270 | if ((previous & EMT_ENABLE)) | |
271 | __raw_emt(); | |
272 | } | |
273 | ||
274 | static inline void ehb(void) | |
275 | { | |
8f40611d RB |
276 | __asm__ __volatile__( |
277 | " .set mips32r2 \n" | |
278 | " ehb \n" | |
279 | " .set mips0 \n"); | |
699dbc90 RB |
280 | } |
281 | ||
282 | #define mftc0(rt,sel) \ | |
283 | ({ \ | |
70342287 | 284 | unsigned long __res; \ |
699dbc90 RB |
285 | \ |
286 | __asm__ __volatile__( \ | |
8f40611d RB |
287 | " .set push \n" \ |
288 | " .set mips32r2 \n" \ | |
289 | " .set noat \n" \ | |
70342287 RB |
290 | " # mftc0 $1, $" #rt ", " #sel " \n" \ |
291 | " .word 0x41000800 | (" #rt " << 16) | " #sel " \n" \ | |
8f40611d RB |
292 | " move %0, $1 \n" \ |
293 | " .set pop \n" \ | |
294 | : "=r" (__res)); \ | |
699dbc90 RB |
295 | \ |
296 | __res; \ | |
297 | }) | |
298 | ||
299 | #define mftgpr(rt) \ | |
300 | ({ \ | |
301 | unsigned long __res; \ | |
302 | \ | |
303 | __asm__ __volatile__( \ | |
8f40611d | 304 | " .set push \n" \ |
41c594ab | 305 | " .set noat \n" \ |
8f40611d | 306 | " .set mips32r2 \n" \ |
41c594ab RB |
307 | " # mftgpr $1," #rt " \n" \ |
308 | " .word 0x41000820 | (" #rt " << 16) \n" \ | |
309 | " move %0, $1 \n" \ | |
8f40611d | 310 | " .set pop \n" \ |
699dbc90 RB |
311 | : "=r" (__res)); \ |
312 | \ | |
313 | __res; \ | |
314 | }) | |
315 | ||
21a151d8 | 316 | #define mftr(rt, u, sel) \ |
699dbc90 RB |
317 | ({ \ |
318 | unsigned long __res; \ | |
319 | \ | |
320 | __asm__ __volatile__( \ | |
41c594ab | 321 | " mftr %0, " #rt ", " #u ", " #sel " \n" \ |
699dbc90 RB |
322 | : "=r" (__res)); \ |
323 | \ | |
324 | __res; \ | |
325 | }) | |
326 | ||
327 | #define mttgpr(rd,v) \ | |
8f40611d | 328 | do { \ |
699dbc90 | 329 | __asm__ __volatile__( \ |
8f40611d RB |
330 | " .set push \n" \ |
331 | " .set mips32r2 \n" \ | |
332 | " .set noat \n" \ | |
333 | " move $1, %0 \n" \ | |
334 | " # mttgpr $1, " #rd " \n" \ | |
335 | " .word 0x41810020 | (" #rd " << 11) \n" \ | |
336 | " .set pop \n" \ | |
699dbc90 | 337 | : : "r" (v)); \ |
8f40611d | 338 | } while (0) |
699dbc90 | 339 | |
21a151d8 | 340 | #define mttc0(rd, sel, v) \ |
699dbc90 RB |
341 | ({ \ |
342 | __asm__ __volatile__( \ | |
8f40611d RB |
343 | " .set push \n" \ |
344 | " .set mips32r2 \n" \ | |
345 | " .set noat \n" \ | |
346 | " move $1, %0 \n" \ | |
347 | " # mttc0 %0," #rd ", " #sel " \n" \ | |
70342287 | 348 | " .word 0x41810000 | (" #rd " << 11) | " #sel " \n" \ |
8f40611d RB |
349 | " .set pop \n" \ |
350 | : \ | |
351 | : "r" (v)); \ | |
699dbc90 RB |
352 | }) |
353 | ||
354 | ||
21a151d8 | 355 | #define mttr(rd, u, sel, v) \ |
699dbc90 RB |
356 | ({ \ |
357 | __asm__ __volatile__( \ | |
358 | "mttr %0," #rd ", " #u ", " #sel \ | |
359 | : : "r" (v)); \ | |
360 | }) | |
361 | ||
362 | ||
363 | #define settc(tc) \ | |
364 | do { \ | |
365 | write_c0_vpecontrol((read_c0_vpecontrol()&~VPECONTROL_TARGTC) | (tc)); \ | |
366 | ehb(); \ | |
367 | } while (0) | |
368 | ||
369 | ||
370 | /* you *must* set the target tc (settc) before trying to use these */ | |
8f40611d RB |
371 | #define read_vpe_c0_vpecontrol() mftc0(1, 1) |
372 | #define write_vpe_c0_vpecontrol(val) mttc0(1, 1, val) | |
373 | #define read_vpe_c0_vpeconf0() mftc0(1, 2) | |
374 | #define write_vpe_c0_vpeconf0(val) mttc0(1, 2, val) | |
889a4c7b SH |
375 | #define read_vpe_c0_vpeconf1() mftc0(1, 3) |
376 | #define write_vpe_c0_vpeconf1(val) mttc0(1, 3, val) | |
70e46f48 RB |
377 | #define read_vpe_c0_count() mftc0(9, 0) |
378 | #define write_vpe_c0_count(val) mttc0(9, 0, val) | |
8f40611d RB |
379 | #define read_vpe_c0_status() mftc0(12, 0) |
380 | #define write_vpe_c0_status(val) mttc0(12, 0, val) | |
381 | #define read_vpe_c0_cause() mftc0(13, 0) | |
382 | #define write_vpe_c0_cause(val) mttc0(13, 0, val) | |
383 | #define read_vpe_c0_config() mftc0(16, 0) | |
384 | #define write_vpe_c0_config(val) mttc0(16, 0, val) | |
385 | #define read_vpe_c0_config1() mftc0(16, 1) | |
386 | #define write_vpe_c0_config1(val) mttc0(16, 1, val) | |
387 | #define read_vpe_c0_config7() mftc0(16, 7) | |
388 | #define write_vpe_c0_config7(val) mttc0(16, 7, val) | |
21a151d8 | 389 | #define read_vpe_c0_ebase() mftc0(15, 1) |
8f40611d RB |
390 | #define write_vpe_c0_ebase(val) mttc0(15, 1, val) |
391 | #define write_vpe_c0_compare(val) mttc0(11, 0, val) | |
2600990e RB |
392 | #define read_vpe_c0_badvaddr() mftc0(8, 0) |
393 | #define read_vpe_c0_epc() mftc0(14, 0) | |
394 | #define write_vpe_c0_epc(val) mttc0(14, 0, val) | |
699dbc90 RB |
395 | |
396 | ||
397 | /* TC */ | |
8f40611d | 398 | #define read_tc_c0_tcstatus() mftc0(2, 1) |
21a151d8 | 399 | #define write_tc_c0_tcstatus(val) mttc0(2, 1, val) |
8f40611d | 400 | #define read_tc_c0_tcbind() mftc0(2, 2) |
21a151d8 | 401 | #define write_tc_c0_tcbind(val) mttc0(2, 2, val) |
8f40611d | 402 | #define read_tc_c0_tcrestart() mftc0(2, 3) |
21a151d8 | 403 | #define write_tc_c0_tcrestart(val) mttc0(2, 3, val) |
8f40611d | 404 | #define read_tc_c0_tchalt() mftc0(2, 4) |
21a151d8 | 405 | #define write_tc_c0_tchalt(val) mttc0(2, 4, val) |
8f40611d | 406 | #define read_tc_c0_tccontext() mftc0(2, 5) |
21a151d8 | 407 | #define write_tc_c0_tccontext(val) mttc0(2, 5, val) |
699dbc90 RB |
408 | |
409 | /* GPR */ | |
8f40611d RB |
410 | #define read_tc_gpr_sp() mftgpr(29) |
411 | #define write_tc_gpr_sp(val) mttgpr(29, val) | |
412 | #define read_tc_gpr_gp() mftgpr(28) | |
413 | #define write_tc_gpr_gp(val) mttgpr(28, val) | |
699dbc90 | 414 | |
340ee4b9 | 415 | __BUILD_SET_C0(mvpcontrol) |
699dbc90 RB |
416 | |
417 | #endif /* Not __ASSEMBLY__ */ | |
418 | ||
419 | #endif |