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1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
7 * Copyright (C) 2000 Silicon Graphics, Inc.
8 * Modified for further R[236]000 support by Paul M. Antoine, 1996.
9 * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
10 * Copyright (C) 2000, 07 MIPS Technologies, Inc.
11 * Copyright (C) 2003, 2004 Maciej W. Rozycki
12 */
13 #ifndef _ASM_MIPSREGS_H
14 #define _ASM_MIPSREGS_H
15
16 #include <linux/linkage.h>
17 #include <linux/types.h>
18 #include <asm/hazards.h>
19 #include <asm/war.h>
20
21 /*
22 * The following macros are especially useful for __asm__
23 * inline assembler.
24 */
25 #ifndef __STR
26 #define __STR(x) #x
27 #endif
28 #ifndef STR
29 #define STR(x) __STR(x)
30 #endif
31
32 /*
33 * Configure language
34 */
35 #ifdef __ASSEMBLY__
36 #define _ULCAST_
37 #else
38 #define _ULCAST_ (unsigned long)
39 #endif
40
41 /*
42 * Coprocessor 0 register names
43 */
44 #define CP0_INDEX $0
45 #define CP0_RANDOM $1
46 #define CP0_ENTRYLO0 $2
47 #define CP0_ENTRYLO1 $3
48 #define CP0_CONF $3
49 #define CP0_CONTEXT $4
50 #define CP0_PAGEMASK $5
51 #define CP0_SEGCTL0 $5, 2
52 #define CP0_SEGCTL1 $5, 3
53 #define CP0_SEGCTL2 $5, 4
54 #define CP0_WIRED $6
55 #define CP0_INFO $7
56 #define CP0_HWRENA $7, 0
57 #define CP0_BADVADDR $8
58 #define CP0_BADINSTR $8, 1
59 #define CP0_COUNT $9
60 #define CP0_ENTRYHI $10
61 #define CP0_GUESTCTL1 $10, 4
62 #define CP0_GUESTCTL2 $10, 5
63 #define CP0_GUESTCTL3 $10, 6
64 #define CP0_COMPARE $11
65 #define CP0_GUESTCTL0EXT $11, 4
66 #define CP0_STATUS $12
67 #define CP0_GUESTCTL0 $12, 6
68 #define CP0_GTOFFSET $12, 7
69 #define CP0_CAUSE $13
70 #define CP0_EPC $14
71 #define CP0_PRID $15
72 #define CP0_EBASE $15, 1
73 #define CP0_CMGCRBASE $15, 3
74 #define CP0_CONFIG $16
75 #define CP0_CONFIG3 $16, 3
76 #define CP0_CONFIG5 $16, 5
77 #define CP0_LLADDR $17
78 #define CP0_WATCHLO $18
79 #define CP0_WATCHHI $19
80 #define CP0_XCONTEXT $20
81 #define CP0_FRAMEMASK $21
82 #define CP0_DIAGNOSTIC $22
83 #define CP0_DEBUG $23
84 #define CP0_DEPC $24
85 #define CP0_PERFORMANCE $25
86 #define CP0_ECC $26
87 #define CP0_CACHEERR $27
88 #define CP0_TAGLO $28
89 #define CP0_TAGHI $29
90 #define CP0_ERROREPC $30
91 #define CP0_DESAVE $31
92
93 /*
94 * R4640/R4650 cp0 register names. These registers are listed
95 * here only for completeness; without MMU these CPUs are not useable
96 * by Linux. A future ELKS port might take make Linux run on them
97 * though ...
98 */
99 #define CP0_IBASE $0
100 #define CP0_IBOUND $1
101 #define CP0_DBASE $2
102 #define CP0_DBOUND $3
103 #define CP0_CALG $17
104 #define CP0_IWATCH $18
105 #define CP0_DWATCH $19
106
107 /*
108 * Coprocessor 0 Set 1 register names
109 */
110 #define CP0_S1_DERRADDR0 $26
111 #define CP0_S1_DERRADDR1 $27
112 #define CP0_S1_INTCONTROL $20
113
114 /*
115 * Coprocessor 0 Set 2 register names
116 */
117 #define CP0_S2_SRSCTL $12 /* MIPSR2 */
118
119 /*
120 * Coprocessor 0 Set 3 register names
121 */
122 #define CP0_S3_SRSMAP $12 /* MIPSR2 */
123
124 /*
125 * TX39 Series
126 */
127 #define CP0_TX39_CACHE $7
128
129
130 /* Generic EntryLo bit definitions */
131 #define ENTRYLO_G (_ULCAST_(1) << 0)
132 #define ENTRYLO_V (_ULCAST_(1) << 1)
133 #define ENTRYLO_D (_ULCAST_(1) << 2)
134 #define ENTRYLO_C_SHIFT 3
135 #define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT)
136
137 /* R3000 EntryLo bit definitions */
138 #define R3K_ENTRYLO_G (_ULCAST_(1) << 8)
139 #define R3K_ENTRYLO_V (_ULCAST_(1) << 9)
140 #define R3K_ENTRYLO_D (_ULCAST_(1) << 10)
141 #define R3K_ENTRYLO_N (_ULCAST_(1) << 11)
142
143 /* MIPS32/64 EntryLo bit definitions */
144 #define MIPS_ENTRYLO_PFN_SHIFT 6
145 #define MIPS_ENTRYLO_XI (_ULCAST_(1) << (BITS_PER_LONG - 2))
146 #define MIPS_ENTRYLO_RI (_ULCAST_(1) << (BITS_PER_LONG - 1))
147
148 /*
149 * Values for PageMask register
150 */
151 #ifdef CONFIG_CPU_VR41XX
152
153 /* Why doesn't stupidity hurt ... */
154
155 #define PM_1K 0x00000000
156 #define PM_4K 0x00001800
157 #define PM_16K 0x00007800
158 #define PM_64K 0x0001f800
159 #define PM_256K 0x0007f800
160
161 #else
162
163 #define PM_4K 0x00000000
164 #define PM_8K 0x00002000
165 #define PM_16K 0x00006000
166 #define PM_32K 0x0000e000
167 #define PM_64K 0x0001e000
168 #define PM_128K 0x0003e000
169 #define PM_256K 0x0007e000
170 #define PM_512K 0x000fe000
171 #define PM_1M 0x001fe000
172 #define PM_2M 0x003fe000
173 #define PM_4M 0x007fe000
174 #define PM_8M 0x00ffe000
175 #define PM_16M 0x01ffe000
176 #define PM_32M 0x03ffe000
177 #define PM_64M 0x07ffe000
178 #define PM_256M 0x1fffe000
179 #define PM_1G 0x7fffe000
180
181 #endif
182
183 /*
184 * Default page size for a given kernel configuration
185 */
186 #ifdef CONFIG_PAGE_SIZE_4KB
187 #define PM_DEFAULT_MASK PM_4K
188 #elif defined(CONFIG_PAGE_SIZE_8KB)
189 #define PM_DEFAULT_MASK PM_8K
190 #elif defined(CONFIG_PAGE_SIZE_16KB)
191 #define PM_DEFAULT_MASK PM_16K
192 #elif defined(CONFIG_PAGE_SIZE_32KB)
193 #define PM_DEFAULT_MASK PM_32K
194 #elif defined(CONFIG_PAGE_SIZE_64KB)
195 #define PM_DEFAULT_MASK PM_64K
196 #else
197 #error Bad page size configuration!
198 #endif
199
200 /*
201 * Default huge tlb size for a given kernel configuration
202 */
203 #ifdef CONFIG_PAGE_SIZE_4KB
204 #define PM_HUGE_MASK PM_1M
205 #elif defined(CONFIG_PAGE_SIZE_8KB)
206 #define PM_HUGE_MASK PM_4M
207 #elif defined(CONFIG_PAGE_SIZE_16KB)
208 #define PM_HUGE_MASK PM_16M
209 #elif defined(CONFIG_PAGE_SIZE_32KB)
210 #define PM_HUGE_MASK PM_64M
211 #elif defined(CONFIG_PAGE_SIZE_64KB)
212 #define PM_HUGE_MASK PM_256M
213 #elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
214 #error Bad page size configuration for hugetlbfs!
215 #endif
216
217 /*
218 * Values used for computation of new tlb entries
219 */
220 #define PL_4K 12
221 #define PL_16K 14
222 #define PL_64K 16
223 #define PL_256K 18
224 #define PL_1M 20
225 #define PL_4M 22
226 #define PL_16M 24
227 #define PL_64M 26
228 #define PL_256M 28
229
230 /*
231 * PageGrain bits
232 */
233 #define PG_RIE (_ULCAST_(1) << 31)
234 #define PG_XIE (_ULCAST_(1) << 30)
235 #define PG_ELPA (_ULCAST_(1) << 29)
236 #define PG_ESP (_ULCAST_(1) << 28)
237 #define PG_IEC (_ULCAST_(1) << 27)
238
239 /* MIPS32/64 EntryHI bit definitions */
240 #define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
241 #define MIPS_ENTRYHI_ASIDX (_ULCAST_(0x3) << 8)
242 #define MIPS_ENTRYHI_ASID (_ULCAST_(0xff) << 0)
243
244 /*
245 * R4x00 interrupt enable / cause bits
246 */
247 #define IE_SW0 (_ULCAST_(1) << 8)
248 #define IE_SW1 (_ULCAST_(1) << 9)
249 #define IE_IRQ0 (_ULCAST_(1) << 10)
250 #define IE_IRQ1 (_ULCAST_(1) << 11)
251 #define IE_IRQ2 (_ULCAST_(1) << 12)
252 #define IE_IRQ3 (_ULCAST_(1) << 13)
253 #define IE_IRQ4 (_ULCAST_(1) << 14)
254 #define IE_IRQ5 (_ULCAST_(1) << 15)
255
256 /*
257 * R4x00 interrupt cause bits
258 */
259 #define C_SW0 (_ULCAST_(1) << 8)
260 #define C_SW1 (_ULCAST_(1) << 9)
261 #define C_IRQ0 (_ULCAST_(1) << 10)
262 #define C_IRQ1 (_ULCAST_(1) << 11)
263 #define C_IRQ2 (_ULCAST_(1) << 12)
264 #define C_IRQ3 (_ULCAST_(1) << 13)
265 #define C_IRQ4 (_ULCAST_(1) << 14)
266 #define C_IRQ5 (_ULCAST_(1) << 15)
267
268 /*
269 * Bitfields in the R4xx0 cp0 status register
270 */
271 #define ST0_IE 0x00000001
272 #define ST0_EXL 0x00000002
273 #define ST0_ERL 0x00000004
274 #define ST0_KSU 0x00000018
275 # define KSU_USER 0x00000010
276 # define KSU_SUPERVISOR 0x00000008
277 # define KSU_KERNEL 0x00000000
278 #define ST0_UX 0x00000020
279 #define ST0_SX 0x00000040
280 #define ST0_KX 0x00000080
281 #define ST0_DE 0x00010000
282 #define ST0_CE 0x00020000
283
284 /*
285 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
286 * cacheops in userspace. This bit exists only on RM7000 and RM9000
287 * processors.
288 */
289 #define ST0_CO 0x08000000
290
291 /*
292 * Bitfields in the R[23]000 cp0 status register.
293 */
294 #define ST0_IEC 0x00000001
295 #define ST0_KUC 0x00000002
296 #define ST0_IEP 0x00000004
297 #define ST0_KUP 0x00000008
298 #define ST0_IEO 0x00000010
299 #define ST0_KUO 0x00000020
300 /* bits 6 & 7 are reserved on R[23]000 */
301 #define ST0_ISC 0x00010000
302 #define ST0_SWC 0x00020000
303 #define ST0_CM 0x00080000
304
305 /*
306 * Bits specific to the R4640/R4650
307 */
308 #define ST0_UM (_ULCAST_(1) << 4)
309 #define ST0_IL (_ULCAST_(1) << 23)
310 #define ST0_DL (_ULCAST_(1) << 24)
311
312 /*
313 * Enable the MIPS MDMX and DSP ASEs
314 */
315 #define ST0_MX 0x01000000
316
317 /*
318 * Status register bits available in all MIPS CPUs.
319 */
320 #define ST0_IM 0x0000ff00
321 #define STATUSB_IP0 8
322 #define STATUSF_IP0 (_ULCAST_(1) << 8)
323 #define STATUSB_IP1 9
324 #define STATUSF_IP1 (_ULCAST_(1) << 9)
325 #define STATUSB_IP2 10
326 #define STATUSF_IP2 (_ULCAST_(1) << 10)
327 #define STATUSB_IP3 11
328 #define STATUSF_IP3 (_ULCAST_(1) << 11)
329 #define STATUSB_IP4 12
330 #define STATUSF_IP4 (_ULCAST_(1) << 12)
331 #define STATUSB_IP5 13
332 #define STATUSF_IP5 (_ULCAST_(1) << 13)
333 #define STATUSB_IP6 14
334 #define STATUSF_IP6 (_ULCAST_(1) << 14)
335 #define STATUSB_IP7 15
336 #define STATUSF_IP7 (_ULCAST_(1) << 15)
337 #define STATUSB_IP8 0
338 #define STATUSF_IP8 (_ULCAST_(1) << 0)
339 #define STATUSB_IP9 1
340 #define STATUSF_IP9 (_ULCAST_(1) << 1)
341 #define STATUSB_IP10 2
342 #define STATUSF_IP10 (_ULCAST_(1) << 2)
343 #define STATUSB_IP11 3
344 #define STATUSF_IP11 (_ULCAST_(1) << 3)
345 #define STATUSB_IP12 4
346 #define STATUSF_IP12 (_ULCAST_(1) << 4)
347 #define STATUSB_IP13 5
348 #define STATUSF_IP13 (_ULCAST_(1) << 5)
349 #define STATUSB_IP14 6
350 #define STATUSF_IP14 (_ULCAST_(1) << 6)
351 #define STATUSB_IP15 7
352 #define STATUSF_IP15 (_ULCAST_(1) << 7)
353 #define ST0_CH 0x00040000
354 #define ST0_NMI 0x00080000
355 #define ST0_SR 0x00100000
356 #define ST0_TS 0x00200000
357 #define ST0_BEV 0x00400000
358 #define ST0_RE 0x02000000
359 #define ST0_FR 0x04000000
360 #define ST0_CU 0xf0000000
361 #define ST0_CU0 0x10000000
362 #define ST0_CU1 0x20000000
363 #define ST0_CU2 0x40000000
364 #define ST0_CU3 0x80000000
365 #define ST0_XX 0x80000000 /* MIPS IV naming */
366
367 /*
368 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
369 */
370 #define INTCTLB_IPFDC 23
371 #define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
372 #define INTCTLB_IPPCI 26
373 #define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
374 #define INTCTLB_IPTI 29
375 #define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
376
377 /*
378 * Bitfields and bit numbers in the coprocessor 0 cause register.
379 *
380 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
381 */
382 #define CAUSEB_EXCCODE 2
383 #define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
384 #define CAUSEB_IP 8
385 #define CAUSEF_IP (_ULCAST_(255) << 8)
386 #define CAUSEB_IP0 8
387 #define CAUSEF_IP0 (_ULCAST_(1) << 8)
388 #define CAUSEB_IP1 9
389 #define CAUSEF_IP1 (_ULCAST_(1) << 9)
390 #define CAUSEB_IP2 10
391 #define CAUSEF_IP2 (_ULCAST_(1) << 10)
392 #define CAUSEB_IP3 11
393 #define CAUSEF_IP3 (_ULCAST_(1) << 11)
394 #define CAUSEB_IP4 12
395 #define CAUSEF_IP4 (_ULCAST_(1) << 12)
396 #define CAUSEB_IP5 13
397 #define CAUSEF_IP5 (_ULCAST_(1) << 13)
398 #define CAUSEB_IP6 14
399 #define CAUSEF_IP6 (_ULCAST_(1) << 14)
400 #define CAUSEB_IP7 15
401 #define CAUSEF_IP7 (_ULCAST_(1) << 15)
402 #define CAUSEB_FDCI 21
403 #define CAUSEF_FDCI (_ULCAST_(1) << 21)
404 #define CAUSEB_WP 22
405 #define CAUSEF_WP (_ULCAST_(1) << 22)
406 #define CAUSEB_IV 23
407 #define CAUSEF_IV (_ULCAST_(1) << 23)
408 #define CAUSEB_PCI 26
409 #define CAUSEF_PCI (_ULCAST_(1) << 26)
410 #define CAUSEB_DC 27
411 #define CAUSEF_DC (_ULCAST_(1) << 27)
412 #define CAUSEB_CE 28
413 #define CAUSEF_CE (_ULCAST_(3) << 28)
414 #define CAUSEB_TI 30
415 #define CAUSEF_TI (_ULCAST_(1) << 30)
416 #define CAUSEB_BD 31
417 #define CAUSEF_BD (_ULCAST_(1) << 31)
418
419 /*
420 * Cause.ExcCode trap codes.
421 */
422 #define EXCCODE_INT 0 /* Interrupt pending */
423 #define EXCCODE_MOD 1 /* TLB modified fault */
424 #define EXCCODE_TLBL 2 /* TLB miss on load or ifetch */
425 #define EXCCODE_TLBS 3 /* TLB miss on a store */
426 #define EXCCODE_ADEL 4 /* Address error on a load or ifetch */
427 #define EXCCODE_ADES 5 /* Address error on a store */
428 #define EXCCODE_IBE 6 /* Bus error on an ifetch */
429 #define EXCCODE_DBE 7 /* Bus error on a load or store */
430 #define EXCCODE_SYS 8 /* System call */
431 #define EXCCODE_BP 9 /* Breakpoint */
432 #define EXCCODE_RI 10 /* Reserved instruction exception */
433 #define EXCCODE_CPU 11 /* Coprocessor unusable */
434 #define EXCCODE_OV 12 /* Arithmetic overflow */
435 #define EXCCODE_TR 13 /* Trap instruction */
436 #define EXCCODE_MSAFPE 14 /* MSA floating point exception */
437 #define EXCCODE_FPE 15 /* Floating point exception */
438 #define EXCCODE_TLBRI 19 /* TLB Read-Inhibit exception */
439 #define EXCCODE_TLBXI 20 /* TLB Execution-Inhibit exception */
440 #define EXCCODE_MSADIS 21 /* MSA disabled exception */
441 #define EXCCODE_MDMX 22 /* MDMX unusable exception */
442 #define EXCCODE_WATCH 23 /* Watch address reference */
443 #define EXCCODE_MCHECK 24 /* Machine check */
444 #define EXCCODE_THREAD 25 /* Thread exceptions (MT) */
445 #define EXCCODE_DSPDIS 26 /* DSP disabled exception */
446 #define EXCCODE_GE 27 /* Virtualized guest exception (VZ) */
447
448 /* Implementation specific trap codes used by MIPS cores */
449 #define MIPS_EXCCODE_TLBPAR 16 /* TLB parity error exception */
450
451 /*
452 * Bits in the coprocessor 0 config register.
453 */
454 /* Generic bits. */
455 #define CONF_CM_CACHABLE_NO_WA 0
456 #define CONF_CM_CACHABLE_WA 1
457 #define CONF_CM_UNCACHED 2
458 #define CONF_CM_CACHABLE_NONCOHERENT 3
459 #define CONF_CM_CACHABLE_CE 4
460 #define CONF_CM_CACHABLE_COW 5
461 #define CONF_CM_CACHABLE_CUW 6
462 #define CONF_CM_CACHABLE_ACCELERATED 7
463 #define CONF_CM_CMASK 7
464 #define CONF_BE (_ULCAST_(1) << 15)
465
466 /* Bits common to various processors. */
467 #define CONF_CU (_ULCAST_(1) << 3)
468 #define CONF_DB (_ULCAST_(1) << 4)
469 #define CONF_IB (_ULCAST_(1) << 5)
470 #define CONF_DC (_ULCAST_(7) << 6)
471 #define CONF_IC (_ULCAST_(7) << 9)
472 #define CONF_EB (_ULCAST_(1) << 13)
473 #define CONF_EM (_ULCAST_(1) << 14)
474 #define CONF_SM (_ULCAST_(1) << 16)
475 #define CONF_SC (_ULCAST_(1) << 17)
476 #define CONF_EW (_ULCAST_(3) << 18)
477 #define CONF_EP (_ULCAST_(15)<< 24)
478 #define CONF_EC (_ULCAST_(7) << 28)
479 #define CONF_CM (_ULCAST_(1) << 31)
480
481 /* Bits specific to the R4xx0. */
482 #define R4K_CONF_SW (_ULCAST_(1) << 20)
483 #define R4K_CONF_SS (_ULCAST_(1) << 21)
484 #define R4K_CONF_SB (_ULCAST_(3) << 22)
485
486 /* Bits specific to the R5000. */
487 #define R5K_CONF_SE (_ULCAST_(1) << 12)
488 #define R5K_CONF_SS (_ULCAST_(3) << 20)
489
490 /* Bits specific to the RM7000. */
491 #define RM7K_CONF_SE (_ULCAST_(1) << 3)
492 #define RM7K_CONF_TE (_ULCAST_(1) << 12)
493 #define RM7K_CONF_CLK (_ULCAST_(1) << 16)
494 #define RM7K_CONF_TC (_ULCAST_(1) << 17)
495 #define RM7K_CONF_SI (_ULCAST_(3) << 20)
496 #define RM7K_CONF_SC (_ULCAST_(1) << 31)
497
498 /* Bits specific to the R10000. */
499 #define R10K_CONF_DN (_ULCAST_(3) << 3)
500 #define R10K_CONF_CT (_ULCAST_(1) << 5)
501 #define R10K_CONF_PE (_ULCAST_(1) << 6)
502 #define R10K_CONF_PM (_ULCAST_(3) << 7)
503 #define R10K_CONF_EC (_ULCAST_(15)<< 9)
504 #define R10K_CONF_SB (_ULCAST_(1) << 13)
505 #define R10K_CONF_SK (_ULCAST_(1) << 14)
506 #define R10K_CONF_SS (_ULCAST_(7) << 16)
507 #define R10K_CONF_SC (_ULCAST_(7) << 19)
508 #define R10K_CONF_DC (_ULCAST_(7) << 26)
509 #define R10K_CONF_IC (_ULCAST_(7) << 29)
510
511 /* Bits specific to the VR41xx. */
512 #define VR41_CONF_CS (_ULCAST_(1) << 12)
513 #define VR41_CONF_P4K (_ULCAST_(1) << 13)
514 #define VR41_CONF_BP (_ULCAST_(1) << 16)
515 #define VR41_CONF_M16 (_ULCAST_(1) << 20)
516 #define VR41_CONF_AD (_ULCAST_(1) << 23)
517
518 /* Bits specific to the R30xx. */
519 #define R30XX_CONF_FDM (_ULCAST_(1) << 19)
520 #define R30XX_CONF_REV (_ULCAST_(1) << 22)
521 #define R30XX_CONF_AC (_ULCAST_(1) << 23)
522 #define R30XX_CONF_RF (_ULCAST_(1) << 24)
523 #define R30XX_CONF_HALT (_ULCAST_(1) << 25)
524 #define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
525 #define R30XX_CONF_DBR (_ULCAST_(1) << 29)
526 #define R30XX_CONF_SB (_ULCAST_(1) << 30)
527 #define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
528
529 /* Bits specific to the TX49. */
530 #define TX49_CONF_DC (_ULCAST_(1) << 16)
531 #define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
532 #define TX49_CONF_HALT (_ULCAST_(1) << 18)
533 #define TX49_CONF_CWFON (_ULCAST_(1) << 27)
534
535 /* Bits specific to the MIPS32/64 PRA. */
536 #define MIPS_CONF_MT (_ULCAST_(7) << 7)
537 #define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7)
538 #define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
539 #define MIPS_CONF_AR (_ULCAST_(7) << 10)
540 #define MIPS_CONF_AT (_ULCAST_(3) << 13)
541 #define MIPS_CONF_M (_ULCAST_(1) << 31)
542
543 /*
544 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
545 */
546 #define MIPS_CONF1_FP (_ULCAST_(1) << 0)
547 #define MIPS_CONF1_EP (_ULCAST_(1) << 1)
548 #define MIPS_CONF1_CA (_ULCAST_(1) << 2)
549 #define MIPS_CONF1_WR (_ULCAST_(1) << 3)
550 #define MIPS_CONF1_PC (_ULCAST_(1) << 4)
551 #define MIPS_CONF1_MD (_ULCAST_(1) << 5)
552 #define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
553 #define MIPS_CONF1_DA_SHF 7
554 #define MIPS_CONF1_DA_SZ 3
555 #define MIPS_CONF1_DA (_ULCAST_(7) << 7)
556 #define MIPS_CONF1_DL_SHF 10
557 #define MIPS_CONF1_DL_SZ 3
558 #define MIPS_CONF1_DL (_ULCAST_(7) << 10)
559 #define MIPS_CONF1_DS_SHF 13
560 #define MIPS_CONF1_DS_SZ 3
561 #define MIPS_CONF1_DS (_ULCAST_(7) << 13)
562 #define MIPS_CONF1_IA_SHF 16
563 #define MIPS_CONF1_IA_SZ 3
564 #define MIPS_CONF1_IA (_ULCAST_(7) << 16)
565 #define MIPS_CONF1_IL_SHF 19
566 #define MIPS_CONF1_IL_SZ 3
567 #define MIPS_CONF1_IL (_ULCAST_(7) << 19)
568 #define MIPS_CONF1_IS_SHF 22
569 #define MIPS_CONF1_IS_SZ 3
570 #define MIPS_CONF1_IS (_ULCAST_(7) << 22)
571 #define MIPS_CONF1_TLBS_SHIFT (25)
572 #define MIPS_CONF1_TLBS_SIZE (6)
573 #define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
574
575 #define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
576 #define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
577 #define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
578 #define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
579 #define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
580 #define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
581 #define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
582 #define MIPS_CONF2_TU (_ULCAST_(7) << 28)
583
584 #define MIPS_CONF3_TL (_ULCAST_(1) << 0)
585 #define MIPS_CONF3_SM (_ULCAST_(1) << 1)
586 #define MIPS_CONF3_MT (_ULCAST_(1) << 2)
587 #define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
588 #define MIPS_CONF3_SP (_ULCAST_(1) << 4)
589 #define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
590 #define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
591 #define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
592 #define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
593 #define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
594 #define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
595 #define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
596 #define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
597 #define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
598 #define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
599 #define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
600 #define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
601 #define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
602 #define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
603 #define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
604 #define MIPS_CONF3_PW (_ULCAST_(1) << 24)
605 #define MIPS_CONF3_SC (_ULCAST_(1) << 25)
606 #define MIPS_CONF3_BI (_ULCAST_(1) << 26)
607 #define MIPS_CONF3_BP (_ULCAST_(1) << 27)
608 #define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
609 #define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
610 #define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
611
612 #define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
613 #define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
614 #define MIPS_CONF4_FTLBSETS_SHIFT (0)
615 #define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
616 #define MIPS_CONF4_FTLBWAYS_SHIFT (4)
617 #define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
618 #define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
619 /* bits 10:8 in FTLB-only configurations */
620 #define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
621 /* bits 12:8 in VTLB-FTLB only configurations */
622 #define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
623 #define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
624 #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
625 #define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
626 #define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
627 #define MIPS_CONF4_KSCREXIST_SHIFT (16)
628 #define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT)
629 #define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
630 #define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
631 #define MIPS_CONF4_AE (_ULCAST_(1) << 28)
632 #define MIPS_CONF4_IE (_ULCAST_(3) << 29)
633 #define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
634
635 #define MIPS_CONF5_NF (_ULCAST_(1) << 0)
636 #define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
637 #define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
638 #define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
639 #define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
640 #define MIPS_CONF5_VP (_ULCAST_(1) << 7)
641 #define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
642 #define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
643 #define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
644 #define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
645 #define MIPS_CONF5_CV (_ULCAST_(1) << 29)
646 #define MIPS_CONF5_K (_ULCAST_(1) << 30)
647
648 #define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
649 /* proAptiv FTLB on/off bit */
650 #define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
651 /* Loongson-3 FTLB on/off bit */
652 #define MIPS_CONF6_FTLBDIS (_ULCAST_(1) << 22)
653 /* FTLB probability bits */
654 #define MIPS_CONF6_FTLBP_SHIFT (16)
655
656 #define MIPS_CONF7_WII (_ULCAST_(1) << 31)
657
658 #define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
659
660 #define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
661 #define MIPS_CONF7_AR (_ULCAST_(1) << 16)
662 /* FTLB probability bits for R6 */
663 #define MIPS_CONF7_FTLBP_SHIFT (18)
664
665 /* WatchLo* register definitions */
666 #define MIPS_WATCHLO_IRW (_ULCAST_(0x7) << 0)
667
668 /* WatchHi* register definitions */
669 #define MIPS_WATCHHI_M (_ULCAST_(1) << 31)
670 #define MIPS_WATCHHI_G (_ULCAST_(1) << 30)
671 #define MIPS_WATCHHI_WM (_ULCAST_(0x3) << 28)
672 #define MIPS_WATCHHI_WM_R_RVA (_ULCAST_(0) << 28)
673 #define MIPS_WATCHHI_WM_R_GPA (_ULCAST_(1) << 28)
674 #define MIPS_WATCHHI_WM_G_GVA (_ULCAST_(2) << 28)
675 #define MIPS_WATCHHI_EAS (_ULCAST_(0x3) << 24)
676 #define MIPS_WATCHHI_ASID (_ULCAST_(0xff) << 16)
677 #define MIPS_WATCHHI_MASK (_ULCAST_(0x1ff) << 3)
678 #define MIPS_WATCHHI_I (_ULCAST_(1) << 2)
679 #define MIPS_WATCHHI_R (_ULCAST_(1) << 1)
680 #define MIPS_WATCHHI_W (_ULCAST_(1) << 0)
681 #define MIPS_WATCHHI_IRW (_ULCAST_(0x7) << 0)
682
683 /* MAAR bit definitions */
684 #define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
685 #define MIPS_MAAR_ADDR_SHIFT 12
686 #define MIPS_MAAR_S (_ULCAST_(1) << 1)
687 #define MIPS_MAAR_V (_ULCAST_(1) << 0)
688
689 /* EBase bit definitions */
690 #define MIPS_EBASE_CPUNUM_SHIFT 0
691 #define MIPS_EBASE_CPUNUM (_ULCAST_(0x3ff) << 0)
692 #define MIPS_EBASE_WG_SHIFT 11
693 #define MIPS_EBASE_WG (_ULCAST_(1) << 11)
694 #define MIPS_EBASE_BASE_SHIFT 12
695 #define MIPS_EBASE_BASE (~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1))
696
697 /* CMGCRBase bit definitions */
698 #define MIPS_CMGCRB_BASE 11
699 #define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
700
701 /*
702 * Bits in the MIPS32 Memory Segmentation registers.
703 */
704 #define MIPS_SEGCFG_PA_SHIFT 9
705 #define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
706 #define MIPS_SEGCFG_AM_SHIFT 4
707 #define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
708 #define MIPS_SEGCFG_EU_SHIFT 3
709 #define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
710 #define MIPS_SEGCFG_C_SHIFT 0
711 #define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
712
713 #define MIPS_SEGCFG_UUSK _ULCAST_(7)
714 #define MIPS_SEGCFG_USK _ULCAST_(5)
715 #define MIPS_SEGCFG_MUSUK _ULCAST_(4)
716 #define MIPS_SEGCFG_MUSK _ULCAST_(3)
717 #define MIPS_SEGCFG_MSK _ULCAST_(2)
718 #define MIPS_SEGCFG_MK _ULCAST_(1)
719 #define MIPS_SEGCFG_UK _ULCAST_(0)
720
721 #define MIPS_PWFIELD_GDI_SHIFT 24
722 #define MIPS_PWFIELD_GDI_MASK 0x3f000000
723 #define MIPS_PWFIELD_UDI_SHIFT 18
724 #define MIPS_PWFIELD_UDI_MASK 0x00fc0000
725 #define MIPS_PWFIELD_MDI_SHIFT 12
726 #define MIPS_PWFIELD_MDI_MASK 0x0003f000
727 #define MIPS_PWFIELD_PTI_SHIFT 6
728 #define MIPS_PWFIELD_PTI_MASK 0x00000fc0
729 #define MIPS_PWFIELD_PTEI_SHIFT 0
730 #define MIPS_PWFIELD_PTEI_MASK 0x0000003f
731
732 #define MIPS_PWSIZE_GDW_SHIFT 24
733 #define MIPS_PWSIZE_GDW_MASK 0x3f000000
734 #define MIPS_PWSIZE_UDW_SHIFT 18
735 #define MIPS_PWSIZE_UDW_MASK 0x00fc0000
736 #define MIPS_PWSIZE_MDW_SHIFT 12
737 #define MIPS_PWSIZE_MDW_MASK 0x0003f000
738 #define MIPS_PWSIZE_PTW_SHIFT 6
739 #define MIPS_PWSIZE_PTW_MASK 0x00000fc0
740 #define MIPS_PWSIZE_PTEW_SHIFT 0
741 #define MIPS_PWSIZE_PTEW_MASK 0x0000003f
742
743 #define MIPS_PWCTL_PWEN_SHIFT 31
744 #define MIPS_PWCTL_PWEN_MASK 0x80000000
745 #define MIPS_PWCTL_DPH_SHIFT 7
746 #define MIPS_PWCTL_DPH_MASK 0x00000080
747 #define MIPS_PWCTL_HUGEPG_SHIFT 6
748 #define MIPS_PWCTL_HUGEPG_MASK 0x00000060
749 #define MIPS_PWCTL_PSN_SHIFT 0
750 #define MIPS_PWCTL_PSN_MASK 0x0000003f
751
752 /* GuestCtl0 fields */
753 #define MIPS_GCTL0_GM_SHIFT 31
754 #define MIPS_GCTL0_GM (_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT)
755 #define MIPS_GCTL0_RI_SHIFT 30
756 #define MIPS_GCTL0_RI (_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT)
757 #define MIPS_GCTL0_MC_SHIFT 29
758 #define MIPS_GCTL0_MC (_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT)
759 #define MIPS_GCTL0_CP0_SHIFT 28
760 #define MIPS_GCTL0_CP0 (_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT)
761 #define MIPS_GCTL0_AT_SHIFT 26
762 #define MIPS_GCTL0_AT (_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT)
763 #define MIPS_GCTL0_GT_SHIFT 25
764 #define MIPS_GCTL0_GT (_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT)
765 #define MIPS_GCTL0_CG_SHIFT 24
766 #define MIPS_GCTL0_CG (_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT)
767 #define MIPS_GCTL0_CF_SHIFT 23
768 #define MIPS_GCTL0_CF (_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT)
769 #define MIPS_GCTL0_G1_SHIFT 22
770 #define MIPS_GCTL0_G1 (_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT)
771 #define MIPS_GCTL0_G0E_SHIFT 19
772 #define MIPS_GCTL0_G0E (_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT)
773 #define MIPS_GCTL0_PT_SHIFT 18
774 #define MIPS_GCTL0_PT (_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT)
775 #define MIPS_GCTL0_RAD_SHIFT 9
776 #define MIPS_GCTL0_RAD (_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT)
777 #define MIPS_GCTL0_DRG_SHIFT 8
778 #define MIPS_GCTL0_DRG (_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT)
779 #define MIPS_GCTL0_G2_SHIFT 7
780 #define MIPS_GCTL0_G2 (_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT)
781 #define MIPS_GCTL0_GEXC_SHIFT 2
782 #define MIPS_GCTL0_GEXC (_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT)
783 #define MIPS_GCTL0_SFC2_SHIFT 1
784 #define MIPS_GCTL0_SFC2 (_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT)
785 #define MIPS_GCTL0_SFC1_SHIFT 0
786 #define MIPS_GCTL0_SFC1 (_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT)
787
788 /* GuestCtl0.AT Guest address translation control */
789 #define MIPS_GCTL0_AT_ROOT 1 /* Guest MMU under Root control */
790 #define MIPS_GCTL0_AT_GUEST 3 /* Guest MMU under Guest control */
791
792 /* GuestCtl0.GExcCode Hypervisor exception cause codes */
793 #define MIPS_GCTL0_GEXC_GPSI 0 /* Guest Privileged Sensitive Instruction */
794 #define MIPS_GCTL0_GEXC_GSFC 1 /* Guest Software Field Change */
795 #define MIPS_GCTL0_GEXC_HC 2 /* Hypercall */
796 #define MIPS_GCTL0_GEXC_GRR 3 /* Guest Reserved Instruction Redirect */
797 #define MIPS_GCTL0_GEXC_GVA 8 /* Guest Virtual Address available */
798 #define MIPS_GCTL0_GEXC_GHFC 9 /* Guest Hardware Field Change */
799 #define MIPS_GCTL0_GEXC_GPA 10 /* Guest Physical Address available */
800
801 /* GuestCtl0Ext fields */
802 #define MIPS_GCTL0EXT_RPW_SHIFT 8
803 #define MIPS_GCTL0EXT_RPW (_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT)
804 #define MIPS_GCTL0EXT_NCC_SHIFT 6
805 #define MIPS_GCTL0EXT_NCC (_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT)
806 #define MIPS_GCTL0EXT_CGI_SHIFT 4
807 #define MIPS_GCTL0EXT_CGI (_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT)
808 #define MIPS_GCTL0EXT_FCD_SHIFT 3
809 #define MIPS_GCTL0EXT_FCD (_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT)
810 #define MIPS_GCTL0EXT_OG_SHIFT 2
811 #define MIPS_GCTL0EXT_OG (_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT)
812 #define MIPS_GCTL0EXT_BG_SHIFT 1
813 #define MIPS_GCTL0EXT_BG (_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT)
814 #define MIPS_GCTL0EXT_MG_SHIFT 0
815 #define MIPS_GCTL0EXT_MG (_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT)
816
817 /* GuestCtl0Ext.RPW Root page walk configuration */
818 #define MIPS_GCTL0EXT_RPW_BOTH 0 /* Root PW for GPA->RPA and RVA->RPA */
819 #define MIPS_GCTL0EXT_RPW_GPA 2 /* Root PW for GPA->RPA */
820 #define MIPS_GCTL0EXT_RPW_RVA 3 /* Root PW for RVA->RPA */
821
822 /* GuestCtl0Ext.NCC Nested cache coherency attributes */
823 #define MIPS_GCTL0EXT_NCC_IND 0 /* Guest CCA independent of Root CCA */
824 #define MIPS_GCTL0EXT_NCC_MOD 1 /* Guest CCA modified by Root CCA */
825
826 /* GuestCtl1 fields */
827 #define MIPS_GCTL1_ID_SHIFT 0
828 #define MIPS_GCTL1_ID_WIDTH 8
829 #define MIPS_GCTL1_ID (_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT)
830 #define MIPS_GCTL1_RID_SHIFT 16
831 #define MIPS_GCTL1_RID_WIDTH 8
832 #define MIPS_GCTL1_RID (_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT)
833 #define MIPS_GCTL1_EID_SHIFT 24
834 #define MIPS_GCTL1_EID_WIDTH 8
835 #define MIPS_GCTL1_EID (_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT)
836
837 /* GuestID reserved for root context */
838 #define MIPS_GCTL1_ROOT_GUESTID 0
839
840 /* CDMMBase register bit definitions */
841 #define MIPS_CDMMBASE_SIZE_SHIFT 0
842 #define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
843 #define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
844 #define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
845 #define MIPS_CDMMBASE_ADDR_SHIFT 11
846 #define MIPS_CDMMBASE_ADDR_START 15
847
848 /*
849 * Bitfields in the TX39 family CP0 Configuration Register 3
850 */
851 #define TX39_CONF_ICS_SHIFT 19
852 #define TX39_CONF_ICS_MASK 0x00380000
853 #define TX39_CONF_ICS_1KB 0x00000000
854 #define TX39_CONF_ICS_2KB 0x00080000
855 #define TX39_CONF_ICS_4KB 0x00100000
856 #define TX39_CONF_ICS_8KB 0x00180000
857 #define TX39_CONF_ICS_16KB 0x00200000
858
859 #define TX39_CONF_DCS_SHIFT 16
860 #define TX39_CONF_DCS_MASK 0x00070000
861 #define TX39_CONF_DCS_1KB 0x00000000
862 #define TX39_CONF_DCS_2KB 0x00010000
863 #define TX39_CONF_DCS_4KB 0x00020000
864 #define TX39_CONF_DCS_8KB 0x00030000
865 #define TX39_CONF_DCS_16KB 0x00040000
866
867 #define TX39_CONF_CWFON 0x00004000
868 #define TX39_CONF_WBON 0x00002000
869 #define TX39_CONF_RF_SHIFT 10
870 #define TX39_CONF_RF_MASK 0x00000c00
871 #define TX39_CONF_DOZE 0x00000200
872 #define TX39_CONF_HALT 0x00000100
873 #define TX39_CONF_LOCK 0x00000080
874 #define TX39_CONF_ICE 0x00000020
875 #define TX39_CONF_DCE 0x00000010
876 #define TX39_CONF_IRSIZE_SHIFT 2
877 #define TX39_CONF_IRSIZE_MASK 0x0000000c
878 #define TX39_CONF_DRSIZE_SHIFT 0
879 #define TX39_CONF_DRSIZE_MASK 0x00000003
880
881 /*
882 * Interesting Bits in the R10K CP0 Branch Diagnostic Register
883 */
884 /* Disable Branch Target Address Cache */
885 #define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27)
886 /* Enable Branch Prediction Global History */
887 #define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26)
888 /* Disable Branch Return Cache */
889 #define R10K_DIAG_D_BRC (_ULCAST_(1) << 22)
890
891 /* Flush ITLB */
892 #define LOONGSON_DIAG_ITLB (_ULCAST_(1) << 2)
893 /* Flush DTLB */
894 #define LOONGSON_DIAG_DTLB (_ULCAST_(1) << 3)
895 /* Flush VTLB */
896 #define LOONGSON_DIAG_VTLB (_ULCAST_(1) << 12)
897 /* Flush FTLB */
898 #define LOONGSON_DIAG_FTLB (_ULCAST_(1) << 13)
899
900 /*
901 * Coprocessor 1 (FPU) register names
902 */
903 #define CP1_REVISION $0
904 #define CP1_UFR $1
905 #define CP1_UNFR $4
906 #define CP1_FCCR $25
907 #define CP1_FEXR $26
908 #define CP1_FENR $28
909 #define CP1_STATUS $31
910
911
912 /*
913 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
914 */
915 #define MIPS_FPIR_S (_ULCAST_(1) << 16)
916 #define MIPS_FPIR_D (_ULCAST_(1) << 17)
917 #define MIPS_FPIR_PS (_ULCAST_(1) << 18)
918 #define MIPS_FPIR_3D (_ULCAST_(1) << 19)
919 #define MIPS_FPIR_W (_ULCAST_(1) << 20)
920 #define MIPS_FPIR_L (_ULCAST_(1) << 21)
921 #define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
922 #define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
923 #define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
924 #define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
925
926 /*
927 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
928 */
929 #define MIPS_FCCR_CONDX_S 0
930 #define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
931 #define MIPS_FCCR_COND0_S 0
932 #define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
933 #define MIPS_FCCR_COND1_S 1
934 #define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
935 #define MIPS_FCCR_COND2_S 2
936 #define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
937 #define MIPS_FCCR_COND3_S 3
938 #define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
939 #define MIPS_FCCR_COND4_S 4
940 #define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
941 #define MIPS_FCCR_COND5_S 5
942 #define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
943 #define MIPS_FCCR_COND6_S 6
944 #define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
945 #define MIPS_FCCR_COND7_S 7
946 #define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
947
948 /*
949 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
950 */
951 #define MIPS_FENR_FS_S 2
952 #define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
953
954 /*
955 * FPU Status Register Values
956 */
957 #define FPU_CSR_COND_S 23 /* $fcc0 */
958 #define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
959
960 #define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
961 #define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
962
963 #define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
964 #define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
965 #define FPU_CSR_COND1_S 25 /* $fcc1 */
966 #define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
967 #define FPU_CSR_COND2_S 26 /* $fcc2 */
968 #define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
969 #define FPU_CSR_COND3_S 27 /* $fcc3 */
970 #define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
971 #define FPU_CSR_COND4_S 28 /* $fcc4 */
972 #define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
973 #define FPU_CSR_COND5_S 29 /* $fcc5 */
974 #define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
975 #define FPU_CSR_COND6_S 30 /* $fcc6 */
976 #define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
977 #define FPU_CSR_COND7_S 31 /* $fcc7 */
978 #define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
979
980 /*
981 * Bits 22:20 of the FPU Status Register will be read as 0,
982 * and should be written as zero.
983 */
984 #define FPU_CSR_RSVD (_ULCAST_(7) << 20)
985
986 #define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
987 #define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
988
989 /*
990 * X the exception cause indicator
991 * E the exception enable
992 * S the sticky/flag bit
993 */
994 #define FPU_CSR_ALL_X 0x0003f000
995 #define FPU_CSR_UNI_X 0x00020000
996 #define FPU_CSR_INV_X 0x00010000
997 #define FPU_CSR_DIV_X 0x00008000
998 #define FPU_CSR_OVF_X 0x00004000
999 #define FPU_CSR_UDF_X 0x00002000
1000 #define FPU_CSR_INE_X 0x00001000
1001
1002 #define FPU_CSR_ALL_E 0x00000f80
1003 #define FPU_CSR_INV_E 0x00000800
1004 #define FPU_CSR_DIV_E 0x00000400
1005 #define FPU_CSR_OVF_E 0x00000200
1006 #define FPU_CSR_UDF_E 0x00000100
1007 #define FPU_CSR_INE_E 0x00000080
1008
1009 #define FPU_CSR_ALL_S 0x0000007c
1010 #define FPU_CSR_INV_S 0x00000040
1011 #define FPU_CSR_DIV_S 0x00000020
1012 #define FPU_CSR_OVF_S 0x00000010
1013 #define FPU_CSR_UDF_S 0x00000008
1014 #define FPU_CSR_INE_S 0x00000004
1015
1016 /* Bits 0 and 1 of FPU Status Register specify the rounding mode */
1017 #define FPU_CSR_RM 0x00000003
1018 #define FPU_CSR_RN 0x0 /* nearest */
1019 #define FPU_CSR_RZ 0x1 /* towards zero */
1020 #define FPU_CSR_RU 0x2 /* towards +Infinity */
1021 #define FPU_CSR_RD 0x3 /* towards -Infinity */
1022
1023
1024 #ifndef __ASSEMBLY__
1025
1026 /*
1027 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
1028 */
1029 #if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
1030 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
1031 #define get_isa16_mode(x) ((x) & 0x1)
1032 #define msk_isa16_mode(x) ((x) & ~0x1)
1033 #define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
1034 #else
1035 #define get_isa16_mode(x) 0
1036 #define msk_isa16_mode(x) (x)
1037 #define set_isa16_mode(x) do { } while(0)
1038 #endif
1039
1040 /*
1041 * microMIPS instructions can be 16-bit or 32-bit in length. This
1042 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
1043 */
1044 static inline int mm_insn_16bit(u16 insn)
1045 {
1046 u16 opcode = (insn >> 10) & 0x7;
1047
1048 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
1049 }
1050
1051 /*
1052 * Helper macros for generating raw instruction encodings in inline asm.
1053 */
1054 #ifdef CONFIG_CPU_MICROMIPS
1055 #define _ASM_INSN16_IF_MM(_enc) \
1056 ".insn\n\t" \
1057 ".hword (" #_enc ")\n\t"
1058 #define _ASM_INSN32_IF_MM(_enc) \
1059 ".insn\n\t" \
1060 ".hword ((" #_enc ") >> 16)\n\t" \
1061 ".hword ((" #_enc ") & 0xffff)\n\t"
1062 #else
1063 #define _ASM_INSN_IF_MIPS(_enc) \
1064 ".insn\n\t" \
1065 ".word (" #_enc ")\n\t"
1066 #endif
1067
1068 #ifndef _ASM_INSN16_IF_MM
1069 #define _ASM_INSN16_IF_MM(_enc)
1070 #endif
1071 #ifndef _ASM_INSN32_IF_MM
1072 #define _ASM_INSN32_IF_MM(_enc)
1073 #endif
1074 #ifndef _ASM_INSN_IF_MIPS
1075 #define _ASM_INSN_IF_MIPS(_enc)
1076 #endif
1077
1078 /*
1079 * TLB Invalidate Flush
1080 */
1081 static inline void tlbinvf(void)
1082 {
1083 __asm__ __volatile__(
1084 ".set push\n\t"
1085 ".set noreorder\n\t"
1086 "# tlbinvf\n\t"
1087 _ASM_INSN_IF_MIPS(0x42000004)
1088 _ASM_INSN32_IF_MM(0x0000537c)
1089 ".set pop");
1090 }
1091
1092
1093 /*
1094 * Functions to access the R10000 performance counters. These are basically
1095 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
1096 * performance counter number encoded into bits 1 ... 5 of the instruction.
1097 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
1098 * disassembler these will look like an access to sel 0 or 1.
1099 */
1100 #define read_r10k_perf_cntr(counter) \
1101 ({ \
1102 unsigned int __res; \
1103 __asm__ __volatile__( \
1104 "mfpc\t%0, %1" \
1105 : "=r" (__res) \
1106 : "i" (counter)); \
1107 \
1108 __res; \
1109 })
1110
1111 #define write_r10k_perf_cntr(counter,val) \
1112 do { \
1113 __asm__ __volatile__( \
1114 "mtpc\t%0, %1" \
1115 : \
1116 : "r" (val), "i" (counter)); \
1117 } while (0)
1118
1119 #define read_r10k_perf_event(counter) \
1120 ({ \
1121 unsigned int __res; \
1122 __asm__ __volatile__( \
1123 "mfps\t%0, %1" \
1124 : "=r" (__res) \
1125 : "i" (counter)); \
1126 \
1127 __res; \
1128 })
1129
1130 #define write_r10k_perf_cntl(counter,val) \
1131 do { \
1132 __asm__ __volatile__( \
1133 "mtps\t%0, %1" \
1134 : \
1135 : "r" (val), "i" (counter)); \
1136 } while (0)
1137
1138
1139 /*
1140 * Macros to access the system control coprocessor
1141 */
1142
1143 #define __read_32bit_c0_register(source, sel) \
1144 ({ unsigned int __res; \
1145 if (sel == 0) \
1146 __asm__ __volatile__( \
1147 "mfc0\t%0, " #source "\n\t" \
1148 : "=r" (__res)); \
1149 else \
1150 __asm__ __volatile__( \
1151 ".set\tmips32\n\t" \
1152 "mfc0\t%0, " #source ", " #sel "\n\t" \
1153 ".set\tmips0\n\t" \
1154 : "=r" (__res)); \
1155 __res; \
1156 })
1157
1158 #define __read_64bit_c0_register(source, sel) \
1159 ({ unsigned long long __res; \
1160 if (sizeof(unsigned long) == 4) \
1161 __res = __read_64bit_c0_split(source, sel); \
1162 else if (sel == 0) \
1163 __asm__ __volatile__( \
1164 ".set\tmips3\n\t" \
1165 "dmfc0\t%0, " #source "\n\t" \
1166 ".set\tmips0" \
1167 : "=r" (__res)); \
1168 else \
1169 __asm__ __volatile__( \
1170 ".set\tmips64\n\t" \
1171 "dmfc0\t%0, " #source ", " #sel "\n\t" \
1172 ".set\tmips0" \
1173 : "=r" (__res)); \
1174 __res; \
1175 })
1176
1177 #define __write_32bit_c0_register(register, sel, value) \
1178 do { \
1179 if (sel == 0) \
1180 __asm__ __volatile__( \
1181 "mtc0\t%z0, " #register "\n\t" \
1182 : : "Jr" ((unsigned int)(value))); \
1183 else \
1184 __asm__ __volatile__( \
1185 ".set\tmips32\n\t" \
1186 "mtc0\t%z0, " #register ", " #sel "\n\t" \
1187 ".set\tmips0" \
1188 : : "Jr" ((unsigned int)(value))); \
1189 } while (0)
1190
1191 #define __write_64bit_c0_register(register, sel, value) \
1192 do { \
1193 if (sizeof(unsigned long) == 4) \
1194 __write_64bit_c0_split(register, sel, value); \
1195 else if (sel == 0) \
1196 __asm__ __volatile__( \
1197 ".set\tmips3\n\t" \
1198 "dmtc0\t%z0, " #register "\n\t" \
1199 ".set\tmips0" \
1200 : : "Jr" (value)); \
1201 else \
1202 __asm__ __volatile__( \
1203 ".set\tmips64\n\t" \
1204 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
1205 ".set\tmips0" \
1206 : : "Jr" (value)); \
1207 } while (0)
1208
1209 #define __read_ulong_c0_register(reg, sel) \
1210 ((sizeof(unsigned long) == 4) ? \
1211 (unsigned long) __read_32bit_c0_register(reg, sel) : \
1212 (unsigned long) __read_64bit_c0_register(reg, sel))
1213
1214 #define __write_ulong_c0_register(reg, sel, val) \
1215 do { \
1216 if (sizeof(unsigned long) == 4) \
1217 __write_32bit_c0_register(reg, sel, val); \
1218 else \
1219 __write_64bit_c0_register(reg, sel, val); \
1220 } while (0)
1221
1222 /*
1223 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1224 */
1225 #define __read_32bit_c0_ctrl_register(source) \
1226 ({ unsigned int __res; \
1227 __asm__ __volatile__( \
1228 "cfc0\t%0, " #source "\n\t" \
1229 : "=r" (__res)); \
1230 __res; \
1231 })
1232
1233 #define __write_32bit_c0_ctrl_register(register, value) \
1234 do { \
1235 __asm__ __volatile__( \
1236 "ctc0\t%z0, " #register "\n\t" \
1237 : : "Jr" ((unsigned int)(value))); \
1238 } while (0)
1239
1240 /*
1241 * These versions are only needed for systems with more than 38 bits of
1242 * physical address space running the 32-bit kernel. That's none atm :-)
1243 */
1244 #define __read_64bit_c0_split(source, sel) \
1245 ({ \
1246 unsigned long long __val; \
1247 unsigned long __flags; \
1248 \
1249 local_irq_save(__flags); \
1250 if (sel == 0) \
1251 __asm__ __volatile__( \
1252 ".set\tmips64\n\t" \
1253 "dmfc0\t%M0, " #source "\n\t" \
1254 "dsll\t%L0, %M0, 32\n\t" \
1255 "dsra\t%M0, %M0, 32\n\t" \
1256 "dsra\t%L0, %L0, 32\n\t" \
1257 ".set\tmips0" \
1258 : "=r" (__val)); \
1259 else \
1260 __asm__ __volatile__( \
1261 ".set\tmips64\n\t" \
1262 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1263 "dsll\t%L0, %M0, 32\n\t" \
1264 "dsra\t%M0, %M0, 32\n\t" \
1265 "dsra\t%L0, %L0, 32\n\t" \
1266 ".set\tmips0" \
1267 : "=r" (__val)); \
1268 local_irq_restore(__flags); \
1269 \
1270 __val; \
1271 })
1272
1273 #define __write_64bit_c0_split(source, sel, val) \
1274 do { \
1275 unsigned long __flags; \
1276 \
1277 local_irq_save(__flags); \
1278 if (sel == 0) \
1279 __asm__ __volatile__( \
1280 ".set\tmips64\n\t" \
1281 "dsll\t%L0, %L0, 32\n\t" \
1282 "dsrl\t%L0, %L0, 32\n\t" \
1283 "dsll\t%M0, %M0, 32\n\t" \
1284 "or\t%L0, %L0, %M0\n\t" \
1285 "dmtc0\t%L0, " #source "\n\t" \
1286 ".set\tmips0" \
1287 : : "r" (val)); \
1288 else \
1289 __asm__ __volatile__( \
1290 ".set\tmips64\n\t" \
1291 "dsll\t%L0, %L0, 32\n\t" \
1292 "dsrl\t%L0, %L0, 32\n\t" \
1293 "dsll\t%M0, %M0, 32\n\t" \
1294 "or\t%L0, %L0, %M0\n\t" \
1295 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1296 ".set\tmips0" \
1297 : : "r" (val)); \
1298 local_irq_restore(__flags); \
1299 } while (0)
1300
1301 #define __readx_32bit_c0_register(source) \
1302 ({ \
1303 unsigned int __res; \
1304 \
1305 __asm__ __volatile__( \
1306 " .set push \n" \
1307 " .set noat \n" \
1308 " .set mips32r2 \n" \
1309 " # mfhc0 $1, %1 \n" \
1310 _ASM_INSN_IF_MIPS(0x40410000 | ((%1 & 0x1f) << 11)) \
1311 _ASM_INSN32_IF_MM(0x002000f4 | ((%1 & 0x1f) << 16)) \
1312 " move %0, $1 \n" \
1313 " .set pop \n" \
1314 : "=r" (__res) \
1315 : "i" (source)); \
1316 __res; \
1317 })
1318
1319 #define __writex_32bit_c0_register(register, value) \
1320 do { \
1321 __asm__ __volatile__( \
1322 " .set push \n" \
1323 " .set noat \n" \
1324 " .set mips32r2 \n" \
1325 " move $1, %0 \n" \
1326 " # mthc0 $1, %1 \n" \
1327 _ASM_INSN_IF_MIPS(0x40c10000 | ((%1 & 0x1f) << 11)) \
1328 _ASM_INSN32_IF_MM(0x002002f4 | ((%1 & 0x1f) << 16)) \
1329 " .set pop \n" \
1330 : \
1331 : "r" (value), "i" (register)); \
1332 } while (0)
1333
1334 #define read_c0_index() __read_32bit_c0_register($0, 0)
1335 #define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1336
1337 #define read_c0_random() __read_32bit_c0_register($1, 0)
1338 #define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1339
1340 #define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1341 #define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1342
1343 #define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1344 #define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1345
1346 #define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1347 #define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1348
1349 #define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1350 #define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1351
1352 #define read_c0_conf() __read_32bit_c0_register($3, 0)
1353 #define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1354
1355 #define read_c0_context() __read_ulong_c0_register($4, 0)
1356 #define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1357
1358 #define read_c0_contextconfig() __read_32bit_c0_register($4, 1)
1359 #define write_c0_contextconfig(val) __write_32bit_c0_register($4, 1, val)
1360
1361 #define read_c0_userlocal() __read_ulong_c0_register($4, 2)
1362 #define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
1363
1364 #define read_c0_xcontextconfig() __read_ulong_c0_register($4, 3)
1365 #define write_c0_xcontextconfig(val) __write_ulong_c0_register($4, 3, val)
1366
1367 #define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1368 #define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1369
1370 #define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
1371 #define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
1372
1373 #define read_c0_wired() __read_32bit_c0_register($6, 0)
1374 #define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1375
1376 #define read_c0_info() __read_32bit_c0_register($7, 0)
1377
1378 #define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1379 #define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1380
1381 #define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1382 #define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1383
1384 #define read_c0_badinstr() __read_32bit_c0_register($8, 1)
1385 #define read_c0_badinstrp() __read_32bit_c0_register($8, 2)
1386
1387 #define read_c0_count() __read_32bit_c0_register($9, 0)
1388 #define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1389
1390 #define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1391 #define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1392
1393 #define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1394 #define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1395
1396 #define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1397 #define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1398
1399 #define read_c0_guestctl1() __read_32bit_c0_register($10, 4)
1400 #define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val)
1401
1402 #define read_c0_guestctl2() __read_32bit_c0_register($10, 5)
1403 #define write_c0_guestctl2(val) __write_32bit_c0_register($10, 5, val)
1404
1405 #define read_c0_guestctl3() __read_32bit_c0_register($10, 6)
1406 #define write_c0_guestctl3(val) __write_32bit_c0_register($10, 6, val)
1407
1408 #define read_c0_compare() __read_32bit_c0_register($11, 0)
1409 #define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1410
1411 #define read_c0_guestctl0ext() __read_32bit_c0_register($11, 4)
1412 #define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val)
1413
1414 #define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1415 #define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1416
1417 #define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1418 #define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1419
1420 #define read_c0_status() __read_32bit_c0_register($12, 0)
1421
1422 #define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1423
1424 #define read_c0_guestctl0() __read_32bit_c0_register($12, 6)
1425 #define write_c0_guestctl0(val) __write_32bit_c0_register($12, 6, val)
1426
1427 #define read_c0_gtoffset() __read_32bit_c0_register($12, 7)
1428 #define write_c0_gtoffset(val) __write_32bit_c0_register($12, 7, val)
1429
1430 #define read_c0_cause() __read_32bit_c0_register($13, 0)
1431 #define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1432
1433 #define read_c0_epc() __read_ulong_c0_register($14, 0)
1434 #define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1435
1436 #define read_c0_prid() __read_32bit_c0_register($15, 0)
1437
1438 #define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1439
1440 #define read_c0_config() __read_32bit_c0_register($16, 0)
1441 #define read_c0_config1() __read_32bit_c0_register($16, 1)
1442 #define read_c0_config2() __read_32bit_c0_register($16, 2)
1443 #define read_c0_config3() __read_32bit_c0_register($16, 3)
1444 #define read_c0_config4() __read_32bit_c0_register($16, 4)
1445 #define read_c0_config5() __read_32bit_c0_register($16, 5)
1446 #define read_c0_config6() __read_32bit_c0_register($16, 6)
1447 #define read_c0_config7() __read_32bit_c0_register($16, 7)
1448 #define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1449 #define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1450 #define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1451 #define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
1452 #define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1453 #define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1454 #define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1455 #define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1456
1457 #define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1458 #define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
1459 #define read_c0_maar() __read_ulong_c0_register($17, 1)
1460 #define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1461 #define read_c0_maari() __read_32bit_c0_register($17, 2)
1462 #define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1463
1464 /*
1465 * The WatchLo register. There may be up to 8 of them.
1466 */
1467 #define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1468 #define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1469 #define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1470 #define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1471 #define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1472 #define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1473 #define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1474 #define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1475 #define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1476 #define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1477 #define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1478 #define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1479 #define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1480 #define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1481 #define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1482 #define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1483
1484 /*
1485 * The WatchHi register. There may be up to 8 of them.
1486 */
1487 #define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1488 #define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1489 #define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1490 #define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1491 #define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1492 #define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1493 #define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1494 #define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1495
1496 #define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1497 #define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1498 #define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1499 #define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1500 #define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1501 #define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1502 #define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1503 #define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1504
1505 #define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1506 #define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1507
1508 #define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1509 #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1510
1511 #define read_c0_framemask() __read_32bit_c0_register($21, 0)
1512 #define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1513
1514 #define read_c0_diag() __read_32bit_c0_register($22, 0)
1515 #define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1516
1517 /* R10K CP0 Branch Diagnostic register is 64bits wide */
1518 #define read_c0_r10k_diag() __read_64bit_c0_register($22, 0)
1519 #define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1520
1521 #define read_c0_diag1() __read_32bit_c0_register($22, 1)
1522 #define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1523
1524 #define read_c0_diag2() __read_32bit_c0_register($22, 2)
1525 #define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1526
1527 #define read_c0_diag3() __read_32bit_c0_register($22, 3)
1528 #define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1529
1530 #define read_c0_diag4() __read_32bit_c0_register($22, 4)
1531 #define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1532
1533 #define read_c0_diag5() __read_32bit_c0_register($22, 5)
1534 #define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1535
1536 #define read_c0_debug() __read_32bit_c0_register($23, 0)
1537 #define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1538
1539 #define read_c0_depc() __read_ulong_c0_register($24, 0)
1540 #define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1541
1542 /*
1543 * MIPS32 / MIPS64 performance counters
1544 */
1545 #define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
1546 #define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1547 #define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
1548 #define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
1549 #define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1550 #define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1551 #define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
1552 #define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1553 #define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
1554 #define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
1555 #define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1556 #define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1557 #define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
1558 #define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1559 #define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
1560 #define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
1561 #define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1562 #define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1563 #define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
1564 #define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1565 #define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
1566 #define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
1567 #define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1568 #define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1569
1570 #define read_c0_ecc() __read_32bit_c0_register($26, 0)
1571 #define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1572
1573 #define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
1574 #define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1575
1576 #define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1577
1578 #define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
1579 #define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1580
1581 #define read_c0_taglo() __read_32bit_c0_register($28, 0)
1582 #define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1583
1584 #define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1585 #define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1586
1587 #define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1588 #define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1589
1590 #define read_c0_staglo() __read_32bit_c0_register($28, 4)
1591 #define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1592
1593 #define read_c0_taghi() __read_32bit_c0_register($29, 0)
1594 #define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1595
1596 #define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1597 #define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1598
1599 /* MIPSR2 */
1600 #define read_c0_hwrena() __read_32bit_c0_register($7, 0)
1601 #define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1602
1603 #define read_c0_intctl() __read_32bit_c0_register($12, 1)
1604 #define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1605
1606 #define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1607 #define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1608
1609 #define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1610 #define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1611
1612 #define read_c0_ebase() __read_32bit_c0_register($15, 1)
1613 #define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1614
1615 #define read_c0_ebase_64() __read_64bit_c0_register($15, 1)
1616 #define write_c0_ebase_64(val) __write_64bit_c0_register($15, 1, val)
1617
1618 #define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1619 #define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1620
1621 /* MIPSR3 */
1622 #define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1623 #define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1624
1625 #define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1626 #define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1627
1628 #define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1629 #define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
1630
1631 /* Hardware Page Table Walker */
1632 #define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1633 #define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1634
1635 #define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1636 #define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1637
1638 #define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1639 #define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1640
1641 #define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1642 #define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1643
1644 #define read_c0_pgd() __read_64bit_c0_register($9, 7)
1645 #define write_c0_pgd(val) __write_64bit_c0_register($9, 7, val)
1646
1647 #define read_c0_kpgd() __read_64bit_c0_register($31, 7)
1648 #define write_c0_kpgd(val) __write_64bit_c0_register($31, 7, val)
1649
1650 /* Cavium OCTEON (cnMIPS) */
1651 #define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1652 #define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1653
1654 #define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1655 #define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1656
1657 #define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
1658 #define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
1659 /*
1660 * The cacheerr registers are not standardized. On OCTEON, they are
1661 * 64 bits wide.
1662 */
1663 #define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1664 #define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1665
1666 #define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1667 #define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1668
1669 /* BMIPS3300 */
1670 #define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1671 #define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1672
1673 #define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1674 #define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1675
1676 #define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1677 #define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1678
1679 /* BMIPS43xx */
1680 #define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1681 #define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1682
1683 #define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1684 #define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1685
1686 #define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1687 #define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1688
1689 #define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1690 #define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1691
1692 #define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1693 #define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1694
1695 /* BMIPS5000 */
1696 #define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1697 #define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1698
1699 #define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1700 #define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1701
1702 #define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1703 #define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1704
1705 #define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1706 #define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1707
1708 #define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1709 #define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1710
1711 #define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1712 #define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1713
1714 /*
1715 * Macros to access the guest system control coprocessor
1716 */
1717
1718 #ifdef TOOLCHAIN_SUPPORTS_VIRT
1719
1720 #define __read_32bit_gc0_register(source, sel) \
1721 ({ int __res; \
1722 __asm__ __volatile__( \
1723 ".set\tpush\n\t" \
1724 ".set\tmips32r2\n\t" \
1725 ".set\tvirt\n\t" \
1726 "mfgc0\t%0, $%1, %2\n\t" \
1727 ".set\tpop" \
1728 : "=r" (__res) \
1729 : "i" (source), "i" (sel)); \
1730 __res; \
1731 })
1732
1733 #define __read_64bit_gc0_register(source, sel) \
1734 ({ unsigned long long __res; \
1735 __asm__ __volatile__( \
1736 ".set\tpush\n\t" \
1737 ".set\tmips64r2\n\t" \
1738 ".set\tvirt\n\t" \
1739 "dmfgc0\t%0, $%1, %2\n\t" \
1740 ".set\tpop" \
1741 : "=r" (__res) \
1742 : "i" (source), "i" (sel)); \
1743 __res; \
1744 })
1745
1746 #define __write_32bit_gc0_register(register, sel, value) \
1747 do { \
1748 __asm__ __volatile__( \
1749 ".set\tpush\n\t" \
1750 ".set\tmips32r2\n\t" \
1751 ".set\tvirt\n\t" \
1752 "mtgc0\t%z0, $%1, %2\n\t" \
1753 ".set\tpop" \
1754 : : "Jr" ((unsigned int)(value)), \
1755 "i" (register), "i" (sel)); \
1756 } while (0)
1757
1758 #define __write_64bit_gc0_register(register, sel, value) \
1759 do { \
1760 __asm__ __volatile__( \
1761 ".set\tpush\n\t" \
1762 ".set\tmips64r2\n\t" \
1763 ".set\tvirt\n\t" \
1764 "dmtgc0\t%z0, $%1, %2\n\t" \
1765 ".set\tpop" \
1766 : : "Jr" (value), \
1767 "i" (register), "i" (sel)); \
1768 } while (0)
1769
1770 #else /* TOOLCHAIN_SUPPORTS_VIRT */
1771
1772 #define __read_32bit_gc0_register(source, sel) \
1773 ({ int __res; \
1774 __asm__ __volatile__( \
1775 ".set\tpush\n\t" \
1776 ".set\tnoat\n\t" \
1777 "# mfgc0\t$1, $%1, %2\n\t" \
1778 _ASM_INSN_IF_MIPS(0x40610000 | %1 << 11 | %2) \
1779 _ASM_INSN32_IF_MM(0x002004fc | %1 << 16 | %2 << 11) \
1780 "move\t%0, $1\n\t" \
1781 ".set\tpop" \
1782 : "=r" (__res) \
1783 : "i" (source), "i" (sel)); \
1784 __res; \
1785 })
1786
1787 #define __read_64bit_gc0_register(source, sel) \
1788 ({ unsigned long long __res; \
1789 __asm__ __volatile__( \
1790 ".set\tpush\n\t" \
1791 ".set\tnoat\n\t" \
1792 "# dmfgc0\t$1, $%1, %2\n\t" \
1793 _ASM_INSN_IF_MIPS(0x40610100 | %1 << 11 | %2) \
1794 _ASM_INSN32_IF_MM(0x582004fc | %1 << 16 | %2 << 11) \
1795 "move\t%0, $1\n\t" \
1796 ".set\tpop" \
1797 : "=r" (__res) \
1798 : "i" (source), "i" (sel)); \
1799 __res; \
1800 })
1801
1802 #define __write_32bit_gc0_register(register, sel, value) \
1803 do { \
1804 __asm__ __volatile__( \
1805 ".set\tpush\n\t" \
1806 ".set\tnoat\n\t" \
1807 "move\t$1, %z0\n\t" \
1808 "# mtgc0\t$1, $%1, %2\n\t" \
1809 _ASM_INSN_IF_MIPS(0x40610200 | %1 << 11 | %2) \
1810 _ASM_INSN32_IF_MM(0x002006fc | %1 << 16 | %2 << 11) \
1811 ".set\tpop" \
1812 : : "Jr" ((unsigned int)(value)), \
1813 "i" (register), "i" (sel)); \
1814 } while (0)
1815
1816 #define __write_64bit_gc0_register(register, sel, value) \
1817 do { \
1818 __asm__ __volatile__( \
1819 ".set\tpush\n\t" \
1820 ".set\tnoat\n\t" \
1821 "move\t$1, %z0\n\t" \
1822 "# dmtgc0\t$1, $%1, %2\n\t" \
1823 _ASM_INSN_IF_MIPS(0x40610300 | %1 << 11 | %2) \
1824 _ASM_INSN32_IF_MM(0x582006fc | %1 << 16 | %2 << 11) \
1825 ".set\tpop" \
1826 : : "Jr" (value), \
1827 "i" (register), "i" (sel)); \
1828 } while (0)
1829
1830 #endif /* !TOOLCHAIN_SUPPORTS_VIRT */
1831
1832 #define __read_ulong_gc0_register(reg, sel) \
1833 ((sizeof(unsigned long) == 4) ? \
1834 (unsigned long) __read_32bit_gc0_register(reg, sel) : \
1835 (unsigned long) __read_64bit_gc0_register(reg, sel))
1836
1837 #define __write_ulong_gc0_register(reg, sel, val) \
1838 do { \
1839 if (sizeof(unsigned long) == 4) \
1840 __write_32bit_gc0_register(reg, sel, val); \
1841 else \
1842 __write_64bit_gc0_register(reg, sel, val); \
1843 } while (0)
1844
1845 #define read_gc0_index() __read_32bit_gc0_register(0, 0)
1846 #define write_gc0_index(val) __write_32bit_gc0_register(0, 0, val)
1847
1848 #define read_gc0_entrylo0() __read_ulong_gc0_register(2, 0)
1849 #define write_gc0_entrylo0(val) __write_ulong_gc0_register(2, 0, val)
1850
1851 #define read_gc0_entrylo1() __read_ulong_gc0_register(3, 0)
1852 #define write_gc0_entrylo1(val) __write_ulong_gc0_register(3, 0, val)
1853
1854 #define read_gc0_context() __read_ulong_gc0_register(4, 0)
1855 #define write_gc0_context(val) __write_ulong_gc0_register(4, 0, val)
1856
1857 #define read_gc0_contextconfig() __read_32bit_gc0_register(4, 1)
1858 #define write_gc0_contextconfig(val) __write_32bit_gc0_register(4, 1, val)
1859
1860 #define read_gc0_userlocal() __read_ulong_gc0_register(4, 2)
1861 #define write_gc0_userlocal(val) __write_ulong_gc0_register(4, 2, val)
1862
1863 #define read_gc0_xcontextconfig() __read_ulong_gc0_register(4, 3)
1864 #define write_gc0_xcontextconfig(val) __write_ulong_gc0_register(4, 3, val)
1865
1866 #define read_gc0_pagemask() __read_32bit_gc0_register(5, 0)
1867 #define write_gc0_pagemask(val) __write_32bit_gc0_register(5, 0, val)
1868
1869 #define read_gc0_pagegrain() __read_32bit_gc0_register(5, 1)
1870 #define write_gc0_pagegrain(val) __write_32bit_gc0_register(5, 1, val)
1871
1872 #define read_gc0_segctl0() __read_ulong_gc0_register(5, 2)
1873 #define write_gc0_segctl0(val) __write_ulong_gc0_register(5, 2, val)
1874
1875 #define read_gc0_segctl1() __read_ulong_gc0_register(5, 3)
1876 #define write_gc0_segctl1(val) __write_ulong_gc0_register(5, 3, val)
1877
1878 #define read_gc0_segctl2() __read_ulong_gc0_register(5, 4)
1879 #define write_gc0_segctl2(val) __write_ulong_gc0_register(5, 4, val)
1880
1881 #define read_gc0_pwbase() __read_ulong_gc0_register(5, 5)
1882 #define write_gc0_pwbase(val) __write_ulong_gc0_register(5, 5, val)
1883
1884 #define read_gc0_pwfield() __read_ulong_gc0_register(5, 6)
1885 #define write_gc0_pwfield(val) __write_ulong_gc0_register(5, 6, val)
1886
1887 #define read_gc0_pwsize() __read_ulong_gc0_register(5, 7)
1888 #define write_gc0_pwsize(val) __write_ulong_gc0_register(5, 7, val)
1889
1890 #define read_gc0_wired() __read_32bit_gc0_register(6, 0)
1891 #define write_gc0_wired(val) __write_32bit_gc0_register(6, 0, val)
1892
1893 #define read_gc0_pwctl() __read_32bit_gc0_register(6, 6)
1894 #define write_gc0_pwctl(val) __write_32bit_gc0_register(6, 6, val)
1895
1896 #define read_gc0_hwrena() __read_32bit_gc0_register(7, 0)
1897 #define write_gc0_hwrena(val) __write_32bit_gc0_register(7, 0, val)
1898
1899 #define read_gc0_badvaddr() __read_ulong_gc0_register(8, 0)
1900 #define write_gc0_badvaddr(val) __write_ulong_gc0_register(8, 0, val)
1901
1902 #define read_gc0_badinstr() __read_32bit_gc0_register(8, 1)
1903 #define write_gc0_badinstr(val) __write_32bit_gc0_register(8, 1, val)
1904
1905 #define read_gc0_badinstrp() __read_32bit_gc0_register(8, 2)
1906 #define write_gc0_badinstrp(val) __write_32bit_gc0_register(8, 2, val)
1907
1908 #define read_gc0_count() __read_32bit_gc0_register(9, 0)
1909
1910 #define read_gc0_entryhi() __read_ulong_gc0_register(10, 0)
1911 #define write_gc0_entryhi(val) __write_ulong_gc0_register(10, 0, val)
1912
1913 #define read_gc0_compare() __read_32bit_gc0_register(11, 0)
1914 #define write_gc0_compare(val) __write_32bit_gc0_register(11, 0, val)
1915
1916 #define read_gc0_status() __read_32bit_gc0_register(12, 0)
1917 #define write_gc0_status(val) __write_32bit_gc0_register(12, 0, val)
1918
1919 #define read_gc0_intctl() __read_32bit_gc0_register(12, 1)
1920 #define write_gc0_intctl(val) __write_32bit_gc0_register(12, 1, val)
1921
1922 #define read_gc0_cause() __read_32bit_gc0_register(13, 0)
1923 #define write_gc0_cause(val) __write_32bit_gc0_register(13, 0, val)
1924
1925 #define read_gc0_epc() __read_ulong_gc0_register(14, 0)
1926 #define write_gc0_epc(val) __write_ulong_gc0_register(14, 0, val)
1927
1928 #define read_gc0_ebase() __read_32bit_gc0_register(15, 1)
1929 #define write_gc0_ebase(val) __write_32bit_gc0_register(15, 1, val)
1930
1931 #define read_gc0_ebase_64() __read_64bit_gc0_register(15, 1)
1932 #define write_gc0_ebase_64(val) __write_64bit_gc0_register(15, 1, val)
1933
1934 #define read_gc0_config() __read_32bit_gc0_register(16, 0)
1935 #define read_gc0_config1() __read_32bit_gc0_register(16, 1)
1936 #define read_gc0_config2() __read_32bit_gc0_register(16, 2)
1937 #define read_gc0_config3() __read_32bit_gc0_register(16, 3)
1938 #define read_gc0_config4() __read_32bit_gc0_register(16, 4)
1939 #define read_gc0_config5() __read_32bit_gc0_register(16, 5)
1940 #define read_gc0_config6() __read_32bit_gc0_register(16, 6)
1941 #define read_gc0_config7() __read_32bit_gc0_register(16, 7)
1942 #define write_gc0_config(val) __write_32bit_gc0_register(16, 0, val)
1943 #define write_gc0_config1(val) __write_32bit_gc0_register(16, 1, val)
1944 #define write_gc0_config2(val) __write_32bit_gc0_register(16, 2, val)
1945 #define write_gc0_config3(val) __write_32bit_gc0_register(16, 3, val)
1946 #define write_gc0_config4(val) __write_32bit_gc0_register(16, 4, val)
1947 #define write_gc0_config5(val) __write_32bit_gc0_register(16, 5, val)
1948 #define write_gc0_config6(val) __write_32bit_gc0_register(16, 6, val)
1949 #define write_gc0_config7(val) __write_32bit_gc0_register(16, 7, val)
1950
1951 #define read_gc0_watchlo0() __read_ulong_gc0_register(18, 0)
1952 #define read_gc0_watchlo1() __read_ulong_gc0_register(18, 1)
1953 #define read_gc0_watchlo2() __read_ulong_gc0_register(18, 2)
1954 #define read_gc0_watchlo3() __read_ulong_gc0_register(18, 3)
1955 #define read_gc0_watchlo4() __read_ulong_gc0_register(18, 4)
1956 #define read_gc0_watchlo5() __read_ulong_gc0_register(18, 5)
1957 #define read_gc0_watchlo6() __read_ulong_gc0_register(18, 6)
1958 #define read_gc0_watchlo7() __read_ulong_gc0_register(18, 7)
1959 #define write_gc0_watchlo0(val) __write_ulong_gc0_register(18, 0, val)
1960 #define write_gc0_watchlo1(val) __write_ulong_gc0_register(18, 1, val)
1961 #define write_gc0_watchlo2(val) __write_ulong_gc0_register(18, 2, val)
1962 #define write_gc0_watchlo3(val) __write_ulong_gc0_register(18, 3, val)
1963 #define write_gc0_watchlo4(val) __write_ulong_gc0_register(18, 4, val)
1964 #define write_gc0_watchlo5(val) __write_ulong_gc0_register(18, 5, val)
1965 #define write_gc0_watchlo6(val) __write_ulong_gc0_register(18, 6, val)
1966 #define write_gc0_watchlo7(val) __write_ulong_gc0_register(18, 7, val)
1967
1968 #define read_gc0_watchhi0() __read_32bit_gc0_register(19, 0)
1969 #define read_gc0_watchhi1() __read_32bit_gc0_register(19, 1)
1970 #define read_gc0_watchhi2() __read_32bit_gc0_register(19, 2)
1971 #define read_gc0_watchhi3() __read_32bit_gc0_register(19, 3)
1972 #define read_gc0_watchhi4() __read_32bit_gc0_register(19, 4)
1973 #define read_gc0_watchhi5() __read_32bit_gc0_register(19, 5)
1974 #define read_gc0_watchhi6() __read_32bit_gc0_register(19, 6)
1975 #define read_gc0_watchhi7() __read_32bit_gc0_register(19, 7)
1976 #define write_gc0_watchhi0(val) __write_32bit_gc0_register(19, 0, val)
1977 #define write_gc0_watchhi1(val) __write_32bit_gc0_register(19, 1, val)
1978 #define write_gc0_watchhi2(val) __write_32bit_gc0_register(19, 2, val)
1979 #define write_gc0_watchhi3(val) __write_32bit_gc0_register(19, 3, val)
1980 #define write_gc0_watchhi4(val) __write_32bit_gc0_register(19, 4, val)
1981 #define write_gc0_watchhi5(val) __write_32bit_gc0_register(19, 5, val)
1982 #define write_gc0_watchhi6(val) __write_32bit_gc0_register(19, 6, val)
1983 #define write_gc0_watchhi7(val) __write_32bit_gc0_register(19, 7, val)
1984
1985 #define read_gc0_xcontext() __read_ulong_gc0_register(20, 0)
1986 #define write_gc0_xcontext(val) __write_ulong_gc0_register(20, 0, val)
1987
1988 #define read_gc0_perfctrl0() __read_32bit_gc0_register(25, 0)
1989 #define write_gc0_perfctrl0(val) __write_32bit_gc0_register(25, 0, val)
1990 #define read_gc0_perfcntr0() __read_32bit_gc0_register(25, 1)
1991 #define write_gc0_perfcntr0(val) __write_32bit_gc0_register(25, 1, val)
1992 #define read_gc0_perfcntr0_64() __read_64bit_gc0_register(25, 1)
1993 #define write_gc0_perfcntr0_64(val) __write_64bit_gc0_register(25, 1, val)
1994 #define read_gc0_perfctrl1() __read_32bit_gc0_register(25, 2)
1995 #define write_gc0_perfctrl1(val) __write_32bit_gc0_register(25, 2, val)
1996 #define read_gc0_perfcntr1() __read_32bit_gc0_register(25, 3)
1997 #define write_gc0_perfcntr1(val) __write_32bit_gc0_register(25, 3, val)
1998 #define read_gc0_perfcntr1_64() __read_64bit_gc0_register(25, 3)
1999 #define write_gc0_perfcntr1_64(val) __write_64bit_gc0_register(25, 3, val)
2000 #define read_gc0_perfctrl2() __read_32bit_gc0_register(25, 4)
2001 #define write_gc0_perfctrl2(val) __write_32bit_gc0_register(25, 4, val)
2002 #define read_gc0_perfcntr2() __read_32bit_gc0_register(25, 5)
2003 #define write_gc0_perfcntr2(val) __write_32bit_gc0_register(25, 5, val)
2004 #define read_gc0_perfcntr2_64() __read_64bit_gc0_register(25, 5)
2005 #define write_gc0_perfcntr2_64(val) __write_64bit_gc0_register(25, 5, val)
2006 #define read_gc0_perfctrl3() __read_32bit_gc0_register(25, 6)
2007 #define write_gc0_perfctrl3(val) __write_32bit_gc0_register(25, 6, val)
2008 #define read_gc0_perfcntr3() __read_32bit_gc0_register(25, 7)
2009 #define write_gc0_perfcntr3(val) __write_32bit_gc0_register(25, 7, val)
2010 #define read_gc0_perfcntr3_64() __read_64bit_gc0_register(25, 7)
2011 #define write_gc0_perfcntr3_64(val) __write_64bit_gc0_register(25, 7, val)
2012
2013 #define read_gc0_errorepc() __read_ulong_gc0_register(30, 0)
2014 #define write_gc0_errorepc(val) __write_ulong_gc0_register(30, 0, val)
2015
2016 #define read_gc0_kscratch1() __read_ulong_gc0_register(31, 2)
2017 #define read_gc0_kscratch2() __read_ulong_gc0_register(31, 3)
2018 #define read_gc0_kscratch3() __read_ulong_gc0_register(31, 4)
2019 #define read_gc0_kscratch4() __read_ulong_gc0_register(31, 5)
2020 #define read_gc0_kscratch5() __read_ulong_gc0_register(31, 6)
2021 #define read_gc0_kscratch6() __read_ulong_gc0_register(31, 7)
2022 #define write_gc0_kscratch1(val) __write_ulong_gc0_register(31, 2, val)
2023 #define write_gc0_kscratch2(val) __write_ulong_gc0_register(31, 3, val)
2024 #define write_gc0_kscratch3(val) __write_ulong_gc0_register(31, 4, val)
2025 #define write_gc0_kscratch4(val) __write_ulong_gc0_register(31, 5, val)
2026 #define write_gc0_kscratch5(val) __write_ulong_gc0_register(31, 6, val)
2027 #define write_gc0_kscratch6(val) __write_ulong_gc0_register(31, 7, val)
2028
2029 /*
2030 * Macros to access the floating point coprocessor control registers
2031 */
2032 #define _read_32bit_cp1_register(source, gas_hardfloat) \
2033 ({ \
2034 unsigned int __res; \
2035 \
2036 __asm__ __volatile__( \
2037 " .set push \n" \
2038 " .set reorder \n" \
2039 " # gas fails to assemble cfc1 for some archs, \n" \
2040 " # like Octeon. \n" \
2041 " .set mips1 \n" \
2042 " "STR(gas_hardfloat)" \n" \
2043 " cfc1 %0,"STR(source)" \n" \
2044 " .set pop \n" \
2045 : "=r" (__res)); \
2046 __res; \
2047 })
2048
2049 #define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
2050 do { \
2051 __asm__ __volatile__( \
2052 " .set push \n" \
2053 " .set reorder \n" \
2054 " "STR(gas_hardfloat)" \n" \
2055 " ctc1 %0,"STR(dest)" \n" \
2056 " .set pop \n" \
2057 : : "r" (val)); \
2058 } while (0)
2059
2060 #ifdef GAS_HAS_SET_HARDFLOAT
2061 #define read_32bit_cp1_register(source) \
2062 _read_32bit_cp1_register(source, .set hardfloat)
2063 #define write_32bit_cp1_register(dest, val) \
2064 _write_32bit_cp1_register(dest, val, .set hardfloat)
2065 #else
2066 #define read_32bit_cp1_register(source) \
2067 _read_32bit_cp1_register(source, )
2068 #define write_32bit_cp1_register(dest, val) \
2069 _write_32bit_cp1_register(dest, val, )
2070 #endif
2071
2072 #ifdef HAVE_AS_DSP
2073 #define rddsp(mask) \
2074 ({ \
2075 unsigned int __dspctl; \
2076 \
2077 __asm__ __volatile__( \
2078 " .set push \n" \
2079 " .set dsp \n" \
2080 " rddsp %0, %x1 \n" \
2081 " .set pop \n" \
2082 : "=r" (__dspctl) \
2083 : "i" (mask)); \
2084 __dspctl; \
2085 })
2086
2087 #define wrdsp(val, mask) \
2088 do { \
2089 __asm__ __volatile__( \
2090 " .set push \n" \
2091 " .set dsp \n" \
2092 " wrdsp %0, %x1 \n" \
2093 " .set pop \n" \
2094 : \
2095 : "r" (val), "i" (mask)); \
2096 } while (0)
2097
2098 #define mflo0() \
2099 ({ \
2100 long mflo0; \
2101 __asm__( \
2102 " .set push \n" \
2103 " .set dsp \n" \
2104 " mflo %0, $ac0 \n" \
2105 " .set pop \n" \
2106 : "=r" (mflo0)); \
2107 mflo0; \
2108 })
2109
2110 #define mflo1() \
2111 ({ \
2112 long mflo1; \
2113 __asm__( \
2114 " .set push \n" \
2115 " .set dsp \n" \
2116 " mflo %0, $ac1 \n" \
2117 " .set pop \n" \
2118 : "=r" (mflo1)); \
2119 mflo1; \
2120 })
2121
2122 #define mflo2() \
2123 ({ \
2124 long mflo2; \
2125 __asm__( \
2126 " .set push \n" \
2127 " .set dsp \n" \
2128 " mflo %0, $ac2 \n" \
2129 " .set pop \n" \
2130 : "=r" (mflo2)); \
2131 mflo2; \
2132 })
2133
2134 #define mflo3() \
2135 ({ \
2136 long mflo3; \
2137 __asm__( \
2138 " .set push \n" \
2139 " .set dsp \n" \
2140 " mflo %0, $ac3 \n" \
2141 " .set pop \n" \
2142 : "=r" (mflo3)); \
2143 mflo3; \
2144 })
2145
2146 #define mfhi0() \
2147 ({ \
2148 long mfhi0; \
2149 __asm__( \
2150 " .set push \n" \
2151 " .set dsp \n" \
2152 " mfhi %0, $ac0 \n" \
2153 " .set pop \n" \
2154 : "=r" (mfhi0)); \
2155 mfhi0; \
2156 })
2157
2158 #define mfhi1() \
2159 ({ \
2160 long mfhi1; \
2161 __asm__( \
2162 " .set push \n" \
2163 " .set dsp \n" \
2164 " mfhi %0, $ac1 \n" \
2165 " .set pop \n" \
2166 : "=r" (mfhi1)); \
2167 mfhi1; \
2168 })
2169
2170 #define mfhi2() \
2171 ({ \
2172 long mfhi2; \
2173 __asm__( \
2174 " .set push \n" \
2175 " .set dsp \n" \
2176 " mfhi %0, $ac2 \n" \
2177 " .set pop \n" \
2178 : "=r" (mfhi2)); \
2179 mfhi2; \
2180 })
2181
2182 #define mfhi3() \
2183 ({ \
2184 long mfhi3; \
2185 __asm__( \
2186 " .set push \n" \
2187 " .set dsp \n" \
2188 " mfhi %0, $ac3 \n" \
2189 " .set pop \n" \
2190 : "=r" (mfhi3)); \
2191 mfhi3; \
2192 })
2193
2194
2195 #define mtlo0(x) \
2196 ({ \
2197 __asm__( \
2198 " .set push \n" \
2199 " .set dsp \n" \
2200 " mtlo %0, $ac0 \n" \
2201 " .set pop \n" \
2202 : \
2203 : "r" (x)); \
2204 })
2205
2206 #define mtlo1(x) \
2207 ({ \
2208 __asm__( \
2209 " .set push \n" \
2210 " .set dsp \n" \
2211 " mtlo %0, $ac1 \n" \
2212 " .set pop \n" \
2213 : \
2214 : "r" (x)); \
2215 })
2216
2217 #define mtlo2(x) \
2218 ({ \
2219 __asm__( \
2220 " .set push \n" \
2221 " .set dsp \n" \
2222 " mtlo %0, $ac2 \n" \
2223 " .set pop \n" \
2224 : \
2225 : "r" (x)); \
2226 })
2227
2228 #define mtlo3(x) \
2229 ({ \
2230 __asm__( \
2231 " .set push \n" \
2232 " .set dsp \n" \
2233 " mtlo %0, $ac3 \n" \
2234 " .set pop \n" \
2235 : \
2236 : "r" (x)); \
2237 })
2238
2239 #define mthi0(x) \
2240 ({ \
2241 __asm__( \
2242 " .set push \n" \
2243 " .set dsp \n" \
2244 " mthi %0, $ac0 \n" \
2245 " .set pop \n" \
2246 : \
2247 : "r" (x)); \
2248 })
2249
2250 #define mthi1(x) \
2251 ({ \
2252 __asm__( \
2253 " .set push \n" \
2254 " .set dsp \n" \
2255 " mthi %0, $ac1 \n" \
2256 " .set pop \n" \
2257 : \
2258 : "r" (x)); \
2259 })
2260
2261 #define mthi2(x) \
2262 ({ \
2263 __asm__( \
2264 " .set push \n" \
2265 " .set dsp \n" \
2266 " mthi %0, $ac2 \n" \
2267 " .set pop \n" \
2268 : \
2269 : "r" (x)); \
2270 })
2271
2272 #define mthi3(x) \
2273 ({ \
2274 __asm__( \
2275 " .set push \n" \
2276 " .set dsp \n" \
2277 " mthi %0, $ac3 \n" \
2278 " .set pop \n" \
2279 : \
2280 : "r" (x)); \
2281 })
2282
2283 #else
2284
2285 #define rddsp(mask) \
2286 ({ \
2287 unsigned int __res; \
2288 \
2289 __asm__ __volatile__( \
2290 " .set push \n" \
2291 " .set noat \n" \
2292 " # rddsp $1, %x1 \n" \
2293 _ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16)) \
2294 _ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14)) \
2295 " move %0, $1 \n" \
2296 " .set pop \n" \
2297 : "=r" (__res) \
2298 : "i" (mask)); \
2299 __res; \
2300 })
2301
2302 #define wrdsp(val, mask) \
2303 do { \
2304 __asm__ __volatile__( \
2305 " .set push \n" \
2306 " .set noat \n" \
2307 " move $1, %0 \n" \
2308 " # wrdsp $1, %x1 \n" \
2309 _ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11)) \
2310 _ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14)) \
2311 " .set pop \n" \
2312 : \
2313 : "r" (val), "i" (mask)); \
2314 } while (0)
2315
2316 #define _dsp_mfxxx(ins) \
2317 ({ \
2318 unsigned long __treg; \
2319 \
2320 __asm__ __volatile__( \
2321 " .set push \n" \
2322 " .set noat \n" \
2323 _ASM_INSN_IF_MIPS(0x00000810 | %X1) \
2324 _ASM_INSN32_IF_MM(0x0001007c | %x1) \
2325 " move %0, $1 \n" \
2326 " .set pop \n" \
2327 : "=r" (__treg) \
2328 : "i" (ins)); \
2329 __treg; \
2330 })
2331
2332 #define _dsp_mtxxx(val, ins) \
2333 do { \
2334 __asm__ __volatile__( \
2335 " .set push \n" \
2336 " .set noat \n" \
2337 " move $1, %0 \n" \
2338 _ASM_INSN_IF_MIPS(0x00200011 | %X1) \
2339 _ASM_INSN32_IF_MM(0x0001207c | %x1) \
2340 " .set pop \n" \
2341 : \
2342 : "r" (val), "i" (ins)); \
2343 } while (0)
2344
2345 #ifdef CONFIG_CPU_MICROMIPS
2346
2347 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000)
2348 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000)
2349
2350 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000))
2351 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000))
2352
2353 #else /* !CONFIG_CPU_MICROMIPS */
2354
2355 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
2356 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
2357
2358 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
2359 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
2360
2361 #endif /* CONFIG_CPU_MICROMIPS */
2362
2363 #define mflo0() _dsp_mflo(0)
2364 #define mflo1() _dsp_mflo(1)
2365 #define mflo2() _dsp_mflo(2)
2366 #define mflo3() _dsp_mflo(3)
2367
2368 #define mfhi0() _dsp_mfhi(0)
2369 #define mfhi1() _dsp_mfhi(1)
2370 #define mfhi2() _dsp_mfhi(2)
2371 #define mfhi3() _dsp_mfhi(3)
2372
2373 #define mtlo0(x) _dsp_mtlo(x, 0)
2374 #define mtlo1(x) _dsp_mtlo(x, 1)
2375 #define mtlo2(x) _dsp_mtlo(x, 2)
2376 #define mtlo3(x) _dsp_mtlo(x, 3)
2377
2378 #define mthi0(x) _dsp_mthi(x, 0)
2379 #define mthi1(x) _dsp_mthi(x, 1)
2380 #define mthi2(x) _dsp_mthi(x, 2)
2381 #define mthi3(x) _dsp_mthi(x, 3)
2382
2383 #endif
2384
2385 /*
2386 * TLB operations.
2387 *
2388 * It is responsibility of the caller to take care of any TLB hazards.
2389 */
2390 static inline void tlb_probe(void)
2391 {
2392 __asm__ __volatile__(
2393 ".set noreorder\n\t"
2394 "tlbp\n\t"
2395 ".set reorder");
2396 }
2397
2398 static inline void tlb_read(void)
2399 {
2400 #if MIPS34K_MISSED_ITLB_WAR
2401 int res = 0;
2402
2403 __asm__ __volatile__(
2404 " .set push \n"
2405 " .set noreorder \n"
2406 " .set noat \n"
2407 " .set mips32r2 \n"
2408 " .word 0x41610001 # dvpe $1 \n"
2409 " move %0, $1 \n"
2410 " ehb \n"
2411 " .set pop \n"
2412 : "=r" (res));
2413
2414 instruction_hazard();
2415 #endif
2416
2417 __asm__ __volatile__(
2418 ".set noreorder\n\t"
2419 "tlbr\n\t"
2420 ".set reorder");
2421
2422 #if MIPS34K_MISSED_ITLB_WAR
2423 if ((res & _ULCAST_(1)))
2424 __asm__ __volatile__(
2425 " .set push \n"
2426 " .set noreorder \n"
2427 " .set noat \n"
2428 " .set mips32r2 \n"
2429 " .word 0x41600021 # evpe \n"
2430 " ehb \n"
2431 " .set pop \n");
2432 #endif
2433 }
2434
2435 static inline void tlb_write_indexed(void)
2436 {
2437 __asm__ __volatile__(
2438 ".set noreorder\n\t"
2439 "tlbwi\n\t"
2440 ".set reorder");
2441 }
2442
2443 static inline void tlb_write_random(void)
2444 {
2445 __asm__ __volatile__(
2446 ".set noreorder\n\t"
2447 "tlbwr\n\t"
2448 ".set reorder");
2449 }
2450
2451 #ifdef TOOLCHAIN_SUPPORTS_VIRT
2452
2453 /*
2454 * Guest TLB operations.
2455 *
2456 * It is responsibility of the caller to take care of any TLB hazards.
2457 */
2458 static inline void guest_tlb_probe(void)
2459 {
2460 __asm__ __volatile__(
2461 ".set push\n\t"
2462 ".set noreorder\n\t"
2463 ".set virt\n\t"
2464 "tlbgp\n\t"
2465 ".set pop");
2466 }
2467
2468 static inline void guest_tlb_read(void)
2469 {
2470 __asm__ __volatile__(
2471 ".set push\n\t"
2472 ".set noreorder\n\t"
2473 ".set virt\n\t"
2474 "tlbgr\n\t"
2475 ".set pop");
2476 }
2477
2478 static inline void guest_tlb_write_indexed(void)
2479 {
2480 __asm__ __volatile__(
2481 ".set push\n\t"
2482 ".set noreorder\n\t"
2483 ".set virt\n\t"
2484 "tlbgwi\n\t"
2485 ".set pop");
2486 }
2487
2488 static inline void guest_tlb_write_random(void)
2489 {
2490 __asm__ __volatile__(
2491 ".set push\n\t"
2492 ".set noreorder\n\t"
2493 ".set virt\n\t"
2494 "tlbgwr\n\t"
2495 ".set pop");
2496 }
2497
2498 /*
2499 * Guest TLB Invalidate Flush
2500 */
2501 static inline void guest_tlbinvf(void)
2502 {
2503 __asm__ __volatile__(
2504 ".set push\n\t"
2505 ".set noreorder\n\t"
2506 ".set virt\n\t"
2507 "tlbginvf\n\t"
2508 ".set pop");
2509 }
2510
2511 #else /* TOOLCHAIN_SUPPORTS_VIRT */
2512
2513 /*
2514 * Guest TLB operations.
2515 *
2516 * It is responsibility of the caller to take care of any TLB hazards.
2517 */
2518 static inline void guest_tlb_probe(void)
2519 {
2520 __asm__ __volatile__(
2521 "# tlbgp\n\t"
2522 _ASM_INSN_IF_MIPS(0x42000010)
2523 _ASM_INSN32_IF_MM(0x0000017c));
2524 }
2525
2526 static inline void guest_tlb_read(void)
2527 {
2528 __asm__ __volatile__(
2529 "# tlbgr\n\t"
2530 _ASM_INSN_IF_MIPS(0x42000009)
2531 _ASM_INSN32_IF_MM(0x0000117c));
2532 }
2533
2534 static inline void guest_tlb_write_indexed(void)
2535 {
2536 __asm__ __volatile__(
2537 "# tlbgwi\n\t"
2538 _ASM_INSN_IF_MIPS(0x4200000a)
2539 _ASM_INSN32_IF_MM(0x0000217c));
2540 }
2541
2542 static inline void guest_tlb_write_random(void)
2543 {
2544 __asm__ __volatile__(
2545 "# tlbgwr\n\t"
2546 _ASM_INSN_IF_MIPS(0x4200000e)
2547 _ASM_INSN32_IF_MM(0x0000317c));
2548 }
2549
2550 /*
2551 * Guest TLB Invalidate Flush
2552 */
2553 static inline void guest_tlbinvf(void)
2554 {
2555 __asm__ __volatile__(
2556 "# tlbginvf\n\t"
2557 _ASM_INSN_IF_MIPS(0x4200000c)
2558 _ASM_INSN32_IF_MM(0x0000517c));
2559 }
2560
2561 #endif /* !TOOLCHAIN_SUPPORTS_VIRT */
2562
2563 /*
2564 * Manipulate bits in a register.
2565 */
2566 #define __BUILD_SET_COMMON(name) \
2567 static inline unsigned int \
2568 set_##name(unsigned int set) \
2569 { \
2570 unsigned int res, new; \
2571 \
2572 res = read_##name(); \
2573 new = res | set; \
2574 write_##name(new); \
2575 \
2576 return res; \
2577 } \
2578 \
2579 static inline unsigned int \
2580 clear_##name(unsigned int clear) \
2581 { \
2582 unsigned int res, new; \
2583 \
2584 res = read_##name(); \
2585 new = res & ~clear; \
2586 write_##name(new); \
2587 \
2588 return res; \
2589 } \
2590 \
2591 static inline unsigned int \
2592 change_##name(unsigned int change, unsigned int val) \
2593 { \
2594 unsigned int res, new; \
2595 \
2596 res = read_##name(); \
2597 new = res & ~change; \
2598 new |= (val & change); \
2599 write_##name(new); \
2600 \
2601 return res; \
2602 }
2603
2604 /*
2605 * Manipulate bits in a c0 register.
2606 */
2607 #define __BUILD_SET_C0(name) __BUILD_SET_COMMON(c0_##name)
2608
2609 __BUILD_SET_C0(status)
2610 __BUILD_SET_C0(cause)
2611 __BUILD_SET_C0(config)
2612 __BUILD_SET_C0(config5)
2613 __BUILD_SET_C0(intcontrol)
2614 __BUILD_SET_C0(intctl)
2615 __BUILD_SET_C0(srsmap)
2616 __BUILD_SET_C0(pagegrain)
2617 __BUILD_SET_C0(guestctl0)
2618 __BUILD_SET_C0(guestctl0ext)
2619 __BUILD_SET_C0(guestctl1)
2620 __BUILD_SET_C0(guestctl2)
2621 __BUILD_SET_C0(guestctl3)
2622 __BUILD_SET_C0(brcm_config_0)
2623 __BUILD_SET_C0(brcm_bus_pll)
2624 __BUILD_SET_C0(brcm_reset)
2625 __BUILD_SET_C0(brcm_cmt_intr)
2626 __BUILD_SET_C0(brcm_cmt_ctrl)
2627 __BUILD_SET_C0(brcm_config)
2628 __BUILD_SET_C0(brcm_mode)
2629
2630 /*
2631 * Manipulate bits in a guest c0 register.
2632 */
2633 #define __BUILD_SET_GC0(name) __BUILD_SET_COMMON(gc0_##name)
2634
2635 __BUILD_SET_GC0(status)
2636 __BUILD_SET_GC0(cause)
2637 __BUILD_SET_GC0(ebase)
2638
2639 /*
2640 * Return low 10 bits of ebase.
2641 * Note that under KVM (MIPSVZ) this returns vcpu id.
2642 */
2643 static inline unsigned int get_ebase_cpunum(void)
2644 {
2645 return read_c0_ebase() & MIPS_EBASE_CPUNUM;
2646 }
2647
2648 #endif /* !__ASSEMBLY__ */
2649
2650 #endif /* _ASM_MIPSREGS_H */