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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
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 * Wired register bits
219 */
220 #define MIPSR6_WIRED_LIMIT (_ULCAST_(0xffff) << 16)
221 #define MIPSR6_WIRED_WIRED (_ULCAST_(0xffff) << 0)
222
223 /*
224 * Values used for computation of new tlb entries
225 */
226 #define PL_4K 12
227 #define PL_16K 14
228 #define PL_64K 16
229 #define PL_256K 18
230 #define PL_1M 20
231 #define PL_4M 22
232 #define PL_16M 24
233 #define PL_64M 26
234 #define PL_256M 28
235
236 /*
237 * PageGrain bits
238 */
239 #define PG_RIE (_ULCAST_(1) << 31)
240 #define PG_XIE (_ULCAST_(1) << 30)
241 #define PG_ELPA (_ULCAST_(1) << 29)
242 #define PG_ESP (_ULCAST_(1) << 28)
243 #define PG_IEC (_ULCAST_(1) << 27)
244
245 /* MIPS32/64 EntryHI bit definitions */
246 #define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
247 #define MIPS_ENTRYHI_ASIDX (_ULCAST_(0x3) << 8)
248 #define MIPS_ENTRYHI_ASID (_ULCAST_(0xff) << 0)
249
250 /*
251 * R4x00 interrupt enable / cause bits
252 */
253 #define IE_SW0 (_ULCAST_(1) << 8)
254 #define IE_SW1 (_ULCAST_(1) << 9)
255 #define IE_IRQ0 (_ULCAST_(1) << 10)
256 #define IE_IRQ1 (_ULCAST_(1) << 11)
257 #define IE_IRQ2 (_ULCAST_(1) << 12)
258 #define IE_IRQ3 (_ULCAST_(1) << 13)
259 #define IE_IRQ4 (_ULCAST_(1) << 14)
260 #define IE_IRQ5 (_ULCAST_(1) << 15)
261
262 /*
263 * R4x00 interrupt cause bits
264 */
265 #define C_SW0 (_ULCAST_(1) << 8)
266 #define C_SW1 (_ULCAST_(1) << 9)
267 #define C_IRQ0 (_ULCAST_(1) << 10)
268 #define C_IRQ1 (_ULCAST_(1) << 11)
269 #define C_IRQ2 (_ULCAST_(1) << 12)
270 #define C_IRQ3 (_ULCAST_(1) << 13)
271 #define C_IRQ4 (_ULCAST_(1) << 14)
272 #define C_IRQ5 (_ULCAST_(1) << 15)
273
274 /*
275 * Bitfields in the R4xx0 cp0 status register
276 */
277 #define ST0_IE 0x00000001
278 #define ST0_EXL 0x00000002
279 #define ST0_ERL 0x00000004
280 #define ST0_KSU 0x00000018
281 # define KSU_USER 0x00000010
282 # define KSU_SUPERVISOR 0x00000008
283 # define KSU_KERNEL 0x00000000
284 #define ST0_UX 0x00000020
285 #define ST0_SX 0x00000040
286 #define ST0_KX 0x00000080
287 #define ST0_DE 0x00010000
288 #define ST0_CE 0x00020000
289
290 /*
291 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
292 * cacheops in userspace. This bit exists only on RM7000 and RM9000
293 * processors.
294 */
295 #define ST0_CO 0x08000000
296
297 /*
298 * Bitfields in the R[23]000 cp0 status register.
299 */
300 #define ST0_IEC 0x00000001
301 #define ST0_KUC 0x00000002
302 #define ST0_IEP 0x00000004
303 #define ST0_KUP 0x00000008
304 #define ST0_IEO 0x00000010
305 #define ST0_KUO 0x00000020
306 /* bits 6 & 7 are reserved on R[23]000 */
307 #define ST0_ISC 0x00010000
308 #define ST0_SWC 0x00020000
309 #define ST0_CM 0x00080000
310
311 /*
312 * Bits specific to the R4640/R4650
313 */
314 #define ST0_UM (_ULCAST_(1) << 4)
315 #define ST0_IL (_ULCAST_(1) << 23)
316 #define ST0_DL (_ULCAST_(1) << 24)
317
318 /*
319 * Enable the MIPS MDMX and DSP ASEs
320 */
321 #define ST0_MX 0x01000000
322
323 /*
324 * Status register bits available in all MIPS CPUs.
325 */
326 #define ST0_IM 0x0000ff00
327 #define STATUSB_IP0 8
328 #define STATUSF_IP0 (_ULCAST_(1) << 8)
329 #define STATUSB_IP1 9
330 #define STATUSF_IP1 (_ULCAST_(1) << 9)
331 #define STATUSB_IP2 10
332 #define STATUSF_IP2 (_ULCAST_(1) << 10)
333 #define STATUSB_IP3 11
334 #define STATUSF_IP3 (_ULCAST_(1) << 11)
335 #define STATUSB_IP4 12
336 #define STATUSF_IP4 (_ULCAST_(1) << 12)
337 #define STATUSB_IP5 13
338 #define STATUSF_IP5 (_ULCAST_(1) << 13)
339 #define STATUSB_IP6 14
340 #define STATUSF_IP6 (_ULCAST_(1) << 14)
341 #define STATUSB_IP7 15
342 #define STATUSF_IP7 (_ULCAST_(1) << 15)
343 #define STATUSB_IP8 0
344 #define STATUSF_IP8 (_ULCAST_(1) << 0)
345 #define STATUSB_IP9 1
346 #define STATUSF_IP9 (_ULCAST_(1) << 1)
347 #define STATUSB_IP10 2
348 #define STATUSF_IP10 (_ULCAST_(1) << 2)
349 #define STATUSB_IP11 3
350 #define STATUSF_IP11 (_ULCAST_(1) << 3)
351 #define STATUSB_IP12 4
352 #define STATUSF_IP12 (_ULCAST_(1) << 4)
353 #define STATUSB_IP13 5
354 #define STATUSF_IP13 (_ULCAST_(1) << 5)
355 #define STATUSB_IP14 6
356 #define STATUSF_IP14 (_ULCAST_(1) << 6)
357 #define STATUSB_IP15 7
358 #define STATUSF_IP15 (_ULCAST_(1) << 7)
359 #define ST0_CH 0x00040000
360 #define ST0_NMI 0x00080000
361 #define ST0_SR 0x00100000
362 #define ST0_TS 0x00200000
363 #define ST0_BEV 0x00400000
364 #define ST0_RE 0x02000000
365 #define ST0_FR 0x04000000
366 #define ST0_CU 0xf0000000
367 #define ST0_CU0 0x10000000
368 #define ST0_CU1 0x20000000
369 #define ST0_CU2 0x40000000
370 #define ST0_CU3 0x80000000
371 #define ST0_XX 0x80000000 /* MIPS IV naming */
372
373 /*
374 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
375 */
376 #define INTCTLB_IPFDC 23
377 #define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
378 #define INTCTLB_IPPCI 26
379 #define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
380 #define INTCTLB_IPTI 29
381 #define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
382
383 /*
384 * Bitfields and bit numbers in the coprocessor 0 cause register.
385 *
386 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
387 */
388 #define CAUSEB_EXCCODE 2
389 #define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
390 #define CAUSEB_IP 8
391 #define CAUSEF_IP (_ULCAST_(255) << 8)
392 #define CAUSEB_IP0 8
393 #define CAUSEF_IP0 (_ULCAST_(1) << 8)
394 #define CAUSEB_IP1 9
395 #define CAUSEF_IP1 (_ULCAST_(1) << 9)
396 #define CAUSEB_IP2 10
397 #define CAUSEF_IP2 (_ULCAST_(1) << 10)
398 #define CAUSEB_IP3 11
399 #define CAUSEF_IP3 (_ULCAST_(1) << 11)
400 #define CAUSEB_IP4 12
401 #define CAUSEF_IP4 (_ULCAST_(1) << 12)
402 #define CAUSEB_IP5 13
403 #define CAUSEF_IP5 (_ULCAST_(1) << 13)
404 #define CAUSEB_IP6 14
405 #define CAUSEF_IP6 (_ULCAST_(1) << 14)
406 #define CAUSEB_IP7 15
407 #define CAUSEF_IP7 (_ULCAST_(1) << 15)
408 #define CAUSEB_FDCI 21
409 #define CAUSEF_FDCI (_ULCAST_(1) << 21)
410 #define CAUSEB_WP 22
411 #define CAUSEF_WP (_ULCAST_(1) << 22)
412 #define CAUSEB_IV 23
413 #define CAUSEF_IV (_ULCAST_(1) << 23)
414 #define CAUSEB_PCI 26
415 #define CAUSEF_PCI (_ULCAST_(1) << 26)
416 #define CAUSEB_DC 27
417 #define CAUSEF_DC (_ULCAST_(1) << 27)
418 #define CAUSEB_CE 28
419 #define CAUSEF_CE (_ULCAST_(3) << 28)
420 #define CAUSEB_TI 30
421 #define CAUSEF_TI (_ULCAST_(1) << 30)
422 #define CAUSEB_BD 31
423 #define CAUSEF_BD (_ULCAST_(1) << 31)
424
425 /*
426 * Cause.ExcCode trap codes.
427 */
428 #define EXCCODE_INT 0 /* Interrupt pending */
429 #define EXCCODE_MOD 1 /* TLB modified fault */
430 #define EXCCODE_TLBL 2 /* TLB miss on load or ifetch */
431 #define EXCCODE_TLBS 3 /* TLB miss on a store */
432 #define EXCCODE_ADEL 4 /* Address error on a load or ifetch */
433 #define EXCCODE_ADES 5 /* Address error on a store */
434 #define EXCCODE_IBE 6 /* Bus error on an ifetch */
435 #define EXCCODE_DBE 7 /* Bus error on a load or store */
436 #define EXCCODE_SYS 8 /* System call */
437 #define EXCCODE_BP 9 /* Breakpoint */
438 #define EXCCODE_RI 10 /* Reserved instruction exception */
439 #define EXCCODE_CPU 11 /* Coprocessor unusable */
440 #define EXCCODE_OV 12 /* Arithmetic overflow */
441 #define EXCCODE_TR 13 /* Trap instruction */
442 #define EXCCODE_MSAFPE 14 /* MSA floating point exception */
443 #define EXCCODE_FPE 15 /* Floating point exception */
444 #define EXCCODE_TLBRI 19 /* TLB Read-Inhibit exception */
445 #define EXCCODE_TLBXI 20 /* TLB Execution-Inhibit exception */
446 #define EXCCODE_MSADIS 21 /* MSA disabled exception */
447 #define EXCCODE_MDMX 22 /* MDMX unusable exception */
448 #define EXCCODE_WATCH 23 /* Watch address reference */
449 #define EXCCODE_MCHECK 24 /* Machine check */
450 #define EXCCODE_THREAD 25 /* Thread exceptions (MT) */
451 #define EXCCODE_DSPDIS 26 /* DSP disabled exception */
452 #define EXCCODE_GE 27 /* Virtualized guest exception (VZ) */
453
454 /* Implementation specific trap codes used by MIPS cores */
455 #define MIPS_EXCCODE_TLBPAR 16 /* TLB parity error exception */
456
457 /*
458 * Bits in the coprocessor 0 config register.
459 */
460 /* Generic bits. */
461 #define CONF_CM_CACHABLE_NO_WA 0
462 #define CONF_CM_CACHABLE_WA 1
463 #define CONF_CM_UNCACHED 2
464 #define CONF_CM_CACHABLE_NONCOHERENT 3
465 #define CONF_CM_CACHABLE_CE 4
466 #define CONF_CM_CACHABLE_COW 5
467 #define CONF_CM_CACHABLE_CUW 6
468 #define CONF_CM_CACHABLE_ACCELERATED 7
469 #define CONF_CM_CMASK 7
470 #define CONF_BE (_ULCAST_(1) << 15)
471
472 /* Bits common to various processors. */
473 #define CONF_CU (_ULCAST_(1) << 3)
474 #define CONF_DB (_ULCAST_(1) << 4)
475 #define CONF_IB (_ULCAST_(1) << 5)
476 #define CONF_DC (_ULCAST_(7) << 6)
477 #define CONF_IC (_ULCAST_(7) << 9)
478 #define CONF_EB (_ULCAST_(1) << 13)
479 #define CONF_EM (_ULCAST_(1) << 14)
480 #define CONF_SM (_ULCAST_(1) << 16)
481 #define CONF_SC (_ULCAST_(1) << 17)
482 #define CONF_EW (_ULCAST_(3) << 18)
483 #define CONF_EP (_ULCAST_(15)<< 24)
484 #define CONF_EC (_ULCAST_(7) << 28)
485 #define CONF_CM (_ULCAST_(1) << 31)
486
487 /* Bits specific to the R4xx0. */
488 #define R4K_CONF_SW (_ULCAST_(1) << 20)
489 #define R4K_CONF_SS (_ULCAST_(1) << 21)
490 #define R4K_CONF_SB (_ULCAST_(3) << 22)
491
492 /* Bits specific to the R5000. */
493 #define R5K_CONF_SE (_ULCAST_(1) << 12)
494 #define R5K_CONF_SS (_ULCAST_(3) << 20)
495
496 /* Bits specific to the RM7000. */
497 #define RM7K_CONF_SE (_ULCAST_(1) << 3)
498 #define RM7K_CONF_TE (_ULCAST_(1) << 12)
499 #define RM7K_CONF_CLK (_ULCAST_(1) << 16)
500 #define RM7K_CONF_TC (_ULCAST_(1) << 17)
501 #define RM7K_CONF_SI (_ULCAST_(3) << 20)
502 #define RM7K_CONF_SC (_ULCAST_(1) << 31)
503
504 /* Bits specific to the R10000. */
505 #define R10K_CONF_DN (_ULCAST_(3) << 3)
506 #define R10K_CONF_CT (_ULCAST_(1) << 5)
507 #define R10K_CONF_PE (_ULCAST_(1) << 6)
508 #define R10K_CONF_PM (_ULCAST_(3) << 7)
509 #define R10K_CONF_EC (_ULCAST_(15)<< 9)
510 #define R10K_CONF_SB (_ULCAST_(1) << 13)
511 #define R10K_CONF_SK (_ULCAST_(1) << 14)
512 #define R10K_CONF_SS (_ULCAST_(7) << 16)
513 #define R10K_CONF_SC (_ULCAST_(7) << 19)
514 #define R10K_CONF_DC (_ULCAST_(7) << 26)
515 #define R10K_CONF_IC (_ULCAST_(7) << 29)
516
517 /* Bits specific to the VR41xx. */
518 #define VR41_CONF_CS (_ULCAST_(1) << 12)
519 #define VR41_CONF_P4K (_ULCAST_(1) << 13)
520 #define VR41_CONF_BP (_ULCAST_(1) << 16)
521 #define VR41_CONF_M16 (_ULCAST_(1) << 20)
522 #define VR41_CONF_AD (_ULCAST_(1) << 23)
523
524 /* Bits specific to the R30xx. */
525 #define R30XX_CONF_FDM (_ULCAST_(1) << 19)
526 #define R30XX_CONF_REV (_ULCAST_(1) << 22)
527 #define R30XX_CONF_AC (_ULCAST_(1) << 23)
528 #define R30XX_CONF_RF (_ULCAST_(1) << 24)
529 #define R30XX_CONF_HALT (_ULCAST_(1) << 25)
530 #define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
531 #define R30XX_CONF_DBR (_ULCAST_(1) << 29)
532 #define R30XX_CONF_SB (_ULCAST_(1) << 30)
533 #define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
534
535 /* Bits specific to the TX49. */
536 #define TX49_CONF_DC (_ULCAST_(1) << 16)
537 #define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
538 #define TX49_CONF_HALT (_ULCAST_(1) << 18)
539 #define TX49_CONF_CWFON (_ULCAST_(1) << 27)
540
541 /* Bits specific to the MIPS32/64 PRA. */
542 #define MIPS_CONF_VI (_ULCAST_(1) << 3)
543 #define MIPS_CONF_MT (_ULCAST_(7) << 7)
544 #define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7)
545 #define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
546 #define MIPS_CONF_AR (_ULCAST_(7) << 10)
547 #define MIPS_CONF_AT (_ULCAST_(3) << 13)
548 #define MIPS_CONF_M (_ULCAST_(1) << 31)
549
550 /*
551 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
552 */
553 #define MIPS_CONF1_FP (_ULCAST_(1) << 0)
554 #define MIPS_CONF1_EP (_ULCAST_(1) << 1)
555 #define MIPS_CONF1_CA (_ULCAST_(1) << 2)
556 #define MIPS_CONF1_WR (_ULCAST_(1) << 3)
557 #define MIPS_CONF1_PC (_ULCAST_(1) << 4)
558 #define MIPS_CONF1_MD (_ULCAST_(1) << 5)
559 #define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
560 #define MIPS_CONF1_DA_SHF 7
561 #define MIPS_CONF1_DA_SZ 3
562 #define MIPS_CONF1_DA (_ULCAST_(7) << 7)
563 #define MIPS_CONF1_DL_SHF 10
564 #define MIPS_CONF1_DL_SZ 3
565 #define MIPS_CONF1_DL (_ULCAST_(7) << 10)
566 #define MIPS_CONF1_DS_SHF 13
567 #define MIPS_CONF1_DS_SZ 3
568 #define MIPS_CONF1_DS (_ULCAST_(7) << 13)
569 #define MIPS_CONF1_IA_SHF 16
570 #define MIPS_CONF1_IA_SZ 3
571 #define MIPS_CONF1_IA (_ULCAST_(7) << 16)
572 #define MIPS_CONF1_IL_SHF 19
573 #define MIPS_CONF1_IL_SZ 3
574 #define MIPS_CONF1_IL (_ULCAST_(7) << 19)
575 #define MIPS_CONF1_IS_SHF 22
576 #define MIPS_CONF1_IS_SZ 3
577 #define MIPS_CONF1_IS (_ULCAST_(7) << 22)
578 #define MIPS_CONF1_TLBS_SHIFT (25)
579 #define MIPS_CONF1_TLBS_SIZE (6)
580 #define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
581
582 #define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
583 #define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
584 #define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
585 #define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
586 #define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
587 #define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
588 #define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
589 #define MIPS_CONF2_TU (_ULCAST_(7) << 28)
590
591 #define MIPS_CONF3_TL (_ULCAST_(1) << 0)
592 #define MIPS_CONF3_SM (_ULCAST_(1) << 1)
593 #define MIPS_CONF3_MT (_ULCAST_(1) << 2)
594 #define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
595 #define MIPS_CONF3_SP (_ULCAST_(1) << 4)
596 #define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
597 #define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
598 #define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
599 #define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
600 #define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
601 #define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
602 #define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
603 #define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
604 #define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
605 #define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
606 #define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
607 #define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
608 #define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
609 #define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
610 #define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
611 #define MIPS_CONF3_PW (_ULCAST_(1) << 24)
612 #define MIPS_CONF3_SC (_ULCAST_(1) << 25)
613 #define MIPS_CONF3_BI (_ULCAST_(1) << 26)
614 #define MIPS_CONF3_BP (_ULCAST_(1) << 27)
615 #define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
616 #define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
617 #define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
618
619 #define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
620 #define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
621 #define MIPS_CONF4_FTLBSETS_SHIFT (0)
622 #define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
623 #define MIPS_CONF4_FTLBWAYS_SHIFT (4)
624 #define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
625 #define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
626 /* bits 10:8 in FTLB-only configurations */
627 #define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
628 /* bits 12:8 in VTLB-FTLB only configurations */
629 #define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
630 #define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
631 #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
632 #define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
633 #define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
634 #define MIPS_CONF4_KSCREXIST_SHIFT (16)
635 #define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT)
636 #define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
637 #define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
638 #define MIPS_CONF4_AE (_ULCAST_(1) << 28)
639 #define MIPS_CONF4_IE (_ULCAST_(3) << 29)
640 #define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
641
642 #define MIPS_CONF5_NF (_ULCAST_(1) << 0)
643 #define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
644 #define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
645 #define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
646 #define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
647 #define MIPS_CONF5_VP (_ULCAST_(1) << 7)
648 #define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
649 #define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
650 #define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
651 #define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
652 #define MIPS_CONF5_CV (_ULCAST_(1) << 29)
653 #define MIPS_CONF5_K (_ULCAST_(1) << 30)
654
655 #define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
656 /* proAptiv FTLB on/off bit */
657 #define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
658 /* Loongson-3 FTLB on/off bit */
659 #define MIPS_CONF6_FTLBDIS (_ULCAST_(1) << 22)
660 /* FTLB probability bits */
661 #define MIPS_CONF6_FTLBP_SHIFT (16)
662
663 #define MIPS_CONF7_WII (_ULCAST_(1) << 31)
664
665 #define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
666
667 #define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
668 #define MIPS_CONF7_AR (_ULCAST_(1) << 16)
669
670 /* WatchLo* register definitions */
671 #define MIPS_WATCHLO_IRW (_ULCAST_(0x7) << 0)
672
673 /* WatchHi* register definitions */
674 #define MIPS_WATCHHI_M (_ULCAST_(1) << 31)
675 #define MIPS_WATCHHI_G (_ULCAST_(1) << 30)
676 #define MIPS_WATCHHI_WM (_ULCAST_(0x3) << 28)
677 #define MIPS_WATCHHI_WM_R_RVA (_ULCAST_(0) << 28)
678 #define MIPS_WATCHHI_WM_R_GPA (_ULCAST_(1) << 28)
679 #define MIPS_WATCHHI_WM_G_GVA (_ULCAST_(2) << 28)
680 #define MIPS_WATCHHI_EAS (_ULCAST_(0x3) << 24)
681 #define MIPS_WATCHHI_ASID (_ULCAST_(0xff) << 16)
682 #define MIPS_WATCHHI_MASK (_ULCAST_(0x1ff) << 3)
683 #define MIPS_WATCHHI_I (_ULCAST_(1) << 2)
684 #define MIPS_WATCHHI_R (_ULCAST_(1) << 1)
685 #define MIPS_WATCHHI_W (_ULCAST_(1) << 0)
686 #define MIPS_WATCHHI_IRW (_ULCAST_(0x7) << 0)
687
688 /* MAAR bit definitions */
689 #define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
690 #define MIPS_MAAR_ADDR_SHIFT 12
691 #define MIPS_MAAR_S (_ULCAST_(1) << 1)
692 #define MIPS_MAAR_V (_ULCAST_(1) << 0)
693
694 /* EBase bit definitions */
695 #define MIPS_EBASE_CPUNUM_SHIFT 0
696 #define MIPS_EBASE_CPUNUM (_ULCAST_(0x3ff) << 0)
697 #define MIPS_EBASE_WG_SHIFT 11
698 #define MIPS_EBASE_WG (_ULCAST_(1) << 11)
699 #define MIPS_EBASE_BASE_SHIFT 12
700 #define MIPS_EBASE_BASE (~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1))
701
702 /* CMGCRBase bit definitions */
703 #define MIPS_CMGCRB_BASE 11
704 #define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
705
706 /*
707 * Bits in the MIPS32 Memory Segmentation registers.
708 */
709 #define MIPS_SEGCFG_PA_SHIFT 9
710 #define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
711 #define MIPS_SEGCFG_AM_SHIFT 4
712 #define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
713 #define MIPS_SEGCFG_EU_SHIFT 3
714 #define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
715 #define MIPS_SEGCFG_C_SHIFT 0
716 #define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
717
718 #define MIPS_SEGCFG_UUSK _ULCAST_(7)
719 #define MIPS_SEGCFG_USK _ULCAST_(5)
720 #define MIPS_SEGCFG_MUSUK _ULCAST_(4)
721 #define MIPS_SEGCFG_MUSK _ULCAST_(3)
722 #define MIPS_SEGCFG_MSK _ULCAST_(2)
723 #define MIPS_SEGCFG_MK _ULCAST_(1)
724 #define MIPS_SEGCFG_UK _ULCAST_(0)
725
726 #define MIPS_PWFIELD_GDI_SHIFT 24
727 #define MIPS_PWFIELD_GDI_MASK 0x3f000000
728 #define MIPS_PWFIELD_UDI_SHIFT 18
729 #define MIPS_PWFIELD_UDI_MASK 0x00fc0000
730 #define MIPS_PWFIELD_MDI_SHIFT 12
731 #define MIPS_PWFIELD_MDI_MASK 0x0003f000
732 #define MIPS_PWFIELD_PTI_SHIFT 6
733 #define MIPS_PWFIELD_PTI_MASK 0x00000fc0
734 #define MIPS_PWFIELD_PTEI_SHIFT 0
735 #define MIPS_PWFIELD_PTEI_MASK 0x0000003f
736
737 #define MIPS_PWSIZE_PS_SHIFT 30
738 #define MIPS_PWSIZE_PS_MASK 0x40000000
739 #define MIPS_PWSIZE_GDW_SHIFT 24
740 #define MIPS_PWSIZE_GDW_MASK 0x3f000000
741 #define MIPS_PWSIZE_UDW_SHIFT 18
742 #define MIPS_PWSIZE_UDW_MASK 0x00fc0000
743 #define MIPS_PWSIZE_MDW_SHIFT 12
744 #define MIPS_PWSIZE_MDW_MASK 0x0003f000
745 #define MIPS_PWSIZE_PTW_SHIFT 6
746 #define MIPS_PWSIZE_PTW_MASK 0x00000fc0
747 #define MIPS_PWSIZE_PTEW_SHIFT 0
748 #define MIPS_PWSIZE_PTEW_MASK 0x0000003f
749
750 #define MIPS_PWCTL_PWEN_SHIFT 31
751 #define MIPS_PWCTL_PWEN_MASK 0x80000000
752 #define MIPS_PWCTL_XK_SHIFT 28
753 #define MIPS_PWCTL_XK_MASK 0x10000000
754 #define MIPS_PWCTL_XS_SHIFT 27
755 #define MIPS_PWCTL_XS_MASK 0x08000000
756 #define MIPS_PWCTL_XU_SHIFT 26
757 #define MIPS_PWCTL_XU_MASK 0x04000000
758 #define MIPS_PWCTL_DPH_SHIFT 7
759 #define MIPS_PWCTL_DPH_MASK 0x00000080
760 #define MIPS_PWCTL_HUGEPG_SHIFT 6
761 #define MIPS_PWCTL_HUGEPG_MASK 0x00000060
762 #define MIPS_PWCTL_PSN_SHIFT 0
763 #define MIPS_PWCTL_PSN_MASK 0x0000003f
764
765 /* GuestCtl0 fields */
766 #define MIPS_GCTL0_GM_SHIFT 31
767 #define MIPS_GCTL0_GM (_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT)
768 #define MIPS_GCTL0_RI_SHIFT 30
769 #define MIPS_GCTL0_RI (_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT)
770 #define MIPS_GCTL0_MC_SHIFT 29
771 #define MIPS_GCTL0_MC (_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT)
772 #define MIPS_GCTL0_CP0_SHIFT 28
773 #define MIPS_GCTL0_CP0 (_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT)
774 #define MIPS_GCTL0_AT_SHIFT 26
775 #define MIPS_GCTL0_AT (_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT)
776 #define MIPS_GCTL0_GT_SHIFT 25
777 #define MIPS_GCTL0_GT (_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT)
778 #define MIPS_GCTL0_CG_SHIFT 24
779 #define MIPS_GCTL0_CG (_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT)
780 #define MIPS_GCTL0_CF_SHIFT 23
781 #define MIPS_GCTL0_CF (_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT)
782 #define MIPS_GCTL0_G1_SHIFT 22
783 #define MIPS_GCTL0_G1 (_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT)
784 #define MIPS_GCTL0_G0E_SHIFT 19
785 #define MIPS_GCTL0_G0E (_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT)
786 #define MIPS_GCTL0_PT_SHIFT 18
787 #define MIPS_GCTL0_PT (_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT)
788 #define MIPS_GCTL0_RAD_SHIFT 9
789 #define MIPS_GCTL0_RAD (_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT)
790 #define MIPS_GCTL0_DRG_SHIFT 8
791 #define MIPS_GCTL0_DRG (_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT)
792 #define MIPS_GCTL0_G2_SHIFT 7
793 #define MIPS_GCTL0_G2 (_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT)
794 #define MIPS_GCTL0_GEXC_SHIFT 2
795 #define MIPS_GCTL0_GEXC (_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT)
796 #define MIPS_GCTL0_SFC2_SHIFT 1
797 #define MIPS_GCTL0_SFC2 (_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT)
798 #define MIPS_GCTL0_SFC1_SHIFT 0
799 #define MIPS_GCTL0_SFC1 (_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT)
800
801 /* GuestCtl0.AT Guest address translation control */
802 #define MIPS_GCTL0_AT_ROOT 1 /* Guest MMU under Root control */
803 #define MIPS_GCTL0_AT_GUEST 3 /* Guest MMU under Guest control */
804
805 /* GuestCtl0.GExcCode Hypervisor exception cause codes */
806 #define MIPS_GCTL0_GEXC_GPSI 0 /* Guest Privileged Sensitive Instruction */
807 #define MIPS_GCTL0_GEXC_GSFC 1 /* Guest Software Field Change */
808 #define MIPS_GCTL0_GEXC_HC 2 /* Hypercall */
809 #define MIPS_GCTL0_GEXC_GRR 3 /* Guest Reserved Instruction Redirect */
810 #define MIPS_GCTL0_GEXC_GVA 8 /* Guest Virtual Address available */
811 #define MIPS_GCTL0_GEXC_GHFC 9 /* Guest Hardware Field Change */
812 #define MIPS_GCTL0_GEXC_GPA 10 /* Guest Physical Address available */
813
814 /* GuestCtl0Ext fields */
815 #define MIPS_GCTL0EXT_RPW_SHIFT 8
816 #define MIPS_GCTL0EXT_RPW (_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT)
817 #define MIPS_GCTL0EXT_NCC_SHIFT 6
818 #define MIPS_GCTL0EXT_NCC (_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT)
819 #define MIPS_GCTL0EXT_CGI_SHIFT 4
820 #define MIPS_GCTL0EXT_CGI (_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT)
821 #define MIPS_GCTL0EXT_FCD_SHIFT 3
822 #define MIPS_GCTL0EXT_FCD (_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT)
823 #define MIPS_GCTL0EXT_OG_SHIFT 2
824 #define MIPS_GCTL0EXT_OG (_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT)
825 #define MIPS_GCTL0EXT_BG_SHIFT 1
826 #define MIPS_GCTL0EXT_BG (_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT)
827 #define MIPS_GCTL0EXT_MG_SHIFT 0
828 #define MIPS_GCTL0EXT_MG (_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT)
829
830 /* GuestCtl0Ext.RPW Root page walk configuration */
831 #define MIPS_GCTL0EXT_RPW_BOTH 0 /* Root PW for GPA->RPA and RVA->RPA */
832 #define MIPS_GCTL0EXT_RPW_GPA 2 /* Root PW for GPA->RPA */
833 #define MIPS_GCTL0EXT_RPW_RVA 3 /* Root PW for RVA->RPA */
834
835 /* GuestCtl0Ext.NCC Nested cache coherency attributes */
836 #define MIPS_GCTL0EXT_NCC_IND 0 /* Guest CCA independent of Root CCA */
837 #define MIPS_GCTL0EXT_NCC_MOD 1 /* Guest CCA modified by Root CCA */
838
839 /* GuestCtl1 fields */
840 #define MIPS_GCTL1_ID_SHIFT 0
841 #define MIPS_GCTL1_ID_WIDTH 8
842 #define MIPS_GCTL1_ID (_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT)
843 #define MIPS_GCTL1_RID_SHIFT 16
844 #define MIPS_GCTL1_RID_WIDTH 8
845 #define MIPS_GCTL1_RID (_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT)
846 #define MIPS_GCTL1_EID_SHIFT 24
847 #define MIPS_GCTL1_EID_WIDTH 8
848 #define MIPS_GCTL1_EID (_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT)
849
850 /* GuestID reserved for root context */
851 #define MIPS_GCTL1_ROOT_GUESTID 0
852
853 /* CDMMBase register bit definitions */
854 #define MIPS_CDMMBASE_SIZE_SHIFT 0
855 #define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
856 #define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
857 #define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
858 #define MIPS_CDMMBASE_ADDR_SHIFT 11
859 #define MIPS_CDMMBASE_ADDR_START 15
860
861 /* RDHWR register numbers */
862 #define MIPS_HWR_CPUNUM 0 /* CPU number */
863 #define MIPS_HWR_SYNCISTEP 1 /* SYNCI step size */
864 #define MIPS_HWR_CC 2 /* Cycle counter */
865 #define MIPS_HWR_CCRES 3 /* Cycle counter resolution */
866 #define MIPS_HWR_ULR 29 /* UserLocal */
867 #define MIPS_HWR_IMPL1 30 /* Implementation dependent */
868 #define MIPS_HWR_IMPL2 31 /* Implementation dependent */
869
870 /* Bits in HWREna register */
871 #define MIPS_HWRENA_CPUNUM (_ULCAST_(1) << MIPS_HWR_CPUNUM)
872 #define MIPS_HWRENA_SYNCISTEP (_ULCAST_(1) << MIPS_HWR_SYNCISTEP)
873 #define MIPS_HWRENA_CC (_ULCAST_(1) << MIPS_HWR_CC)
874 #define MIPS_HWRENA_CCRES (_ULCAST_(1) << MIPS_HWR_CCRES)
875 #define MIPS_HWRENA_ULR (_ULCAST_(1) << MIPS_HWR_ULR)
876 #define MIPS_HWRENA_IMPL1 (_ULCAST_(1) << MIPS_HWR_IMPL1)
877 #define MIPS_HWRENA_IMPL2 (_ULCAST_(1) << MIPS_HWR_IMPL2)
878
879 /*
880 * Bitfields in the TX39 family CP0 Configuration Register 3
881 */
882 #define TX39_CONF_ICS_SHIFT 19
883 #define TX39_CONF_ICS_MASK 0x00380000
884 #define TX39_CONF_ICS_1KB 0x00000000
885 #define TX39_CONF_ICS_2KB 0x00080000
886 #define TX39_CONF_ICS_4KB 0x00100000
887 #define TX39_CONF_ICS_8KB 0x00180000
888 #define TX39_CONF_ICS_16KB 0x00200000
889
890 #define TX39_CONF_DCS_SHIFT 16
891 #define TX39_CONF_DCS_MASK 0x00070000
892 #define TX39_CONF_DCS_1KB 0x00000000
893 #define TX39_CONF_DCS_2KB 0x00010000
894 #define TX39_CONF_DCS_4KB 0x00020000
895 #define TX39_CONF_DCS_8KB 0x00030000
896 #define TX39_CONF_DCS_16KB 0x00040000
897
898 #define TX39_CONF_CWFON 0x00004000
899 #define TX39_CONF_WBON 0x00002000
900 #define TX39_CONF_RF_SHIFT 10
901 #define TX39_CONF_RF_MASK 0x00000c00
902 #define TX39_CONF_DOZE 0x00000200
903 #define TX39_CONF_HALT 0x00000100
904 #define TX39_CONF_LOCK 0x00000080
905 #define TX39_CONF_ICE 0x00000020
906 #define TX39_CONF_DCE 0x00000010
907 #define TX39_CONF_IRSIZE_SHIFT 2
908 #define TX39_CONF_IRSIZE_MASK 0x0000000c
909 #define TX39_CONF_DRSIZE_SHIFT 0
910 #define TX39_CONF_DRSIZE_MASK 0x00000003
911
912 /*
913 * Interesting Bits in the R10K CP0 Branch Diagnostic Register
914 */
915 /* Disable Branch Target Address Cache */
916 #define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27)
917 /* Enable Branch Prediction Global History */
918 #define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26)
919 /* Disable Branch Return Cache */
920 #define R10K_DIAG_D_BRC (_ULCAST_(1) << 22)
921
922 /* Flush ITLB */
923 #define LOONGSON_DIAG_ITLB (_ULCAST_(1) << 2)
924 /* Flush DTLB */
925 #define LOONGSON_DIAG_DTLB (_ULCAST_(1) << 3)
926 /* Flush VTLB */
927 #define LOONGSON_DIAG_VTLB (_ULCAST_(1) << 12)
928 /* Flush FTLB */
929 #define LOONGSON_DIAG_FTLB (_ULCAST_(1) << 13)
930
931 /*
932 * Coprocessor 1 (FPU) register names
933 */
934 #define CP1_REVISION $0
935 #define CP1_UFR $1
936 #define CP1_UNFR $4
937 #define CP1_FCCR $25
938 #define CP1_FEXR $26
939 #define CP1_FENR $28
940 #define CP1_STATUS $31
941
942
943 /*
944 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
945 */
946 #define MIPS_FPIR_S (_ULCAST_(1) << 16)
947 #define MIPS_FPIR_D (_ULCAST_(1) << 17)
948 #define MIPS_FPIR_PS (_ULCAST_(1) << 18)
949 #define MIPS_FPIR_3D (_ULCAST_(1) << 19)
950 #define MIPS_FPIR_W (_ULCAST_(1) << 20)
951 #define MIPS_FPIR_L (_ULCAST_(1) << 21)
952 #define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
953 #define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
954 #define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
955 #define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
956
957 /*
958 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
959 */
960 #define MIPS_FCCR_CONDX_S 0
961 #define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
962 #define MIPS_FCCR_COND0_S 0
963 #define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
964 #define MIPS_FCCR_COND1_S 1
965 #define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
966 #define MIPS_FCCR_COND2_S 2
967 #define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
968 #define MIPS_FCCR_COND3_S 3
969 #define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
970 #define MIPS_FCCR_COND4_S 4
971 #define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
972 #define MIPS_FCCR_COND5_S 5
973 #define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
974 #define MIPS_FCCR_COND6_S 6
975 #define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
976 #define MIPS_FCCR_COND7_S 7
977 #define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
978
979 /*
980 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
981 */
982 #define MIPS_FENR_FS_S 2
983 #define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
984
985 /*
986 * FPU Status Register Values
987 */
988 #define FPU_CSR_COND_S 23 /* $fcc0 */
989 #define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
990
991 #define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
992 #define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
993
994 #define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
995 #define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
996 #define FPU_CSR_COND1_S 25 /* $fcc1 */
997 #define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
998 #define FPU_CSR_COND2_S 26 /* $fcc2 */
999 #define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
1000 #define FPU_CSR_COND3_S 27 /* $fcc3 */
1001 #define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
1002 #define FPU_CSR_COND4_S 28 /* $fcc4 */
1003 #define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
1004 #define FPU_CSR_COND5_S 29 /* $fcc5 */
1005 #define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
1006 #define FPU_CSR_COND6_S 30 /* $fcc6 */
1007 #define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
1008 #define FPU_CSR_COND7_S 31 /* $fcc7 */
1009 #define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
1010
1011 /*
1012 * Bits 22:20 of the FPU Status Register will be read as 0,
1013 * and should be written as zero.
1014 */
1015 #define FPU_CSR_RSVD (_ULCAST_(7) << 20)
1016
1017 #define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
1018 #define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
1019
1020 /*
1021 * X the exception cause indicator
1022 * E the exception enable
1023 * S the sticky/flag bit
1024 */
1025 #define FPU_CSR_ALL_X 0x0003f000
1026 #define FPU_CSR_UNI_X 0x00020000
1027 #define FPU_CSR_INV_X 0x00010000
1028 #define FPU_CSR_DIV_X 0x00008000
1029 #define FPU_CSR_OVF_X 0x00004000
1030 #define FPU_CSR_UDF_X 0x00002000
1031 #define FPU_CSR_INE_X 0x00001000
1032
1033 #define FPU_CSR_ALL_E 0x00000f80
1034 #define FPU_CSR_INV_E 0x00000800
1035 #define FPU_CSR_DIV_E 0x00000400
1036 #define FPU_CSR_OVF_E 0x00000200
1037 #define FPU_CSR_UDF_E 0x00000100
1038 #define FPU_CSR_INE_E 0x00000080
1039
1040 #define FPU_CSR_ALL_S 0x0000007c
1041 #define FPU_CSR_INV_S 0x00000040
1042 #define FPU_CSR_DIV_S 0x00000020
1043 #define FPU_CSR_OVF_S 0x00000010
1044 #define FPU_CSR_UDF_S 0x00000008
1045 #define FPU_CSR_INE_S 0x00000004
1046
1047 /* Bits 0 and 1 of FPU Status Register specify the rounding mode */
1048 #define FPU_CSR_RM 0x00000003
1049 #define FPU_CSR_RN 0x0 /* nearest */
1050 #define FPU_CSR_RZ 0x1 /* towards zero */
1051 #define FPU_CSR_RU 0x2 /* towards +Infinity */
1052 #define FPU_CSR_RD 0x3 /* towards -Infinity */
1053
1054
1055 #ifndef __ASSEMBLY__
1056
1057 /*
1058 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
1059 */
1060 #if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
1061 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
1062 #define get_isa16_mode(x) ((x) & 0x1)
1063 #define msk_isa16_mode(x) ((x) & ~0x1)
1064 #define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
1065 #else
1066 #define get_isa16_mode(x) 0
1067 #define msk_isa16_mode(x) (x)
1068 #define set_isa16_mode(x) do { } while(0)
1069 #endif
1070
1071 /*
1072 * microMIPS instructions can be 16-bit or 32-bit in length. This
1073 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
1074 */
1075 static inline int mm_insn_16bit(u16 insn)
1076 {
1077 u16 opcode = (insn >> 10) & 0x7;
1078
1079 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
1080 }
1081
1082 /*
1083 * Helper macros for generating raw instruction encodings in inline asm.
1084 */
1085 #ifdef CONFIG_CPU_MICROMIPS
1086 #define _ASM_INSN16_IF_MM(_enc) \
1087 ".insn\n\t" \
1088 ".hword (" #_enc ")\n\t"
1089 #define _ASM_INSN32_IF_MM(_enc) \
1090 ".insn\n\t" \
1091 ".hword ((" #_enc ") >> 16)\n\t" \
1092 ".hword ((" #_enc ") & 0xffff)\n\t"
1093 #else
1094 #define _ASM_INSN_IF_MIPS(_enc) \
1095 ".insn\n\t" \
1096 ".word (" #_enc ")\n\t"
1097 #endif
1098
1099 #ifndef _ASM_INSN16_IF_MM
1100 #define _ASM_INSN16_IF_MM(_enc)
1101 #endif
1102 #ifndef _ASM_INSN32_IF_MM
1103 #define _ASM_INSN32_IF_MM(_enc)
1104 #endif
1105 #ifndef _ASM_INSN_IF_MIPS
1106 #define _ASM_INSN_IF_MIPS(_enc)
1107 #endif
1108
1109 /*
1110 * TLB Invalidate Flush
1111 */
1112 static inline void tlbinvf(void)
1113 {
1114 __asm__ __volatile__(
1115 ".set push\n\t"
1116 ".set noreorder\n\t"
1117 "# tlbinvf\n\t"
1118 _ASM_INSN_IF_MIPS(0x42000004)
1119 _ASM_INSN32_IF_MM(0x0000537c)
1120 ".set pop");
1121 }
1122
1123
1124 /*
1125 * Functions to access the R10000 performance counters. These are basically
1126 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
1127 * performance counter number encoded into bits 1 ... 5 of the instruction.
1128 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
1129 * disassembler these will look like an access to sel 0 or 1.
1130 */
1131 #define read_r10k_perf_cntr(counter) \
1132 ({ \
1133 unsigned int __res; \
1134 __asm__ __volatile__( \
1135 "mfpc\t%0, %1" \
1136 : "=r" (__res) \
1137 : "i" (counter)); \
1138 \
1139 __res; \
1140 })
1141
1142 #define write_r10k_perf_cntr(counter,val) \
1143 do { \
1144 __asm__ __volatile__( \
1145 "mtpc\t%0, %1" \
1146 : \
1147 : "r" (val), "i" (counter)); \
1148 } while (0)
1149
1150 #define read_r10k_perf_event(counter) \
1151 ({ \
1152 unsigned int __res; \
1153 __asm__ __volatile__( \
1154 "mfps\t%0, %1" \
1155 : "=r" (__res) \
1156 : "i" (counter)); \
1157 \
1158 __res; \
1159 })
1160
1161 #define write_r10k_perf_cntl(counter,val) \
1162 do { \
1163 __asm__ __volatile__( \
1164 "mtps\t%0, %1" \
1165 : \
1166 : "r" (val), "i" (counter)); \
1167 } while (0)
1168
1169
1170 /*
1171 * Macros to access the system control coprocessor
1172 */
1173
1174 #define __read_32bit_c0_register(source, sel) \
1175 ({ unsigned int __res; \
1176 if (sel == 0) \
1177 __asm__ __volatile__( \
1178 "mfc0\t%0, " #source "\n\t" \
1179 : "=r" (__res)); \
1180 else \
1181 __asm__ __volatile__( \
1182 ".set\tmips32\n\t" \
1183 "mfc0\t%0, " #source ", " #sel "\n\t" \
1184 ".set\tmips0\n\t" \
1185 : "=r" (__res)); \
1186 __res; \
1187 })
1188
1189 #define __read_64bit_c0_register(source, sel) \
1190 ({ unsigned long long __res; \
1191 if (sizeof(unsigned long) == 4) \
1192 __res = __read_64bit_c0_split(source, sel); \
1193 else if (sel == 0) \
1194 __asm__ __volatile__( \
1195 ".set\tmips3\n\t" \
1196 "dmfc0\t%0, " #source "\n\t" \
1197 ".set\tmips0" \
1198 : "=r" (__res)); \
1199 else \
1200 __asm__ __volatile__( \
1201 ".set\tmips64\n\t" \
1202 "dmfc0\t%0, " #source ", " #sel "\n\t" \
1203 ".set\tmips0" \
1204 : "=r" (__res)); \
1205 __res; \
1206 })
1207
1208 #define __write_32bit_c0_register(register, sel, value) \
1209 do { \
1210 if (sel == 0) \
1211 __asm__ __volatile__( \
1212 "mtc0\t%z0, " #register "\n\t" \
1213 : : "Jr" ((unsigned int)(value))); \
1214 else \
1215 __asm__ __volatile__( \
1216 ".set\tmips32\n\t" \
1217 "mtc0\t%z0, " #register ", " #sel "\n\t" \
1218 ".set\tmips0" \
1219 : : "Jr" ((unsigned int)(value))); \
1220 } while (0)
1221
1222 #define __write_64bit_c0_register(register, sel, value) \
1223 do { \
1224 if (sizeof(unsigned long) == 4) \
1225 __write_64bit_c0_split(register, sel, value); \
1226 else if (sel == 0) \
1227 __asm__ __volatile__( \
1228 ".set\tmips3\n\t" \
1229 "dmtc0\t%z0, " #register "\n\t" \
1230 ".set\tmips0" \
1231 : : "Jr" (value)); \
1232 else \
1233 __asm__ __volatile__( \
1234 ".set\tmips64\n\t" \
1235 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
1236 ".set\tmips0" \
1237 : : "Jr" (value)); \
1238 } while (0)
1239
1240 #define __read_ulong_c0_register(reg, sel) \
1241 ((sizeof(unsigned long) == 4) ? \
1242 (unsigned long) __read_32bit_c0_register(reg, sel) : \
1243 (unsigned long) __read_64bit_c0_register(reg, sel))
1244
1245 #define __write_ulong_c0_register(reg, sel, val) \
1246 do { \
1247 if (sizeof(unsigned long) == 4) \
1248 __write_32bit_c0_register(reg, sel, val); \
1249 else \
1250 __write_64bit_c0_register(reg, sel, val); \
1251 } while (0)
1252
1253 /*
1254 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1255 */
1256 #define __read_32bit_c0_ctrl_register(source) \
1257 ({ unsigned int __res; \
1258 __asm__ __volatile__( \
1259 "cfc0\t%0, " #source "\n\t" \
1260 : "=r" (__res)); \
1261 __res; \
1262 })
1263
1264 #define __write_32bit_c0_ctrl_register(register, value) \
1265 do { \
1266 __asm__ __volatile__( \
1267 "ctc0\t%z0, " #register "\n\t" \
1268 : : "Jr" ((unsigned int)(value))); \
1269 } while (0)
1270
1271 /*
1272 * These versions are only needed for systems with more than 38 bits of
1273 * physical address space running the 32-bit kernel. That's none atm :-)
1274 */
1275 #define __read_64bit_c0_split(source, sel) \
1276 ({ \
1277 unsigned long long __val; \
1278 unsigned long __flags; \
1279 \
1280 local_irq_save(__flags); \
1281 if (sel == 0) \
1282 __asm__ __volatile__( \
1283 ".set\tmips64\n\t" \
1284 "dmfc0\t%M0, " #source "\n\t" \
1285 "dsll\t%L0, %M0, 32\n\t" \
1286 "dsra\t%M0, %M0, 32\n\t" \
1287 "dsra\t%L0, %L0, 32\n\t" \
1288 ".set\tmips0" \
1289 : "=r" (__val)); \
1290 else \
1291 __asm__ __volatile__( \
1292 ".set\tmips64\n\t" \
1293 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1294 "dsll\t%L0, %M0, 32\n\t" \
1295 "dsra\t%M0, %M0, 32\n\t" \
1296 "dsra\t%L0, %L0, 32\n\t" \
1297 ".set\tmips0" \
1298 : "=r" (__val)); \
1299 local_irq_restore(__flags); \
1300 \
1301 __val; \
1302 })
1303
1304 #define __write_64bit_c0_split(source, sel, val) \
1305 do { \
1306 unsigned long __flags; \
1307 \
1308 local_irq_save(__flags); \
1309 if (sel == 0) \
1310 __asm__ __volatile__( \
1311 ".set\tmips64\n\t" \
1312 "dsll\t%L0, %L0, 32\n\t" \
1313 "dsrl\t%L0, %L0, 32\n\t" \
1314 "dsll\t%M0, %M0, 32\n\t" \
1315 "or\t%L0, %L0, %M0\n\t" \
1316 "dmtc0\t%L0, " #source "\n\t" \
1317 ".set\tmips0" \
1318 : : "r" (val)); \
1319 else \
1320 __asm__ __volatile__( \
1321 ".set\tmips64\n\t" \
1322 "dsll\t%L0, %L0, 32\n\t" \
1323 "dsrl\t%L0, %L0, 32\n\t" \
1324 "dsll\t%M0, %M0, 32\n\t" \
1325 "or\t%L0, %L0, %M0\n\t" \
1326 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1327 ".set\tmips0" \
1328 : : "r" (val)); \
1329 local_irq_restore(__flags); \
1330 } while (0)
1331
1332 #define __readx_32bit_c0_register(source) \
1333 ({ \
1334 unsigned int __res; \
1335 \
1336 __asm__ __volatile__( \
1337 " .set push \n" \
1338 " .set noat \n" \
1339 " .set mips32r2 \n" \
1340 " # mfhc0 $1, %1 \n" \
1341 _ASM_INSN_IF_MIPS(0x40410000 | ((%1 & 0x1f) << 11)) \
1342 _ASM_INSN32_IF_MM(0x002000f4 | ((%1 & 0x1f) << 16)) \
1343 " move %0, $1 \n" \
1344 " .set pop \n" \
1345 : "=r" (__res) \
1346 : "i" (source)); \
1347 __res; \
1348 })
1349
1350 #define __writex_32bit_c0_register(register, value) \
1351 do { \
1352 __asm__ __volatile__( \
1353 " .set push \n" \
1354 " .set noat \n" \
1355 " .set mips32r2 \n" \
1356 " move $1, %0 \n" \
1357 " # mthc0 $1, %1 \n" \
1358 _ASM_INSN_IF_MIPS(0x40c10000 | ((%1 & 0x1f) << 11)) \
1359 _ASM_INSN32_IF_MM(0x002002f4 | ((%1 & 0x1f) << 16)) \
1360 " .set pop \n" \
1361 : \
1362 : "r" (value), "i" (register)); \
1363 } while (0)
1364
1365 #define read_c0_index() __read_32bit_c0_register($0, 0)
1366 #define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1367
1368 #define read_c0_random() __read_32bit_c0_register($1, 0)
1369 #define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1370
1371 #define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1372 #define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1373
1374 #define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1375 #define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1376
1377 #define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1378 #define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1379
1380 #define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1381 #define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1382
1383 #define read_c0_conf() __read_32bit_c0_register($3, 0)
1384 #define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1385
1386 #define read_c0_context() __read_ulong_c0_register($4, 0)
1387 #define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1388
1389 #define read_c0_contextconfig() __read_32bit_c0_register($4, 1)
1390 #define write_c0_contextconfig(val) __write_32bit_c0_register($4, 1, val)
1391
1392 #define read_c0_userlocal() __read_ulong_c0_register($4, 2)
1393 #define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
1394
1395 #define read_c0_xcontextconfig() __read_ulong_c0_register($4, 3)
1396 #define write_c0_xcontextconfig(val) __write_ulong_c0_register($4, 3, val)
1397
1398 #define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1399 #define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1400
1401 #define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
1402 #define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
1403
1404 #define read_c0_wired() __read_32bit_c0_register($6, 0)
1405 #define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1406
1407 #define read_c0_info() __read_32bit_c0_register($7, 0)
1408
1409 #define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1410 #define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1411
1412 #define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1413 #define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1414
1415 #define read_c0_badinstr() __read_32bit_c0_register($8, 1)
1416 #define read_c0_badinstrp() __read_32bit_c0_register($8, 2)
1417
1418 #define read_c0_count() __read_32bit_c0_register($9, 0)
1419 #define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1420
1421 #define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1422 #define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1423
1424 #define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1425 #define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1426
1427 #define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1428 #define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1429
1430 #define read_c0_guestctl1() __read_32bit_c0_register($10, 4)
1431 #define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val)
1432
1433 #define read_c0_guestctl2() __read_32bit_c0_register($10, 5)
1434 #define write_c0_guestctl2(val) __write_32bit_c0_register($10, 5, val)
1435
1436 #define read_c0_guestctl3() __read_32bit_c0_register($10, 6)
1437 #define write_c0_guestctl3(val) __write_32bit_c0_register($10, 6, val)
1438
1439 #define read_c0_compare() __read_32bit_c0_register($11, 0)
1440 #define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1441
1442 #define read_c0_guestctl0ext() __read_32bit_c0_register($11, 4)
1443 #define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val)
1444
1445 #define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1446 #define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1447
1448 #define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1449 #define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1450
1451 #define read_c0_status() __read_32bit_c0_register($12, 0)
1452
1453 #define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1454
1455 #define read_c0_guestctl0() __read_32bit_c0_register($12, 6)
1456 #define write_c0_guestctl0(val) __write_32bit_c0_register($12, 6, val)
1457
1458 #define read_c0_gtoffset() __read_32bit_c0_register($12, 7)
1459 #define write_c0_gtoffset(val) __write_32bit_c0_register($12, 7, val)
1460
1461 #define read_c0_cause() __read_32bit_c0_register($13, 0)
1462 #define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1463
1464 #define read_c0_epc() __read_ulong_c0_register($14, 0)
1465 #define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1466
1467 #define read_c0_prid() __read_32bit_c0_register($15, 0)
1468
1469 #define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1470
1471 #define read_c0_config() __read_32bit_c0_register($16, 0)
1472 #define read_c0_config1() __read_32bit_c0_register($16, 1)
1473 #define read_c0_config2() __read_32bit_c0_register($16, 2)
1474 #define read_c0_config3() __read_32bit_c0_register($16, 3)
1475 #define read_c0_config4() __read_32bit_c0_register($16, 4)
1476 #define read_c0_config5() __read_32bit_c0_register($16, 5)
1477 #define read_c0_config6() __read_32bit_c0_register($16, 6)
1478 #define read_c0_config7() __read_32bit_c0_register($16, 7)
1479 #define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1480 #define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1481 #define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1482 #define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
1483 #define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1484 #define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1485 #define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1486 #define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1487
1488 #define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1489 #define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
1490 #define read_c0_maar() __read_ulong_c0_register($17, 1)
1491 #define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1492 #define read_c0_maari() __read_32bit_c0_register($17, 2)
1493 #define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1494
1495 /*
1496 * The WatchLo register. There may be up to 8 of them.
1497 */
1498 #define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1499 #define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1500 #define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1501 #define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1502 #define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1503 #define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1504 #define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1505 #define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1506 #define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1507 #define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1508 #define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1509 #define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1510 #define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1511 #define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1512 #define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1513 #define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1514
1515 /*
1516 * The WatchHi register. There may be up to 8 of them.
1517 */
1518 #define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1519 #define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1520 #define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1521 #define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1522 #define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1523 #define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1524 #define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1525 #define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1526
1527 #define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1528 #define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1529 #define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1530 #define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1531 #define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1532 #define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1533 #define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1534 #define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1535
1536 #define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1537 #define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1538
1539 #define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1540 #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1541
1542 #define read_c0_framemask() __read_32bit_c0_register($21, 0)
1543 #define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1544
1545 #define read_c0_diag() __read_32bit_c0_register($22, 0)
1546 #define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1547
1548 /* R10K CP0 Branch Diagnostic register is 64bits wide */
1549 #define read_c0_r10k_diag() __read_64bit_c0_register($22, 0)
1550 #define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1551
1552 #define read_c0_diag1() __read_32bit_c0_register($22, 1)
1553 #define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1554
1555 #define read_c0_diag2() __read_32bit_c0_register($22, 2)
1556 #define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1557
1558 #define read_c0_diag3() __read_32bit_c0_register($22, 3)
1559 #define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1560
1561 #define read_c0_diag4() __read_32bit_c0_register($22, 4)
1562 #define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1563
1564 #define read_c0_diag5() __read_32bit_c0_register($22, 5)
1565 #define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1566
1567 #define read_c0_debug() __read_32bit_c0_register($23, 0)
1568 #define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1569
1570 #define read_c0_depc() __read_ulong_c0_register($24, 0)
1571 #define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1572
1573 /*
1574 * MIPS32 / MIPS64 performance counters
1575 */
1576 #define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
1577 #define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1578 #define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
1579 #define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
1580 #define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1581 #define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1582 #define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
1583 #define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1584 #define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
1585 #define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
1586 #define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1587 #define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1588 #define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
1589 #define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1590 #define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
1591 #define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
1592 #define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1593 #define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1594 #define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
1595 #define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1596 #define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
1597 #define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
1598 #define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1599 #define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1600
1601 #define read_c0_ecc() __read_32bit_c0_register($26, 0)
1602 #define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1603
1604 #define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
1605 #define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1606
1607 #define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1608
1609 #define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
1610 #define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1611
1612 #define read_c0_taglo() __read_32bit_c0_register($28, 0)
1613 #define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1614
1615 #define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1616 #define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1617
1618 #define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1619 #define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1620
1621 #define read_c0_staglo() __read_32bit_c0_register($28, 4)
1622 #define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1623
1624 #define read_c0_taghi() __read_32bit_c0_register($29, 0)
1625 #define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1626
1627 #define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1628 #define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1629
1630 /* MIPSR2 */
1631 #define read_c0_hwrena() __read_32bit_c0_register($7, 0)
1632 #define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1633
1634 #define read_c0_intctl() __read_32bit_c0_register($12, 1)
1635 #define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1636
1637 #define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1638 #define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1639
1640 #define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1641 #define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1642
1643 #define read_c0_ebase() __read_32bit_c0_register($15, 1)
1644 #define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1645
1646 #define read_c0_ebase_64() __read_64bit_c0_register($15, 1)
1647 #define write_c0_ebase_64(val) __write_64bit_c0_register($15, 1, val)
1648
1649 #define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1650 #define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1651
1652 /* MIPSR3 */
1653 #define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1654 #define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1655
1656 #define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1657 #define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1658
1659 #define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1660 #define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
1661
1662 /* Hardware Page Table Walker */
1663 #define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1664 #define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1665
1666 #define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1667 #define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1668
1669 #define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1670 #define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1671
1672 #define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1673 #define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1674
1675 #define read_c0_pgd() __read_64bit_c0_register($9, 7)
1676 #define write_c0_pgd(val) __write_64bit_c0_register($9, 7, val)
1677
1678 #define read_c0_kpgd() __read_64bit_c0_register($31, 7)
1679 #define write_c0_kpgd(val) __write_64bit_c0_register($31, 7, val)
1680
1681 /* Cavium OCTEON (cnMIPS) */
1682 #define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1683 #define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1684
1685 #define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1686 #define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1687
1688 #define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
1689 #define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
1690 /*
1691 * The cacheerr registers are not standardized. On OCTEON, they are
1692 * 64 bits wide.
1693 */
1694 #define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1695 #define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1696
1697 #define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1698 #define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1699
1700 /* BMIPS3300 */
1701 #define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1702 #define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1703
1704 #define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1705 #define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1706
1707 #define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1708 #define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1709
1710 /* BMIPS43xx */
1711 #define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1712 #define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1713
1714 #define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1715 #define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1716
1717 #define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1718 #define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1719
1720 #define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1721 #define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1722
1723 #define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1724 #define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1725
1726 /* BMIPS5000 */
1727 #define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1728 #define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1729
1730 #define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1731 #define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1732
1733 #define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1734 #define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1735
1736 #define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1737 #define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1738
1739 #define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1740 #define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1741
1742 #define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1743 #define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1744
1745 /*
1746 * Macros to access the guest system control coprocessor
1747 */
1748
1749 #ifdef TOOLCHAIN_SUPPORTS_VIRT
1750
1751 #define __read_32bit_gc0_register(source, sel) \
1752 ({ int __res; \
1753 __asm__ __volatile__( \
1754 ".set\tpush\n\t" \
1755 ".set\tmips32r2\n\t" \
1756 ".set\tvirt\n\t" \
1757 "mfgc0\t%0, $%1, %2\n\t" \
1758 ".set\tpop" \
1759 : "=r" (__res) \
1760 : "i" (source), "i" (sel)); \
1761 __res; \
1762 })
1763
1764 #define __read_64bit_gc0_register(source, sel) \
1765 ({ unsigned long long __res; \
1766 __asm__ __volatile__( \
1767 ".set\tpush\n\t" \
1768 ".set\tmips64r2\n\t" \
1769 ".set\tvirt\n\t" \
1770 "dmfgc0\t%0, $%1, %2\n\t" \
1771 ".set\tpop" \
1772 : "=r" (__res) \
1773 : "i" (source), "i" (sel)); \
1774 __res; \
1775 })
1776
1777 #define __write_32bit_gc0_register(register, sel, value) \
1778 do { \
1779 __asm__ __volatile__( \
1780 ".set\tpush\n\t" \
1781 ".set\tmips32r2\n\t" \
1782 ".set\tvirt\n\t" \
1783 "mtgc0\t%z0, $%1, %2\n\t" \
1784 ".set\tpop" \
1785 : : "Jr" ((unsigned int)(value)), \
1786 "i" (register), "i" (sel)); \
1787 } while (0)
1788
1789 #define __write_64bit_gc0_register(register, sel, value) \
1790 do { \
1791 __asm__ __volatile__( \
1792 ".set\tpush\n\t" \
1793 ".set\tmips64r2\n\t" \
1794 ".set\tvirt\n\t" \
1795 "dmtgc0\t%z0, $%1, %2\n\t" \
1796 ".set\tpop" \
1797 : : "Jr" (value), \
1798 "i" (register), "i" (sel)); \
1799 } while (0)
1800
1801 #else /* TOOLCHAIN_SUPPORTS_VIRT */
1802
1803 #define __read_32bit_gc0_register(source, sel) \
1804 ({ int __res; \
1805 __asm__ __volatile__( \
1806 ".set\tpush\n\t" \
1807 ".set\tnoat\n\t" \
1808 "# mfgc0\t$1, $%1, %2\n\t" \
1809 _ASM_INSN_IF_MIPS(0x40610000 | %1 << 11 | %2) \
1810 _ASM_INSN32_IF_MM(0x002004fc | %1 << 16 | %2 << 11) \
1811 "move\t%0, $1\n\t" \
1812 ".set\tpop" \
1813 : "=r" (__res) \
1814 : "i" (source), "i" (sel)); \
1815 __res; \
1816 })
1817
1818 #define __read_64bit_gc0_register(source, sel) \
1819 ({ unsigned long long __res; \
1820 __asm__ __volatile__( \
1821 ".set\tpush\n\t" \
1822 ".set\tnoat\n\t" \
1823 "# dmfgc0\t$1, $%1, %2\n\t" \
1824 _ASM_INSN_IF_MIPS(0x40610100 | %1 << 11 | %2) \
1825 _ASM_INSN32_IF_MM(0x582004fc | %1 << 16 | %2 << 11) \
1826 "move\t%0, $1\n\t" \
1827 ".set\tpop" \
1828 : "=r" (__res) \
1829 : "i" (source), "i" (sel)); \
1830 __res; \
1831 })
1832
1833 #define __write_32bit_gc0_register(register, sel, value) \
1834 do { \
1835 __asm__ __volatile__( \
1836 ".set\tpush\n\t" \
1837 ".set\tnoat\n\t" \
1838 "move\t$1, %z0\n\t" \
1839 "# mtgc0\t$1, $%1, %2\n\t" \
1840 _ASM_INSN_IF_MIPS(0x40610200 | %1 << 11 | %2) \
1841 _ASM_INSN32_IF_MM(0x002006fc | %1 << 16 | %2 << 11) \
1842 ".set\tpop" \
1843 : : "Jr" ((unsigned int)(value)), \
1844 "i" (register), "i" (sel)); \
1845 } while (0)
1846
1847 #define __write_64bit_gc0_register(register, sel, value) \
1848 do { \
1849 __asm__ __volatile__( \
1850 ".set\tpush\n\t" \
1851 ".set\tnoat\n\t" \
1852 "move\t$1, %z0\n\t" \
1853 "# dmtgc0\t$1, $%1, %2\n\t" \
1854 _ASM_INSN_IF_MIPS(0x40610300 | %1 << 11 | %2) \
1855 _ASM_INSN32_IF_MM(0x582006fc | %1 << 16 | %2 << 11) \
1856 ".set\tpop" \
1857 : : "Jr" (value), \
1858 "i" (register), "i" (sel)); \
1859 } while (0)
1860
1861 #endif /* !TOOLCHAIN_SUPPORTS_VIRT */
1862
1863 #define __read_ulong_gc0_register(reg, sel) \
1864 ((sizeof(unsigned long) == 4) ? \
1865 (unsigned long) __read_32bit_gc0_register(reg, sel) : \
1866 (unsigned long) __read_64bit_gc0_register(reg, sel))
1867
1868 #define __write_ulong_gc0_register(reg, sel, val) \
1869 do { \
1870 if (sizeof(unsigned long) == 4) \
1871 __write_32bit_gc0_register(reg, sel, val); \
1872 else \
1873 __write_64bit_gc0_register(reg, sel, val); \
1874 } while (0)
1875
1876 #define read_gc0_index() __read_32bit_gc0_register(0, 0)
1877 #define write_gc0_index(val) __write_32bit_gc0_register(0, 0, val)
1878
1879 #define read_gc0_entrylo0() __read_ulong_gc0_register(2, 0)
1880 #define write_gc0_entrylo0(val) __write_ulong_gc0_register(2, 0, val)
1881
1882 #define read_gc0_entrylo1() __read_ulong_gc0_register(3, 0)
1883 #define write_gc0_entrylo1(val) __write_ulong_gc0_register(3, 0, val)
1884
1885 #define read_gc0_context() __read_ulong_gc0_register(4, 0)
1886 #define write_gc0_context(val) __write_ulong_gc0_register(4, 0, val)
1887
1888 #define read_gc0_contextconfig() __read_32bit_gc0_register(4, 1)
1889 #define write_gc0_contextconfig(val) __write_32bit_gc0_register(4, 1, val)
1890
1891 #define read_gc0_userlocal() __read_ulong_gc0_register(4, 2)
1892 #define write_gc0_userlocal(val) __write_ulong_gc0_register(4, 2, val)
1893
1894 #define read_gc0_xcontextconfig() __read_ulong_gc0_register(4, 3)
1895 #define write_gc0_xcontextconfig(val) __write_ulong_gc0_register(4, 3, val)
1896
1897 #define read_gc0_pagemask() __read_32bit_gc0_register(5, 0)
1898 #define write_gc0_pagemask(val) __write_32bit_gc0_register(5, 0, val)
1899
1900 #define read_gc0_pagegrain() __read_32bit_gc0_register(5, 1)
1901 #define write_gc0_pagegrain(val) __write_32bit_gc0_register(5, 1, val)
1902
1903 #define read_gc0_segctl0() __read_ulong_gc0_register(5, 2)
1904 #define write_gc0_segctl0(val) __write_ulong_gc0_register(5, 2, val)
1905
1906 #define read_gc0_segctl1() __read_ulong_gc0_register(5, 3)
1907 #define write_gc0_segctl1(val) __write_ulong_gc0_register(5, 3, val)
1908
1909 #define read_gc0_segctl2() __read_ulong_gc0_register(5, 4)
1910 #define write_gc0_segctl2(val) __write_ulong_gc0_register(5, 4, val)
1911
1912 #define read_gc0_pwbase() __read_ulong_gc0_register(5, 5)
1913 #define write_gc0_pwbase(val) __write_ulong_gc0_register(5, 5, val)
1914
1915 #define read_gc0_pwfield() __read_ulong_gc0_register(5, 6)
1916 #define write_gc0_pwfield(val) __write_ulong_gc0_register(5, 6, val)
1917
1918 #define read_gc0_pwsize() __read_ulong_gc0_register(5, 7)
1919 #define write_gc0_pwsize(val) __write_ulong_gc0_register(5, 7, val)
1920
1921 #define read_gc0_wired() __read_32bit_gc0_register(6, 0)
1922 #define write_gc0_wired(val) __write_32bit_gc0_register(6, 0, val)
1923
1924 #define read_gc0_pwctl() __read_32bit_gc0_register(6, 6)
1925 #define write_gc0_pwctl(val) __write_32bit_gc0_register(6, 6, val)
1926
1927 #define read_gc0_hwrena() __read_32bit_gc0_register(7, 0)
1928 #define write_gc0_hwrena(val) __write_32bit_gc0_register(7, 0, val)
1929
1930 #define read_gc0_badvaddr() __read_ulong_gc0_register(8, 0)
1931 #define write_gc0_badvaddr(val) __write_ulong_gc0_register(8, 0, val)
1932
1933 #define read_gc0_badinstr() __read_32bit_gc0_register(8, 1)
1934 #define write_gc0_badinstr(val) __write_32bit_gc0_register(8, 1, val)
1935
1936 #define read_gc0_badinstrp() __read_32bit_gc0_register(8, 2)
1937 #define write_gc0_badinstrp(val) __write_32bit_gc0_register(8, 2, val)
1938
1939 #define read_gc0_count() __read_32bit_gc0_register(9, 0)
1940
1941 #define read_gc0_entryhi() __read_ulong_gc0_register(10, 0)
1942 #define write_gc0_entryhi(val) __write_ulong_gc0_register(10, 0, val)
1943
1944 #define read_gc0_compare() __read_32bit_gc0_register(11, 0)
1945 #define write_gc0_compare(val) __write_32bit_gc0_register(11, 0, val)
1946
1947 #define read_gc0_status() __read_32bit_gc0_register(12, 0)
1948 #define write_gc0_status(val) __write_32bit_gc0_register(12, 0, val)
1949
1950 #define read_gc0_intctl() __read_32bit_gc0_register(12, 1)
1951 #define write_gc0_intctl(val) __write_32bit_gc0_register(12, 1, val)
1952
1953 #define read_gc0_cause() __read_32bit_gc0_register(13, 0)
1954 #define write_gc0_cause(val) __write_32bit_gc0_register(13, 0, val)
1955
1956 #define read_gc0_epc() __read_ulong_gc0_register(14, 0)
1957 #define write_gc0_epc(val) __write_ulong_gc0_register(14, 0, val)
1958
1959 #define read_gc0_ebase() __read_32bit_gc0_register(15, 1)
1960 #define write_gc0_ebase(val) __write_32bit_gc0_register(15, 1, val)
1961
1962 #define read_gc0_ebase_64() __read_64bit_gc0_register(15, 1)
1963 #define write_gc0_ebase_64(val) __write_64bit_gc0_register(15, 1, val)
1964
1965 #define read_gc0_config() __read_32bit_gc0_register(16, 0)
1966 #define read_gc0_config1() __read_32bit_gc0_register(16, 1)
1967 #define read_gc0_config2() __read_32bit_gc0_register(16, 2)
1968 #define read_gc0_config3() __read_32bit_gc0_register(16, 3)
1969 #define read_gc0_config4() __read_32bit_gc0_register(16, 4)
1970 #define read_gc0_config5() __read_32bit_gc0_register(16, 5)
1971 #define read_gc0_config6() __read_32bit_gc0_register(16, 6)
1972 #define read_gc0_config7() __read_32bit_gc0_register(16, 7)
1973 #define write_gc0_config(val) __write_32bit_gc0_register(16, 0, val)
1974 #define write_gc0_config1(val) __write_32bit_gc0_register(16, 1, val)
1975 #define write_gc0_config2(val) __write_32bit_gc0_register(16, 2, val)
1976 #define write_gc0_config3(val) __write_32bit_gc0_register(16, 3, val)
1977 #define write_gc0_config4(val) __write_32bit_gc0_register(16, 4, val)
1978 #define write_gc0_config5(val) __write_32bit_gc0_register(16, 5, val)
1979 #define write_gc0_config6(val) __write_32bit_gc0_register(16, 6, val)
1980 #define write_gc0_config7(val) __write_32bit_gc0_register(16, 7, val)
1981
1982 #define read_gc0_watchlo0() __read_ulong_gc0_register(18, 0)
1983 #define read_gc0_watchlo1() __read_ulong_gc0_register(18, 1)
1984 #define read_gc0_watchlo2() __read_ulong_gc0_register(18, 2)
1985 #define read_gc0_watchlo3() __read_ulong_gc0_register(18, 3)
1986 #define read_gc0_watchlo4() __read_ulong_gc0_register(18, 4)
1987 #define read_gc0_watchlo5() __read_ulong_gc0_register(18, 5)
1988 #define read_gc0_watchlo6() __read_ulong_gc0_register(18, 6)
1989 #define read_gc0_watchlo7() __read_ulong_gc0_register(18, 7)
1990 #define write_gc0_watchlo0(val) __write_ulong_gc0_register(18, 0, val)
1991 #define write_gc0_watchlo1(val) __write_ulong_gc0_register(18, 1, val)
1992 #define write_gc0_watchlo2(val) __write_ulong_gc0_register(18, 2, val)
1993 #define write_gc0_watchlo3(val) __write_ulong_gc0_register(18, 3, val)
1994 #define write_gc0_watchlo4(val) __write_ulong_gc0_register(18, 4, val)
1995 #define write_gc0_watchlo5(val) __write_ulong_gc0_register(18, 5, val)
1996 #define write_gc0_watchlo6(val) __write_ulong_gc0_register(18, 6, val)
1997 #define write_gc0_watchlo7(val) __write_ulong_gc0_register(18, 7, val)
1998
1999 #define read_gc0_watchhi0() __read_32bit_gc0_register(19, 0)
2000 #define read_gc0_watchhi1() __read_32bit_gc0_register(19, 1)
2001 #define read_gc0_watchhi2() __read_32bit_gc0_register(19, 2)
2002 #define read_gc0_watchhi3() __read_32bit_gc0_register(19, 3)
2003 #define read_gc0_watchhi4() __read_32bit_gc0_register(19, 4)
2004 #define read_gc0_watchhi5() __read_32bit_gc0_register(19, 5)
2005 #define read_gc0_watchhi6() __read_32bit_gc0_register(19, 6)
2006 #define read_gc0_watchhi7() __read_32bit_gc0_register(19, 7)
2007 #define write_gc0_watchhi0(val) __write_32bit_gc0_register(19, 0, val)
2008 #define write_gc0_watchhi1(val) __write_32bit_gc0_register(19, 1, val)
2009 #define write_gc0_watchhi2(val) __write_32bit_gc0_register(19, 2, val)
2010 #define write_gc0_watchhi3(val) __write_32bit_gc0_register(19, 3, val)
2011 #define write_gc0_watchhi4(val) __write_32bit_gc0_register(19, 4, val)
2012 #define write_gc0_watchhi5(val) __write_32bit_gc0_register(19, 5, val)
2013 #define write_gc0_watchhi6(val) __write_32bit_gc0_register(19, 6, val)
2014 #define write_gc0_watchhi7(val) __write_32bit_gc0_register(19, 7, val)
2015
2016 #define read_gc0_xcontext() __read_ulong_gc0_register(20, 0)
2017 #define write_gc0_xcontext(val) __write_ulong_gc0_register(20, 0, val)
2018
2019 #define read_gc0_perfctrl0() __read_32bit_gc0_register(25, 0)
2020 #define write_gc0_perfctrl0(val) __write_32bit_gc0_register(25, 0, val)
2021 #define read_gc0_perfcntr0() __read_32bit_gc0_register(25, 1)
2022 #define write_gc0_perfcntr0(val) __write_32bit_gc0_register(25, 1, val)
2023 #define read_gc0_perfcntr0_64() __read_64bit_gc0_register(25, 1)
2024 #define write_gc0_perfcntr0_64(val) __write_64bit_gc0_register(25, 1, val)
2025 #define read_gc0_perfctrl1() __read_32bit_gc0_register(25, 2)
2026 #define write_gc0_perfctrl1(val) __write_32bit_gc0_register(25, 2, val)
2027 #define read_gc0_perfcntr1() __read_32bit_gc0_register(25, 3)
2028 #define write_gc0_perfcntr1(val) __write_32bit_gc0_register(25, 3, val)
2029 #define read_gc0_perfcntr1_64() __read_64bit_gc0_register(25, 3)
2030 #define write_gc0_perfcntr1_64(val) __write_64bit_gc0_register(25, 3, val)
2031 #define read_gc0_perfctrl2() __read_32bit_gc0_register(25, 4)
2032 #define write_gc0_perfctrl2(val) __write_32bit_gc0_register(25, 4, val)
2033 #define read_gc0_perfcntr2() __read_32bit_gc0_register(25, 5)
2034 #define write_gc0_perfcntr2(val) __write_32bit_gc0_register(25, 5, val)
2035 #define read_gc0_perfcntr2_64() __read_64bit_gc0_register(25, 5)
2036 #define write_gc0_perfcntr2_64(val) __write_64bit_gc0_register(25, 5, val)
2037 #define read_gc0_perfctrl3() __read_32bit_gc0_register(25, 6)
2038 #define write_gc0_perfctrl3(val) __write_32bit_gc0_register(25, 6, val)
2039 #define read_gc0_perfcntr3() __read_32bit_gc0_register(25, 7)
2040 #define write_gc0_perfcntr3(val) __write_32bit_gc0_register(25, 7, val)
2041 #define read_gc0_perfcntr3_64() __read_64bit_gc0_register(25, 7)
2042 #define write_gc0_perfcntr3_64(val) __write_64bit_gc0_register(25, 7, val)
2043
2044 #define read_gc0_errorepc() __read_ulong_gc0_register(30, 0)
2045 #define write_gc0_errorepc(val) __write_ulong_gc0_register(30, 0, val)
2046
2047 #define read_gc0_kscratch1() __read_ulong_gc0_register(31, 2)
2048 #define read_gc0_kscratch2() __read_ulong_gc0_register(31, 3)
2049 #define read_gc0_kscratch3() __read_ulong_gc0_register(31, 4)
2050 #define read_gc0_kscratch4() __read_ulong_gc0_register(31, 5)
2051 #define read_gc0_kscratch5() __read_ulong_gc0_register(31, 6)
2052 #define read_gc0_kscratch6() __read_ulong_gc0_register(31, 7)
2053 #define write_gc0_kscratch1(val) __write_ulong_gc0_register(31, 2, val)
2054 #define write_gc0_kscratch2(val) __write_ulong_gc0_register(31, 3, val)
2055 #define write_gc0_kscratch3(val) __write_ulong_gc0_register(31, 4, val)
2056 #define write_gc0_kscratch4(val) __write_ulong_gc0_register(31, 5, val)
2057 #define write_gc0_kscratch5(val) __write_ulong_gc0_register(31, 6, val)
2058 #define write_gc0_kscratch6(val) __write_ulong_gc0_register(31, 7, val)
2059
2060 /*
2061 * Macros to access the floating point coprocessor control registers
2062 */
2063 #define _read_32bit_cp1_register(source, gas_hardfloat) \
2064 ({ \
2065 unsigned int __res; \
2066 \
2067 __asm__ __volatile__( \
2068 " .set push \n" \
2069 " .set reorder \n" \
2070 " # gas fails to assemble cfc1 for some archs, \n" \
2071 " # like Octeon. \n" \
2072 " .set mips1 \n" \
2073 " "STR(gas_hardfloat)" \n" \
2074 " cfc1 %0,"STR(source)" \n" \
2075 " .set pop \n" \
2076 : "=r" (__res)); \
2077 __res; \
2078 })
2079
2080 #define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
2081 do { \
2082 __asm__ __volatile__( \
2083 " .set push \n" \
2084 " .set reorder \n" \
2085 " "STR(gas_hardfloat)" \n" \
2086 " ctc1 %0,"STR(dest)" \n" \
2087 " .set pop \n" \
2088 : : "r" (val)); \
2089 } while (0)
2090
2091 #ifdef GAS_HAS_SET_HARDFLOAT
2092 #define read_32bit_cp1_register(source) \
2093 _read_32bit_cp1_register(source, .set hardfloat)
2094 #define write_32bit_cp1_register(dest, val) \
2095 _write_32bit_cp1_register(dest, val, .set hardfloat)
2096 #else
2097 #define read_32bit_cp1_register(source) \
2098 _read_32bit_cp1_register(source, )
2099 #define write_32bit_cp1_register(dest, val) \
2100 _write_32bit_cp1_register(dest, val, )
2101 #endif
2102
2103 #ifdef HAVE_AS_DSP
2104 #define rddsp(mask) \
2105 ({ \
2106 unsigned int __dspctl; \
2107 \
2108 __asm__ __volatile__( \
2109 " .set push \n" \
2110 " .set dsp \n" \
2111 " rddsp %0, %x1 \n" \
2112 " .set pop \n" \
2113 : "=r" (__dspctl) \
2114 : "i" (mask)); \
2115 __dspctl; \
2116 })
2117
2118 #define wrdsp(val, mask) \
2119 do { \
2120 __asm__ __volatile__( \
2121 " .set push \n" \
2122 " .set dsp \n" \
2123 " wrdsp %0, %x1 \n" \
2124 " .set pop \n" \
2125 : \
2126 : "r" (val), "i" (mask)); \
2127 } while (0)
2128
2129 #define mflo0() \
2130 ({ \
2131 long mflo0; \
2132 __asm__( \
2133 " .set push \n" \
2134 " .set dsp \n" \
2135 " mflo %0, $ac0 \n" \
2136 " .set pop \n" \
2137 : "=r" (mflo0)); \
2138 mflo0; \
2139 })
2140
2141 #define mflo1() \
2142 ({ \
2143 long mflo1; \
2144 __asm__( \
2145 " .set push \n" \
2146 " .set dsp \n" \
2147 " mflo %0, $ac1 \n" \
2148 " .set pop \n" \
2149 : "=r" (mflo1)); \
2150 mflo1; \
2151 })
2152
2153 #define mflo2() \
2154 ({ \
2155 long mflo2; \
2156 __asm__( \
2157 " .set push \n" \
2158 " .set dsp \n" \
2159 " mflo %0, $ac2 \n" \
2160 " .set pop \n" \
2161 : "=r" (mflo2)); \
2162 mflo2; \
2163 })
2164
2165 #define mflo3() \
2166 ({ \
2167 long mflo3; \
2168 __asm__( \
2169 " .set push \n" \
2170 " .set dsp \n" \
2171 " mflo %0, $ac3 \n" \
2172 " .set pop \n" \
2173 : "=r" (mflo3)); \
2174 mflo3; \
2175 })
2176
2177 #define mfhi0() \
2178 ({ \
2179 long mfhi0; \
2180 __asm__( \
2181 " .set push \n" \
2182 " .set dsp \n" \
2183 " mfhi %0, $ac0 \n" \
2184 " .set pop \n" \
2185 : "=r" (mfhi0)); \
2186 mfhi0; \
2187 })
2188
2189 #define mfhi1() \
2190 ({ \
2191 long mfhi1; \
2192 __asm__( \
2193 " .set push \n" \
2194 " .set dsp \n" \
2195 " mfhi %0, $ac1 \n" \
2196 " .set pop \n" \
2197 : "=r" (mfhi1)); \
2198 mfhi1; \
2199 })
2200
2201 #define mfhi2() \
2202 ({ \
2203 long mfhi2; \
2204 __asm__( \
2205 " .set push \n" \
2206 " .set dsp \n" \
2207 " mfhi %0, $ac2 \n" \
2208 " .set pop \n" \
2209 : "=r" (mfhi2)); \
2210 mfhi2; \
2211 })
2212
2213 #define mfhi3() \
2214 ({ \
2215 long mfhi3; \
2216 __asm__( \
2217 " .set push \n" \
2218 " .set dsp \n" \
2219 " mfhi %0, $ac3 \n" \
2220 " .set pop \n" \
2221 : "=r" (mfhi3)); \
2222 mfhi3; \
2223 })
2224
2225
2226 #define mtlo0(x) \
2227 ({ \
2228 __asm__( \
2229 " .set push \n" \
2230 " .set dsp \n" \
2231 " mtlo %0, $ac0 \n" \
2232 " .set pop \n" \
2233 : \
2234 : "r" (x)); \
2235 })
2236
2237 #define mtlo1(x) \
2238 ({ \
2239 __asm__( \
2240 " .set push \n" \
2241 " .set dsp \n" \
2242 " mtlo %0, $ac1 \n" \
2243 " .set pop \n" \
2244 : \
2245 : "r" (x)); \
2246 })
2247
2248 #define mtlo2(x) \
2249 ({ \
2250 __asm__( \
2251 " .set push \n" \
2252 " .set dsp \n" \
2253 " mtlo %0, $ac2 \n" \
2254 " .set pop \n" \
2255 : \
2256 : "r" (x)); \
2257 })
2258
2259 #define mtlo3(x) \
2260 ({ \
2261 __asm__( \
2262 " .set push \n" \
2263 " .set dsp \n" \
2264 " mtlo %0, $ac3 \n" \
2265 " .set pop \n" \
2266 : \
2267 : "r" (x)); \
2268 })
2269
2270 #define mthi0(x) \
2271 ({ \
2272 __asm__( \
2273 " .set push \n" \
2274 " .set dsp \n" \
2275 " mthi %0, $ac0 \n" \
2276 " .set pop \n" \
2277 : \
2278 : "r" (x)); \
2279 })
2280
2281 #define mthi1(x) \
2282 ({ \
2283 __asm__( \
2284 " .set push \n" \
2285 " .set dsp \n" \
2286 " mthi %0, $ac1 \n" \
2287 " .set pop \n" \
2288 : \
2289 : "r" (x)); \
2290 })
2291
2292 #define mthi2(x) \
2293 ({ \
2294 __asm__( \
2295 " .set push \n" \
2296 " .set dsp \n" \
2297 " mthi %0, $ac2 \n" \
2298 " .set pop \n" \
2299 : \
2300 : "r" (x)); \
2301 })
2302
2303 #define mthi3(x) \
2304 ({ \
2305 __asm__( \
2306 " .set push \n" \
2307 " .set dsp \n" \
2308 " mthi %0, $ac3 \n" \
2309 " .set pop \n" \
2310 : \
2311 : "r" (x)); \
2312 })
2313
2314 #else
2315
2316 #define rddsp(mask) \
2317 ({ \
2318 unsigned int __res; \
2319 \
2320 __asm__ __volatile__( \
2321 " .set push \n" \
2322 " .set noat \n" \
2323 " # rddsp $1, %x1 \n" \
2324 _ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16)) \
2325 _ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14)) \
2326 " move %0, $1 \n" \
2327 " .set pop \n" \
2328 : "=r" (__res) \
2329 : "i" (mask)); \
2330 __res; \
2331 })
2332
2333 #define wrdsp(val, mask) \
2334 do { \
2335 __asm__ __volatile__( \
2336 " .set push \n" \
2337 " .set noat \n" \
2338 " move $1, %0 \n" \
2339 " # wrdsp $1, %x1 \n" \
2340 _ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11)) \
2341 _ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14)) \
2342 " .set pop \n" \
2343 : \
2344 : "r" (val), "i" (mask)); \
2345 } while (0)
2346
2347 #define _dsp_mfxxx(ins) \
2348 ({ \
2349 unsigned long __treg; \
2350 \
2351 __asm__ __volatile__( \
2352 " .set push \n" \
2353 " .set noat \n" \
2354 _ASM_INSN_IF_MIPS(0x00000810 | %X1) \
2355 _ASM_INSN32_IF_MM(0x0001007c | %x1) \
2356 " move %0, $1 \n" \
2357 " .set pop \n" \
2358 : "=r" (__treg) \
2359 : "i" (ins)); \
2360 __treg; \
2361 })
2362
2363 #define _dsp_mtxxx(val, ins) \
2364 do { \
2365 __asm__ __volatile__( \
2366 " .set push \n" \
2367 " .set noat \n" \
2368 " move $1, %0 \n" \
2369 _ASM_INSN_IF_MIPS(0x00200011 | %X1) \
2370 _ASM_INSN32_IF_MM(0x0001207c | %x1) \
2371 " .set pop \n" \
2372 : \
2373 : "r" (val), "i" (ins)); \
2374 } while (0)
2375
2376 #ifdef CONFIG_CPU_MICROMIPS
2377
2378 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000)
2379 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000)
2380
2381 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000))
2382 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000))
2383
2384 #else /* !CONFIG_CPU_MICROMIPS */
2385
2386 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
2387 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
2388
2389 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
2390 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
2391
2392 #endif /* CONFIG_CPU_MICROMIPS */
2393
2394 #define mflo0() _dsp_mflo(0)
2395 #define mflo1() _dsp_mflo(1)
2396 #define mflo2() _dsp_mflo(2)
2397 #define mflo3() _dsp_mflo(3)
2398
2399 #define mfhi0() _dsp_mfhi(0)
2400 #define mfhi1() _dsp_mfhi(1)
2401 #define mfhi2() _dsp_mfhi(2)
2402 #define mfhi3() _dsp_mfhi(3)
2403
2404 #define mtlo0(x) _dsp_mtlo(x, 0)
2405 #define mtlo1(x) _dsp_mtlo(x, 1)
2406 #define mtlo2(x) _dsp_mtlo(x, 2)
2407 #define mtlo3(x) _dsp_mtlo(x, 3)
2408
2409 #define mthi0(x) _dsp_mthi(x, 0)
2410 #define mthi1(x) _dsp_mthi(x, 1)
2411 #define mthi2(x) _dsp_mthi(x, 2)
2412 #define mthi3(x) _dsp_mthi(x, 3)
2413
2414 #endif
2415
2416 /*
2417 * TLB operations.
2418 *
2419 * It is responsibility of the caller to take care of any TLB hazards.
2420 */
2421 static inline void tlb_probe(void)
2422 {
2423 __asm__ __volatile__(
2424 ".set noreorder\n\t"
2425 "tlbp\n\t"
2426 ".set reorder");
2427 }
2428
2429 static inline void tlb_read(void)
2430 {
2431 #if MIPS34K_MISSED_ITLB_WAR
2432 int res = 0;
2433
2434 __asm__ __volatile__(
2435 " .set push \n"
2436 " .set noreorder \n"
2437 " .set noat \n"
2438 " .set mips32r2 \n"
2439 " .word 0x41610001 # dvpe $1 \n"
2440 " move %0, $1 \n"
2441 " ehb \n"
2442 " .set pop \n"
2443 : "=r" (res));
2444
2445 instruction_hazard();
2446 #endif
2447
2448 __asm__ __volatile__(
2449 ".set noreorder\n\t"
2450 "tlbr\n\t"
2451 ".set reorder");
2452
2453 #if MIPS34K_MISSED_ITLB_WAR
2454 if ((res & _ULCAST_(1)))
2455 __asm__ __volatile__(
2456 " .set push \n"
2457 " .set noreorder \n"
2458 " .set noat \n"
2459 " .set mips32r2 \n"
2460 " .word 0x41600021 # evpe \n"
2461 " ehb \n"
2462 " .set pop \n");
2463 #endif
2464 }
2465
2466 static inline void tlb_write_indexed(void)
2467 {
2468 __asm__ __volatile__(
2469 ".set noreorder\n\t"
2470 "tlbwi\n\t"
2471 ".set reorder");
2472 }
2473
2474 static inline void tlb_write_random(void)
2475 {
2476 __asm__ __volatile__(
2477 ".set noreorder\n\t"
2478 "tlbwr\n\t"
2479 ".set reorder");
2480 }
2481
2482 #ifdef TOOLCHAIN_SUPPORTS_VIRT
2483
2484 /*
2485 * Guest TLB operations.
2486 *
2487 * It is responsibility of the caller to take care of any TLB hazards.
2488 */
2489 static inline void guest_tlb_probe(void)
2490 {
2491 __asm__ __volatile__(
2492 ".set push\n\t"
2493 ".set noreorder\n\t"
2494 ".set virt\n\t"
2495 "tlbgp\n\t"
2496 ".set pop");
2497 }
2498
2499 static inline void guest_tlb_read(void)
2500 {
2501 __asm__ __volatile__(
2502 ".set push\n\t"
2503 ".set noreorder\n\t"
2504 ".set virt\n\t"
2505 "tlbgr\n\t"
2506 ".set pop");
2507 }
2508
2509 static inline void guest_tlb_write_indexed(void)
2510 {
2511 __asm__ __volatile__(
2512 ".set push\n\t"
2513 ".set noreorder\n\t"
2514 ".set virt\n\t"
2515 "tlbgwi\n\t"
2516 ".set pop");
2517 }
2518
2519 static inline void guest_tlb_write_random(void)
2520 {
2521 __asm__ __volatile__(
2522 ".set push\n\t"
2523 ".set noreorder\n\t"
2524 ".set virt\n\t"
2525 "tlbgwr\n\t"
2526 ".set pop");
2527 }
2528
2529 /*
2530 * Guest TLB Invalidate Flush
2531 */
2532 static inline void guest_tlbinvf(void)
2533 {
2534 __asm__ __volatile__(
2535 ".set push\n\t"
2536 ".set noreorder\n\t"
2537 ".set virt\n\t"
2538 "tlbginvf\n\t"
2539 ".set pop");
2540 }
2541
2542 #else /* TOOLCHAIN_SUPPORTS_VIRT */
2543
2544 /*
2545 * Guest TLB operations.
2546 *
2547 * It is responsibility of the caller to take care of any TLB hazards.
2548 */
2549 static inline void guest_tlb_probe(void)
2550 {
2551 __asm__ __volatile__(
2552 "# tlbgp\n\t"
2553 _ASM_INSN_IF_MIPS(0x42000010)
2554 _ASM_INSN32_IF_MM(0x0000017c));
2555 }
2556
2557 static inline void guest_tlb_read(void)
2558 {
2559 __asm__ __volatile__(
2560 "# tlbgr\n\t"
2561 _ASM_INSN_IF_MIPS(0x42000009)
2562 _ASM_INSN32_IF_MM(0x0000117c));
2563 }
2564
2565 static inline void guest_tlb_write_indexed(void)
2566 {
2567 __asm__ __volatile__(
2568 "# tlbgwi\n\t"
2569 _ASM_INSN_IF_MIPS(0x4200000a)
2570 _ASM_INSN32_IF_MM(0x0000217c));
2571 }
2572
2573 static inline void guest_tlb_write_random(void)
2574 {
2575 __asm__ __volatile__(
2576 "# tlbgwr\n\t"
2577 _ASM_INSN_IF_MIPS(0x4200000e)
2578 _ASM_INSN32_IF_MM(0x0000317c));
2579 }
2580
2581 /*
2582 * Guest TLB Invalidate Flush
2583 */
2584 static inline void guest_tlbinvf(void)
2585 {
2586 __asm__ __volatile__(
2587 "# tlbginvf\n\t"
2588 _ASM_INSN_IF_MIPS(0x4200000c)
2589 _ASM_INSN32_IF_MM(0x0000517c));
2590 }
2591
2592 #endif /* !TOOLCHAIN_SUPPORTS_VIRT */
2593
2594 /*
2595 * Manipulate bits in a register.
2596 */
2597 #define __BUILD_SET_COMMON(name) \
2598 static inline unsigned int \
2599 set_##name(unsigned int set) \
2600 { \
2601 unsigned int res, new; \
2602 \
2603 res = read_##name(); \
2604 new = res | set; \
2605 write_##name(new); \
2606 \
2607 return res; \
2608 } \
2609 \
2610 static inline unsigned int \
2611 clear_##name(unsigned int clear) \
2612 { \
2613 unsigned int res, new; \
2614 \
2615 res = read_##name(); \
2616 new = res & ~clear; \
2617 write_##name(new); \
2618 \
2619 return res; \
2620 } \
2621 \
2622 static inline unsigned int \
2623 change_##name(unsigned int change, unsigned int val) \
2624 { \
2625 unsigned int res, new; \
2626 \
2627 res = read_##name(); \
2628 new = res & ~change; \
2629 new |= (val & change); \
2630 write_##name(new); \
2631 \
2632 return res; \
2633 }
2634
2635 /*
2636 * Manipulate bits in a c0 register.
2637 */
2638 #define __BUILD_SET_C0(name) __BUILD_SET_COMMON(c0_##name)
2639
2640 __BUILD_SET_C0(status)
2641 __BUILD_SET_C0(cause)
2642 __BUILD_SET_C0(config)
2643 __BUILD_SET_C0(config5)
2644 __BUILD_SET_C0(intcontrol)
2645 __BUILD_SET_C0(intctl)
2646 __BUILD_SET_C0(srsmap)
2647 __BUILD_SET_C0(pagegrain)
2648 __BUILD_SET_C0(guestctl0)
2649 __BUILD_SET_C0(guestctl0ext)
2650 __BUILD_SET_C0(guestctl1)
2651 __BUILD_SET_C0(guestctl2)
2652 __BUILD_SET_C0(guestctl3)
2653 __BUILD_SET_C0(brcm_config_0)
2654 __BUILD_SET_C0(brcm_bus_pll)
2655 __BUILD_SET_C0(brcm_reset)
2656 __BUILD_SET_C0(brcm_cmt_intr)
2657 __BUILD_SET_C0(brcm_cmt_ctrl)
2658 __BUILD_SET_C0(brcm_config)
2659 __BUILD_SET_C0(brcm_mode)
2660
2661 /*
2662 * Manipulate bits in a guest c0 register.
2663 */
2664 #define __BUILD_SET_GC0(name) __BUILD_SET_COMMON(gc0_##name)
2665
2666 __BUILD_SET_GC0(status)
2667 __BUILD_SET_GC0(cause)
2668 __BUILD_SET_GC0(ebase)
2669
2670 /*
2671 * Return low 10 bits of ebase.
2672 * Note that under KVM (MIPSVZ) this returns vcpu id.
2673 */
2674 static inline unsigned int get_ebase_cpunum(void)
2675 {
2676 return read_c0_ebase() & MIPS_EBASE_CPUNUM;
2677 }
2678
2679 #endif /* !__ASSEMBLY__ */
2680
2681 #endif /* _ASM_MIPSREGS_H */