xref: /openbmc/linux/arch/mips/include/asm/mipsregs.h (revision 80483c3a)
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  * Values used for computation of new tlb entries
219  */
220 #define PL_4K		12
221 #define PL_16K		14
222 #define PL_64K		16
223 #define PL_256K		18
224 #define PL_1M		20
225 #define PL_4M		22
226 #define PL_16M		24
227 #define PL_64M		26
228 #define PL_256M		28
229 
230 /*
231  * PageGrain bits
232  */
233 #define PG_RIE		(_ULCAST_(1) <<	 31)
234 #define PG_XIE		(_ULCAST_(1) <<	 30)
235 #define PG_ELPA		(_ULCAST_(1) <<	 29)
236 #define PG_ESP		(_ULCAST_(1) <<	 28)
237 #define PG_IEC		(_ULCAST_(1) <<  27)
238 
239 /* MIPS32/64 EntryHI bit definitions */
240 #define MIPS_ENTRYHI_EHINV	(_ULCAST_(1) << 10)
241 #define MIPS_ENTRYHI_ASIDX	(_ULCAST_(0x3) << 8)
242 #define MIPS_ENTRYHI_ASID	(_ULCAST_(0xff) << 0)
243 
244 /*
245  * R4x00 interrupt enable / cause bits
246  */
247 #define IE_SW0		(_ULCAST_(1) <<	 8)
248 #define IE_SW1		(_ULCAST_(1) <<	 9)
249 #define IE_IRQ0		(_ULCAST_(1) << 10)
250 #define IE_IRQ1		(_ULCAST_(1) << 11)
251 #define IE_IRQ2		(_ULCAST_(1) << 12)
252 #define IE_IRQ3		(_ULCAST_(1) << 13)
253 #define IE_IRQ4		(_ULCAST_(1) << 14)
254 #define IE_IRQ5		(_ULCAST_(1) << 15)
255 
256 /*
257  * R4x00 interrupt cause bits
258  */
259 #define C_SW0		(_ULCAST_(1) <<	 8)
260 #define C_SW1		(_ULCAST_(1) <<	 9)
261 #define C_IRQ0		(_ULCAST_(1) << 10)
262 #define C_IRQ1		(_ULCAST_(1) << 11)
263 #define C_IRQ2		(_ULCAST_(1) << 12)
264 #define C_IRQ3		(_ULCAST_(1) << 13)
265 #define C_IRQ4		(_ULCAST_(1) << 14)
266 #define C_IRQ5		(_ULCAST_(1) << 15)
267 
268 /*
269  * Bitfields in the R4xx0 cp0 status register
270  */
271 #define ST0_IE			0x00000001
272 #define ST0_EXL			0x00000002
273 #define ST0_ERL			0x00000004
274 #define ST0_KSU			0x00000018
275 #  define KSU_USER		0x00000010
276 #  define KSU_SUPERVISOR	0x00000008
277 #  define KSU_KERNEL		0x00000000
278 #define ST0_UX			0x00000020
279 #define ST0_SX			0x00000040
280 #define ST0_KX			0x00000080
281 #define ST0_DE			0x00010000
282 #define ST0_CE			0x00020000
283 
284 /*
285  * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
286  * cacheops in userspace.  This bit exists only on RM7000 and RM9000
287  * processors.
288  */
289 #define ST0_CO			0x08000000
290 
291 /*
292  * Bitfields in the R[23]000 cp0 status register.
293  */
294 #define ST0_IEC			0x00000001
295 #define ST0_KUC			0x00000002
296 #define ST0_IEP			0x00000004
297 #define ST0_KUP			0x00000008
298 #define ST0_IEO			0x00000010
299 #define ST0_KUO			0x00000020
300 /* bits 6 & 7 are reserved on R[23]000 */
301 #define ST0_ISC			0x00010000
302 #define ST0_SWC			0x00020000
303 #define ST0_CM			0x00080000
304 
305 /*
306  * Bits specific to the R4640/R4650
307  */
308 #define ST0_UM			(_ULCAST_(1) <<	 4)
309 #define ST0_IL			(_ULCAST_(1) << 23)
310 #define ST0_DL			(_ULCAST_(1) << 24)
311 
312 /*
313  * Enable the MIPS MDMX and DSP ASEs
314  */
315 #define ST0_MX			0x01000000
316 
317 /*
318  * Status register bits available in all MIPS CPUs.
319  */
320 #define ST0_IM			0x0000ff00
321 #define	 STATUSB_IP0		8
322 #define	 STATUSF_IP0		(_ULCAST_(1) <<	 8)
323 #define	 STATUSB_IP1		9
324 #define	 STATUSF_IP1		(_ULCAST_(1) <<	 9)
325 #define	 STATUSB_IP2		10
326 #define	 STATUSF_IP2		(_ULCAST_(1) << 10)
327 #define	 STATUSB_IP3		11
328 #define	 STATUSF_IP3		(_ULCAST_(1) << 11)
329 #define	 STATUSB_IP4		12
330 #define	 STATUSF_IP4		(_ULCAST_(1) << 12)
331 #define	 STATUSB_IP5		13
332 #define	 STATUSF_IP5		(_ULCAST_(1) << 13)
333 #define	 STATUSB_IP6		14
334 #define	 STATUSF_IP6		(_ULCAST_(1) << 14)
335 #define	 STATUSB_IP7		15
336 #define	 STATUSF_IP7		(_ULCAST_(1) << 15)
337 #define	 STATUSB_IP8		0
338 #define	 STATUSF_IP8		(_ULCAST_(1) <<	 0)
339 #define	 STATUSB_IP9		1
340 #define	 STATUSF_IP9		(_ULCAST_(1) <<	 1)
341 #define	 STATUSB_IP10		2
342 #define	 STATUSF_IP10		(_ULCAST_(1) <<	 2)
343 #define	 STATUSB_IP11		3
344 #define	 STATUSF_IP11		(_ULCAST_(1) <<	 3)
345 #define	 STATUSB_IP12		4
346 #define	 STATUSF_IP12		(_ULCAST_(1) <<	 4)
347 #define	 STATUSB_IP13		5
348 #define	 STATUSF_IP13		(_ULCAST_(1) <<	 5)
349 #define	 STATUSB_IP14		6
350 #define	 STATUSF_IP14		(_ULCAST_(1) <<	 6)
351 #define	 STATUSB_IP15		7
352 #define	 STATUSF_IP15		(_ULCAST_(1) <<	 7)
353 #define ST0_CH			0x00040000
354 #define ST0_NMI			0x00080000
355 #define ST0_SR			0x00100000
356 #define ST0_TS			0x00200000
357 #define ST0_BEV			0x00400000
358 #define ST0_RE			0x02000000
359 #define ST0_FR			0x04000000
360 #define ST0_CU			0xf0000000
361 #define ST0_CU0			0x10000000
362 #define ST0_CU1			0x20000000
363 #define ST0_CU2			0x40000000
364 #define ST0_CU3			0x80000000
365 #define ST0_XX			0x80000000	/* MIPS IV naming */
366 
367 /*
368  * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
369  */
370 #define INTCTLB_IPFDC		23
371 #define INTCTLF_IPFDC		(_ULCAST_(7) << INTCTLB_IPFDC)
372 #define INTCTLB_IPPCI		26
373 #define INTCTLF_IPPCI		(_ULCAST_(7) << INTCTLB_IPPCI)
374 #define INTCTLB_IPTI		29
375 #define INTCTLF_IPTI		(_ULCAST_(7) << INTCTLB_IPTI)
376 
377 /*
378  * Bitfields and bit numbers in the coprocessor 0 cause register.
379  *
380  * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
381  */
382 #define CAUSEB_EXCCODE		2
383 #define CAUSEF_EXCCODE		(_ULCAST_(31)  <<  2)
384 #define CAUSEB_IP		8
385 #define CAUSEF_IP		(_ULCAST_(255) <<  8)
386 #define	 CAUSEB_IP0		8
387 #define	 CAUSEF_IP0		(_ULCAST_(1)   <<  8)
388 #define	 CAUSEB_IP1		9
389 #define	 CAUSEF_IP1		(_ULCAST_(1)   <<  9)
390 #define	 CAUSEB_IP2		10
391 #define	 CAUSEF_IP2		(_ULCAST_(1)   << 10)
392 #define	 CAUSEB_IP3		11
393 #define	 CAUSEF_IP3		(_ULCAST_(1)   << 11)
394 #define	 CAUSEB_IP4		12
395 #define	 CAUSEF_IP4		(_ULCAST_(1)   << 12)
396 #define	 CAUSEB_IP5		13
397 #define	 CAUSEF_IP5		(_ULCAST_(1)   << 13)
398 #define	 CAUSEB_IP6		14
399 #define	 CAUSEF_IP6		(_ULCAST_(1)   << 14)
400 #define	 CAUSEB_IP7		15
401 #define	 CAUSEF_IP7		(_ULCAST_(1)   << 15)
402 #define CAUSEB_FDCI		21
403 #define CAUSEF_FDCI		(_ULCAST_(1)   << 21)
404 #define CAUSEB_WP		22
405 #define CAUSEF_WP		(_ULCAST_(1)   << 22)
406 #define CAUSEB_IV		23
407 #define CAUSEF_IV		(_ULCAST_(1)   << 23)
408 #define CAUSEB_PCI		26
409 #define CAUSEF_PCI		(_ULCAST_(1)   << 26)
410 #define CAUSEB_DC		27
411 #define CAUSEF_DC		(_ULCAST_(1)   << 27)
412 #define CAUSEB_CE		28
413 #define CAUSEF_CE		(_ULCAST_(3)   << 28)
414 #define CAUSEB_TI		30
415 #define CAUSEF_TI		(_ULCAST_(1)   << 30)
416 #define CAUSEB_BD		31
417 #define CAUSEF_BD		(_ULCAST_(1)   << 31)
418 
419 /*
420  * Cause.ExcCode trap codes.
421  */
422 #define EXCCODE_INT		0	/* Interrupt pending */
423 #define EXCCODE_MOD		1	/* TLB modified fault */
424 #define EXCCODE_TLBL		2	/* TLB miss on load or ifetch */
425 #define EXCCODE_TLBS		3	/* TLB miss on a store */
426 #define EXCCODE_ADEL		4	/* Address error on a load or ifetch */
427 #define EXCCODE_ADES		5	/* Address error on a store */
428 #define EXCCODE_IBE		6	/* Bus error on an ifetch */
429 #define EXCCODE_DBE		7	/* Bus error on a load or store */
430 #define EXCCODE_SYS		8	/* System call */
431 #define EXCCODE_BP		9	/* Breakpoint */
432 #define EXCCODE_RI		10	/* Reserved instruction exception */
433 #define EXCCODE_CPU		11	/* Coprocessor unusable */
434 #define EXCCODE_OV		12	/* Arithmetic overflow */
435 #define EXCCODE_TR		13	/* Trap instruction */
436 #define EXCCODE_MSAFPE		14	/* MSA floating point exception */
437 #define EXCCODE_FPE		15	/* Floating point exception */
438 #define EXCCODE_TLBRI		19	/* TLB Read-Inhibit exception */
439 #define EXCCODE_TLBXI		20	/* TLB Execution-Inhibit exception */
440 #define EXCCODE_MSADIS		21	/* MSA disabled exception */
441 #define EXCCODE_MDMX		22	/* MDMX unusable exception */
442 #define EXCCODE_WATCH		23	/* Watch address reference */
443 #define EXCCODE_MCHECK		24	/* Machine check */
444 #define EXCCODE_THREAD		25	/* Thread exceptions (MT) */
445 #define EXCCODE_DSPDIS		26	/* DSP disabled exception */
446 #define EXCCODE_GE		27	/* Virtualized guest exception (VZ) */
447 
448 /* Implementation specific trap codes used by MIPS cores */
449 #define MIPS_EXCCODE_TLBPAR	16	/* TLB parity error exception */
450 
451 /*
452  * Bits in the coprocessor 0 config register.
453  */
454 /* Generic bits.  */
455 #define CONF_CM_CACHABLE_NO_WA		0
456 #define CONF_CM_CACHABLE_WA		1
457 #define CONF_CM_UNCACHED		2
458 #define CONF_CM_CACHABLE_NONCOHERENT	3
459 #define CONF_CM_CACHABLE_CE		4
460 #define CONF_CM_CACHABLE_COW		5
461 #define CONF_CM_CACHABLE_CUW		6
462 #define CONF_CM_CACHABLE_ACCELERATED	7
463 #define CONF_CM_CMASK			7
464 #define CONF_BE			(_ULCAST_(1) << 15)
465 
466 /* Bits common to various processors.  */
467 #define CONF_CU			(_ULCAST_(1) <<	 3)
468 #define CONF_DB			(_ULCAST_(1) <<	 4)
469 #define CONF_IB			(_ULCAST_(1) <<	 5)
470 #define CONF_DC			(_ULCAST_(7) <<	 6)
471 #define CONF_IC			(_ULCAST_(7) <<	 9)
472 #define CONF_EB			(_ULCAST_(1) << 13)
473 #define CONF_EM			(_ULCAST_(1) << 14)
474 #define CONF_SM			(_ULCAST_(1) << 16)
475 #define CONF_SC			(_ULCAST_(1) << 17)
476 #define CONF_EW			(_ULCAST_(3) << 18)
477 #define CONF_EP			(_ULCAST_(15)<< 24)
478 #define CONF_EC			(_ULCAST_(7) << 28)
479 #define CONF_CM			(_ULCAST_(1) << 31)
480 
481 /* Bits specific to the R4xx0.	*/
482 #define R4K_CONF_SW		(_ULCAST_(1) << 20)
483 #define R4K_CONF_SS		(_ULCAST_(1) << 21)
484 #define R4K_CONF_SB		(_ULCAST_(3) << 22)
485 
486 /* Bits specific to the R5000.	*/
487 #define R5K_CONF_SE		(_ULCAST_(1) << 12)
488 #define R5K_CONF_SS		(_ULCAST_(3) << 20)
489 
490 /* Bits specific to the RM7000.	 */
491 #define RM7K_CONF_SE		(_ULCAST_(1) <<	 3)
492 #define RM7K_CONF_TE		(_ULCAST_(1) << 12)
493 #define RM7K_CONF_CLK		(_ULCAST_(1) << 16)
494 #define RM7K_CONF_TC		(_ULCAST_(1) << 17)
495 #define RM7K_CONF_SI		(_ULCAST_(3) << 20)
496 #define RM7K_CONF_SC		(_ULCAST_(1) << 31)
497 
498 /* Bits specific to the R10000.	 */
499 #define R10K_CONF_DN		(_ULCAST_(3) <<	 3)
500 #define R10K_CONF_CT		(_ULCAST_(1) <<	 5)
501 #define R10K_CONF_PE		(_ULCAST_(1) <<	 6)
502 #define R10K_CONF_PM		(_ULCAST_(3) <<	 7)
503 #define R10K_CONF_EC		(_ULCAST_(15)<<	 9)
504 #define R10K_CONF_SB		(_ULCAST_(1) << 13)
505 #define R10K_CONF_SK		(_ULCAST_(1) << 14)
506 #define R10K_CONF_SS		(_ULCAST_(7) << 16)
507 #define R10K_CONF_SC		(_ULCAST_(7) << 19)
508 #define R10K_CONF_DC		(_ULCAST_(7) << 26)
509 #define R10K_CONF_IC		(_ULCAST_(7) << 29)
510 
511 /* Bits specific to the VR41xx.	 */
512 #define VR41_CONF_CS		(_ULCAST_(1) << 12)
513 #define VR41_CONF_P4K		(_ULCAST_(1) << 13)
514 #define VR41_CONF_BP		(_ULCAST_(1) << 16)
515 #define VR41_CONF_M16		(_ULCAST_(1) << 20)
516 #define VR41_CONF_AD		(_ULCAST_(1) << 23)
517 
518 /* Bits specific to the R30xx.	*/
519 #define R30XX_CONF_FDM		(_ULCAST_(1) << 19)
520 #define R30XX_CONF_REV		(_ULCAST_(1) << 22)
521 #define R30XX_CONF_AC		(_ULCAST_(1) << 23)
522 #define R30XX_CONF_RF		(_ULCAST_(1) << 24)
523 #define R30XX_CONF_HALT		(_ULCAST_(1) << 25)
524 #define R30XX_CONF_FPINT	(_ULCAST_(7) << 26)
525 #define R30XX_CONF_DBR		(_ULCAST_(1) << 29)
526 #define R30XX_CONF_SB		(_ULCAST_(1) << 30)
527 #define R30XX_CONF_LOCK		(_ULCAST_(1) << 31)
528 
529 /* Bits specific to the TX49.  */
530 #define TX49_CONF_DC		(_ULCAST_(1) << 16)
531 #define TX49_CONF_IC		(_ULCAST_(1) << 17)  /* conflict with CONF_SC */
532 #define TX49_CONF_HALT		(_ULCAST_(1) << 18)
533 #define TX49_CONF_CWFON		(_ULCAST_(1) << 27)
534 
535 /* Bits specific to the MIPS32/64 PRA.	*/
536 #define MIPS_CONF_VI		(_ULCAST_(1) <<  3)
537 #define MIPS_CONF_MT		(_ULCAST_(7) <<	 7)
538 #define MIPS_CONF_MT_TLB	(_ULCAST_(1) <<  7)
539 #define MIPS_CONF_MT_FTLB	(_ULCAST_(4) <<  7)
540 #define MIPS_CONF_AR		(_ULCAST_(7) << 10)
541 #define MIPS_CONF_AT		(_ULCAST_(3) << 13)
542 #define MIPS_CONF_M		(_ULCAST_(1) << 31)
543 
544 /*
545  * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
546  */
547 #define MIPS_CONF1_FP		(_ULCAST_(1) <<	 0)
548 #define MIPS_CONF1_EP		(_ULCAST_(1) <<	 1)
549 #define MIPS_CONF1_CA		(_ULCAST_(1) <<	 2)
550 #define MIPS_CONF1_WR		(_ULCAST_(1) <<	 3)
551 #define MIPS_CONF1_PC		(_ULCAST_(1) <<	 4)
552 #define MIPS_CONF1_MD		(_ULCAST_(1) <<	 5)
553 #define MIPS_CONF1_C2		(_ULCAST_(1) <<	 6)
554 #define MIPS_CONF1_DA_SHF	7
555 #define MIPS_CONF1_DA_SZ	3
556 #define MIPS_CONF1_DA		(_ULCAST_(7) <<	 7)
557 #define MIPS_CONF1_DL_SHF	10
558 #define MIPS_CONF1_DL_SZ	3
559 #define MIPS_CONF1_DL		(_ULCAST_(7) << 10)
560 #define MIPS_CONF1_DS_SHF	13
561 #define MIPS_CONF1_DS_SZ	3
562 #define MIPS_CONF1_DS		(_ULCAST_(7) << 13)
563 #define MIPS_CONF1_IA_SHF	16
564 #define MIPS_CONF1_IA_SZ	3
565 #define MIPS_CONF1_IA		(_ULCAST_(7) << 16)
566 #define MIPS_CONF1_IL_SHF	19
567 #define MIPS_CONF1_IL_SZ	3
568 #define MIPS_CONF1_IL		(_ULCAST_(7) << 19)
569 #define MIPS_CONF1_IS_SHF	22
570 #define MIPS_CONF1_IS_SZ	3
571 #define MIPS_CONF1_IS		(_ULCAST_(7) << 22)
572 #define MIPS_CONF1_TLBS_SHIFT   (25)
573 #define MIPS_CONF1_TLBS_SIZE    (6)
574 #define MIPS_CONF1_TLBS         (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
575 
576 #define MIPS_CONF2_SA		(_ULCAST_(15)<<	 0)
577 #define MIPS_CONF2_SL		(_ULCAST_(15)<<	 4)
578 #define MIPS_CONF2_SS		(_ULCAST_(15)<<	 8)
579 #define MIPS_CONF2_SU		(_ULCAST_(15)<< 12)
580 #define MIPS_CONF2_TA		(_ULCAST_(15)<< 16)
581 #define MIPS_CONF2_TL		(_ULCAST_(15)<< 20)
582 #define MIPS_CONF2_TS		(_ULCAST_(15)<< 24)
583 #define MIPS_CONF2_TU		(_ULCAST_(7) << 28)
584 
585 #define MIPS_CONF3_TL		(_ULCAST_(1) <<	 0)
586 #define MIPS_CONF3_SM		(_ULCAST_(1) <<	 1)
587 #define MIPS_CONF3_MT		(_ULCAST_(1) <<	 2)
588 #define MIPS_CONF3_CDMM		(_ULCAST_(1) <<	 3)
589 #define MIPS_CONF3_SP		(_ULCAST_(1) <<	 4)
590 #define MIPS_CONF3_VINT		(_ULCAST_(1) <<	 5)
591 #define MIPS_CONF3_VEIC		(_ULCAST_(1) <<	 6)
592 #define MIPS_CONF3_LPA		(_ULCAST_(1) <<	 7)
593 #define MIPS_CONF3_ITL		(_ULCAST_(1) <<	 8)
594 #define MIPS_CONF3_CTXTC	(_ULCAST_(1) <<	 9)
595 #define MIPS_CONF3_DSP		(_ULCAST_(1) << 10)
596 #define MIPS_CONF3_DSP2P	(_ULCAST_(1) << 11)
597 #define MIPS_CONF3_RXI		(_ULCAST_(1) << 12)
598 #define MIPS_CONF3_ULRI		(_ULCAST_(1) << 13)
599 #define MIPS_CONF3_ISA		(_ULCAST_(3) << 14)
600 #define MIPS_CONF3_ISA_OE	(_ULCAST_(1) << 16)
601 #define MIPS_CONF3_MCU		(_ULCAST_(1) << 17)
602 #define MIPS_CONF3_MMAR		(_ULCAST_(7) << 18)
603 #define MIPS_CONF3_IPLW		(_ULCAST_(3) << 21)
604 #define MIPS_CONF3_VZ		(_ULCAST_(1) << 23)
605 #define MIPS_CONF3_PW		(_ULCAST_(1) << 24)
606 #define MIPS_CONF3_SC		(_ULCAST_(1) << 25)
607 #define MIPS_CONF3_BI		(_ULCAST_(1) << 26)
608 #define MIPS_CONF3_BP		(_ULCAST_(1) << 27)
609 #define MIPS_CONF3_MSA		(_ULCAST_(1) << 28)
610 #define MIPS_CONF3_CMGCR	(_ULCAST_(1) << 29)
611 #define MIPS_CONF3_BPG		(_ULCAST_(1) << 30)
612 
613 #define MIPS_CONF4_MMUSIZEEXT_SHIFT	(0)
614 #define MIPS_CONF4_MMUSIZEEXT	(_ULCAST_(255) << 0)
615 #define MIPS_CONF4_FTLBSETS_SHIFT	(0)
616 #define MIPS_CONF4_FTLBSETS	(_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
617 #define MIPS_CONF4_FTLBWAYS_SHIFT	(4)
618 #define MIPS_CONF4_FTLBWAYS	(_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
619 #define MIPS_CONF4_FTLBPAGESIZE_SHIFT	(8)
620 /* bits 10:8 in FTLB-only configurations */
621 #define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
622 /* bits 12:8 in VTLB-FTLB only configurations */
623 #define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
624 #define MIPS_CONF4_MMUEXTDEF	(_ULCAST_(3) << 14)
625 #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
626 #define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT	(_ULCAST_(2) << 14)
627 #define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT	(_ULCAST_(3) << 14)
628 #define MIPS_CONF4_KSCREXIST_SHIFT	(16)
629 #define MIPS_CONF4_KSCREXIST	(_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT)
630 #define MIPS_CONF4_VTLBSIZEEXT_SHIFT	(24)
631 #define MIPS_CONF4_VTLBSIZEEXT	(_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
632 #define MIPS_CONF4_AE		(_ULCAST_(1) << 28)
633 #define MIPS_CONF4_IE		(_ULCAST_(3) << 29)
634 #define MIPS_CONF4_TLBINV	(_ULCAST_(2) << 29)
635 
636 #define MIPS_CONF5_NF		(_ULCAST_(1) << 0)
637 #define MIPS_CONF5_UFR		(_ULCAST_(1) << 2)
638 #define MIPS_CONF5_MRP		(_ULCAST_(1) << 3)
639 #define MIPS_CONF5_LLB		(_ULCAST_(1) << 4)
640 #define MIPS_CONF5_MVH		(_ULCAST_(1) << 5)
641 #define MIPS_CONF5_VP		(_ULCAST_(1) << 7)
642 #define MIPS_CONF5_FRE		(_ULCAST_(1) << 8)
643 #define MIPS_CONF5_UFE		(_ULCAST_(1) << 9)
644 #define MIPS_CONF5_MSAEN	(_ULCAST_(1) << 27)
645 #define MIPS_CONF5_EVA		(_ULCAST_(1) << 28)
646 #define MIPS_CONF5_CV		(_ULCAST_(1) << 29)
647 #define MIPS_CONF5_K		(_ULCAST_(1) << 30)
648 
649 #define MIPS_CONF6_SYND		(_ULCAST_(1) << 13)
650 /* proAptiv FTLB on/off bit */
651 #define MIPS_CONF6_FTLBEN	(_ULCAST_(1) << 15)
652 /* Loongson-3 FTLB on/off bit */
653 #define MIPS_CONF6_FTLBDIS	(_ULCAST_(1) << 22)
654 /* FTLB probability bits */
655 #define MIPS_CONF6_FTLBP_SHIFT	(16)
656 
657 #define MIPS_CONF7_WII		(_ULCAST_(1) << 31)
658 
659 #define MIPS_CONF7_RPS		(_ULCAST_(1) << 2)
660 
661 #define MIPS_CONF7_IAR		(_ULCAST_(1) << 10)
662 #define MIPS_CONF7_AR		(_ULCAST_(1) << 16)
663 /* FTLB probability bits for R6 */
664 #define MIPS_CONF7_FTLBP_SHIFT	(18)
665 
666 /* WatchLo* register definitions */
667 #define MIPS_WATCHLO_IRW	(_ULCAST_(0x7) << 0)
668 
669 /* WatchHi* register definitions */
670 #define MIPS_WATCHHI_M		(_ULCAST_(1) << 31)
671 #define MIPS_WATCHHI_G		(_ULCAST_(1) << 30)
672 #define MIPS_WATCHHI_WM		(_ULCAST_(0x3) << 28)
673 #define MIPS_WATCHHI_WM_R_RVA	(_ULCAST_(0) << 28)
674 #define MIPS_WATCHHI_WM_R_GPA	(_ULCAST_(1) << 28)
675 #define MIPS_WATCHHI_WM_G_GVA	(_ULCAST_(2) << 28)
676 #define MIPS_WATCHHI_EAS	(_ULCAST_(0x3) << 24)
677 #define MIPS_WATCHHI_ASID	(_ULCAST_(0xff) << 16)
678 #define MIPS_WATCHHI_MASK	(_ULCAST_(0x1ff) << 3)
679 #define MIPS_WATCHHI_I		(_ULCAST_(1) << 2)
680 #define MIPS_WATCHHI_R		(_ULCAST_(1) << 1)
681 #define MIPS_WATCHHI_W		(_ULCAST_(1) << 0)
682 #define MIPS_WATCHHI_IRW	(_ULCAST_(0x7) << 0)
683 
684 /* MAAR bit definitions */
685 #define MIPS_MAAR_ADDR		((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
686 #define MIPS_MAAR_ADDR_SHIFT	12
687 #define MIPS_MAAR_S		(_ULCAST_(1) << 1)
688 #define MIPS_MAAR_V		(_ULCAST_(1) << 0)
689 
690 /* EBase bit definitions */
691 #define MIPS_EBASE_CPUNUM_SHIFT	0
692 #define MIPS_EBASE_CPUNUM	(_ULCAST_(0x3ff) << 0)
693 #define MIPS_EBASE_WG_SHIFT	11
694 #define MIPS_EBASE_WG		(_ULCAST_(1) << 11)
695 #define MIPS_EBASE_BASE_SHIFT	12
696 #define MIPS_EBASE_BASE		(~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1))
697 
698 /* CMGCRBase bit definitions */
699 #define MIPS_CMGCRB_BASE	11
700 #define MIPS_CMGCRF_BASE	(~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
701 
702 /*
703  * Bits in the MIPS32 Memory Segmentation registers.
704  */
705 #define MIPS_SEGCFG_PA_SHIFT	9
706 #define MIPS_SEGCFG_PA		(_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
707 #define MIPS_SEGCFG_AM_SHIFT	4
708 #define MIPS_SEGCFG_AM		(_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
709 #define MIPS_SEGCFG_EU_SHIFT	3
710 #define MIPS_SEGCFG_EU		(_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
711 #define MIPS_SEGCFG_C_SHIFT	0
712 #define MIPS_SEGCFG_C		(_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
713 
714 #define MIPS_SEGCFG_UUSK	_ULCAST_(7)
715 #define MIPS_SEGCFG_USK		_ULCAST_(5)
716 #define MIPS_SEGCFG_MUSUK	_ULCAST_(4)
717 #define MIPS_SEGCFG_MUSK	_ULCAST_(3)
718 #define MIPS_SEGCFG_MSK		_ULCAST_(2)
719 #define MIPS_SEGCFG_MK		_ULCAST_(1)
720 #define MIPS_SEGCFG_UK		_ULCAST_(0)
721 
722 #define MIPS_PWFIELD_GDI_SHIFT	24
723 #define MIPS_PWFIELD_GDI_MASK	0x3f000000
724 #define MIPS_PWFIELD_UDI_SHIFT	18
725 #define MIPS_PWFIELD_UDI_MASK	0x00fc0000
726 #define MIPS_PWFIELD_MDI_SHIFT	12
727 #define MIPS_PWFIELD_MDI_MASK	0x0003f000
728 #define MIPS_PWFIELD_PTI_SHIFT	6
729 #define MIPS_PWFIELD_PTI_MASK	0x00000fc0
730 #define MIPS_PWFIELD_PTEI_SHIFT	0
731 #define MIPS_PWFIELD_PTEI_MASK	0x0000003f
732 
733 #define MIPS_PWSIZE_PS_SHIFT	30
734 #define MIPS_PWSIZE_PS_MASK	0x40000000
735 #define MIPS_PWSIZE_GDW_SHIFT	24
736 #define MIPS_PWSIZE_GDW_MASK	0x3f000000
737 #define MIPS_PWSIZE_UDW_SHIFT	18
738 #define MIPS_PWSIZE_UDW_MASK	0x00fc0000
739 #define MIPS_PWSIZE_MDW_SHIFT	12
740 #define MIPS_PWSIZE_MDW_MASK	0x0003f000
741 #define MIPS_PWSIZE_PTW_SHIFT	6
742 #define MIPS_PWSIZE_PTW_MASK	0x00000fc0
743 #define MIPS_PWSIZE_PTEW_SHIFT	0
744 #define MIPS_PWSIZE_PTEW_MASK	0x0000003f
745 
746 #define MIPS_PWCTL_PWEN_SHIFT	31
747 #define MIPS_PWCTL_PWEN_MASK	0x80000000
748 #define MIPS_PWCTL_XK_SHIFT	28
749 #define MIPS_PWCTL_XK_MASK	0x10000000
750 #define MIPS_PWCTL_XS_SHIFT	27
751 #define MIPS_PWCTL_XS_MASK	0x08000000
752 #define MIPS_PWCTL_XU_SHIFT	26
753 #define MIPS_PWCTL_XU_MASK	0x04000000
754 #define MIPS_PWCTL_DPH_SHIFT	7
755 #define MIPS_PWCTL_DPH_MASK	0x00000080
756 #define MIPS_PWCTL_HUGEPG_SHIFT	6
757 #define MIPS_PWCTL_HUGEPG_MASK	0x00000060
758 #define MIPS_PWCTL_PSN_SHIFT	0
759 #define MIPS_PWCTL_PSN_MASK	0x0000003f
760 
761 /* GuestCtl0 fields */
762 #define MIPS_GCTL0_GM_SHIFT	31
763 #define MIPS_GCTL0_GM		(_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT)
764 #define MIPS_GCTL0_RI_SHIFT	30
765 #define MIPS_GCTL0_RI		(_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT)
766 #define MIPS_GCTL0_MC_SHIFT	29
767 #define MIPS_GCTL0_MC		(_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT)
768 #define MIPS_GCTL0_CP0_SHIFT	28
769 #define MIPS_GCTL0_CP0		(_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT)
770 #define MIPS_GCTL0_AT_SHIFT	26
771 #define MIPS_GCTL0_AT		(_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT)
772 #define MIPS_GCTL0_GT_SHIFT	25
773 #define MIPS_GCTL0_GT		(_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT)
774 #define MIPS_GCTL0_CG_SHIFT	24
775 #define MIPS_GCTL0_CG		(_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT)
776 #define MIPS_GCTL0_CF_SHIFT	23
777 #define MIPS_GCTL0_CF		(_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT)
778 #define MIPS_GCTL0_G1_SHIFT	22
779 #define MIPS_GCTL0_G1		(_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT)
780 #define MIPS_GCTL0_G0E_SHIFT	19
781 #define MIPS_GCTL0_G0E		(_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT)
782 #define MIPS_GCTL0_PT_SHIFT	18
783 #define MIPS_GCTL0_PT		(_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT)
784 #define MIPS_GCTL0_RAD_SHIFT	9
785 #define MIPS_GCTL0_RAD		(_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT)
786 #define MIPS_GCTL0_DRG_SHIFT	8
787 #define MIPS_GCTL0_DRG		(_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT)
788 #define MIPS_GCTL0_G2_SHIFT	7
789 #define MIPS_GCTL0_G2		(_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT)
790 #define MIPS_GCTL0_GEXC_SHIFT	2
791 #define MIPS_GCTL0_GEXC		(_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT)
792 #define MIPS_GCTL0_SFC2_SHIFT	1
793 #define MIPS_GCTL0_SFC2		(_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT)
794 #define MIPS_GCTL0_SFC1_SHIFT	0
795 #define MIPS_GCTL0_SFC1		(_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT)
796 
797 /* GuestCtl0.AT Guest address translation control */
798 #define MIPS_GCTL0_AT_ROOT	1  /* Guest MMU under Root control */
799 #define MIPS_GCTL0_AT_GUEST	3  /* Guest MMU under Guest control */
800 
801 /* GuestCtl0.GExcCode Hypervisor exception cause codes */
802 #define MIPS_GCTL0_GEXC_GPSI	0  /* Guest Privileged Sensitive Instruction */
803 #define MIPS_GCTL0_GEXC_GSFC	1  /* Guest Software Field Change */
804 #define MIPS_GCTL0_GEXC_HC	2  /* Hypercall */
805 #define MIPS_GCTL0_GEXC_GRR	3  /* Guest Reserved Instruction Redirect */
806 #define MIPS_GCTL0_GEXC_GVA	8  /* Guest Virtual Address available */
807 #define MIPS_GCTL0_GEXC_GHFC	9  /* Guest Hardware Field Change */
808 #define MIPS_GCTL0_GEXC_GPA	10 /* Guest Physical Address available */
809 
810 /* GuestCtl0Ext fields */
811 #define MIPS_GCTL0EXT_RPW_SHIFT	8
812 #define MIPS_GCTL0EXT_RPW	(_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT)
813 #define MIPS_GCTL0EXT_NCC_SHIFT	6
814 #define MIPS_GCTL0EXT_NCC	(_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT)
815 #define MIPS_GCTL0EXT_CGI_SHIFT	4
816 #define MIPS_GCTL0EXT_CGI	(_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT)
817 #define MIPS_GCTL0EXT_FCD_SHIFT	3
818 #define MIPS_GCTL0EXT_FCD	(_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT)
819 #define MIPS_GCTL0EXT_OG_SHIFT	2
820 #define MIPS_GCTL0EXT_OG	(_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT)
821 #define MIPS_GCTL0EXT_BG_SHIFT	1
822 #define MIPS_GCTL0EXT_BG	(_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT)
823 #define MIPS_GCTL0EXT_MG_SHIFT	0
824 #define MIPS_GCTL0EXT_MG	(_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT)
825 
826 /* GuestCtl0Ext.RPW Root page walk configuration */
827 #define MIPS_GCTL0EXT_RPW_BOTH	0  /* Root PW for GPA->RPA and RVA->RPA */
828 #define MIPS_GCTL0EXT_RPW_GPA	2  /* Root PW for GPA->RPA */
829 #define MIPS_GCTL0EXT_RPW_RVA	3  /* Root PW for RVA->RPA */
830 
831 /* GuestCtl0Ext.NCC Nested cache coherency attributes */
832 #define MIPS_GCTL0EXT_NCC_IND	0  /* Guest CCA independent of Root CCA */
833 #define MIPS_GCTL0EXT_NCC_MOD	1  /* Guest CCA modified by Root CCA */
834 
835 /* GuestCtl1 fields */
836 #define MIPS_GCTL1_ID_SHIFT	0
837 #define MIPS_GCTL1_ID_WIDTH	8
838 #define MIPS_GCTL1_ID		(_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT)
839 #define MIPS_GCTL1_RID_SHIFT	16
840 #define MIPS_GCTL1_RID_WIDTH	8
841 #define MIPS_GCTL1_RID		(_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT)
842 #define MIPS_GCTL1_EID_SHIFT	24
843 #define MIPS_GCTL1_EID_WIDTH	8
844 #define MIPS_GCTL1_EID		(_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT)
845 
846 /* GuestID reserved for root context */
847 #define MIPS_GCTL1_ROOT_GUESTID	0
848 
849 /* CDMMBase register bit definitions */
850 #define MIPS_CDMMBASE_SIZE_SHIFT 0
851 #define MIPS_CDMMBASE_SIZE	(_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
852 #define MIPS_CDMMBASE_CI	(_ULCAST_(1) << 9)
853 #define MIPS_CDMMBASE_EN	(_ULCAST_(1) << 10)
854 #define MIPS_CDMMBASE_ADDR_SHIFT 11
855 #define MIPS_CDMMBASE_ADDR_START 15
856 
857 /* RDHWR register numbers */
858 #define MIPS_HWR_CPUNUM		0	/* CPU number */
859 #define MIPS_HWR_SYNCISTEP	1	/* SYNCI step size */
860 #define MIPS_HWR_CC		2	/* Cycle counter */
861 #define MIPS_HWR_CCRES		3	/* Cycle counter resolution */
862 #define MIPS_HWR_ULR		29	/* UserLocal */
863 #define MIPS_HWR_IMPL1		30	/* Implementation dependent */
864 #define MIPS_HWR_IMPL2		31	/* Implementation dependent */
865 
866 /* Bits in HWREna register */
867 #define MIPS_HWRENA_CPUNUM	(_ULCAST_(1) << MIPS_HWR_CPUNUM)
868 #define MIPS_HWRENA_SYNCISTEP	(_ULCAST_(1) << MIPS_HWR_SYNCISTEP)
869 #define MIPS_HWRENA_CC		(_ULCAST_(1) << MIPS_HWR_CC)
870 #define MIPS_HWRENA_CCRES	(_ULCAST_(1) << MIPS_HWR_CCRES)
871 #define MIPS_HWRENA_ULR		(_ULCAST_(1) << MIPS_HWR_ULR)
872 #define MIPS_HWRENA_IMPL1	(_ULCAST_(1) << MIPS_HWR_IMPL1)
873 #define MIPS_HWRENA_IMPL2	(_ULCAST_(1) << MIPS_HWR_IMPL2)
874 
875 /*
876  * Bitfields in the TX39 family CP0 Configuration Register 3
877  */
878 #define TX39_CONF_ICS_SHIFT	19
879 #define TX39_CONF_ICS_MASK	0x00380000
880 #define TX39_CONF_ICS_1KB	0x00000000
881 #define TX39_CONF_ICS_2KB	0x00080000
882 #define TX39_CONF_ICS_4KB	0x00100000
883 #define TX39_CONF_ICS_8KB	0x00180000
884 #define TX39_CONF_ICS_16KB	0x00200000
885 
886 #define TX39_CONF_DCS_SHIFT	16
887 #define TX39_CONF_DCS_MASK	0x00070000
888 #define TX39_CONF_DCS_1KB	0x00000000
889 #define TX39_CONF_DCS_2KB	0x00010000
890 #define TX39_CONF_DCS_4KB	0x00020000
891 #define TX39_CONF_DCS_8KB	0x00030000
892 #define TX39_CONF_DCS_16KB	0x00040000
893 
894 #define TX39_CONF_CWFON		0x00004000
895 #define TX39_CONF_WBON		0x00002000
896 #define TX39_CONF_RF_SHIFT	10
897 #define TX39_CONF_RF_MASK	0x00000c00
898 #define TX39_CONF_DOZE		0x00000200
899 #define TX39_CONF_HALT		0x00000100
900 #define TX39_CONF_LOCK		0x00000080
901 #define TX39_CONF_ICE		0x00000020
902 #define TX39_CONF_DCE		0x00000010
903 #define TX39_CONF_IRSIZE_SHIFT	2
904 #define TX39_CONF_IRSIZE_MASK	0x0000000c
905 #define TX39_CONF_DRSIZE_SHIFT	0
906 #define TX39_CONF_DRSIZE_MASK	0x00000003
907 
908 /*
909  * Interesting Bits in the R10K CP0 Branch Diagnostic Register
910  */
911 /* Disable Branch Target Address Cache */
912 #define R10K_DIAG_D_BTAC	(_ULCAST_(1) << 27)
913 /* Enable Branch Prediction Global History */
914 #define R10K_DIAG_E_GHIST	(_ULCAST_(1) << 26)
915 /* Disable Branch Return Cache */
916 #define R10K_DIAG_D_BRC		(_ULCAST_(1) << 22)
917 
918 /* Flush ITLB */
919 #define LOONGSON_DIAG_ITLB	(_ULCAST_(1) << 2)
920 /* Flush DTLB */
921 #define LOONGSON_DIAG_DTLB	(_ULCAST_(1) << 3)
922 /* Flush VTLB */
923 #define LOONGSON_DIAG_VTLB	(_ULCAST_(1) << 12)
924 /* Flush FTLB */
925 #define LOONGSON_DIAG_FTLB	(_ULCAST_(1) << 13)
926 
927 /*
928  * Coprocessor 1 (FPU) register names
929  */
930 #define CP1_REVISION	$0
931 #define CP1_UFR		$1
932 #define CP1_UNFR	$4
933 #define CP1_FCCR	$25
934 #define CP1_FEXR	$26
935 #define CP1_FENR	$28
936 #define CP1_STATUS	$31
937 
938 
939 /*
940  * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
941  */
942 #define MIPS_FPIR_S		(_ULCAST_(1) << 16)
943 #define MIPS_FPIR_D		(_ULCAST_(1) << 17)
944 #define MIPS_FPIR_PS		(_ULCAST_(1) << 18)
945 #define MIPS_FPIR_3D		(_ULCAST_(1) << 19)
946 #define MIPS_FPIR_W		(_ULCAST_(1) << 20)
947 #define MIPS_FPIR_L		(_ULCAST_(1) << 21)
948 #define MIPS_FPIR_F64		(_ULCAST_(1) << 22)
949 #define MIPS_FPIR_HAS2008	(_ULCAST_(1) << 23)
950 #define MIPS_FPIR_UFRP		(_ULCAST_(1) << 28)
951 #define MIPS_FPIR_FREP		(_ULCAST_(1) << 29)
952 
953 /*
954  * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
955  */
956 #define MIPS_FCCR_CONDX_S	0
957 #define MIPS_FCCR_CONDX		(_ULCAST_(255) << MIPS_FCCR_CONDX_S)
958 #define MIPS_FCCR_COND0_S	0
959 #define MIPS_FCCR_COND0		(_ULCAST_(1) << MIPS_FCCR_COND0_S)
960 #define MIPS_FCCR_COND1_S	1
961 #define MIPS_FCCR_COND1		(_ULCAST_(1) << MIPS_FCCR_COND1_S)
962 #define MIPS_FCCR_COND2_S	2
963 #define MIPS_FCCR_COND2		(_ULCAST_(1) << MIPS_FCCR_COND2_S)
964 #define MIPS_FCCR_COND3_S	3
965 #define MIPS_FCCR_COND3		(_ULCAST_(1) << MIPS_FCCR_COND3_S)
966 #define MIPS_FCCR_COND4_S	4
967 #define MIPS_FCCR_COND4		(_ULCAST_(1) << MIPS_FCCR_COND4_S)
968 #define MIPS_FCCR_COND5_S	5
969 #define MIPS_FCCR_COND5		(_ULCAST_(1) << MIPS_FCCR_COND5_S)
970 #define MIPS_FCCR_COND6_S	6
971 #define MIPS_FCCR_COND6		(_ULCAST_(1) << MIPS_FCCR_COND6_S)
972 #define MIPS_FCCR_COND7_S	7
973 #define MIPS_FCCR_COND7		(_ULCAST_(1) << MIPS_FCCR_COND7_S)
974 
975 /*
976  * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
977  */
978 #define MIPS_FENR_FS_S		2
979 #define MIPS_FENR_FS		(_ULCAST_(1) << MIPS_FENR_FS_S)
980 
981 /*
982  * FPU Status Register Values
983  */
984 #define FPU_CSR_COND_S	23					/* $fcc0 */
985 #define FPU_CSR_COND	(_ULCAST_(1) << FPU_CSR_COND_S)
986 
987 #define FPU_CSR_FS_S	24		/* flush denormalised results to 0 */
988 #define FPU_CSR_FS	(_ULCAST_(1) << FPU_CSR_FS_S)
989 
990 #define FPU_CSR_CONDX_S	25					/* $fcc[7:1] */
991 #define FPU_CSR_CONDX	(_ULCAST_(127) << FPU_CSR_CONDX_S)
992 #define FPU_CSR_COND1_S	25					/* $fcc1 */
993 #define FPU_CSR_COND1	(_ULCAST_(1) << FPU_CSR_COND1_S)
994 #define FPU_CSR_COND2_S	26					/* $fcc2 */
995 #define FPU_CSR_COND2	(_ULCAST_(1) << FPU_CSR_COND2_S)
996 #define FPU_CSR_COND3_S	27					/* $fcc3 */
997 #define FPU_CSR_COND3	(_ULCAST_(1) << FPU_CSR_COND3_S)
998 #define FPU_CSR_COND4_S	28					/* $fcc4 */
999 #define FPU_CSR_COND4	(_ULCAST_(1) << FPU_CSR_COND4_S)
1000 #define FPU_CSR_COND5_S	29					/* $fcc5 */
1001 #define FPU_CSR_COND5	(_ULCAST_(1) << FPU_CSR_COND5_S)
1002 #define FPU_CSR_COND6_S	30					/* $fcc6 */
1003 #define FPU_CSR_COND6	(_ULCAST_(1) << FPU_CSR_COND6_S)
1004 #define FPU_CSR_COND7_S	31					/* $fcc7 */
1005 #define FPU_CSR_COND7	(_ULCAST_(1) << FPU_CSR_COND7_S)
1006 
1007 /*
1008  * Bits 22:20 of the FPU Status Register will be read as 0,
1009  * and should be written as zero.
1010  */
1011 #define FPU_CSR_RSVD	(_ULCAST_(7) << 20)
1012 
1013 #define FPU_CSR_ABS2008	(_ULCAST_(1) << 19)
1014 #define FPU_CSR_NAN2008	(_ULCAST_(1) << 18)
1015 
1016 /*
1017  * X the exception cause indicator
1018  * E the exception enable
1019  * S the sticky/flag bit
1020 */
1021 #define FPU_CSR_ALL_X	0x0003f000
1022 #define FPU_CSR_UNI_X	0x00020000
1023 #define FPU_CSR_INV_X	0x00010000
1024 #define FPU_CSR_DIV_X	0x00008000
1025 #define FPU_CSR_OVF_X	0x00004000
1026 #define FPU_CSR_UDF_X	0x00002000
1027 #define FPU_CSR_INE_X	0x00001000
1028 
1029 #define FPU_CSR_ALL_E	0x00000f80
1030 #define FPU_CSR_INV_E	0x00000800
1031 #define FPU_CSR_DIV_E	0x00000400
1032 #define FPU_CSR_OVF_E	0x00000200
1033 #define FPU_CSR_UDF_E	0x00000100
1034 #define FPU_CSR_INE_E	0x00000080
1035 
1036 #define FPU_CSR_ALL_S	0x0000007c
1037 #define FPU_CSR_INV_S	0x00000040
1038 #define FPU_CSR_DIV_S	0x00000020
1039 #define FPU_CSR_OVF_S	0x00000010
1040 #define FPU_CSR_UDF_S	0x00000008
1041 #define FPU_CSR_INE_S	0x00000004
1042 
1043 /* Bits 0 and 1 of FPU Status Register specify the rounding mode */
1044 #define FPU_CSR_RM	0x00000003
1045 #define FPU_CSR_RN	0x0	/* nearest */
1046 #define FPU_CSR_RZ	0x1	/* towards zero */
1047 #define FPU_CSR_RU	0x2	/* towards +Infinity */
1048 #define FPU_CSR_RD	0x3	/* towards -Infinity */
1049 
1050 
1051 #ifndef __ASSEMBLY__
1052 
1053 /*
1054  * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
1055  */
1056 #if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
1057     defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
1058 #define get_isa16_mode(x)		((x) & 0x1)
1059 #define msk_isa16_mode(x)		((x) & ~0x1)
1060 #define set_isa16_mode(x)		do { (x) |= 0x1; } while(0)
1061 #else
1062 #define get_isa16_mode(x)		0
1063 #define msk_isa16_mode(x)		(x)
1064 #define set_isa16_mode(x)		do { } while(0)
1065 #endif
1066 
1067 /*
1068  * microMIPS instructions can be 16-bit or 32-bit in length. This
1069  * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
1070  */
1071 static inline int mm_insn_16bit(u16 insn)
1072 {
1073 	u16 opcode = (insn >> 10) & 0x7;
1074 
1075 	return (opcode >= 1 && opcode <= 3) ? 1 : 0;
1076 }
1077 
1078 /*
1079  * Helper macros for generating raw instruction encodings in inline asm.
1080  */
1081 #ifdef CONFIG_CPU_MICROMIPS
1082 #define _ASM_INSN16_IF_MM(_enc)			\
1083 	".insn\n\t"				\
1084 	".hword (" #_enc ")\n\t"
1085 #define _ASM_INSN32_IF_MM(_enc)			\
1086 	".insn\n\t"				\
1087 	".hword ((" #_enc ") >> 16)\n\t"	\
1088 	".hword ((" #_enc ") & 0xffff)\n\t"
1089 #else
1090 #define _ASM_INSN_IF_MIPS(_enc)			\
1091 	".insn\n\t"				\
1092 	".word (" #_enc ")\n\t"
1093 #endif
1094 
1095 #ifndef _ASM_INSN16_IF_MM
1096 #define _ASM_INSN16_IF_MM(_enc)
1097 #endif
1098 #ifndef _ASM_INSN32_IF_MM
1099 #define _ASM_INSN32_IF_MM(_enc)
1100 #endif
1101 #ifndef _ASM_INSN_IF_MIPS
1102 #define _ASM_INSN_IF_MIPS(_enc)
1103 #endif
1104 
1105 /*
1106  * TLB Invalidate Flush
1107  */
1108 static inline void tlbinvf(void)
1109 {
1110 	__asm__ __volatile__(
1111 		".set push\n\t"
1112 		".set noreorder\n\t"
1113 		"# tlbinvf\n\t"
1114 		_ASM_INSN_IF_MIPS(0x42000004)
1115 		_ASM_INSN32_IF_MM(0x0000537c)
1116 		".set pop");
1117 }
1118 
1119 
1120 /*
1121  * Functions to access the R10000 performance counters.	 These are basically
1122  * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
1123  * performance counter number encoded into bits 1 ... 5 of the instruction.
1124  * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
1125  * disassembler these will look like an access to sel 0 or 1.
1126  */
1127 #define read_r10k_perf_cntr(counter)				\
1128 ({								\
1129 	unsigned int __res;					\
1130 	__asm__ __volatile__(					\
1131 	"mfpc\t%0, %1"						\
1132 	: "=r" (__res)						\
1133 	: "i" (counter));					\
1134 								\
1135 	__res;							\
1136 })
1137 
1138 #define write_r10k_perf_cntr(counter,val)			\
1139 do {								\
1140 	__asm__ __volatile__(					\
1141 	"mtpc\t%0, %1"						\
1142 	:							\
1143 	: "r" (val), "i" (counter));				\
1144 } while (0)
1145 
1146 #define read_r10k_perf_event(counter)				\
1147 ({								\
1148 	unsigned int __res;					\
1149 	__asm__ __volatile__(					\
1150 	"mfps\t%0, %1"						\
1151 	: "=r" (__res)						\
1152 	: "i" (counter));					\
1153 								\
1154 	__res;							\
1155 })
1156 
1157 #define write_r10k_perf_cntl(counter,val)			\
1158 do {								\
1159 	__asm__ __volatile__(					\
1160 	"mtps\t%0, %1"						\
1161 	:							\
1162 	: "r" (val), "i" (counter));				\
1163 } while (0)
1164 
1165 
1166 /*
1167  * Macros to access the system control coprocessor
1168  */
1169 
1170 #define __read_32bit_c0_register(source, sel)				\
1171 ({ unsigned int __res;							\
1172 	if (sel == 0)							\
1173 		__asm__ __volatile__(					\
1174 			"mfc0\t%0, " #source "\n\t"			\
1175 			: "=r" (__res));				\
1176 	else								\
1177 		__asm__ __volatile__(					\
1178 			".set\tmips32\n\t"				\
1179 			"mfc0\t%0, " #source ", " #sel "\n\t"		\
1180 			".set\tmips0\n\t"				\
1181 			: "=r" (__res));				\
1182 	__res;								\
1183 })
1184 
1185 #define __read_64bit_c0_register(source, sel)				\
1186 ({ unsigned long long __res;						\
1187 	if (sizeof(unsigned long) == 4)					\
1188 		__res = __read_64bit_c0_split(source, sel);		\
1189 	else if (sel == 0)						\
1190 		__asm__ __volatile__(					\
1191 			".set\tmips3\n\t"				\
1192 			"dmfc0\t%0, " #source "\n\t"			\
1193 			".set\tmips0"					\
1194 			: "=r" (__res));				\
1195 	else								\
1196 		__asm__ __volatile__(					\
1197 			".set\tmips64\n\t"				\
1198 			"dmfc0\t%0, " #source ", " #sel "\n\t"		\
1199 			".set\tmips0"					\
1200 			: "=r" (__res));				\
1201 	__res;								\
1202 })
1203 
1204 #define __write_32bit_c0_register(register, sel, value)			\
1205 do {									\
1206 	if (sel == 0)							\
1207 		__asm__ __volatile__(					\
1208 			"mtc0\t%z0, " #register "\n\t"			\
1209 			: : "Jr" ((unsigned int)(value)));		\
1210 	else								\
1211 		__asm__ __volatile__(					\
1212 			".set\tmips32\n\t"				\
1213 			"mtc0\t%z0, " #register ", " #sel "\n\t"	\
1214 			".set\tmips0"					\
1215 			: : "Jr" ((unsigned int)(value)));		\
1216 } while (0)
1217 
1218 #define __write_64bit_c0_register(register, sel, value)			\
1219 do {									\
1220 	if (sizeof(unsigned long) == 4)					\
1221 		__write_64bit_c0_split(register, sel, value);		\
1222 	else if (sel == 0)						\
1223 		__asm__ __volatile__(					\
1224 			".set\tmips3\n\t"				\
1225 			"dmtc0\t%z0, " #register "\n\t"			\
1226 			".set\tmips0"					\
1227 			: : "Jr" (value));				\
1228 	else								\
1229 		__asm__ __volatile__(					\
1230 			".set\tmips64\n\t"				\
1231 			"dmtc0\t%z0, " #register ", " #sel "\n\t"	\
1232 			".set\tmips0"					\
1233 			: : "Jr" (value));				\
1234 } while (0)
1235 
1236 #define __read_ulong_c0_register(reg, sel)				\
1237 	((sizeof(unsigned long) == 4) ?					\
1238 	(unsigned long) __read_32bit_c0_register(reg, sel) :		\
1239 	(unsigned long) __read_64bit_c0_register(reg, sel))
1240 
1241 #define __write_ulong_c0_register(reg, sel, val)			\
1242 do {									\
1243 	if (sizeof(unsigned long) == 4)					\
1244 		__write_32bit_c0_register(reg, sel, val);		\
1245 	else								\
1246 		__write_64bit_c0_register(reg, sel, val);		\
1247 } while (0)
1248 
1249 /*
1250  * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1251  */
1252 #define __read_32bit_c0_ctrl_register(source)				\
1253 ({ unsigned int __res;							\
1254 	__asm__ __volatile__(						\
1255 		"cfc0\t%0, " #source "\n\t"				\
1256 		: "=r" (__res));					\
1257 	__res;								\
1258 })
1259 
1260 #define __write_32bit_c0_ctrl_register(register, value)			\
1261 do {									\
1262 	__asm__ __volatile__(						\
1263 		"ctc0\t%z0, " #register "\n\t"				\
1264 		: : "Jr" ((unsigned int)(value)));			\
1265 } while (0)
1266 
1267 /*
1268  * These versions are only needed for systems with more than 38 bits of
1269  * physical address space running the 32-bit kernel.  That's none atm :-)
1270  */
1271 #define __read_64bit_c0_split(source, sel)				\
1272 ({									\
1273 	unsigned long long __val;					\
1274 	unsigned long __flags;						\
1275 									\
1276 	local_irq_save(__flags);					\
1277 	if (sel == 0)							\
1278 		__asm__ __volatile__(					\
1279 			".set\tmips64\n\t"				\
1280 			"dmfc0\t%M0, " #source "\n\t"			\
1281 			"dsll\t%L0, %M0, 32\n\t"			\
1282 			"dsra\t%M0, %M0, 32\n\t"			\
1283 			"dsra\t%L0, %L0, 32\n\t"			\
1284 			".set\tmips0"					\
1285 			: "=r" (__val));				\
1286 	else								\
1287 		__asm__ __volatile__(					\
1288 			".set\tmips64\n\t"				\
1289 			"dmfc0\t%M0, " #source ", " #sel "\n\t"		\
1290 			"dsll\t%L0, %M0, 32\n\t"			\
1291 			"dsra\t%M0, %M0, 32\n\t"			\
1292 			"dsra\t%L0, %L0, 32\n\t"			\
1293 			".set\tmips0"					\
1294 			: "=r" (__val));				\
1295 	local_irq_restore(__flags);					\
1296 									\
1297 	__val;								\
1298 })
1299 
1300 #define __write_64bit_c0_split(source, sel, val)			\
1301 do {									\
1302 	unsigned long __flags;						\
1303 									\
1304 	local_irq_save(__flags);					\
1305 	if (sel == 0)							\
1306 		__asm__ __volatile__(					\
1307 			".set\tmips64\n\t"				\
1308 			"dsll\t%L0, %L0, 32\n\t"			\
1309 			"dsrl\t%L0, %L0, 32\n\t"			\
1310 			"dsll\t%M0, %M0, 32\n\t"			\
1311 			"or\t%L0, %L0, %M0\n\t"				\
1312 			"dmtc0\t%L0, " #source "\n\t"			\
1313 			".set\tmips0"					\
1314 			: : "r" (val));					\
1315 	else								\
1316 		__asm__ __volatile__(					\
1317 			".set\tmips64\n\t"				\
1318 			"dsll\t%L0, %L0, 32\n\t"			\
1319 			"dsrl\t%L0, %L0, 32\n\t"			\
1320 			"dsll\t%M0, %M0, 32\n\t"			\
1321 			"or\t%L0, %L0, %M0\n\t"				\
1322 			"dmtc0\t%L0, " #source ", " #sel "\n\t"		\
1323 			".set\tmips0"					\
1324 			: : "r" (val));					\
1325 	local_irq_restore(__flags);					\
1326 } while (0)
1327 
1328 #define __readx_32bit_c0_register(source)				\
1329 ({									\
1330 	unsigned int __res;						\
1331 									\
1332 	__asm__ __volatile__(						\
1333 	"	.set	push					\n"	\
1334 	"	.set	noat					\n"	\
1335 	"	.set	mips32r2				\n"	\
1336 	"	# mfhc0 $1, %1					\n"	\
1337 	_ASM_INSN_IF_MIPS(0x40410000 | ((%1 & 0x1f) << 11))		\
1338 	_ASM_INSN32_IF_MM(0x002000f4 | ((%1 & 0x1f) << 16))		\
1339 	"	move	%0, $1					\n"	\
1340 	"	.set	pop					\n"	\
1341 	: "=r" (__res)							\
1342 	: "i" (source));						\
1343 	__res;								\
1344 })
1345 
1346 #define __writex_32bit_c0_register(register, value)			\
1347 do {									\
1348 	__asm__ __volatile__(						\
1349 	"	.set	push					\n"	\
1350 	"	.set	noat					\n"	\
1351 	"	.set	mips32r2				\n"	\
1352 	"	move	$1, %0					\n"	\
1353 	"	# mthc0 $1, %1					\n"	\
1354 	_ASM_INSN_IF_MIPS(0x40c10000 | ((%1 & 0x1f) << 11))		\
1355 	_ASM_INSN32_IF_MM(0x002002f4 | ((%1 & 0x1f) << 16))		\
1356 	"	.set	pop					\n"	\
1357 	:								\
1358 	: "r" (value), "i" (register));					\
1359 } while (0)
1360 
1361 #define read_c0_index()		__read_32bit_c0_register($0, 0)
1362 #define write_c0_index(val)	__write_32bit_c0_register($0, 0, val)
1363 
1364 #define read_c0_random()	__read_32bit_c0_register($1, 0)
1365 #define write_c0_random(val)	__write_32bit_c0_register($1, 0, val)
1366 
1367 #define read_c0_entrylo0()	__read_ulong_c0_register($2, 0)
1368 #define write_c0_entrylo0(val)	__write_ulong_c0_register($2, 0, val)
1369 
1370 #define readx_c0_entrylo0()	__readx_32bit_c0_register(2)
1371 #define writex_c0_entrylo0(val)	__writex_32bit_c0_register(2, val)
1372 
1373 #define read_c0_entrylo1()	__read_ulong_c0_register($3, 0)
1374 #define write_c0_entrylo1(val)	__write_ulong_c0_register($3, 0, val)
1375 
1376 #define readx_c0_entrylo1()	__readx_32bit_c0_register(3)
1377 #define writex_c0_entrylo1(val)	__writex_32bit_c0_register(3, val)
1378 
1379 #define read_c0_conf()		__read_32bit_c0_register($3, 0)
1380 #define write_c0_conf(val)	__write_32bit_c0_register($3, 0, val)
1381 
1382 #define read_c0_context()	__read_ulong_c0_register($4, 0)
1383 #define write_c0_context(val)	__write_ulong_c0_register($4, 0, val)
1384 
1385 #define read_c0_contextconfig()		__read_32bit_c0_register($4, 1)
1386 #define write_c0_contextconfig(val)	__write_32bit_c0_register($4, 1, val)
1387 
1388 #define read_c0_userlocal()	__read_ulong_c0_register($4, 2)
1389 #define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
1390 
1391 #define read_c0_xcontextconfig()	__read_ulong_c0_register($4, 3)
1392 #define write_c0_xcontextconfig(val)	__write_ulong_c0_register($4, 3, val)
1393 
1394 #define read_c0_pagemask()	__read_32bit_c0_register($5, 0)
1395 #define write_c0_pagemask(val)	__write_32bit_c0_register($5, 0, val)
1396 
1397 #define read_c0_pagegrain()	__read_32bit_c0_register($5, 1)
1398 #define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
1399 
1400 #define read_c0_wired()		__read_32bit_c0_register($6, 0)
1401 #define write_c0_wired(val)	__write_32bit_c0_register($6, 0, val)
1402 
1403 #define read_c0_info()		__read_32bit_c0_register($7, 0)
1404 
1405 #define read_c0_cache()		__read_32bit_c0_register($7, 0) /* TX39xx */
1406 #define write_c0_cache(val)	__write_32bit_c0_register($7, 0, val)
1407 
1408 #define read_c0_badvaddr()	__read_ulong_c0_register($8, 0)
1409 #define write_c0_badvaddr(val)	__write_ulong_c0_register($8, 0, val)
1410 
1411 #define read_c0_badinstr()	__read_32bit_c0_register($8, 1)
1412 #define read_c0_badinstrp()	__read_32bit_c0_register($8, 2)
1413 
1414 #define read_c0_count()		__read_32bit_c0_register($9, 0)
1415 #define write_c0_count(val)	__write_32bit_c0_register($9, 0, val)
1416 
1417 #define read_c0_count2()	__read_32bit_c0_register($9, 6) /* pnx8550 */
1418 #define write_c0_count2(val)	__write_32bit_c0_register($9, 6, val)
1419 
1420 #define read_c0_count3()	__read_32bit_c0_register($9, 7) /* pnx8550 */
1421 #define write_c0_count3(val)	__write_32bit_c0_register($9, 7, val)
1422 
1423 #define read_c0_entryhi()	__read_ulong_c0_register($10, 0)
1424 #define write_c0_entryhi(val)	__write_ulong_c0_register($10, 0, val)
1425 
1426 #define read_c0_guestctl1()	__read_32bit_c0_register($10, 4)
1427 #define write_c0_guestctl1(val)	__write_32bit_c0_register($10, 4, val)
1428 
1429 #define read_c0_guestctl2()	__read_32bit_c0_register($10, 5)
1430 #define write_c0_guestctl2(val)	__write_32bit_c0_register($10, 5, val)
1431 
1432 #define read_c0_guestctl3()	__read_32bit_c0_register($10, 6)
1433 #define write_c0_guestctl3(val)	__write_32bit_c0_register($10, 6, val)
1434 
1435 #define read_c0_compare()	__read_32bit_c0_register($11, 0)
1436 #define write_c0_compare(val)	__write_32bit_c0_register($11, 0, val)
1437 
1438 #define read_c0_guestctl0ext()	__read_32bit_c0_register($11, 4)
1439 #define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val)
1440 
1441 #define read_c0_compare2()	__read_32bit_c0_register($11, 6) /* pnx8550 */
1442 #define write_c0_compare2(val)	__write_32bit_c0_register($11, 6, val)
1443 
1444 #define read_c0_compare3()	__read_32bit_c0_register($11, 7) /* pnx8550 */
1445 #define write_c0_compare3(val)	__write_32bit_c0_register($11, 7, val)
1446 
1447 #define read_c0_status()	__read_32bit_c0_register($12, 0)
1448 
1449 #define write_c0_status(val)	__write_32bit_c0_register($12, 0, val)
1450 
1451 #define read_c0_guestctl0()	__read_32bit_c0_register($12, 6)
1452 #define write_c0_guestctl0(val)	__write_32bit_c0_register($12, 6, val)
1453 
1454 #define read_c0_gtoffset()	__read_32bit_c0_register($12, 7)
1455 #define write_c0_gtoffset(val)	__write_32bit_c0_register($12, 7, val)
1456 
1457 #define read_c0_cause()		__read_32bit_c0_register($13, 0)
1458 #define write_c0_cause(val)	__write_32bit_c0_register($13, 0, val)
1459 
1460 #define read_c0_epc()		__read_ulong_c0_register($14, 0)
1461 #define write_c0_epc(val)	__write_ulong_c0_register($14, 0, val)
1462 
1463 #define read_c0_prid()		__read_32bit_c0_register($15, 0)
1464 
1465 #define read_c0_cmgcrbase()	__read_ulong_c0_register($15, 3)
1466 
1467 #define read_c0_config()	__read_32bit_c0_register($16, 0)
1468 #define read_c0_config1()	__read_32bit_c0_register($16, 1)
1469 #define read_c0_config2()	__read_32bit_c0_register($16, 2)
1470 #define read_c0_config3()	__read_32bit_c0_register($16, 3)
1471 #define read_c0_config4()	__read_32bit_c0_register($16, 4)
1472 #define read_c0_config5()	__read_32bit_c0_register($16, 5)
1473 #define read_c0_config6()	__read_32bit_c0_register($16, 6)
1474 #define read_c0_config7()	__read_32bit_c0_register($16, 7)
1475 #define write_c0_config(val)	__write_32bit_c0_register($16, 0, val)
1476 #define write_c0_config1(val)	__write_32bit_c0_register($16, 1, val)
1477 #define write_c0_config2(val)	__write_32bit_c0_register($16, 2, val)
1478 #define write_c0_config3(val)	__write_32bit_c0_register($16, 3, val)
1479 #define write_c0_config4(val)	__write_32bit_c0_register($16, 4, val)
1480 #define write_c0_config5(val)	__write_32bit_c0_register($16, 5, val)
1481 #define write_c0_config6(val)	__write_32bit_c0_register($16, 6, val)
1482 #define write_c0_config7(val)	__write_32bit_c0_register($16, 7, val)
1483 
1484 #define read_c0_lladdr()	__read_ulong_c0_register($17, 0)
1485 #define write_c0_lladdr(val)	__write_ulong_c0_register($17, 0, val)
1486 #define read_c0_maar()		__read_ulong_c0_register($17, 1)
1487 #define write_c0_maar(val)	__write_ulong_c0_register($17, 1, val)
1488 #define read_c0_maari()		__read_32bit_c0_register($17, 2)
1489 #define write_c0_maari(val)	__write_32bit_c0_register($17, 2, val)
1490 
1491 /*
1492  * The WatchLo register.  There may be up to 8 of them.
1493  */
1494 #define read_c0_watchlo0()	__read_ulong_c0_register($18, 0)
1495 #define read_c0_watchlo1()	__read_ulong_c0_register($18, 1)
1496 #define read_c0_watchlo2()	__read_ulong_c0_register($18, 2)
1497 #define read_c0_watchlo3()	__read_ulong_c0_register($18, 3)
1498 #define read_c0_watchlo4()	__read_ulong_c0_register($18, 4)
1499 #define read_c0_watchlo5()	__read_ulong_c0_register($18, 5)
1500 #define read_c0_watchlo6()	__read_ulong_c0_register($18, 6)
1501 #define read_c0_watchlo7()	__read_ulong_c0_register($18, 7)
1502 #define write_c0_watchlo0(val)	__write_ulong_c0_register($18, 0, val)
1503 #define write_c0_watchlo1(val)	__write_ulong_c0_register($18, 1, val)
1504 #define write_c0_watchlo2(val)	__write_ulong_c0_register($18, 2, val)
1505 #define write_c0_watchlo3(val)	__write_ulong_c0_register($18, 3, val)
1506 #define write_c0_watchlo4(val)	__write_ulong_c0_register($18, 4, val)
1507 #define write_c0_watchlo5(val)	__write_ulong_c0_register($18, 5, val)
1508 #define write_c0_watchlo6(val)	__write_ulong_c0_register($18, 6, val)
1509 #define write_c0_watchlo7(val)	__write_ulong_c0_register($18, 7, val)
1510 
1511 /*
1512  * The WatchHi register.  There may be up to 8 of them.
1513  */
1514 #define read_c0_watchhi0()	__read_32bit_c0_register($19, 0)
1515 #define read_c0_watchhi1()	__read_32bit_c0_register($19, 1)
1516 #define read_c0_watchhi2()	__read_32bit_c0_register($19, 2)
1517 #define read_c0_watchhi3()	__read_32bit_c0_register($19, 3)
1518 #define read_c0_watchhi4()	__read_32bit_c0_register($19, 4)
1519 #define read_c0_watchhi5()	__read_32bit_c0_register($19, 5)
1520 #define read_c0_watchhi6()	__read_32bit_c0_register($19, 6)
1521 #define read_c0_watchhi7()	__read_32bit_c0_register($19, 7)
1522 
1523 #define write_c0_watchhi0(val)	__write_32bit_c0_register($19, 0, val)
1524 #define write_c0_watchhi1(val)	__write_32bit_c0_register($19, 1, val)
1525 #define write_c0_watchhi2(val)	__write_32bit_c0_register($19, 2, val)
1526 #define write_c0_watchhi3(val)	__write_32bit_c0_register($19, 3, val)
1527 #define write_c0_watchhi4(val)	__write_32bit_c0_register($19, 4, val)
1528 #define write_c0_watchhi5(val)	__write_32bit_c0_register($19, 5, val)
1529 #define write_c0_watchhi6(val)	__write_32bit_c0_register($19, 6, val)
1530 #define write_c0_watchhi7(val)	__write_32bit_c0_register($19, 7, val)
1531 
1532 #define read_c0_xcontext()	__read_ulong_c0_register($20, 0)
1533 #define write_c0_xcontext(val)	__write_ulong_c0_register($20, 0, val)
1534 
1535 #define read_c0_intcontrol()	__read_32bit_c0_ctrl_register($20)
1536 #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1537 
1538 #define read_c0_framemask()	__read_32bit_c0_register($21, 0)
1539 #define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1540 
1541 #define read_c0_diag()		__read_32bit_c0_register($22, 0)
1542 #define write_c0_diag(val)	__write_32bit_c0_register($22, 0, val)
1543 
1544 /* R10K CP0 Branch Diagnostic register is 64bits wide */
1545 #define read_c0_r10k_diag()	__read_64bit_c0_register($22, 0)
1546 #define write_c0_r10k_diag(val)	__write_64bit_c0_register($22, 0, val)
1547 
1548 #define read_c0_diag1()		__read_32bit_c0_register($22, 1)
1549 #define write_c0_diag1(val)	__write_32bit_c0_register($22, 1, val)
1550 
1551 #define read_c0_diag2()		__read_32bit_c0_register($22, 2)
1552 #define write_c0_diag2(val)	__write_32bit_c0_register($22, 2, val)
1553 
1554 #define read_c0_diag3()		__read_32bit_c0_register($22, 3)
1555 #define write_c0_diag3(val)	__write_32bit_c0_register($22, 3, val)
1556 
1557 #define read_c0_diag4()		__read_32bit_c0_register($22, 4)
1558 #define write_c0_diag4(val)	__write_32bit_c0_register($22, 4, val)
1559 
1560 #define read_c0_diag5()		__read_32bit_c0_register($22, 5)
1561 #define write_c0_diag5(val)	__write_32bit_c0_register($22, 5, val)
1562 
1563 #define read_c0_debug()		__read_32bit_c0_register($23, 0)
1564 #define write_c0_debug(val)	__write_32bit_c0_register($23, 0, val)
1565 
1566 #define read_c0_depc()		__read_ulong_c0_register($24, 0)
1567 #define write_c0_depc(val)	__write_ulong_c0_register($24, 0, val)
1568 
1569 /*
1570  * MIPS32 / MIPS64 performance counters
1571  */
1572 #define read_c0_perfctrl0()	__read_32bit_c0_register($25, 0)
1573 #define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1574 #define read_c0_perfcntr0()	__read_32bit_c0_register($25, 1)
1575 #define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
1576 #define read_c0_perfcntr0_64()	__read_64bit_c0_register($25, 1)
1577 #define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1578 #define read_c0_perfctrl1()	__read_32bit_c0_register($25, 2)
1579 #define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1580 #define read_c0_perfcntr1()	__read_32bit_c0_register($25, 3)
1581 #define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
1582 #define read_c0_perfcntr1_64()	__read_64bit_c0_register($25, 3)
1583 #define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1584 #define read_c0_perfctrl2()	__read_32bit_c0_register($25, 4)
1585 #define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1586 #define read_c0_perfcntr2()	__read_32bit_c0_register($25, 5)
1587 #define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
1588 #define read_c0_perfcntr2_64()	__read_64bit_c0_register($25, 5)
1589 #define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1590 #define read_c0_perfctrl3()	__read_32bit_c0_register($25, 6)
1591 #define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1592 #define read_c0_perfcntr3()	__read_32bit_c0_register($25, 7)
1593 #define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
1594 #define read_c0_perfcntr3_64()	__read_64bit_c0_register($25, 7)
1595 #define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1596 
1597 #define read_c0_ecc()		__read_32bit_c0_register($26, 0)
1598 #define write_c0_ecc(val)	__write_32bit_c0_register($26, 0, val)
1599 
1600 #define read_c0_derraddr0()	__read_ulong_c0_register($26, 1)
1601 #define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1602 
1603 #define read_c0_cacheerr()	__read_32bit_c0_register($27, 0)
1604 
1605 #define read_c0_derraddr1()	__read_ulong_c0_register($27, 1)
1606 #define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1607 
1608 #define read_c0_taglo()		__read_32bit_c0_register($28, 0)
1609 #define write_c0_taglo(val)	__write_32bit_c0_register($28, 0, val)
1610 
1611 #define read_c0_dtaglo()	__read_32bit_c0_register($28, 2)
1612 #define write_c0_dtaglo(val)	__write_32bit_c0_register($28, 2, val)
1613 
1614 #define read_c0_ddatalo()	__read_32bit_c0_register($28, 3)
1615 #define write_c0_ddatalo(val)	__write_32bit_c0_register($28, 3, val)
1616 
1617 #define read_c0_staglo()	__read_32bit_c0_register($28, 4)
1618 #define write_c0_staglo(val)	__write_32bit_c0_register($28, 4, val)
1619 
1620 #define read_c0_taghi()		__read_32bit_c0_register($29, 0)
1621 #define write_c0_taghi(val)	__write_32bit_c0_register($29, 0, val)
1622 
1623 #define read_c0_errorepc()	__read_ulong_c0_register($30, 0)
1624 #define write_c0_errorepc(val)	__write_ulong_c0_register($30, 0, val)
1625 
1626 /* MIPSR2 */
1627 #define read_c0_hwrena()	__read_32bit_c0_register($7, 0)
1628 #define write_c0_hwrena(val)	__write_32bit_c0_register($7, 0, val)
1629 
1630 #define read_c0_intctl()	__read_32bit_c0_register($12, 1)
1631 #define write_c0_intctl(val)	__write_32bit_c0_register($12, 1, val)
1632 
1633 #define read_c0_srsctl()	__read_32bit_c0_register($12, 2)
1634 #define write_c0_srsctl(val)	__write_32bit_c0_register($12, 2, val)
1635 
1636 #define read_c0_srsmap()	__read_32bit_c0_register($12, 3)
1637 #define write_c0_srsmap(val)	__write_32bit_c0_register($12, 3, val)
1638 
1639 #define read_c0_ebase()		__read_32bit_c0_register($15, 1)
1640 #define write_c0_ebase(val)	__write_32bit_c0_register($15, 1, val)
1641 
1642 #define read_c0_ebase_64()	__read_64bit_c0_register($15, 1)
1643 #define write_c0_ebase_64(val)	__write_64bit_c0_register($15, 1, val)
1644 
1645 #define read_c0_cdmmbase()	__read_ulong_c0_register($15, 2)
1646 #define write_c0_cdmmbase(val)	__write_ulong_c0_register($15, 2, val)
1647 
1648 /* MIPSR3 */
1649 #define read_c0_segctl0()	__read_32bit_c0_register($5, 2)
1650 #define write_c0_segctl0(val)	__write_32bit_c0_register($5, 2, val)
1651 
1652 #define read_c0_segctl1()	__read_32bit_c0_register($5, 3)
1653 #define write_c0_segctl1(val)	__write_32bit_c0_register($5, 3, val)
1654 
1655 #define read_c0_segctl2()	__read_32bit_c0_register($5, 4)
1656 #define write_c0_segctl2(val)	__write_32bit_c0_register($5, 4, val)
1657 
1658 /* Hardware Page Table Walker */
1659 #define read_c0_pwbase()	__read_ulong_c0_register($5, 5)
1660 #define write_c0_pwbase(val)	__write_ulong_c0_register($5, 5, val)
1661 
1662 #define read_c0_pwfield()	__read_ulong_c0_register($5, 6)
1663 #define write_c0_pwfield(val)	__write_ulong_c0_register($5, 6, val)
1664 
1665 #define read_c0_pwsize()	__read_ulong_c0_register($5, 7)
1666 #define write_c0_pwsize(val)	__write_ulong_c0_register($5, 7, val)
1667 
1668 #define read_c0_pwctl()		__read_32bit_c0_register($6, 6)
1669 #define write_c0_pwctl(val)	__write_32bit_c0_register($6, 6, val)
1670 
1671 #define read_c0_pgd()		__read_64bit_c0_register($9, 7)
1672 #define write_c0_pgd(val)	__write_64bit_c0_register($9, 7, val)
1673 
1674 #define read_c0_kpgd()		__read_64bit_c0_register($31, 7)
1675 #define write_c0_kpgd(val)	__write_64bit_c0_register($31, 7, val)
1676 
1677 /* Cavium OCTEON (cnMIPS) */
1678 #define read_c0_cvmcount()	__read_ulong_c0_register($9, 6)
1679 #define write_c0_cvmcount(val)	__write_ulong_c0_register($9, 6, val)
1680 
1681 #define read_c0_cvmctl()	__read_64bit_c0_register($9, 7)
1682 #define write_c0_cvmctl(val)	__write_64bit_c0_register($9, 7, val)
1683 
1684 #define read_c0_cvmmemctl()	__read_64bit_c0_register($11, 7)
1685 #define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
1686 /*
1687  * The cacheerr registers are not standardized.	 On OCTEON, they are
1688  * 64 bits wide.
1689  */
1690 #define read_octeon_c0_icacheerr()	__read_64bit_c0_register($27, 0)
1691 #define write_octeon_c0_icacheerr(val)	__write_64bit_c0_register($27, 0, val)
1692 
1693 #define read_octeon_c0_dcacheerr()	__read_64bit_c0_register($27, 1)
1694 #define write_octeon_c0_dcacheerr(val)	__write_64bit_c0_register($27, 1, val)
1695 
1696 /* BMIPS3300 */
1697 #define read_c0_brcm_config_0()		__read_32bit_c0_register($22, 0)
1698 #define write_c0_brcm_config_0(val)	__write_32bit_c0_register($22, 0, val)
1699 
1700 #define read_c0_brcm_bus_pll()		__read_32bit_c0_register($22, 4)
1701 #define write_c0_brcm_bus_pll(val)	__write_32bit_c0_register($22, 4, val)
1702 
1703 #define read_c0_brcm_reset()		__read_32bit_c0_register($22, 5)
1704 #define write_c0_brcm_reset(val)	__write_32bit_c0_register($22, 5, val)
1705 
1706 /* BMIPS43xx */
1707 #define read_c0_brcm_cmt_intr()		__read_32bit_c0_register($22, 1)
1708 #define write_c0_brcm_cmt_intr(val)	__write_32bit_c0_register($22, 1, val)
1709 
1710 #define read_c0_brcm_cmt_ctrl()		__read_32bit_c0_register($22, 2)
1711 #define write_c0_brcm_cmt_ctrl(val)	__write_32bit_c0_register($22, 2, val)
1712 
1713 #define read_c0_brcm_cmt_local()	__read_32bit_c0_register($22, 3)
1714 #define write_c0_brcm_cmt_local(val)	__write_32bit_c0_register($22, 3, val)
1715 
1716 #define read_c0_brcm_config_1()		__read_32bit_c0_register($22, 5)
1717 #define write_c0_brcm_config_1(val)	__write_32bit_c0_register($22, 5, val)
1718 
1719 #define read_c0_brcm_cbr()		__read_32bit_c0_register($22, 6)
1720 #define write_c0_brcm_cbr(val)		__write_32bit_c0_register($22, 6, val)
1721 
1722 /* BMIPS5000 */
1723 #define read_c0_brcm_config()		__read_32bit_c0_register($22, 0)
1724 #define write_c0_brcm_config(val)	__write_32bit_c0_register($22, 0, val)
1725 
1726 #define read_c0_brcm_mode()		__read_32bit_c0_register($22, 1)
1727 #define write_c0_brcm_mode(val)		__write_32bit_c0_register($22, 1, val)
1728 
1729 #define read_c0_brcm_action()		__read_32bit_c0_register($22, 2)
1730 #define write_c0_brcm_action(val)	__write_32bit_c0_register($22, 2, val)
1731 
1732 #define read_c0_brcm_edsp()		__read_32bit_c0_register($22, 3)
1733 #define write_c0_brcm_edsp(val)		__write_32bit_c0_register($22, 3, val)
1734 
1735 #define read_c0_brcm_bootvec()		__read_32bit_c0_register($22, 4)
1736 #define write_c0_brcm_bootvec(val)	__write_32bit_c0_register($22, 4, val)
1737 
1738 #define read_c0_brcm_sleepcount()	__read_32bit_c0_register($22, 7)
1739 #define write_c0_brcm_sleepcount(val)	__write_32bit_c0_register($22, 7, val)
1740 
1741 /*
1742  * Macros to access the guest system control coprocessor
1743  */
1744 
1745 #ifdef TOOLCHAIN_SUPPORTS_VIRT
1746 
1747 #define __read_32bit_gc0_register(source, sel)				\
1748 ({ int __res;								\
1749 	__asm__ __volatile__(						\
1750 		".set\tpush\n\t"					\
1751 		".set\tmips32r2\n\t"					\
1752 		".set\tvirt\n\t"					\
1753 		"mfgc0\t%0, $%1, %2\n\t"				\
1754 		".set\tpop"						\
1755 		: "=r" (__res)						\
1756 		: "i" (source), "i" (sel));				\
1757 	__res;								\
1758 })
1759 
1760 #define __read_64bit_gc0_register(source, sel)				\
1761 ({ unsigned long long __res;						\
1762 	__asm__ __volatile__(						\
1763 		".set\tpush\n\t"					\
1764 		".set\tmips64r2\n\t"					\
1765 		".set\tvirt\n\t"					\
1766 		"dmfgc0\t%0, $%1, %2\n\t"			\
1767 		".set\tpop"						\
1768 		: "=r" (__res)						\
1769 		: "i" (source), "i" (sel));				\
1770 	__res;								\
1771 })
1772 
1773 #define __write_32bit_gc0_register(register, sel, value)		\
1774 do {									\
1775 	__asm__ __volatile__(						\
1776 		".set\tpush\n\t"					\
1777 		".set\tmips32r2\n\t"					\
1778 		".set\tvirt\n\t"					\
1779 		"mtgc0\t%z0, $%1, %2\n\t"				\
1780 		".set\tpop"						\
1781 		: : "Jr" ((unsigned int)(value)),			\
1782 		    "i" (register), "i" (sel));				\
1783 } while (0)
1784 
1785 #define __write_64bit_gc0_register(register, sel, value)		\
1786 do {									\
1787 	__asm__ __volatile__(						\
1788 		".set\tpush\n\t"					\
1789 		".set\tmips64r2\n\t"					\
1790 		".set\tvirt\n\t"					\
1791 		"dmtgc0\t%z0, $%1, %2\n\t"				\
1792 		".set\tpop"						\
1793 		: : "Jr" (value),					\
1794 		    "i" (register), "i" (sel));				\
1795 } while (0)
1796 
1797 #else	/* TOOLCHAIN_SUPPORTS_VIRT */
1798 
1799 #define __read_32bit_gc0_register(source, sel)				\
1800 ({ int __res;								\
1801 	__asm__ __volatile__(						\
1802 		".set\tpush\n\t"					\
1803 		".set\tnoat\n\t"					\
1804 		"# mfgc0\t$1, $%1, %2\n\t"				\
1805 		_ASM_INSN_IF_MIPS(0x40610000 | %1 << 11 | %2)		\
1806 		_ASM_INSN32_IF_MM(0x002004fc | %1 << 16 | %2 << 11)	\
1807 		"move\t%0, $1\n\t"					\
1808 		".set\tpop"						\
1809 		: "=r" (__res)						\
1810 		: "i" (source), "i" (sel));				\
1811 	__res;								\
1812 })
1813 
1814 #define __read_64bit_gc0_register(source, sel)				\
1815 ({ unsigned long long __res;						\
1816 	__asm__ __volatile__(						\
1817 		".set\tpush\n\t"					\
1818 		".set\tnoat\n\t"					\
1819 		"# dmfgc0\t$1, $%1, %2\n\t"				\
1820 		_ASM_INSN_IF_MIPS(0x40610100 | %1 << 11 | %2)		\
1821 		_ASM_INSN32_IF_MM(0x582004fc | %1 << 16 | %2 << 11)	\
1822 		"move\t%0, $1\n\t"					\
1823 		".set\tpop"						\
1824 		: "=r" (__res)						\
1825 		: "i" (source), "i" (sel));				\
1826 	__res;								\
1827 })
1828 
1829 #define __write_32bit_gc0_register(register, sel, value)		\
1830 do {									\
1831 	__asm__ __volatile__(						\
1832 		".set\tpush\n\t"					\
1833 		".set\tnoat\n\t"					\
1834 		"move\t$1, %z0\n\t"					\
1835 		"# mtgc0\t$1, $%1, %2\n\t"				\
1836 		_ASM_INSN_IF_MIPS(0x40610200 | %1 << 11 | %2)		\
1837 		_ASM_INSN32_IF_MM(0x002006fc | %1 << 16 | %2 << 11)	\
1838 		".set\tpop"						\
1839 		: : "Jr" ((unsigned int)(value)),			\
1840 		    "i" (register), "i" (sel));				\
1841 } while (0)
1842 
1843 #define __write_64bit_gc0_register(register, sel, value)		\
1844 do {									\
1845 	__asm__ __volatile__(						\
1846 		".set\tpush\n\t"					\
1847 		".set\tnoat\n\t"					\
1848 		"move\t$1, %z0\n\t"					\
1849 		"# dmtgc0\t$1, $%1, %2\n\t"				\
1850 		_ASM_INSN_IF_MIPS(0x40610300 | %1 << 11 | %2)		\
1851 		_ASM_INSN32_IF_MM(0x582006fc | %1 << 16 | %2 << 11)	\
1852 		".set\tpop"						\
1853 		: : "Jr" (value),					\
1854 		    "i" (register), "i" (sel));				\
1855 } while (0)
1856 
1857 #endif	/* !TOOLCHAIN_SUPPORTS_VIRT */
1858 
1859 #define __read_ulong_gc0_register(reg, sel)				\
1860 	((sizeof(unsigned long) == 4) ?					\
1861 	(unsigned long) __read_32bit_gc0_register(reg, sel) :		\
1862 	(unsigned long) __read_64bit_gc0_register(reg, sel))
1863 
1864 #define __write_ulong_gc0_register(reg, sel, val)			\
1865 do {									\
1866 	if (sizeof(unsigned long) == 4)					\
1867 		__write_32bit_gc0_register(reg, sel, val);		\
1868 	else								\
1869 		__write_64bit_gc0_register(reg, sel, val);		\
1870 } while (0)
1871 
1872 #define read_gc0_index()		__read_32bit_gc0_register(0, 0)
1873 #define write_gc0_index(val)		__write_32bit_gc0_register(0, 0, val)
1874 
1875 #define read_gc0_entrylo0()		__read_ulong_gc0_register(2, 0)
1876 #define write_gc0_entrylo0(val)		__write_ulong_gc0_register(2, 0, val)
1877 
1878 #define read_gc0_entrylo1()		__read_ulong_gc0_register(3, 0)
1879 #define write_gc0_entrylo1(val)		__write_ulong_gc0_register(3, 0, val)
1880 
1881 #define read_gc0_context()		__read_ulong_gc0_register(4, 0)
1882 #define write_gc0_context(val)		__write_ulong_gc0_register(4, 0, val)
1883 
1884 #define read_gc0_contextconfig()	__read_32bit_gc0_register(4, 1)
1885 #define write_gc0_contextconfig(val)	__write_32bit_gc0_register(4, 1, val)
1886 
1887 #define read_gc0_userlocal()		__read_ulong_gc0_register(4, 2)
1888 #define write_gc0_userlocal(val)	__write_ulong_gc0_register(4, 2, val)
1889 
1890 #define read_gc0_xcontextconfig()	__read_ulong_gc0_register(4, 3)
1891 #define write_gc0_xcontextconfig(val)	__write_ulong_gc0_register(4, 3, val)
1892 
1893 #define read_gc0_pagemask()		__read_32bit_gc0_register(5, 0)
1894 #define write_gc0_pagemask(val)		__write_32bit_gc0_register(5, 0, val)
1895 
1896 #define read_gc0_pagegrain()		__read_32bit_gc0_register(5, 1)
1897 #define write_gc0_pagegrain(val)	__write_32bit_gc0_register(5, 1, val)
1898 
1899 #define read_gc0_segctl0()		__read_ulong_gc0_register(5, 2)
1900 #define write_gc0_segctl0(val)		__write_ulong_gc0_register(5, 2, val)
1901 
1902 #define read_gc0_segctl1()		__read_ulong_gc0_register(5, 3)
1903 #define write_gc0_segctl1(val)		__write_ulong_gc0_register(5, 3, val)
1904 
1905 #define read_gc0_segctl2()		__read_ulong_gc0_register(5, 4)
1906 #define write_gc0_segctl2(val)		__write_ulong_gc0_register(5, 4, val)
1907 
1908 #define read_gc0_pwbase()		__read_ulong_gc0_register(5, 5)
1909 #define write_gc0_pwbase(val)		__write_ulong_gc0_register(5, 5, val)
1910 
1911 #define read_gc0_pwfield()		__read_ulong_gc0_register(5, 6)
1912 #define write_gc0_pwfield(val)		__write_ulong_gc0_register(5, 6, val)
1913 
1914 #define read_gc0_pwsize()		__read_ulong_gc0_register(5, 7)
1915 #define write_gc0_pwsize(val)		__write_ulong_gc0_register(5, 7, val)
1916 
1917 #define read_gc0_wired()		__read_32bit_gc0_register(6, 0)
1918 #define write_gc0_wired(val)		__write_32bit_gc0_register(6, 0, val)
1919 
1920 #define read_gc0_pwctl()		__read_32bit_gc0_register(6, 6)
1921 #define write_gc0_pwctl(val)		__write_32bit_gc0_register(6, 6, val)
1922 
1923 #define read_gc0_hwrena()		__read_32bit_gc0_register(7, 0)
1924 #define write_gc0_hwrena(val)		__write_32bit_gc0_register(7, 0, val)
1925 
1926 #define read_gc0_badvaddr()		__read_ulong_gc0_register(8, 0)
1927 #define write_gc0_badvaddr(val)		__write_ulong_gc0_register(8, 0, val)
1928 
1929 #define read_gc0_badinstr()		__read_32bit_gc0_register(8, 1)
1930 #define write_gc0_badinstr(val)		__write_32bit_gc0_register(8, 1, val)
1931 
1932 #define read_gc0_badinstrp()		__read_32bit_gc0_register(8, 2)
1933 #define write_gc0_badinstrp(val)	__write_32bit_gc0_register(8, 2, val)
1934 
1935 #define read_gc0_count()		__read_32bit_gc0_register(9, 0)
1936 
1937 #define read_gc0_entryhi()		__read_ulong_gc0_register(10, 0)
1938 #define write_gc0_entryhi(val)		__write_ulong_gc0_register(10, 0, val)
1939 
1940 #define read_gc0_compare()		__read_32bit_gc0_register(11, 0)
1941 #define write_gc0_compare(val)		__write_32bit_gc0_register(11, 0, val)
1942 
1943 #define read_gc0_status()		__read_32bit_gc0_register(12, 0)
1944 #define write_gc0_status(val)		__write_32bit_gc0_register(12, 0, val)
1945 
1946 #define read_gc0_intctl()		__read_32bit_gc0_register(12, 1)
1947 #define write_gc0_intctl(val)		__write_32bit_gc0_register(12, 1, val)
1948 
1949 #define read_gc0_cause()		__read_32bit_gc0_register(13, 0)
1950 #define write_gc0_cause(val)		__write_32bit_gc0_register(13, 0, val)
1951 
1952 #define read_gc0_epc()			__read_ulong_gc0_register(14, 0)
1953 #define write_gc0_epc(val)		__write_ulong_gc0_register(14, 0, val)
1954 
1955 #define read_gc0_ebase()		__read_32bit_gc0_register(15, 1)
1956 #define write_gc0_ebase(val)		__write_32bit_gc0_register(15, 1, val)
1957 
1958 #define read_gc0_ebase_64()		__read_64bit_gc0_register(15, 1)
1959 #define write_gc0_ebase_64(val)		__write_64bit_gc0_register(15, 1, val)
1960 
1961 #define read_gc0_config()		__read_32bit_gc0_register(16, 0)
1962 #define read_gc0_config1()		__read_32bit_gc0_register(16, 1)
1963 #define read_gc0_config2()		__read_32bit_gc0_register(16, 2)
1964 #define read_gc0_config3()		__read_32bit_gc0_register(16, 3)
1965 #define read_gc0_config4()		__read_32bit_gc0_register(16, 4)
1966 #define read_gc0_config5()		__read_32bit_gc0_register(16, 5)
1967 #define read_gc0_config6()		__read_32bit_gc0_register(16, 6)
1968 #define read_gc0_config7()		__read_32bit_gc0_register(16, 7)
1969 #define write_gc0_config(val)		__write_32bit_gc0_register(16, 0, val)
1970 #define write_gc0_config1(val)		__write_32bit_gc0_register(16, 1, val)
1971 #define write_gc0_config2(val)		__write_32bit_gc0_register(16, 2, val)
1972 #define write_gc0_config3(val)		__write_32bit_gc0_register(16, 3, val)
1973 #define write_gc0_config4(val)		__write_32bit_gc0_register(16, 4, val)
1974 #define write_gc0_config5(val)		__write_32bit_gc0_register(16, 5, val)
1975 #define write_gc0_config6(val)		__write_32bit_gc0_register(16, 6, val)
1976 #define write_gc0_config7(val)		__write_32bit_gc0_register(16, 7, val)
1977 
1978 #define read_gc0_watchlo0()		__read_ulong_gc0_register(18, 0)
1979 #define read_gc0_watchlo1()		__read_ulong_gc0_register(18, 1)
1980 #define read_gc0_watchlo2()		__read_ulong_gc0_register(18, 2)
1981 #define read_gc0_watchlo3()		__read_ulong_gc0_register(18, 3)
1982 #define read_gc0_watchlo4()		__read_ulong_gc0_register(18, 4)
1983 #define read_gc0_watchlo5()		__read_ulong_gc0_register(18, 5)
1984 #define read_gc0_watchlo6()		__read_ulong_gc0_register(18, 6)
1985 #define read_gc0_watchlo7()		__read_ulong_gc0_register(18, 7)
1986 #define write_gc0_watchlo0(val)		__write_ulong_gc0_register(18, 0, val)
1987 #define write_gc0_watchlo1(val)		__write_ulong_gc0_register(18, 1, val)
1988 #define write_gc0_watchlo2(val)		__write_ulong_gc0_register(18, 2, val)
1989 #define write_gc0_watchlo3(val)		__write_ulong_gc0_register(18, 3, val)
1990 #define write_gc0_watchlo4(val)		__write_ulong_gc0_register(18, 4, val)
1991 #define write_gc0_watchlo5(val)		__write_ulong_gc0_register(18, 5, val)
1992 #define write_gc0_watchlo6(val)		__write_ulong_gc0_register(18, 6, val)
1993 #define write_gc0_watchlo7(val)		__write_ulong_gc0_register(18, 7, val)
1994 
1995 #define read_gc0_watchhi0()		__read_32bit_gc0_register(19, 0)
1996 #define read_gc0_watchhi1()		__read_32bit_gc0_register(19, 1)
1997 #define read_gc0_watchhi2()		__read_32bit_gc0_register(19, 2)
1998 #define read_gc0_watchhi3()		__read_32bit_gc0_register(19, 3)
1999 #define read_gc0_watchhi4()		__read_32bit_gc0_register(19, 4)
2000 #define read_gc0_watchhi5()		__read_32bit_gc0_register(19, 5)
2001 #define read_gc0_watchhi6()		__read_32bit_gc0_register(19, 6)
2002 #define read_gc0_watchhi7()		__read_32bit_gc0_register(19, 7)
2003 #define write_gc0_watchhi0(val)		__write_32bit_gc0_register(19, 0, val)
2004 #define write_gc0_watchhi1(val)		__write_32bit_gc0_register(19, 1, val)
2005 #define write_gc0_watchhi2(val)		__write_32bit_gc0_register(19, 2, val)
2006 #define write_gc0_watchhi3(val)		__write_32bit_gc0_register(19, 3, val)
2007 #define write_gc0_watchhi4(val)		__write_32bit_gc0_register(19, 4, val)
2008 #define write_gc0_watchhi5(val)		__write_32bit_gc0_register(19, 5, val)
2009 #define write_gc0_watchhi6(val)		__write_32bit_gc0_register(19, 6, val)
2010 #define write_gc0_watchhi7(val)		__write_32bit_gc0_register(19, 7, val)
2011 
2012 #define read_gc0_xcontext()		__read_ulong_gc0_register(20, 0)
2013 #define write_gc0_xcontext(val)		__write_ulong_gc0_register(20, 0, val)
2014 
2015 #define read_gc0_perfctrl0()		__read_32bit_gc0_register(25, 0)
2016 #define write_gc0_perfctrl0(val)	__write_32bit_gc0_register(25, 0, val)
2017 #define read_gc0_perfcntr0()		__read_32bit_gc0_register(25, 1)
2018 #define write_gc0_perfcntr0(val)	__write_32bit_gc0_register(25, 1, val)
2019 #define read_gc0_perfcntr0_64()		__read_64bit_gc0_register(25, 1)
2020 #define write_gc0_perfcntr0_64(val)	__write_64bit_gc0_register(25, 1, val)
2021 #define read_gc0_perfctrl1()		__read_32bit_gc0_register(25, 2)
2022 #define write_gc0_perfctrl1(val)	__write_32bit_gc0_register(25, 2, val)
2023 #define read_gc0_perfcntr1()		__read_32bit_gc0_register(25, 3)
2024 #define write_gc0_perfcntr1(val)	__write_32bit_gc0_register(25, 3, val)
2025 #define read_gc0_perfcntr1_64()		__read_64bit_gc0_register(25, 3)
2026 #define write_gc0_perfcntr1_64(val)	__write_64bit_gc0_register(25, 3, val)
2027 #define read_gc0_perfctrl2()		__read_32bit_gc0_register(25, 4)
2028 #define write_gc0_perfctrl2(val)	__write_32bit_gc0_register(25, 4, val)
2029 #define read_gc0_perfcntr2()		__read_32bit_gc0_register(25, 5)
2030 #define write_gc0_perfcntr2(val)	__write_32bit_gc0_register(25, 5, val)
2031 #define read_gc0_perfcntr2_64()		__read_64bit_gc0_register(25, 5)
2032 #define write_gc0_perfcntr2_64(val)	__write_64bit_gc0_register(25, 5, val)
2033 #define read_gc0_perfctrl3()		__read_32bit_gc0_register(25, 6)
2034 #define write_gc0_perfctrl3(val)	__write_32bit_gc0_register(25, 6, val)
2035 #define read_gc0_perfcntr3()		__read_32bit_gc0_register(25, 7)
2036 #define write_gc0_perfcntr3(val)	__write_32bit_gc0_register(25, 7, val)
2037 #define read_gc0_perfcntr3_64()		__read_64bit_gc0_register(25, 7)
2038 #define write_gc0_perfcntr3_64(val)	__write_64bit_gc0_register(25, 7, val)
2039 
2040 #define read_gc0_errorepc()		__read_ulong_gc0_register(30, 0)
2041 #define write_gc0_errorepc(val)		__write_ulong_gc0_register(30, 0, val)
2042 
2043 #define read_gc0_kscratch1()		__read_ulong_gc0_register(31, 2)
2044 #define read_gc0_kscratch2()		__read_ulong_gc0_register(31, 3)
2045 #define read_gc0_kscratch3()		__read_ulong_gc0_register(31, 4)
2046 #define read_gc0_kscratch4()		__read_ulong_gc0_register(31, 5)
2047 #define read_gc0_kscratch5()		__read_ulong_gc0_register(31, 6)
2048 #define read_gc0_kscratch6()		__read_ulong_gc0_register(31, 7)
2049 #define write_gc0_kscratch1(val)	__write_ulong_gc0_register(31, 2, val)
2050 #define write_gc0_kscratch2(val)	__write_ulong_gc0_register(31, 3, val)
2051 #define write_gc0_kscratch3(val)	__write_ulong_gc0_register(31, 4, val)
2052 #define write_gc0_kscratch4(val)	__write_ulong_gc0_register(31, 5, val)
2053 #define write_gc0_kscratch5(val)	__write_ulong_gc0_register(31, 6, val)
2054 #define write_gc0_kscratch6(val)	__write_ulong_gc0_register(31, 7, val)
2055 
2056 /*
2057  * Macros to access the floating point coprocessor control registers
2058  */
2059 #define _read_32bit_cp1_register(source, gas_hardfloat)			\
2060 ({									\
2061 	unsigned int __res;						\
2062 									\
2063 	__asm__ __volatile__(						\
2064 	"	.set	push					\n"	\
2065 	"	.set	reorder					\n"	\
2066 	"	# gas fails to assemble cfc1 for some archs,	\n"	\
2067 	"	# like Octeon.					\n"	\
2068 	"	.set	mips1					\n"	\
2069 	"	"STR(gas_hardfloat)"				\n"	\
2070 	"	cfc1	%0,"STR(source)"			\n"	\
2071 	"	.set	pop					\n"	\
2072 	: "=r" (__res));						\
2073 	__res;								\
2074 })
2075 
2076 #define _write_32bit_cp1_register(dest, val, gas_hardfloat)		\
2077 do {									\
2078 	__asm__ __volatile__(						\
2079 	"	.set	push					\n"	\
2080 	"	.set	reorder					\n"	\
2081 	"	"STR(gas_hardfloat)"				\n"	\
2082 	"	ctc1	%0,"STR(dest)"				\n"	\
2083 	"	.set	pop					\n"	\
2084 	: : "r" (val));							\
2085 } while (0)
2086 
2087 #ifdef GAS_HAS_SET_HARDFLOAT
2088 #define read_32bit_cp1_register(source)					\
2089 	_read_32bit_cp1_register(source, .set hardfloat)
2090 #define write_32bit_cp1_register(dest, val)				\
2091 	_write_32bit_cp1_register(dest, val, .set hardfloat)
2092 #else
2093 #define read_32bit_cp1_register(source)					\
2094 	_read_32bit_cp1_register(source, )
2095 #define write_32bit_cp1_register(dest, val)				\
2096 	_write_32bit_cp1_register(dest, val, )
2097 #endif
2098 
2099 #ifdef HAVE_AS_DSP
2100 #define rddsp(mask)							\
2101 ({									\
2102 	unsigned int __dspctl;						\
2103 									\
2104 	__asm__ __volatile__(						\
2105 	"	.set push					\n"	\
2106 	"	.set dsp					\n"	\
2107 	"	rddsp	%0, %x1					\n"	\
2108 	"	.set pop					\n"	\
2109 	: "=r" (__dspctl)						\
2110 	: "i" (mask));							\
2111 	__dspctl;							\
2112 })
2113 
2114 #define wrdsp(val, mask)						\
2115 do {									\
2116 	__asm__ __volatile__(						\
2117 	"	.set push					\n"	\
2118 	"	.set dsp					\n"	\
2119 	"	wrdsp	%0, %x1					\n"	\
2120 	"	.set pop					\n"	\
2121 	:								\
2122 	: "r" (val), "i" (mask));					\
2123 } while (0)
2124 
2125 #define mflo0()								\
2126 ({									\
2127 	long mflo0;							\
2128 	__asm__(							\
2129 	"	.set push					\n"	\
2130 	"	.set dsp					\n"	\
2131 	"	mflo %0, $ac0					\n"	\
2132 	"	.set pop					\n" 	\
2133 	: "=r" (mflo0)); 						\
2134 	mflo0;								\
2135 })
2136 
2137 #define mflo1()								\
2138 ({									\
2139 	long mflo1;							\
2140 	__asm__(							\
2141 	"	.set push					\n"	\
2142 	"	.set dsp					\n"	\
2143 	"	mflo %0, $ac1					\n"	\
2144 	"	.set pop					\n" 	\
2145 	: "=r" (mflo1)); 						\
2146 	mflo1;								\
2147 })
2148 
2149 #define mflo2()								\
2150 ({									\
2151 	long mflo2;							\
2152 	__asm__(							\
2153 	"	.set push					\n"	\
2154 	"	.set dsp					\n"	\
2155 	"	mflo %0, $ac2					\n"	\
2156 	"	.set pop					\n" 	\
2157 	: "=r" (mflo2)); 						\
2158 	mflo2;								\
2159 })
2160 
2161 #define mflo3()								\
2162 ({									\
2163 	long mflo3;							\
2164 	__asm__(							\
2165 	"	.set push					\n"	\
2166 	"	.set dsp					\n"	\
2167 	"	mflo %0, $ac3					\n"	\
2168 	"	.set pop					\n" 	\
2169 	: "=r" (mflo3)); 						\
2170 	mflo3;								\
2171 })
2172 
2173 #define mfhi0()								\
2174 ({									\
2175 	long mfhi0;							\
2176 	__asm__(							\
2177 	"	.set push					\n"	\
2178 	"	.set dsp					\n"	\
2179 	"	mfhi %0, $ac0					\n"	\
2180 	"	.set pop					\n" 	\
2181 	: "=r" (mfhi0)); 						\
2182 	mfhi0;								\
2183 })
2184 
2185 #define mfhi1()								\
2186 ({									\
2187 	long mfhi1;							\
2188 	__asm__(							\
2189 	"	.set push					\n"	\
2190 	"	.set dsp					\n"	\
2191 	"	mfhi %0, $ac1					\n"	\
2192 	"	.set pop					\n" 	\
2193 	: "=r" (mfhi1)); 						\
2194 	mfhi1;								\
2195 })
2196 
2197 #define mfhi2()								\
2198 ({									\
2199 	long mfhi2;							\
2200 	__asm__(							\
2201 	"	.set push					\n"	\
2202 	"	.set dsp					\n"	\
2203 	"	mfhi %0, $ac2					\n"	\
2204 	"	.set pop					\n" 	\
2205 	: "=r" (mfhi2)); 						\
2206 	mfhi2;								\
2207 })
2208 
2209 #define mfhi3()								\
2210 ({									\
2211 	long mfhi3;							\
2212 	__asm__(							\
2213 	"	.set push					\n"	\
2214 	"	.set dsp					\n"	\
2215 	"	mfhi %0, $ac3					\n"	\
2216 	"	.set pop					\n" 	\
2217 	: "=r" (mfhi3)); 						\
2218 	mfhi3;								\
2219 })
2220 
2221 
2222 #define mtlo0(x)							\
2223 ({									\
2224 	__asm__(							\
2225 	"	.set push					\n"	\
2226 	"	.set dsp					\n"	\
2227 	"	mtlo %0, $ac0					\n"	\
2228 	"	.set pop					\n"	\
2229 	:								\
2230 	: "r" (x));							\
2231 })
2232 
2233 #define mtlo1(x)							\
2234 ({									\
2235 	__asm__(							\
2236 	"	.set push					\n"	\
2237 	"	.set dsp					\n"	\
2238 	"	mtlo %0, $ac1					\n"	\
2239 	"	.set pop					\n"	\
2240 	:								\
2241 	: "r" (x));							\
2242 })
2243 
2244 #define mtlo2(x)							\
2245 ({									\
2246 	__asm__(							\
2247 	"	.set push					\n"	\
2248 	"	.set dsp					\n"	\
2249 	"	mtlo %0, $ac2					\n"	\
2250 	"	.set pop					\n"	\
2251 	:								\
2252 	: "r" (x));							\
2253 })
2254 
2255 #define mtlo3(x)							\
2256 ({									\
2257 	__asm__(							\
2258 	"	.set push					\n"	\
2259 	"	.set dsp					\n"	\
2260 	"	mtlo %0, $ac3					\n"	\
2261 	"	.set pop					\n"	\
2262 	:								\
2263 	: "r" (x));							\
2264 })
2265 
2266 #define mthi0(x)							\
2267 ({									\
2268 	__asm__(							\
2269 	"	.set push					\n"	\
2270 	"	.set dsp					\n"	\
2271 	"	mthi %0, $ac0					\n"	\
2272 	"	.set pop					\n"	\
2273 	:								\
2274 	: "r" (x));							\
2275 })
2276 
2277 #define mthi1(x)							\
2278 ({									\
2279 	__asm__(							\
2280 	"	.set push					\n"	\
2281 	"	.set dsp					\n"	\
2282 	"	mthi %0, $ac1					\n"	\
2283 	"	.set pop					\n"	\
2284 	:								\
2285 	: "r" (x));							\
2286 })
2287 
2288 #define mthi2(x)							\
2289 ({									\
2290 	__asm__(							\
2291 	"	.set push					\n"	\
2292 	"	.set dsp					\n"	\
2293 	"	mthi %0, $ac2					\n"	\
2294 	"	.set pop					\n"	\
2295 	:								\
2296 	: "r" (x));							\
2297 })
2298 
2299 #define mthi3(x)							\
2300 ({									\
2301 	__asm__(							\
2302 	"	.set push					\n"	\
2303 	"	.set dsp					\n"	\
2304 	"	mthi %0, $ac3					\n"	\
2305 	"	.set pop					\n"	\
2306 	:								\
2307 	: "r" (x));							\
2308 })
2309 
2310 #else
2311 
2312 #define rddsp(mask)							\
2313 ({									\
2314 	unsigned int __res;						\
2315 									\
2316 	__asm__ __volatile__(						\
2317 	"	.set	push					\n"	\
2318 	"	.set	noat					\n"	\
2319 	"	# rddsp $1, %x1					\n"	\
2320 	_ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16))			\
2321 	_ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14))			\
2322 	"	move	%0, $1					\n"	\
2323 	"	.set	pop					\n"	\
2324 	: "=r" (__res)							\
2325 	: "i" (mask));							\
2326 	__res;								\
2327 })
2328 
2329 #define wrdsp(val, mask)						\
2330 do {									\
2331 	__asm__ __volatile__(						\
2332 	"	.set	push					\n"	\
2333 	"	.set	noat					\n"	\
2334 	"	move	$1, %0					\n"	\
2335 	"	# wrdsp $1, %x1					\n"	\
2336 	_ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11))			\
2337 	_ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14))			\
2338 	"	.set	pop					\n"	\
2339 	:								\
2340 	: "r" (val), "i" (mask));					\
2341 } while (0)
2342 
2343 #define _dsp_mfxxx(ins)							\
2344 ({									\
2345 	unsigned long __treg;						\
2346 									\
2347 	__asm__ __volatile__(						\
2348 	"	.set	push					\n"	\
2349 	"	.set	noat					\n"	\
2350 	_ASM_INSN_IF_MIPS(0x00000810 | %X1)				\
2351 	_ASM_INSN32_IF_MM(0x0001007c | %x1)				\
2352 	"	move	%0, $1					\n"	\
2353 	"	.set	pop					\n"	\
2354 	: "=r" (__treg)							\
2355 	: "i" (ins));							\
2356 	__treg;								\
2357 })
2358 
2359 #define _dsp_mtxxx(val, ins)						\
2360 do {									\
2361 	__asm__ __volatile__(						\
2362 	"	.set	push					\n"	\
2363 	"	.set	noat					\n"	\
2364 	"	move	$1, %0					\n"	\
2365 	_ASM_INSN_IF_MIPS(0x00200011 | %X1)				\
2366 	_ASM_INSN32_IF_MM(0x0001207c | %x1)				\
2367 	"	.set	pop					\n"	\
2368 	:								\
2369 	: "r" (val), "i" (ins));					\
2370 } while (0)
2371 
2372 #ifdef CONFIG_CPU_MICROMIPS
2373 
2374 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000)
2375 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000)
2376 
2377 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000))
2378 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000))
2379 
2380 #else  /* !CONFIG_CPU_MICROMIPS */
2381 
2382 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
2383 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
2384 
2385 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
2386 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
2387 
2388 #endif /* CONFIG_CPU_MICROMIPS */
2389 
2390 #define mflo0() _dsp_mflo(0)
2391 #define mflo1() _dsp_mflo(1)
2392 #define mflo2() _dsp_mflo(2)
2393 #define mflo3() _dsp_mflo(3)
2394 
2395 #define mfhi0() _dsp_mfhi(0)
2396 #define mfhi1() _dsp_mfhi(1)
2397 #define mfhi2() _dsp_mfhi(2)
2398 #define mfhi3() _dsp_mfhi(3)
2399 
2400 #define mtlo0(x) _dsp_mtlo(x, 0)
2401 #define mtlo1(x) _dsp_mtlo(x, 1)
2402 #define mtlo2(x) _dsp_mtlo(x, 2)
2403 #define mtlo3(x) _dsp_mtlo(x, 3)
2404 
2405 #define mthi0(x) _dsp_mthi(x, 0)
2406 #define mthi1(x) _dsp_mthi(x, 1)
2407 #define mthi2(x) _dsp_mthi(x, 2)
2408 #define mthi3(x) _dsp_mthi(x, 3)
2409 
2410 #endif
2411 
2412 /*
2413  * TLB operations.
2414  *
2415  * It is responsibility of the caller to take care of any TLB hazards.
2416  */
2417 static inline void tlb_probe(void)
2418 {
2419 	__asm__ __volatile__(
2420 		".set noreorder\n\t"
2421 		"tlbp\n\t"
2422 		".set reorder");
2423 }
2424 
2425 static inline void tlb_read(void)
2426 {
2427 #if MIPS34K_MISSED_ITLB_WAR
2428 	int res = 0;
2429 
2430 	__asm__ __volatile__(
2431 	"	.set	push					\n"
2432 	"	.set	noreorder				\n"
2433 	"	.set	noat					\n"
2434 	"	.set	mips32r2				\n"
2435 	"	.word	0x41610001		# dvpe $1	\n"
2436 	"	move	%0, $1					\n"
2437 	"	ehb						\n"
2438 	"	.set	pop					\n"
2439 	: "=r" (res));
2440 
2441 	instruction_hazard();
2442 #endif
2443 
2444 	__asm__ __volatile__(
2445 		".set noreorder\n\t"
2446 		"tlbr\n\t"
2447 		".set reorder");
2448 
2449 #if MIPS34K_MISSED_ITLB_WAR
2450 	if ((res & _ULCAST_(1)))
2451 		__asm__ __volatile__(
2452 		"	.set	push				\n"
2453 		"	.set	noreorder			\n"
2454 		"	.set	noat				\n"
2455 		"	.set	mips32r2			\n"
2456 		"	.word	0x41600021	# evpe		\n"
2457 		"	ehb					\n"
2458 		"	.set	pop				\n");
2459 #endif
2460 }
2461 
2462 static inline void tlb_write_indexed(void)
2463 {
2464 	__asm__ __volatile__(
2465 		".set noreorder\n\t"
2466 		"tlbwi\n\t"
2467 		".set reorder");
2468 }
2469 
2470 static inline void tlb_write_random(void)
2471 {
2472 	__asm__ __volatile__(
2473 		".set noreorder\n\t"
2474 		"tlbwr\n\t"
2475 		".set reorder");
2476 }
2477 
2478 #ifdef TOOLCHAIN_SUPPORTS_VIRT
2479 
2480 /*
2481  * Guest TLB operations.
2482  *
2483  * It is responsibility of the caller to take care of any TLB hazards.
2484  */
2485 static inline void guest_tlb_probe(void)
2486 {
2487 	__asm__ __volatile__(
2488 		".set push\n\t"
2489 		".set noreorder\n\t"
2490 		".set virt\n\t"
2491 		"tlbgp\n\t"
2492 		".set pop");
2493 }
2494 
2495 static inline void guest_tlb_read(void)
2496 {
2497 	__asm__ __volatile__(
2498 		".set push\n\t"
2499 		".set noreorder\n\t"
2500 		".set virt\n\t"
2501 		"tlbgr\n\t"
2502 		".set pop");
2503 }
2504 
2505 static inline void guest_tlb_write_indexed(void)
2506 {
2507 	__asm__ __volatile__(
2508 		".set push\n\t"
2509 		".set noreorder\n\t"
2510 		".set virt\n\t"
2511 		"tlbgwi\n\t"
2512 		".set pop");
2513 }
2514 
2515 static inline void guest_tlb_write_random(void)
2516 {
2517 	__asm__ __volatile__(
2518 		".set push\n\t"
2519 		".set noreorder\n\t"
2520 		".set virt\n\t"
2521 		"tlbgwr\n\t"
2522 		".set pop");
2523 }
2524 
2525 /*
2526  * Guest TLB Invalidate Flush
2527  */
2528 static inline void guest_tlbinvf(void)
2529 {
2530 	__asm__ __volatile__(
2531 		".set push\n\t"
2532 		".set noreorder\n\t"
2533 		".set virt\n\t"
2534 		"tlbginvf\n\t"
2535 		".set pop");
2536 }
2537 
2538 #else	/* TOOLCHAIN_SUPPORTS_VIRT */
2539 
2540 /*
2541  * Guest TLB operations.
2542  *
2543  * It is responsibility of the caller to take care of any TLB hazards.
2544  */
2545 static inline void guest_tlb_probe(void)
2546 {
2547 	__asm__ __volatile__(
2548 		"# tlbgp\n\t"
2549 		_ASM_INSN_IF_MIPS(0x42000010)
2550 		_ASM_INSN32_IF_MM(0x0000017c));
2551 }
2552 
2553 static inline void guest_tlb_read(void)
2554 {
2555 	__asm__ __volatile__(
2556 		"# tlbgr\n\t"
2557 		_ASM_INSN_IF_MIPS(0x42000009)
2558 		_ASM_INSN32_IF_MM(0x0000117c));
2559 }
2560 
2561 static inline void guest_tlb_write_indexed(void)
2562 {
2563 	__asm__ __volatile__(
2564 		"# tlbgwi\n\t"
2565 		_ASM_INSN_IF_MIPS(0x4200000a)
2566 		_ASM_INSN32_IF_MM(0x0000217c));
2567 }
2568 
2569 static inline void guest_tlb_write_random(void)
2570 {
2571 	__asm__ __volatile__(
2572 		"# tlbgwr\n\t"
2573 		_ASM_INSN_IF_MIPS(0x4200000e)
2574 		_ASM_INSN32_IF_MM(0x0000317c));
2575 }
2576 
2577 /*
2578  * Guest TLB Invalidate Flush
2579  */
2580 static inline void guest_tlbinvf(void)
2581 {
2582 	__asm__ __volatile__(
2583 		"# tlbginvf\n\t"
2584 		_ASM_INSN_IF_MIPS(0x4200000c)
2585 		_ASM_INSN32_IF_MM(0x0000517c));
2586 }
2587 
2588 #endif	/* !TOOLCHAIN_SUPPORTS_VIRT */
2589 
2590 /*
2591  * Manipulate bits in a register.
2592  */
2593 #define __BUILD_SET_COMMON(name)				\
2594 static inline unsigned int					\
2595 set_##name(unsigned int set)					\
2596 {								\
2597 	unsigned int res, new;					\
2598 								\
2599 	res = read_##name();					\
2600 	new = res | set;					\
2601 	write_##name(new);					\
2602 								\
2603 	return res;						\
2604 }								\
2605 								\
2606 static inline unsigned int					\
2607 clear_##name(unsigned int clear)				\
2608 {								\
2609 	unsigned int res, new;					\
2610 								\
2611 	res = read_##name();					\
2612 	new = res & ~clear;					\
2613 	write_##name(new);					\
2614 								\
2615 	return res;						\
2616 }								\
2617 								\
2618 static inline unsigned int					\
2619 change_##name(unsigned int change, unsigned int val)		\
2620 {								\
2621 	unsigned int res, new;					\
2622 								\
2623 	res = read_##name();					\
2624 	new = res & ~change;					\
2625 	new |= (val & change);					\
2626 	write_##name(new);					\
2627 								\
2628 	return res;						\
2629 }
2630 
2631 /*
2632  * Manipulate bits in a c0 register.
2633  */
2634 #define __BUILD_SET_C0(name)	__BUILD_SET_COMMON(c0_##name)
2635 
2636 __BUILD_SET_C0(status)
2637 __BUILD_SET_C0(cause)
2638 __BUILD_SET_C0(config)
2639 __BUILD_SET_C0(config5)
2640 __BUILD_SET_C0(intcontrol)
2641 __BUILD_SET_C0(intctl)
2642 __BUILD_SET_C0(srsmap)
2643 __BUILD_SET_C0(pagegrain)
2644 __BUILD_SET_C0(guestctl0)
2645 __BUILD_SET_C0(guestctl0ext)
2646 __BUILD_SET_C0(guestctl1)
2647 __BUILD_SET_C0(guestctl2)
2648 __BUILD_SET_C0(guestctl3)
2649 __BUILD_SET_C0(brcm_config_0)
2650 __BUILD_SET_C0(brcm_bus_pll)
2651 __BUILD_SET_C0(brcm_reset)
2652 __BUILD_SET_C0(brcm_cmt_intr)
2653 __BUILD_SET_C0(brcm_cmt_ctrl)
2654 __BUILD_SET_C0(brcm_config)
2655 __BUILD_SET_C0(brcm_mode)
2656 
2657 /*
2658  * Manipulate bits in a guest c0 register.
2659  */
2660 #define __BUILD_SET_GC0(name)	__BUILD_SET_COMMON(gc0_##name)
2661 
2662 __BUILD_SET_GC0(status)
2663 __BUILD_SET_GC0(cause)
2664 __BUILD_SET_GC0(ebase)
2665 
2666 /*
2667  * Return low 10 bits of ebase.
2668  * Note that under KVM (MIPSVZ) this returns vcpu id.
2669  */
2670 static inline unsigned int get_ebase_cpunum(void)
2671 {
2672 	return read_c0_ebase() & MIPS_EBASE_CPUNUM;
2673 }
2674 
2675 #endif /* !__ASSEMBLY__ */
2676 
2677 #endif /* _ASM_MIPSREGS_H */
2678