MIPS: mipsregs.h: Remove broken comments
[linux-2.6-block.git] / arch / mips / include / asm / mipsregs.h
CommitLineData
1da177e4
LT
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
a3692020 10 * Copyright (C) 2000, 07 MIPS Technologies, Inc.
4194318c 11 * Copyright (C) 2003, 2004 Maciej W. Rozycki
1da177e4
LT
12 */
13#ifndef _ASM_MIPSREGS_H
14#define _ASM_MIPSREGS_H
15
1da177e4 16#include <linux/linkage.h>
87c99203 17#include <linux/types.h>
1da177e4 18#include <asm/hazards.h>
9267a30d 19#include <asm/war.h>
1da177e4
LT
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_WIRED $6
52#define CP0_INFO $7
53#define CP0_BADVADDR $8
54#define CP0_COUNT $9
55#define CP0_ENTRYHI $10
56#define CP0_COMPARE $11
57#define CP0_STATUS $12
58#define CP0_CAUSE $13
59#define CP0_EPC $14
60#define CP0_PRID $15
61#define CP0_CONFIG $16
62#define CP0_LLADDR $17
63#define CP0_WATCHLO $18
64#define CP0_WATCHHI $19
65#define CP0_XCONTEXT $20
66#define CP0_FRAMEMASK $21
67#define CP0_DIAGNOSTIC $22
68#define CP0_DEBUG $23
69#define CP0_DEPC $24
70#define CP0_PERFORMANCE $25
71#define CP0_ECC $26
72#define CP0_CACHEERR $27
73#define CP0_TAGLO $28
74#define CP0_TAGHI $29
75#define CP0_ERROREPC $30
76#define CP0_DESAVE $31
77
78/*
79 * R4640/R4650 cp0 register names. These registers are listed
80 * here only for completeness; without MMU these CPUs are not useable
81 * by Linux. A future ELKS port might take make Linux run on them
82 * though ...
83 */
84#define CP0_IBASE $0
85#define CP0_IBOUND $1
86#define CP0_DBASE $2
87#define CP0_DBOUND $3
88#define CP0_CALG $17
89#define CP0_IWATCH $18
90#define CP0_DWATCH $19
91
92/*
93 * Coprocessor 0 Set 1 register names
94 */
95#define CP0_S1_DERRADDR0 $26
96#define CP0_S1_DERRADDR1 $27
97#define CP0_S1_INTCONTROL $20
98
7a0fc58c
RB
99/*
100 * Coprocessor 0 Set 2 register names
101 */
102#define CP0_S2_SRSCTL $12 /* MIPSR2 */
103
104/*
105 * Coprocessor 0 Set 3 register names
106 */
107#define CP0_S3_SRSMAP $12 /* MIPSR2 */
108
1da177e4
LT
109/*
110 * TX39 Series
111 */
112#define CP0_TX39_CACHE $7
113
114/*
115 * Coprocessor 1 (FPU) register names
116 */
117#define CP1_REVISION $0
118#define CP1_STATUS $31
119
120/*
121 * FPU Status Register Values
122 */
70342287
RB
123#define FPU_CSR_FLUSH 0x01000000 /* flush denormalised results to 0 */
124#define FPU_CSR_COND 0x00800000 /* $fcc0 */
125#define FPU_CSR_COND0 0x00800000 /* $fcc0 */
126#define FPU_CSR_COND1 0x02000000 /* $fcc1 */
127#define FPU_CSR_COND2 0x04000000 /* $fcc2 */
128#define FPU_CSR_COND3 0x08000000 /* $fcc3 */
129#define FPU_CSR_COND4 0x10000000 /* $fcc4 */
130#define FPU_CSR_COND5 0x20000000 /* $fcc5 */
131#define FPU_CSR_COND6 0x40000000 /* $fcc6 */
132#define FPU_CSR_COND7 0x80000000 /* $fcc7 */
1da177e4 133
95e8f634
SM
134/*
135 * Bits 18 - 20 of the FPU Status Register will be read as 0,
136 * and should be written as zero.
137 */
138#define FPU_CSR_RSVD 0x001c0000
139
1da177e4
LT
140/*
141 * X the exception cause indicator
142 * E the exception enable
143 * S the sticky/flag bit
144*/
70342287
RB
145#define FPU_CSR_ALL_X 0x0003f000
146#define FPU_CSR_UNI_X 0x00020000
147#define FPU_CSR_INV_X 0x00010000
148#define FPU_CSR_DIV_X 0x00008000
149#define FPU_CSR_OVF_X 0x00004000
150#define FPU_CSR_UDF_X 0x00002000
151#define FPU_CSR_INE_X 0x00001000
152
153#define FPU_CSR_ALL_E 0x00000f80
154#define FPU_CSR_INV_E 0x00000800
155#define FPU_CSR_DIV_E 0x00000400
156#define FPU_CSR_OVF_E 0x00000200
157#define FPU_CSR_UDF_E 0x00000100
158#define FPU_CSR_INE_E 0x00000080
159
160#define FPU_CSR_ALL_S 0x0000007c
161#define FPU_CSR_INV_S 0x00000040
162#define FPU_CSR_DIV_S 0x00000020
163#define FPU_CSR_OVF_S 0x00000010
164#define FPU_CSR_UDF_S 0x00000008
165#define FPU_CSR_INE_S 0x00000004
1da177e4 166
95e8f634
SM
167/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
168#define FPU_CSR_RM 0x00000003
70342287
RB
169#define FPU_CSR_RN 0x0 /* nearest */
170#define FPU_CSR_RZ 0x1 /* towards zero */
171#define FPU_CSR_RU 0x2 /* towards +Infinity */
172#define FPU_CSR_RD 0x3 /* towards -Infinity */
1da177e4
LT
173
174
175/*
176 * Values for PageMask register
177 */
178#ifdef CONFIG_CPU_VR41XX
179
180/* Why doesn't stupidity hurt ... */
181
182#define PM_1K 0x00000000
183#define PM_4K 0x00001800
184#define PM_16K 0x00007800
185#define PM_64K 0x0001f800
186#define PM_256K 0x0007f800
187
188#else
189
190#define PM_4K 0x00000000
c52399be 191#define PM_8K 0x00002000
1da177e4 192#define PM_16K 0x00006000
c52399be 193#define PM_32K 0x0000e000
1da177e4 194#define PM_64K 0x0001e000
c52399be 195#define PM_128K 0x0003e000
1da177e4 196#define PM_256K 0x0007e000
c52399be 197#define PM_512K 0x000fe000
1da177e4 198#define PM_1M 0x001fe000
c52399be 199#define PM_2M 0x003fe000
1da177e4 200#define PM_4M 0x007fe000
c52399be 201#define PM_8M 0x00ffe000
1da177e4 202#define PM_16M 0x01ffe000
c52399be 203#define PM_32M 0x03ffe000
1da177e4
LT
204#define PM_64M 0x07ffe000
205#define PM_256M 0x1fffe000
542c1020 206#define PM_1G 0x7fffe000
1da177e4
LT
207
208#endif
209
210/*
211 * Default page size for a given kernel configuration
212 */
213#ifdef CONFIG_PAGE_SIZE_4KB
70342287 214#define PM_DEFAULT_MASK PM_4K
c52399be 215#elif defined(CONFIG_PAGE_SIZE_8KB)
70342287 216#define PM_DEFAULT_MASK PM_8K
1da177e4 217#elif defined(CONFIG_PAGE_SIZE_16KB)
70342287 218#define PM_DEFAULT_MASK PM_16K
c52399be 219#elif defined(CONFIG_PAGE_SIZE_32KB)
70342287 220#define PM_DEFAULT_MASK PM_32K
1da177e4 221#elif defined(CONFIG_PAGE_SIZE_64KB)
70342287 222#define PM_DEFAULT_MASK PM_64K
1da177e4
LT
223#else
224#error Bad page size configuration!
225#endif
226
dd794392
DD
227/*
228 * Default huge tlb size for a given kernel configuration
229 */
230#ifdef CONFIG_PAGE_SIZE_4KB
231#define PM_HUGE_MASK PM_1M
232#elif defined(CONFIG_PAGE_SIZE_8KB)
233#define PM_HUGE_MASK PM_4M
234#elif defined(CONFIG_PAGE_SIZE_16KB)
235#define PM_HUGE_MASK PM_16M
236#elif defined(CONFIG_PAGE_SIZE_32KB)
237#define PM_HUGE_MASK PM_64M
238#elif defined(CONFIG_PAGE_SIZE_64KB)
239#define PM_HUGE_MASK PM_256M
aa1762f4 240#elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
dd794392
DD
241#error Bad page size configuration for hugetlbfs!
242#endif
1da177e4
LT
243
244/*
245 * Values used for computation of new tlb entries
246 */
247#define PL_4K 12
248#define PL_16K 14
249#define PL_64K 16
250#define PL_256K 18
251#define PL_1M 20
252#define PL_4M 22
253#define PL_16M 24
254#define PL_64M 26
255#define PL_256M 28
256
9fe2e9d6
DD
257/*
258 * PageGrain bits
259 */
70342287
RB
260#define PG_RIE (_ULCAST_(1) << 31)
261#define PG_XIE (_ULCAST_(1) << 30)
262#define PG_ELPA (_ULCAST_(1) << 29)
263#define PG_ESP (_ULCAST_(1) << 28)
6575b1d4 264#define PG_IEC (_ULCAST_(1) << 27)
9fe2e9d6 265
1da177e4
LT
266/*
267 * R4x00 interrupt enable / cause bits
268 */
70342287
RB
269#define IE_SW0 (_ULCAST_(1) << 8)
270#define IE_SW1 (_ULCAST_(1) << 9)
271#define IE_IRQ0 (_ULCAST_(1) << 10)
272#define IE_IRQ1 (_ULCAST_(1) << 11)
273#define IE_IRQ2 (_ULCAST_(1) << 12)
274#define IE_IRQ3 (_ULCAST_(1) << 13)
275#define IE_IRQ4 (_ULCAST_(1) << 14)
276#define IE_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
277
278/*
279 * R4x00 interrupt cause bits
280 */
70342287
RB
281#define C_SW0 (_ULCAST_(1) << 8)
282#define C_SW1 (_ULCAST_(1) << 9)
283#define C_IRQ0 (_ULCAST_(1) << 10)
284#define C_IRQ1 (_ULCAST_(1) << 11)
285#define C_IRQ2 (_ULCAST_(1) << 12)
286#define C_IRQ3 (_ULCAST_(1) << 13)
287#define C_IRQ4 (_ULCAST_(1) << 14)
288#define C_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
289
290/*
291 * Bitfields in the R4xx0 cp0 status register
292 */
293#define ST0_IE 0x00000001
294#define ST0_EXL 0x00000002
295#define ST0_ERL 0x00000004
296#define ST0_KSU 0x00000018
297# define KSU_USER 0x00000010
298# define KSU_SUPERVISOR 0x00000008
299# define KSU_KERNEL 0x00000000
300#define ST0_UX 0x00000020
301#define ST0_SX 0x00000040
70342287 302#define ST0_KX 0x00000080
1da177e4
LT
303#define ST0_DE 0x00010000
304#define ST0_CE 0x00020000
305
306/*
307 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
308 * cacheops in userspace. This bit exists only on RM7000 and RM9000
309 * processors.
310 */
311#define ST0_CO 0x08000000
312
313/*
314 * Bitfields in the R[23]000 cp0 status register.
315 */
70342287 316#define ST0_IEC 0x00000001
1da177e4
LT
317#define ST0_KUC 0x00000002
318#define ST0_IEP 0x00000004
319#define ST0_KUP 0x00000008
320#define ST0_IEO 0x00000010
321#define ST0_KUO 0x00000020
322/* bits 6 & 7 are reserved on R[23]000 */
323#define ST0_ISC 0x00010000
324#define ST0_SWC 0x00020000
325#define ST0_CM 0x00080000
326
327/*
328 * Bits specific to the R4640/R4650
329 */
70342287 330#define ST0_UM (_ULCAST_(1) << 4)
1da177e4
LT
331#define ST0_IL (_ULCAST_(1) << 23)
332#define ST0_DL (_ULCAST_(1) << 24)
333
e50c0a8f 334/*
3301edcb 335 * Enable the MIPS MDMX and DSP ASEs
e50c0a8f
RB
336 */
337#define ST0_MX 0x01000000
338
1da177e4
LT
339/*
340 * Bitfields in the TX39 family CP0 Configuration Register 3
341 */
342#define TX39_CONF_ICS_SHIFT 19
343#define TX39_CONF_ICS_MASK 0x00380000
70342287
RB
344#define TX39_CONF_ICS_1KB 0x00000000
345#define TX39_CONF_ICS_2KB 0x00080000
346#define TX39_CONF_ICS_4KB 0x00100000
347#define TX39_CONF_ICS_8KB 0x00180000
348#define TX39_CONF_ICS_16KB 0x00200000
1da177e4
LT
349
350#define TX39_CONF_DCS_SHIFT 16
351#define TX39_CONF_DCS_MASK 0x00070000
70342287
RB
352#define TX39_CONF_DCS_1KB 0x00000000
353#define TX39_CONF_DCS_2KB 0x00010000
354#define TX39_CONF_DCS_4KB 0x00020000
355#define TX39_CONF_DCS_8KB 0x00030000
356#define TX39_CONF_DCS_16KB 0x00040000
357
358#define TX39_CONF_CWFON 0x00004000
359#define TX39_CONF_WBON 0x00002000
1da177e4
LT
360#define TX39_CONF_RF_SHIFT 10
361#define TX39_CONF_RF_MASK 0x00000c00
362#define TX39_CONF_DOZE 0x00000200
363#define TX39_CONF_HALT 0x00000100
364#define TX39_CONF_LOCK 0x00000080
365#define TX39_CONF_ICE 0x00000020
366#define TX39_CONF_DCE 0x00000010
367#define TX39_CONF_IRSIZE_SHIFT 2
368#define TX39_CONF_IRSIZE_MASK 0x0000000c
369#define TX39_CONF_DRSIZE_SHIFT 0
370#define TX39_CONF_DRSIZE_MASK 0x00000003
371
372/*
373 * Status register bits available in all MIPS CPUs.
374 */
375#define ST0_IM 0x0000ff00
70342287
RB
376#define STATUSB_IP0 8
377#define STATUSF_IP0 (_ULCAST_(1) << 8)
378#define STATUSB_IP1 9
379#define STATUSF_IP1 (_ULCAST_(1) << 9)
380#define STATUSB_IP2 10
381#define STATUSF_IP2 (_ULCAST_(1) << 10)
382#define STATUSB_IP3 11
383#define STATUSF_IP3 (_ULCAST_(1) << 11)
384#define STATUSB_IP4 12
385#define STATUSF_IP4 (_ULCAST_(1) << 12)
386#define STATUSB_IP5 13
387#define STATUSF_IP5 (_ULCAST_(1) << 13)
388#define STATUSB_IP6 14
389#define STATUSF_IP6 (_ULCAST_(1) << 14)
390#define STATUSB_IP7 15
391#define STATUSF_IP7 (_ULCAST_(1) << 15)
392#define STATUSB_IP8 0
393#define STATUSF_IP8 (_ULCAST_(1) << 0)
394#define STATUSB_IP9 1
395#define STATUSF_IP9 (_ULCAST_(1) << 1)
396#define STATUSB_IP10 2
397#define STATUSF_IP10 (_ULCAST_(1) << 2)
398#define STATUSB_IP11 3
399#define STATUSF_IP11 (_ULCAST_(1) << 3)
400#define STATUSB_IP12 4
401#define STATUSF_IP12 (_ULCAST_(1) << 4)
402#define STATUSB_IP13 5
403#define STATUSF_IP13 (_ULCAST_(1) << 5)
404#define STATUSB_IP14 6
405#define STATUSF_IP14 (_ULCAST_(1) << 6)
406#define STATUSB_IP15 7
407#define STATUSF_IP15 (_ULCAST_(1) << 7)
1da177e4 408#define ST0_CH 0x00040000
96ffa02d 409#define ST0_NMI 0x00080000
1da177e4
LT
410#define ST0_SR 0x00100000
411#define ST0_TS 0x00200000
412#define ST0_BEV 0x00400000
413#define ST0_RE 0x02000000
414#define ST0_FR 0x04000000
415#define ST0_CU 0xf0000000
416#define ST0_CU0 0x10000000
417#define ST0_CU1 0x20000000
418#define ST0_CU2 0x40000000
419#define ST0_CU3 0x80000000
420#define ST0_XX 0x80000000 /* MIPS IV naming */
421
010c108d
DV
422/*
423 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
010c108d 424 */
9323f84f
JH
425#define INTCTLB_IPFDC 23
426#define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
010c108d
DV
427#define INTCTLB_IPPCI 26
428#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
429#define INTCTLB_IPTI 29
430#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
431
1da177e4
LT
432/*
433 * Bitfields and bit numbers in the coprocessor 0 cause register.
434 *
435 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
436 */
70342287
RB
437#define CAUSEB_EXCCODE 2
438#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
439#define CAUSEB_IP 8
440#define CAUSEF_IP (_ULCAST_(255) << 8)
441#define CAUSEB_IP0 8
442#define CAUSEF_IP0 (_ULCAST_(1) << 8)
443#define CAUSEB_IP1 9
444#define CAUSEF_IP1 (_ULCAST_(1) << 9)
445#define CAUSEB_IP2 10
446#define CAUSEF_IP2 (_ULCAST_(1) << 10)
447#define CAUSEB_IP3 11
448#define CAUSEF_IP3 (_ULCAST_(1) << 11)
449#define CAUSEB_IP4 12
450#define CAUSEF_IP4 (_ULCAST_(1) << 12)
451#define CAUSEB_IP5 13
452#define CAUSEF_IP5 (_ULCAST_(1) << 13)
453#define CAUSEB_IP6 14
454#define CAUSEF_IP6 (_ULCAST_(1) << 14)
455#define CAUSEB_IP7 15
456#define CAUSEF_IP7 (_ULCAST_(1) << 15)
9323f84f
JH
457#define CAUSEB_FDCI 21
458#define CAUSEF_FDCI (_ULCAST_(1) << 21)
70342287
RB
459#define CAUSEB_IV 23
460#define CAUSEF_IV (_ULCAST_(1) << 23)
461#define CAUSEB_PCI 26
462#define CAUSEF_PCI (_ULCAST_(1) << 26)
463#define CAUSEB_CE 28
464#define CAUSEF_CE (_ULCAST_(3) << 28)
465#define CAUSEB_TI 30
466#define CAUSEF_TI (_ULCAST_(1) << 30)
467#define CAUSEB_BD 31
468#define CAUSEF_BD (_ULCAST_(1) << 31)
1da177e4
LT
469
470/*
471 * Bits in the coprocessor 0 config register.
472 */
473/* Generic bits. */
474#define CONF_CM_CACHABLE_NO_WA 0
475#define CONF_CM_CACHABLE_WA 1
476#define CONF_CM_UNCACHED 2
477#define CONF_CM_CACHABLE_NONCOHERENT 3
478#define CONF_CM_CACHABLE_CE 4
479#define CONF_CM_CACHABLE_COW 5
480#define CONF_CM_CACHABLE_CUW 6
481#define CONF_CM_CACHABLE_ACCELERATED 7
482#define CONF_CM_CMASK 7
483#define CONF_BE (_ULCAST_(1) << 15)
484
485/* Bits common to various processors. */
70342287
RB
486#define CONF_CU (_ULCAST_(1) << 3)
487#define CONF_DB (_ULCAST_(1) << 4)
488#define CONF_IB (_ULCAST_(1) << 5)
489#define CONF_DC (_ULCAST_(7) << 6)
490#define CONF_IC (_ULCAST_(7) << 9)
1da177e4
LT
491#define CONF_EB (_ULCAST_(1) << 13)
492#define CONF_EM (_ULCAST_(1) << 14)
493#define CONF_SM (_ULCAST_(1) << 16)
494#define CONF_SC (_ULCAST_(1) << 17)
495#define CONF_EW (_ULCAST_(3) << 18)
496#define CONF_EP (_ULCAST_(15)<< 24)
497#define CONF_EC (_ULCAST_(7) << 28)
498#define CONF_CM (_ULCAST_(1) << 31)
499
70342287 500/* Bits specific to the R4xx0. */
1da177e4
LT
501#define R4K_CONF_SW (_ULCAST_(1) << 20)
502#define R4K_CONF_SS (_ULCAST_(1) << 21)
e20368d5 503#define R4K_CONF_SB (_ULCAST_(3) << 22)
1da177e4 504
70342287 505/* Bits specific to the R5000. */
1da177e4
LT
506#define R5K_CONF_SE (_ULCAST_(1) << 12)
507#define R5K_CONF_SS (_ULCAST_(3) << 20)
508
70342287
RB
509/* Bits specific to the RM7000. */
510#define RM7K_CONF_SE (_ULCAST_(1) << 3)
c6ad7b7d
MR
511#define RM7K_CONF_TE (_ULCAST_(1) << 12)
512#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
513#define RM7K_CONF_TC (_ULCAST_(1) << 17)
514#define RM7K_CONF_SI (_ULCAST_(3) << 20)
515#define RM7K_CONF_SC (_ULCAST_(1) << 31)
ba5187db 516
70342287
RB
517/* Bits specific to the R10000. */
518#define R10K_CONF_DN (_ULCAST_(3) << 3)
519#define R10K_CONF_CT (_ULCAST_(1) << 5)
520#define R10K_CONF_PE (_ULCAST_(1) << 6)
521#define R10K_CONF_PM (_ULCAST_(3) << 7)
522#define R10K_CONF_EC (_ULCAST_(15)<< 9)
1da177e4
LT
523#define R10K_CONF_SB (_ULCAST_(1) << 13)
524#define R10K_CONF_SK (_ULCAST_(1) << 14)
525#define R10K_CONF_SS (_ULCAST_(7) << 16)
526#define R10K_CONF_SC (_ULCAST_(7) << 19)
527#define R10K_CONF_DC (_ULCAST_(7) << 26)
528#define R10K_CONF_IC (_ULCAST_(7) << 29)
529
70342287 530/* Bits specific to the VR41xx. */
1da177e4 531#define VR41_CONF_CS (_ULCAST_(1) << 12)
2874fe55 532#define VR41_CONF_P4K (_ULCAST_(1) << 13)
4e8ab361 533#define VR41_CONF_BP (_ULCAST_(1) << 16)
1da177e4
LT
534#define VR41_CONF_M16 (_ULCAST_(1) << 20)
535#define VR41_CONF_AD (_ULCAST_(1) << 23)
536
70342287 537/* Bits specific to the R30xx. */
1da177e4
LT
538#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
539#define R30XX_CONF_REV (_ULCAST_(1) << 22)
540#define R30XX_CONF_AC (_ULCAST_(1) << 23)
541#define R30XX_CONF_RF (_ULCAST_(1) << 24)
542#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
543#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
544#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
545#define R30XX_CONF_SB (_ULCAST_(1) << 30)
546#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
547
548/* Bits specific to the TX49. */
549#define TX49_CONF_DC (_ULCAST_(1) << 16)
550#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
551#define TX49_CONF_HALT (_ULCAST_(1) << 18)
552#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
553
70342287
RB
554/* Bits specific to the MIPS32/64 PRA. */
555#define MIPS_CONF_MT (_ULCAST_(7) << 7)
1da177e4
LT
556#define MIPS_CONF_AR (_ULCAST_(7) << 10)
557#define MIPS_CONF_AT (_ULCAST_(3) << 13)
558#define MIPS_CONF_M (_ULCAST_(1) << 31)
559
4194318c
RB
560/*
561 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
562 */
70342287
RB
563#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
564#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
565#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
566#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
567#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
568#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
569#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
570#define MIPS_CONF1_DA_SHF 7
571#define MIPS_CONF1_DA_SZ 3
70342287 572#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
573#define MIPS_CONF1_DL_SHF 10
574#define MIPS_CONF1_DL_SZ 3
4194318c 575#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
576#define MIPS_CONF1_DS_SHF 13
577#define MIPS_CONF1_DS_SZ 3
4194318c 578#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
579#define MIPS_CONF1_IA_SHF 16
580#define MIPS_CONF1_IA_SZ 3
4194318c 581#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
582#define MIPS_CONF1_IL_SHF 19
583#define MIPS_CONF1_IL_SZ 3
4194318c 584#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
585#define MIPS_CONF1_IS_SHF 22
586#define MIPS_CONF1_IS_SZ 3
4194318c 587#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
588#define MIPS_CONF1_TLBS_SHIFT (25)
589#define MIPS_CONF1_TLBS_SIZE (6)
590#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 591
70342287
RB
592#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
593#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
594#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
595#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
596#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
597#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
598#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
599#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
600
70342287
RB
601#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
602#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
603#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 604#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
605#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
606#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
607#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
608#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
609#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
610#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 611#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 612#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 613#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 614#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 615#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 616#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
617#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
618#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
619#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 620#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
621#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
622#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
623#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
624#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
625#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
626#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
627#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
628
629#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 630#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba 631#define MIPS_CONF4_FTLBSETS_SHIFT (0)
691038ba
LY
632#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
633#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
634#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
635#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
636/* bits 10:8 in FTLB-only configurations */
637#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
638/* bits 12:8 in VTLB-FTLB only configurations */
639#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
1b362e3e
DD
640#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
641#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
691038ba
LY
642#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
643#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
644#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16)
645#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
646#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
647#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
648#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
649#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
1b362e3e 650
2f9ee82c
RB
651#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
652#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
e19d5dba 653#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
5aed9da1 654#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
23d06e4f 655#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
5ff04a84
PB
656#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
657#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
658#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
659#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
660#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
661#define MIPS_CONF5_K (_ULCAST_(1) << 30)
662
006a851b 663#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
664/* proAptiv FTLB on/off bit */
665#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
cf0a8aa0
MC
666/* FTLB probability bits */
667#define MIPS_CONF6_FTLBP_SHIFT (16)
006a851b 668
4b3e975e
RB
669#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
670
9267a30d
MSJ
671#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
672
02dc6bfb
MC
673#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
674#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
675
e19d5dba
PB
676/* MAAR bit definitions */
677#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
678#define MIPS_MAAR_ADDR_SHIFT 12
679#define MIPS_MAAR_S (_ULCAST_(1) << 1)
680#define MIPS_MAAR_V (_ULCAST_(1) << 0)
681
691038ba
LY
682/* EntryHI bit definition */
683#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
9267a30d 684
4dd8ee5d
PB
685/* CMGCRBase bit definitions */
686#define MIPS_CMGCRB_BASE 11
687#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
688
4194318c
RB
689/*
690 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
691 */
692#define MIPS_FPIR_S (_ULCAST_(1) << 16)
693#define MIPS_FPIR_D (_ULCAST_(1) << 17)
694#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
695#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
696#define MIPS_FPIR_W (_ULCAST_(1) << 20)
697#define MIPS_FPIR_L (_ULCAST_(1) << 21)
698#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
5ff04a84 699#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
4194318c 700
4a0156fb
SH
701/*
702 * Bits in the MIPS32 Memory Segmentation registers.
703 */
704#define MIPS_SEGCFG_PA_SHIFT 9
705#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
706#define MIPS_SEGCFG_AM_SHIFT 4
707#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
708#define MIPS_SEGCFG_EU_SHIFT 3
709#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
710#define MIPS_SEGCFG_C_SHIFT 0
711#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
712
713#define MIPS_SEGCFG_UUSK _ULCAST_(7)
714#define MIPS_SEGCFG_USK _ULCAST_(5)
715#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
716#define MIPS_SEGCFG_MUSK _ULCAST_(3)
717#define MIPS_SEGCFG_MSK _ULCAST_(2)
718#define MIPS_SEGCFG_MK _ULCAST_(1)
719#define MIPS_SEGCFG_UK _ULCAST_(0)
720
87d08bc9
MC
721#define MIPS_PWFIELD_GDI_SHIFT 24
722#define MIPS_PWFIELD_GDI_MASK 0x3f000000
723#define MIPS_PWFIELD_UDI_SHIFT 18
724#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
725#define MIPS_PWFIELD_MDI_SHIFT 12
726#define MIPS_PWFIELD_MDI_MASK 0x0003f000
727#define MIPS_PWFIELD_PTI_SHIFT 6
728#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
729#define MIPS_PWFIELD_PTEI_SHIFT 0
730#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
731
732#define MIPS_PWSIZE_GDW_SHIFT 24
733#define MIPS_PWSIZE_GDW_MASK 0x3f000000
734#define MIPS_PWSIZE_UDW_SHIFT 18
735#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
736#define MIPS_PWSIZE_MDW_SHIFT 12
737#define MIPS_PWSIZE_MDW_MASK 0x0003f000
738#define MIPS_PWSIZE_PTW_SHIFT 6
739#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
740#define MIPS_PWSIZE_PTEW_SHIFT 0
741#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
742
743#define MIPS_PWCTL_PWEN_SHIFT 31
744#define MIPS_PWCTL_PWEN_MASK 0x80000000
745#define MIPS_PWCTL_DPH_SHIFT 7
746#define MIPS_PWCTL_DPH_MASK 0x00000080
747#define MIPS_PWCTL_HUGEPG_SHIFT 6
748#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
749#define MIPS_PWCTL_PSN_SHIFT 0
750#define MIPS_PWCTL_PSN_MASK 0x0000003f
751
9b3274bd
JH
752/* CDMMBase register bit definitions */
753#define MIPS_CDMMBASE_SIZE_SHIFT 0
754#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
755#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
756#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
757#define MIPS_CDMMBASE_ADDR_SHIFT 11
758#define MIPS_CDMMBASE_ADDR_START 15
759
1da177e4
LT
760#ifndef __ASSEMBLY__
761
bfd08baa 762/*
377cb1b6 763 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 764 */
377cb1b6
RB
765#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
766 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
767#define get_isa16_mode(x) ((x) & 0x1)
768#define msk_isa16_mode(x) ((x) & ~0x1)
769#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
770#else
771#define get_isa16_mode(x) 0
772#define msk_isa16_mode(x) (x)
773#define set_isa16_mode(x) do { } while(0)
774#endif
bfd08baa
SH
775
776/*
777 * microMIPS instructions can be 16-bit or 32-bit in length. This
778 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
779 */
780static inline int mm_insn_16bit(u16 insn)
781{
782 u16 opcode = (insn >> 10) & 0x7;
783
784 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
785}
786
198bb4ce
LY
787/*
788 * TLB Invalidate Flush
789 */
790static inline void tlbinvf(void)
791{
792 __asm__ __volatile__(
793 ".set push\n\t"
794 ".set noreorder\n\t"
795 ".word 0x42000004\n\t" /* tlbinvf */
796 ".set pop");
797}
798
799
1da177e4 800/*
70342287 801 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
802 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
803 * performance counter number encoded into bits 1 ... 5 of the instruction.
804 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
805 * disassembler these will look like an access to sel 0 or 1.
806 */
807#define read_r10k_perf_cntr(counter) \
808({ \
809 unsigned int __res; \
810 __asm__ __volatile__( \
811 "mfpc\t%0, %1" \
70342287 812 : "=r" (__res) \
1da177e4
LT
813 : "i" (counter)); \
814 \
70342287 815 __res; \
1da177e4
LT
816})
817
70342287 818#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
819do { \
820 __asm__ __volatile__( \
821 "mtpc\t%0, %1" \
822 : \
823 : "r" (val), "i" (counter)); \
824} while (0)
825
826#define read_r10k_perf_event(counter) \
827({ \
828 unsigned int __res; \
829 __asm__ __volatile__( \
830 "mfps\t%0, %1" \
70342287 831 : "=r" (__res) \
1da177e4
LT
832 : "i" (counter)); \
833 \
70342287 834 __res; \
1da177e4
LT
835})
836
70342287 837#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
838do { \
839 __asm__ __volatile__( \
840 "mtps\t%0, %1" \
841 : \
842 : "r" (val), "i" (counter)); \
843} while (0)
844
845
846/*
847 * Macros to access the system control coprocessor
848 */
849
850#define __read_32bit_c0_register(source, sel) \
851({ int __res; \
852 if (sel == 0) \
853 __asm__ __volatile__( \
854 "mfc0\t%0, " #source "\n\t" \
855 : "=r" (__res)); \
856 else \
857 __asm__ __volatile__( \
858 ".set\tmips32\n\t" \
859 "mfc0\t%0, " #source ", " #sel "\n\t" \
860 ".set\tmips0\n\t" \
861 : "=r" (__res)); \
862 __res; \
863})
864
865#define __read_64bit_c0_register(source, sel) \
866({ unsigned long long __res; \
867 if (sizeof(unsigned long) == 4) \
868 __res = __read_64bit_c0_split(source, sel); \
869 else if (sel == 0) \
870 __asm__ __volatile__( \
871 ".set\tmips3\n\t" \
872 "dmfc0\t%0, " #source "\n\t" \
873 ".set\tmips0" \
874 : "=r" (__res)); \
875 else \
876 __asm__ __volatile__( \
877 ".set\tmips64\n\t" \
878 "dmfc0\t%0, " #source ", " #sel "\n\t" \
879 ".set\tmips0" \
880 : "=r" (__res)); \
881 __res; \
882})
883
884#define __write_32bit_c0_register(register, sel, value) \
885do { \
886 if (sel == 0) \
887 __asm__ __volatile__( \
888 "mtc0\t%z0, " #register "\n\t" \
0952e290 889 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
890 else \
891 __asm__ __volatile__( \
892 ".set\tmips32\n\t" \
893 "mtc0\t%z0, " #register ", " #sel "\n\t" \
894 ".set\tmips0" \
0952e290 895 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
896} while (0)
897
898#define __write_64bit_c0_register(register, sel, value) \
899do { \
900 if (sizeof(unsigned long) == 4) \
901 __write_64bit_c0_split(register, sel, value); \
902 else if (sel == 0) \
903 __asm__ __volatile__( \
904 ".set\tmips3\n\t" \
905 "dmtc0\t%z0, " #register "\n\t" \
906 ".set\tmips0" \
907 : : "Jr" (value)); \
908 else \
909 __asm__ __volatile__( \
910 ".set\tmips64\n\t" \
911 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
912 ".set\tmips0" \
913 : : "Jr" (value)); \
914} while (0)
915
916#define __read_ulong_c0_register(reg, sel) \
917 ((sizeof(unsigned long) == 4) ? \
918 (unsigned long) __read_32bit_c0_register(reg, sel) : \
919 (unsigned long) __read_64bit_c0_register(reg, sel))
920
921#define __write_ulong_c0_register(reg, sel, val) \
922do { \
923 if (sizeof(unsigned long) == 4) \
924 __write_32bit_c0_register(reg, sel, val); \
925 else \
926 __write_64bit_c0_register(reg, sel, val); \
927} while (0)
928
929/*
930 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
931 */
932#define __read_32bit_c0_ctrl_register(source) \
933({ int __res; \
934 __asm__ __volatile__( \
935 "cfc0\t%0, " #source "\n\t" \
936 : "=r" (__res)); \
937 __res; \
938})
939
940#define __write_32bit_c0_ctrl_register(register, value) \
941do { \
942 __asm__ __volatile__( \
943 "ctc0\t%z0, " #register "\n\t" \
0952e290 944 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
945} while (0)
946
947/*
948 * These versions are only needed for systems with more than 38 bits of
949 * physical address space running the 32-bit kernel. That's none atm :-)
950 */
951#define __read_64bit_c0_split(source, sel) \
952({ \
87d43dd4
AN
953 unsigned long long __val; \
954 unsigned long __flags; \
1da177e4 955 \
87d43dd4 956 local_irq_save(__flags); \
1da177e4
LT
957 if (sel == 0) \
958 __asm__ __volatile__( \
959 ".set\tmips64\n\t" \
960 "dmfc0\t%M0, " #source "\n\t" \
961 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
962 "dsra\t%M0, %M0, 32\n\t" \
963 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 964 ".set\tmips0" \
87d43dd4 965 : "=r" (__val)); \
1da177e4
LT
966 else \
967 __asm__ __volatile__( \
968 ".set\tmips64\n\t" \
969 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
970 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
971 "dsra\t%M0, %M0, 32\n\t" \
972 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 973 ".set\tmips0" \
87d43dd4
AN
974 : "=r" (__val)); \
975 local_irq_restore(__flags); \
1da177e4 976 \
87d43dd4 977 __val; \
1da177e4
LT
978})
979
980#define __write_64bit_c0_split(source, sel, val) \
981do { \
87d43dd4 982 unsigned long __flags; \
1da177e4 983 \
87d43dd4 984 local_irq_save(__flags); \
1da177e4
LT
985 if (sel == 0) \
986 __asm__ __volatile__( \
987 ".set\tmips64\n\t" \
988 "dsll\t%L0, %L0, 32\n\t" \
989 "dsrl\t%L0, %L0, 32\n\t" \
990 "dsll\t%M0, %M0, 32\n\t" \
991 "or\t%L0, %L0, %M0\n\t" \
992 "dmtc0\t%L0, " #source "\n\t" \
993 ".set\tmips0" \
994 : : "r" (val)); \
995 else \
996 __asm__ __volatile__( \
997 ".set\tmips64\n\t" \
998 "dsll\t%L0, %L0, 32\n\t" \
999 "dsrl\t%L0, %L0, 32\n\t" \
1000 "dsll\t%M0, %M0, 32\n\t" \
1001 "or\t%L0, %L0, %M0\n\t" \
1002 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1003 ".set\tmips0" \
1004 : : "r" (val)); \
87d43dd4 1005 local_irq_restore(__flags); \
1da177e4
LT
1006} while (0)
1007
23d06e4f
SH
1008#define __readx_32bit_c0_register(source) \
1009({ \
1010 unsigned int __res; \
1011 \
1012 __asm__ __volatile__( \
1013 " .set push \n" \
1014 " .set noat \n" \
1015 " .set mips32r2 \n" \
1016 " .insn \n" \
1017 " # mfhc0 $1, %1 \n" \
1018 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
1019 " move %0, $1 \n" \
1020 " .set pop \n" \
1021 : "=r" (__res) \
1022 : "i" (source)); \
1023 __res; \
1024})
1025
1026#define __writex_32bit_c0_register(register, value) \
1027do { \
1028 __asm__ __volatile__( \
1029 " .set push \n" \
1030 " .set noat \n" \
1031 " .set mips32r2 \n" \
1032 " move $1, %0 \n" \
1033 " # mthc0 $1, %1 \n" \
1034 " .insn \n" \
1035 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
1036 " .set pop \n" \
1037 : \
1038 : "r" (value), "i" (register)); \
1039} while (0)
1040
1da177e4
LT
1041#define read_c0_index() __read_32bit_c0_register($0, 0)
1042#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1043
272bace7
RB
1044#define read_c0_random() __read_32bit_c0_register($1, 0)
1045#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1046
1da177e4
LT
1047#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1048#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1049
23d06e4f
SH
1050#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1051#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1052
1da177e4
LT
1053#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1054#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1055
23d06e4f
SH
1056#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1057#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1058
1da177e4
LT
1059#define read_c0_conf() __read_32bit_c0_register($3, 0)
1060#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1061
1062#define read_c0_context() __read_ulong_c0_register($4, 0)
1063#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1064
a3692020 1065#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1066#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1067
1da177e4
LT
1068#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1069#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1070
9fe2e9d6 1071#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1072#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1073
1da177e4
LT
1074#define read_c0_wired() __read_32bit_c0_register($6, 0)
1075#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1076
1077#define read_c0_info() __read_32bit_c0_register($7, 0)
1078
70342287 1079#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1080#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1081
15c4f67a
RB
1082#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1083#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1084
1da177e4
LT
1085#define read_c0_count() __read_32bit_c0_register($9, 0)
1086#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1087
bdf21b18
PP
1088#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1089#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1090
1091#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1092#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1093
1da177e4
LT
1094#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1095#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1096
1097#define read_c0_compare() __read_32bit_c0_register($11, 0)
1098#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1099
bdf21b18
PP
1100#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1101#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1102
1103#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1104#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1105
1da177e4 1106#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1107
1da177e4
LT
1108#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1109
1110#define read_c0_cause() __read_32bit_c0_register($13, 0)
1111#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1112
1113#define read_c0_epc() __read_ulong_c0_register($14, 0)
1114#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1115
1116#define read_c0_prid() __read_32bit_c0_register($15, 0)
1117
4dd8ee5d
PB
1118#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1119
1da177e4
LT
1120#define read_c0_config() __read_32bit_c0_register($16, 0)
1121#define read_c0_config1() __read_32bit_c0_register($16, 1)
1122#define read_c0_config2() __read_32bit_c0_register($16, 2)
1123#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1124#define read_c0_config4() __read_32bit_c0_register($16, 4)
1125#define read_c0_config5() __read_32bit_c0_register($16, 5)
1126#define read_c0_config6() __read_32bit_c0_register($16, 6)
1127#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1128#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1129#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1130#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1131#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1132#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1133#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1134#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1135#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1136
b55b9e27
MC
1137#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1138#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1139#define read_c0_maar() __read_ulong_c0_register($17, 1)
1140#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1141#define read_c0_maari() __read_32bit_c0_register($17, 2)
1142#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1143
1da177e4 1144/*
25985edc 1145 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1146 */
1147#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1148#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1149#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1150#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1151#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1152#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1153#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1154#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1155#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1156#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1157#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1158#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1159#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1160#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1161#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1162#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1163
1164/*
25985edc 1165 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1166 */
1167#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1168#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1169#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1170#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1171#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1172#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1173#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1174#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1175
1176#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1177#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1178#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1179#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1180#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1181#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1182#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1183#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1184
1185#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1186#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1187
1188#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1189#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1190
1191#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1192#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1193
1da177e4
LT
1194#define read_c0_diag() __read_32bit_c0_register($22, 0)
1195#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1196
1197#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1198#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1199
1200#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1201#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1202
1203#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1204#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1205
1206#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1207#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1208
1209#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1210#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1211
1212#define read_c0_debug() __read_32bit_c0_register($23, 0)
1213#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1214
1215#define read_c0_depc() __read_ulong_c0_register($24, 0)
1216#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1217
1218/*
1219 * MIPS32 / MIPS64 performance counters
1220 */
1221#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1222#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1223#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1224#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1225#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1226#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1227#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1228#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1229#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1230#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1231#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1232#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1233#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1234#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1235#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1236#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1237#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1238#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1239#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1240#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1241#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1242#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1243#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1244#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1245
1da177e4
LT
1246#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1247#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1248
1249#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1250#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1251
1252#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1253
1254#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1255#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1256
1257#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1258#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1259
41c594ab
RB
1260#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1261#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1262
af231172
KC
1263#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1264#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1265
1266#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1267#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1268
1da177e4
LT
1269#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1270#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1271
1272#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1273#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1274
7a0fc58c 1275/* MIPSR2 */
21a151d8 1276#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1277#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1278
1279#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1280#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1281
1282#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1283#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1284
1285#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1286#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1287
21a151d8 1288#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1289#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1290
9b3274bd
JH
1291#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1292#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1293
4a0156fb
SH
1294/* MIPSR3 */
1295#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1296#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1297
1298#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1299#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1300
1301#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1302#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1303
87d08bc9
MC
1304/* Hardware Page Table Walker */
1305#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1306#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1307
1308#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1309#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1310
1311#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1312#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1313
1314#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1315#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1316
ed918c2d
DD
1317/* Cavium OCTEON (cnMIPS) */
1318#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1319#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1320
1321#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1322#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1323
1324#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1325#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1326/*
70342287 1327 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1328 * 64 bits wide.
1329 */
1330#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1331#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1332
1333#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1334#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1335
af231172
KC
1336/* BMIPS3300 */
1337#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1338#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1339
1340#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1341#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1342
1343#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1344#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1345
020232f1 1346/* BMIPS43xx */
af231172
KC
1347#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1348#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1349
1350#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1351#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1352
1353#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1354#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1355
1356#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1357#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1358
1359#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1360#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1361
1362/* BMIPS5000 */
1363#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1364#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1365
1366#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1367#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1368
1369#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1370#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1371
1372#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1373#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1374
1375#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1376#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1377
1378#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1379#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1380
1da177e4
LT
1381/*
1382 * Macros to access the floating point coprocessor control registers
1383 */
842dfc11 1384#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310
SH
1385({ \
1386 int __res; \
1387 \
1388 __asm__ __volatile__( \
1389 " .set push \n" \
1390 " .set reorder \n" \
1391 " # gas fails to assemble cfc1 for some archs, \n" \
1392 " # like Octeon. \n" \
1393 " .set mips1 \n" \
842dfc11 1394 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1395 " cfc1 %0,"STR(source)" \n" \
1396 " .set pop \n" \
1397 : "=r" (__res)); \
1398 __res; \
1399})
1da177e4 1400
5e32033e
JH
1401#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
1402do { \
1403 __asm__ __volatile__( \
1404 " .set push \n" \
1405 " .set reorder \n" \
1406 " "STR(gas_hardfloat)" \n" \
1407 " ctc1 %0,"STR(dest)" \n" \
1408 " .set pop \n" \
1409 : : "r" (val)); \
1410} while (0)
1411
842dfc11
ML
1412#ifdef GAS_HAS_SET_HARDFLOAT
1413#define read_32bit_cp1_register(source) \
1414 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
1415#define write_32bit_cp1_register(dest, val) \
1416 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
1417#else
1418#define read_32bit_cp1_register(source) \
1419 _read_32bit_cp1_register(source, )
5e32033e
JH
1420#define write_32bit_cp1_register(dest, val) \
1421 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
1422#endif
1423
32a7ede6 1424#ifdef HAVE_AS_DSP
e50c0a8f
RB
1425#define rddsp(mask) \
1426({ \
32a7ede6 1427 unsigned int __dspctl; \
e50c0a8f
RB
1428 \
1429 __asm__ __volatile__( \
63c2b681
FF
1430 " .set push \n" \
1431 " .set dsp \n" \
32a7ede6 1432 " rddsp %0, %x1 \n" \
63c2b681 1433 " .set pop \n" \
32a7ede6 1434 : "=r" (__dspctl) \
e50c0a8f 1435 : "i" (mask)); \
32a7ede6 1436 __dspctl; \
e50c0a8f
RB
1437})
1438
1439#define wrdsp(val, mask) \
1440do { \
e50c0a8f 1441 __asm__ __volatile__( \
63c2b681
FF
1442 " .set push \n" \
1443 " .set dsp \n" \
32a7ede6 1444 " wrdsp %0, %x1 \n" \
63c2b681 1445 " .set pop \n" \
70342287 1446 : \
e50c0a8f 1447 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1448} while (0)
1449
63c2b681
FF
1450#define mflo0() \
1451({ \
1452 long mflo0; \
1453 __asm__( \
1454 " .set push \n" \
1455 " .set dsp \n" \
1456 " mflo %0, $ac0 \n" \
1457 " .set pop \n" \
1458 : "=r" (mflo0)); \
1459 mflo0; \
1460})
1461
1462#define mflo1() \
1463({ \
1464 long mflo1; \
1465 __asm__( \
1466 " .set push \n" \
1467 " .set dsp \n" \
1468 " mflo %0, $ac1 \n" \
1469 " .set pop \n" \
1470 : "=r" (mflo1)); \
1471 mflo1; \
1472})
1473
1474#define mflo2() \
1475({ \
1476 long mflo2; \
1477 __asm__( \
1478 " .set push \n" \
1479 " .set dsp \n" \
1480 " mflo %0, $ac2 \n" \
1481 " .set pop \n" \
1482 : "=r" (mflo2)); \
1483 mflo2; \
1484})
1485
1486#define mflo3() \
1487({ \
1488 long mflo3; \
1489 __asm__( \
1490 " .set push \n" \
1491 " .set dsp \n" \
1492 " mflo %0, $ac3 \n" \
1493 " .set pop \n" \
1494 : "=r" (mflo3)); \
1495 mflo3; \
1496})
1497
1498#define mfhi0() \
1499({ \
1500 long mfhi0; \
1501 __asm__( \
1502 " .set push \n" \
1503 " .set dsp \n" \
1504 " mfhi %0, $ac0 \n" \
1505 " .set pop \n" \
1506 : "=r" (mfhi0)); \
1507 mfhi0; \
1508})
1509
1510#define mfhi1() \
1511({ \
1512 long mfhi1; \
1513 __asm__( \
1514 " .set push \n" \
1515 " .set dsp \n" \
1516 " mfhi %0, $ac1 \n" \
1517 " .set pop \n" \
1518 : "=r" (mfhi1)); \
1519 mfhi1; \
1520})
1521
1522#define mfhi2() \
1523({ \
1524 long mfhi2; \
1525 __asm__( \
1526 " .set push \n" \
1527 " .set dsp \n" \
1528 " mfhi %0, $ac2 \n" \
1529 " .set pop \n" \
1530 : "=r" (mfhi2)); \
1531 mfhi2; \
1532})
1533
1534#define mfhi3() \
1535({ \
1536 long mfhi3; \
1537 __asm__( \
1538 " .set push \n" \
1539 " .set dsp \n" \
1540 " mfhi %0, $ac3 \n" \
1541 " .set pop \n" \
1542 : "=r" (mfhi3)); \
1543 mfhi3; \
1544})
1545
1546
1547#define mtlo0(x) \
1548({ \
1549 __asm__( \
1550 " .set push \n" \
1551 " .set dsp \n" \
1552 " mtlo %0, $ac0 \n" \
1553 " .set pop \n" \
1554 : \
1555 : "r" (x)); \
1556})
1557
1558#define mtlo1(x) \
1559({ \
1560 __asm__( \
1561 " .set push \n" \
1562 " .set dsp \n" \
1563 " mtlo %0, $ac1 \n" \
1564 " .set pop \n" \
1565 : \
1566 : "r" (x)); \
1567})
1568
1569#define mtlo2(x) \
1570({ \
1571 __asm__( \
1572 " .set push \n" \
1573 " .set dsp \n" \
1574 " mtlo %0, $ac2 \n" \
1575 " .set pop \n" \
1576 : \
1577 : "r" (x)); \
1578})
1579
1580#define mtlo3(x) \
1581({ \
1582 __asm__( \
1583 " .set push \n" \
1584 " .set dsp \n" \
1585 " mtlo %0, $ac3 \n" \
1586 " .set pop \n" \
1587 : \
1588 : "r" (x)); \
1589})
1590
1591#define mthi0(x) \
1592({ \
1593 __asm__( \
1594 " .set push \n" \
1595 " .set dsp \n" \
1596 " mthi %0, $ac0 \n" \
1597 " .set pop \n" \
1598 : \
1599 : "r" (x)); \
1600})
1601
1602#define mthi1(x) \
1603({ \
1604 __asm__( \
1605 " .set push \n" \
1606 " .set dsp \n" \
1607 " mthi %0, $ac1 \n" \
1608 " .set pop \n" \
1609 : \
1610 : "r" (x)); \
1611})
1612
1613#define mthi2(x) \
1614({ \
1615 __asm__( \
1616 " .set push \n" \
1617 " .set dsp \n" \
1618 " mthi %0, $ac2 \n" \
1619 " .set pop \n" \
1620 : \
1621 : "r" (x)); \
1622})
1623
1624#define mthi3(x) \
1625({ \
1626 __asm__( \
1627 " .set push \n" \
1628 " .set dsp \n" \
1629 " mthi %0, $ac3 \n" \
1630 " .set pop \n" \
1631 : \
1632 : "r" (x)); \
1633})
e50c0a8f
RB
1634
1635#else
1636
d0c1b478
SH
1637#ifdef CONFIG_CPU_MICROMIPS
1638#define rddsp(mask) \
e50c0a8f 1639({ \
d0c1b478 1640 unsigned int __res; \
e50c0a8f
RB
1641 \
1642 __asm__ __volatile__( \
e50c0a8f
RB
1643 " .set push \n" \
1644 " .set noat \n" \
d0c1b478
SH
1645 " # rddsp $1, %x1 \n" \
1646 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1647 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1648 " move %0, $1 \n" \
e50c0a8f 1649 " .set pop \n" \
d0c1b478
SH
1650 : "=r" (__res) \
1651 : "i" (mask)); \
1652 __res; \
1653})
e50c0a8f 1654
d0c1b478 1655#define wrdsp(val, mask) \
e50c0a8f
RB
1656do { \
1657 __asm__ __volatile__( \
1658 " .set push \n" \
1659 " .set noat \n" \
1660 " move $1, %0 \n" \
d0c1b478
SH
1661 " # wrdsp $1, %x1 \n" \
1662 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1663 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1664 " .set pop \n" \
1665 : \
d0c1b478 1666 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1667} while (0)
1668
d0c1b478
SH
1669#define _umips_dsp_mfxxx(ins) \
1670({ \
1671 unsigned long __treg; \
1672 \
e50c0a8f
RB
1673 __asm__ __volatile__( \
1674 " .set push \n" \
1675 " .set noat \n" \
d0c1b478
SH
1676 " .hword 0x0001 \n" \
1677 " .hword %x1 \n" \
1678 " move %0, $1 \n" \
e50c0a8f 1679 " .set pop \n" \
d0c1b478
SH
1680 : "=r" (__treg) \
1681 : "i" (ins)); \
1682 __treg; \
1683})
e50c0a8f 1684
d0c1b478 1685#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1686do { \
1687 __asm__ __volatile__( \
1688 " .set push \n" \
1689 " .set noat \n" \
1690 " move $1, %0 \n" \
d0c1b478
SH
1691 " .hword 0x0001 \n" \
1692 " .hword %x1 \n" \
e50c0a8f
RB
1693 " .set pop \n" \
1694 : \
d0c1b478 1695 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1696} while (0)
1697
d0c1b478
SH
1698#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1699#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1700
1701#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1702#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1703
1704#define mflo0() _umips_dsp_mflo(0)
1705#define mflo1() _umips_dsp_mflo(1)
1706#define mflo2() _umips_dsp_mflo(2)
1707#define mflo3() _umips_dsp_mflo(3)
1708
1709#define mfhi0() _umips_dsp_mfhi(0)
1710#define mfhi1() _umips_dsp_mfhi(1)
1711#define mfhi2() _umips_dsp_mfhi(2)
1712#define mfhi3() _umips_dsp_mfhi(3)
1713
1714#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1715#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1716#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1717#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1718
1719#define mthi0(x) _umips_dsp_mthi(x, 0)
1720#define mthi1(x) _umips_dsp_mthi(x, 1)
1721#define mthi2(x) _umips_dsp_mthi(x, 2)
1722#define mthi3(x) _umips_dsp_mthi(x, 3)
1723
1724#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1725#define rddsp(mask) \
1726({ \
1727 unsigned int __res; \
1728 \
e50c0a8f 1729 __asm__ __volatile__( \
32a7ede6
SH
1730 " .set push \n" \
1731 " .set noat \n" \
1732 " # rddsp $1, %x1 \n" \
1733 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1734 " move %0, $1 \n" \
1735 " .set pop \n" \
1736 : "=r" (__res) \
1737 : "i" (mask)); \
1738 __res; \
1739})
e50c0a8f 1740
32a7ede6 1741#define wrdsp(val, mask) \
e50c0a8f
RB
1742do { \
1743 __asm__ __volatile__( \
1744 " .set push \n" \
1745 " .set noat \n" \
1746 " move $1, %0 \n" \
32a7ede6
SH
1747 " # wrdsp $1, %x1 \n" \
1748 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1749 " .set pop \n" \
32a7ede6
SH
1750 : \
1751 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1752} while (0)
1753
4cb764b4 1754#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1755({ \
1756 unsigned long __treg; \
1757 \
e50c0a8f
RB
1758 __asm__ __volatile__( \
1759 " .set push \n" \
1760 " .set noat \n" \
4cb764b4
SH
1761 " .word (0x00000810 | %1) \n" \
1762 " move %0, $1 \n" \
e50c0a8f 1763 " .set pop \n" \
4cb764b4
SH
1764 : "=r" (__treg) \
1765 : "i" (ins)); \
1766 __treg; \
1767})
e50c0a8f 1768
4cb764b4 1769#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1770do { \
1771 __asm__ __volatile__( \
1772 " .set push \n" \
1773 " .set noat \n" \
1774 " move $1, %0 \n" \
4cb764b4 1775 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1776 " .set pop \n" \
1777 : \
4cb764b4 1778 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1779} while (0)
1780
4cb764b4
SH
1781#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1782#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1783
4cb764b4
SH
1784#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1785#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1786
4cb764b4
SH
1787#define mflo0() _dsp_mflo(0)
1788#define mflo1() _dsp_mflo(1)
1789#define mflo2() _dsp_mflo(2)
1790#define mflo3() _dsp_mflo(3)
e50c0a8f 1791
4cb764b4
SH
1792#define mfhi0() _dsp_mfhi(0)
1793#define mfhi1() _dsp_mfhi(1)
1794#define mfhi2() _dsp_mfhi(2)
1795#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1796
4cb764b4
SH
1797#define mtlo0(x) _dsp_mtlo(x, 0)
1798#define mtlo1(x) _dsp_mtlo(x, 1)
1799#define mtlo2(x) _dsp_mtlo(x, 2)
1800#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1801
4cb764b4
SH
1802#define mthi0(x) _dsp_mthi(x, 0)
1803#define mthi1(x) _dsp_mthi(x, 1)
1804#define mthi2(x) _dsp_mthi(x, 2)
1805#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1806
d0c1b478 1807#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1808#endif
1809
1da177e4
LT
1810/*
1811 * TLB operations.
1812 *
1813 * It is responsibility of the caller to take care of any TLB hazards.
1814 */
1815static inline void tlb_probe(void)
1816{
1817 __asm__ __volatile__(
1818 ".set noreorder\n\t"
1819 "tlbp\n\t"
1820 ".set reorder");
1821}
1822
1823static inline void tlb_read(void)
1824{
9267a30d
MSJ
1825#if MIPS34K_MISSED_ITLB_WAR
1826 int res = 0;
1827
1828 __asm__ __volatile__(
1829 " .set push \n"
1830 " .set noreorder \n"
1831 " .set noat \n"
1832 " .set mips32r2 \n"
1833 " .word 0x41610001 # dvpe $1 \n"
1834 " move %0, $1 \n"
1835 " ehb \n"
1836 " .set pop \n"
1837 : "=r" (res));
1838
1839 instruction_hazard();
1840#endif
1841
1da177e4
LT
1842 __asm__ __volatile__(
1843 ".set noreorder\n\t"
1844 "tlbr\n\t"
1845 ".set reorder");
9267a30d
MSJ
1846
1847#if MIPS34K_MISSED_ITLB_WAR
1848 if ((res & _ULCAST_(1)))
1849 __asm__ __volatile__(
1850 " .set push \n"
1851 " .set noreorder \n"
1852 " .set noat \n"
1853 " .set mips32r2 \n"
1854 " .word 0x41600021 # evpe \n"
1855 " ehb \n"
1856 " .set pop \n");
1857#endif
1da177e4
LT
1858}
1859
1860static inline void tlb_write_indexed(void)
1861{
1862 __asm__ __volatile__(
1863 ".set noreorder\n\t"
1864 "tlbwi\n\t"
1865 ".set reorder");
1866}
1867
1868static inline void tlb_write_random(void)
1869{
1870 __asm__ __volatile__(
1871 ".set noreorder\n\t"
1872 "tlbwr\n\t"
1873 ".set reorder");
1874}
1875
1876/*
1877 * Manipulate bits in a c0 register.
1878 */
1879#define __BUILD_SET_C0(name) \
1880static inline unsigned int \
1881set_c0_##name(unsigned int set) \
1882{ \
89e18eb3 1883 unsigned int res, new; \
1da177e4
LT
1884 \
1885 res = read_c0_##name(); \
89e18eb3
RB
1886 new = res | set; \
1887 write_c0_##name(new); \
1da177e4
LT
1888 \
1889 return res; \
1890} \
1891 \
1892static inline unsigned int \
1893clear_c0_##name(unsigned int clear) \
1894{ \
89e18eb3 1895 unsigned int res, new; \
1da177e4
LT
1896 \
1897 res = read_c0_##name(); \
89e18eb3
RB
1898 new = res & ~clear; \
1899 write_c0_##name(new); \
1da177e4
LT
1900 \
1901 return res; \
1902} \
1903 \
1904static inline unsigned int \
89e18eb3 1905change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 1906{ \
89e18eb3 1907 unsigned int res, new; \
1da177e4
LT
1908 \
1909 res = read_c0_##name(); \
89e18eb3
RB
1910 new = res & ~change; \
1911 new |= (val & change); \
1912 write_c0_##name(new); \
1da177e4
LT
1913 \
1914 return res; \
1915}
1916
1917__BUILD_SET_C0(status)
1918__BUILD_SET_C0(cause)
1919__BUILD_SET_C0(config)
7f65afb9 1920__BUILD_SET_C0(config5)
1da177e4 1921__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
1922__BUILD_SET_C0(intctl)
1923__BUILD_SET_C0(srsmap)
a5770df0 1924__BUILD_SET_C0(pagegrain)
020232f1
KC
1925__BUILD_SET_C0(brcm_config_0)
1926__BUILD_SET_C0(brcm_bus_pll)
1927__BUILD_SET_C0(brcm_reset)
1928__BUILD_SET_C0(brcm_cmt_intr)
1929__BUILD_SET_C0(brcm_cmt_ctrl)
1930__BUILD_SET_C0(brcm_config)
1931__BUILD_SET_C0(brcm_mode)
1da177e4 1932
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DD
1933/*
1934 * Return low 10 bits of ebase.
1935 * Note that under KVM (MIPSVZ) this returns vcpu id.
1936 */
1937static inline unsigned int get_ebase_cpunum(void)
1938{
1939 return read_c0_ebase() & 0x3ff;
1940}
1941
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LT
1942#endif /* !__ASSEMBLY__ */
1943
1944#endif /* _ASM_MIPSREGS_H */