MIPS: mipsregs.h: Reorder CP1 macro definitions
[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
1da177e4
LT
114
115/*
116 * Values for PageMask register
117 */
118#ifdef CONFIG_CPU_VR41XX
119
120/* Why doesn't stupidity hurt ... */
121
122#define PM_1K 0x00000000
123#define PM_4K 0x00001800
124#define PM_16K 0x00007800
125#define PM_64K 0x0001f800
126#define PM_256K 0x0007f800
127
128#else
129
130#define PM_4K 0x00000000
c52399be 131#define PM_8K 0x00002000
1da177e4 132#define PM_16K 0x00006000
c52399be 133#define PM_32K 0x0000e000
1da177e4 134#define PM_64K 0x0001e000
c52399be 135#define PM_128K 0x0003e000
1da177e4 136#define PM_256K 0x0007e000
c52399be 137#define PM_512K 0x000fe000
1da177e4 138#define PM_1M 0x001fe000
c52399be 139#define PM_2M 0x003fe000
1da177e4 140#define PM_4M 0x007fe000
c52399be 141#define PM_8M 0x00ffe000
1da177e4 142#define PM_16M 0x01ffe000
c52399be 143#define PM_32M 0x03ffe000
1da177e4
LT
144#define PM_64M 0x07ffe000
145#define PM_256M 0x1fffe000
542c1020 146#define PM_1G 0x7fffe000
1da177e4
LT
147
148#endif
149
150/*
151 * Default page size for a given kernel configuration
152 */
153#ifdef CONFIG_PAGE_SIZE_4KB
70342287 154#define PM_DEFAULT_MASK PM_4K
c52399be 155#elif defined(CONFIG_PAGE_SIZE_8KB)
70342287 156#define PM_DEFAULT_MASK PM_8K
1da177e4 157#elif defined(CONFIG_PAGE_SIZE_16KB)
70342287 158#define PM_DEFAULT_MASK PM_16K
c52399be 159#elif defined(CONFIG_PAGE_SIZE_32KB)
70342287 160#define PM_DEFAULT_MASK PM_32K
1da177e4 161#elif defined(CONFIG_PAGE_SIZE_64KB)
70342287 162#define PM_DEFAULT_MASK PM_64K
1da177e4
LT
163#else
164#error Bad page size configuration!
165#endif
166
dd794392
DD
167/*
168 * Default huge tlb size for a given kernel configuration
169 */
170#ifdef CONFIG_PAGE_SIZE_4KB
171#define PM_HUGE_MASK PM_1M
172#elif defined(CONFIG_PAGE_SIZE_8KB)
173#define PM_HUGE_MASK PM_4M
174#elif defined(CONFIG_PAGE_SIZE_16KB)
175#define PM_HUGE_MASK PM_16M
176#elif defined(CONFIG_PAGE_SIZE_32KB)
177#define PM_HUGE_MASK PM_64M
178#elif defined(CONFIG_PAGE_SIZE_64KB)
179#define PM_HUGE_MASK PM_256M
aa1762f4 180#elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
dd794392
DD
181#error Bad page size configuration for hugetlbfs!
182#endif
1da177e4
LT
183
184/*
185 * Values used for computation of new tlb entries
186 */
187#define PL_4K 12
188#define PL_16K 14
189#define PL_64K 16
190#define PL_256K 18
191#define PL_1M 20
192#define PL_4M 22
193#define PL_16M 24
194#define PL_64M 26
195#define PL_256M 28
196
9fe2e9d6
DD
197/*
198 * PageGrain bits
199 */
70342287
RB
200#define PG_RIE (_ULCAST_(1) << 31)
201#define PG_XIE (_ULCAST_(1) << 30)
202#define PG_ELPA (_ULCAST_(1) << 29)
203#define PG_ESP (_ULCAST_(1) << 28)
6575b1d4 204#define PG_IEC (_ULCAST_(1) << 27)
9fe2e9d6 205
1da177e4
LT
206/*
207 * R4x00 interrupt enable / cause bits
208 */
70342287
RB
209#define IE_SW0 (_ULCAST_(1) << 8)
210#define IE_SW1 (_ULCAST_(1) << 9)
211#define IE_IRQ0 (_ULCAST_(1) << 10)
212#define IE_IRQ1 (_ULCAST_(1) << 11)
213#define IE_IRQ2 (_ULCAST_(1) << 12)
214#define IE_IRQ3 (_ULCAST_(1) << 13)
215#define IE_IRQ4 (_ULCAST_(1) << 14)
216#define IE_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
217
218/*
219 * R4x00 interrupt cause bits
220 */
70342287
RB
221#define C_SW0 (_ULCAST_(1) << 8)
222#define C_SW1 (_ULCAST_(1) << 9)
223#define C_IRQ0 (_ULCAST_(1) << 10)
224#define C_IRQ1 (_ULCAST_(1) << 11)
225#define C_IRQ2 (_ULCAST_(1) << 12)
226#define C_IRQ3 (_ULCAST_(1) << 13)
227#define C_IRQ4 (_ULCAST_(1) << 14)
228#define C_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
229
230/*
231 * Bitfields in the R4xx0 cp0 status register
232 */
233#define ST0_IE 0x00000001
234#define ST0_EXL 0x00000002
235#define ST0_ERL 0x00000004
236#define ST0_KSU 0x00000018
237# define KSU_USER 0x00000010
238# define KSU_SUPERVISOR 0x00000008
239# define KSU_KERNEL 0x00000000
240#define ST0_UX 0x00000020
241#define ST0_SX 0x00000040
70342287 242#define ST0_KX 0x00000080
1da177e4
LT
243#define ST0_DE 0x00010000
244#define ST0_CE 0x00020000
245
246/*
247 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
248 * cacheops in userspace. This bit exists only on RM7000 and RM9000
249 * processors.
250 */
251#define ST0_CO 0x08000000
252
253/*
254 * Bitfields in the R[23]000 cp0 status register.
255 */
70342287 256#define ST0_IEC 0x00000001
1da177e4
LT
257#define ST0_KUC 0x00000002
258#define ST0_IEP 0x00000004
259#define ST0_KUP 0x00000008
260#define ST0_IEO 0x00000010
261#define ST0_KUO 0x00000020
262/* bits 6 & 7 are reserved on R[23]000 */
263#define ST0_ISC 0x00010000
264#define ST0_SWC 0x00020000
265#define ST0_CM 0x00080000
266
267/*
268 * Bits specific to the R4640/R4650
269 */
70342287 270#define ST0_UM (_ULCAST_(1) << 4)
1da177e4
LT
271#define ST0_IL (_ULCAST_(1) << 23)
272#define ST0_DL (_ULCAST_(1) << 24)
273
e50c0a8f 274/*
3301edcb 275 * Enable the MIPS MDMX and DSP ASEs
e50c0a8f
RB
276 */
277#define ST0_MX 0x01000000
278
1da177e4
LT
279/*
280 * Bitfields in the TX39 family CP0 Configuration Register 3
281 */
282#define TX39_CONF_ICS_SHIFT 19
283#define TX39_CONF_ICS_MASK 0x00380000
70342287
RB
284#define TX39_CONF_ICS_1KB 0x00000000
285#define TX39_CONF_ICS_2KB 0x00080000
286#define TX39_CONF_ICS_4KB 0x00100000
287#define TX39_CONF_ICS_8KB 0x00180000
288#define TX39_CONF_ICS_16KB 0x00200000
1da177e4
LT
289
290#define TX39_CONF_DCS_SHIFT 16
291#define TX39_CONF_DCS_MASK 0x00070000
70342287
RB
292#define TX39_CONF_DCS_1KB 0x00000000
293#define TX39_CONF_DCS_2KB 0x00010000
294#define TX39_CONF_DCS_4KB 0x00020000
295#define TX39_CONF_DCS_8KB 0x00030000
296#define TX39_CONF_DCS_16KB 0x00040000
297
298#define TX39_CONF_CWFON 0x00004000
299#define TX39_CONF_WBON 0x00002000
1da177e4
LT
300#define TX39_CONF_RF_SHIFT 10
301#define TX39_CONF_RF_MASK 0x00000c00
302#define TX39_CONF_DOZE 0x00000200
303#define TX39_CONF_HALT 0x00000100
304#define TX39_CONF_LOCK 0x00000080
305#define TX39_CONF_ICE 0x00000020
306#define TX39_CONF_DCE 0x00000010
307#define TX39_CONF_IRSIZE_SHIFT 2
308#define TX39_CONF_IRSIZE_MASK 0x0000000c
309#define TX39_CONF_DRSIZE_SHIFT 0
310#define TX39_CONF_DRSIZE_MASK 0x00000003
311
312/*
313 * Status register bits available in all MIPS CPUs.
314 */
315#define ST0_IM 0x0000ff00
70342287
RB
316#define STATUSB_IP0 8
317#define STATUSF_IP0 (_ULCAST_(1) << 8)
318#define STATUSB_IP1 9
319#define STATUSF_IP1 (_ULCAST_(1) << 9)
320#define STATUSB_IP2 10
321#define STATUSF_IP2 (_ULCAST_(1) << 10)
322#define STATUSB_IP3 11
323#define STATUSF_IP3 (_ULCAST_(1) << 11)
324#define STATUSB_IP4 12
325#define STATUSF_IP4 (_ULCAST_(1) << 12)
326#define STATUSB_IP5 13
327#define STATUSF_IP5 (_ULCAST_(1) << 13)
328#define STATUSB_IP6 14
329#define STATUSF_IP6 (_ULCAST_(1) << 14)
330#define STATUSB_IP7 15
331#define STATUSF_IP7 (_ULCAST_(1) << 15)
332#define STATUSB_IP8 0
333#define STATUSF_IP8 (_ULCAST_(1) << 0)
334#define STATUSB_IP9 1
335#define STATUSF_IP9 (_ULCAST_(1) << 1)
336#define STATUSB_IP10 2
337#define STATUSF_IP10 (_ULCAST_(1) << 2)
338#define STATUSB_IP11 3
339#define STATUSF_IP11 (_ULCAST_(1) << 3)
340#define STATUSB_IP12 4
341#define STATUSF_IP12 (_ULCAST_(1) << 4)
342#define STATUSB_IP13 5
343#define STATUSF_IP13 (_ULCAST_(1) << 5)
344#define STATUSB_IP14 6
345#define STATUSF_IP14 (_ULCAST_(1) << 6)
346#define STATUSB_IP15 7
347#define STATUSF_IP15 (_ULCAST_(1) << 7)
1da177e4 348#define ST0_CH 0x00040000
96ffa02d 349#define ST0_NMI 0x00080000
1da177e4
LT
350#define ST0_SR 0x00100000
351#define ST0_TS 0x00200000
352#define ST0_BEV 0x00400000
353#define ST0_RE 0x02000000
354#define ST0_FR 0x04000000
355#define ST0_CU 0xf0000000
356#define ST0_CU0 0x10000000
357#define ST0_CU1 0x20000000
358#define ST0_CU2 0x40000000
359#define ST0_CU3 0x80000000
360#define ST0_XX 0x80000000 /* MIPS IV naming */
361
010c108d
DV
362/*
363 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
010c108d 364 */
9323f84f
JH
365#define INTCTLB_IPFDC 23
366#define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
010c108d
DV
367#define INTCTLB_IPPCI 26
368#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
369#define INTCTLB_IPTI 29
370#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
371
1da177e4
LT
372/*
373 * Bitfields and bit numbers in the coprocessor 0 cause register.
374 *
375 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
376 */
70342287
RB
377#define CAUSEB_EXCCODE 2
378#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
379#define CAUSEB_IP 8
380#define CAUSEF_IP (_ULCAST_(255) << 8)
381#define CAUSEB_IP0 8
382#define CAUSEF_IP0 (_ULCAST_(1) << 8)
383#define CAUSEB_IP1 9
384#define CAUSEF_IP1 (_ULCAST_(1) << 9)
385#define CAUSEB_IP2 10
386#define CAUSEF_IP2 (_ULCAST_(1) << 10)
387#define CAUSEB_IP3 11
388#define CAUSEF_IP3 (_ULCAST_(1) << 11)
389#define CAUSEB_IP4 12
390#define CAUSEF_IP4 (_ULCAST_(1) << 12)
391#define CAUSEB_IP5 13
392#define CAUSEF_IP5 (_ULCAST_(1) << 13)
393#define CAUSEB_IP6 14
394#define CAUSEF_IP6 (_ULCAST_(1) << 14)
395#define CAUSEB_IP7 15
396#define CAUSEF_IP7 (_ULCAST_(1) << 15)
9323f84f
JH
397#define CAUSEB_FDCI 21
398#define CAUSEF_FDCI (_ULCAST_(1) << 21)
70342287
RB
399#define CAUSEB_IV 23
400#define CAUSEF_IV (_ULCAST_(1) << 23)
401#define CAUSEB_PCI 26
402#define CAUSEF_PCI (_ULCAST_(1) << 26)
403#define CAUSEB_CE 28
404#define CAUSEF_CE (_ULCAST_(3) << 28)
405#define CAUSEB_TI 30
406#define CAUSEF_TI (_ULCAST_(1) << 30)
407#define CAUSEB_BD 31
408#define CAUSEF_BD (_ULCAST_(1) << 31)
1da177e4
LT
409
410/*
411 * Bits in the coprocessor 0 config register.
412 */
413/* Generic bits. */
414#define CONF_CM_CACHABLE_NO_WA 0
415#define CONF_CM_CACHABLE_WA 1
416#define CONF_CM_UNCACHED 2
417#define CONF_CM_CACHABLE_NONCOHERENT 3
418#define CONF_CM_CACHABLE_CE 4
419#define CONF_CM_CACHABLE_COW 5
420#define CONF_CM_CACHABLE_CUW 6
421#define CONF_CM_CACHABLE_ACCELERATED 7
422#define CONF_CM_CMASK 7
423#define CONF_BE (_ULCAST_(1) << 15)
424
425/* Bits common to various processors. */
70342287
RB
426#define CONF_CU (_ULCAST_(1) << 3)
427#define CONF_DB (_ULCAST_(1) << 4)
428#define CONF_IB (_ULCAST_(1) << 5)
429#define CONF_DC (_ULCAST_(7) << 6)
430#define CONF_IC (_ULCAST_(7) << 9)
1da177e4
LT
431#define CONF_EB (_ULCAST_(1) << 13)
432#define CONF_EM (_ULCAST_(1) << 14)
433#define CONF_SM (_ULCAST_(1) << 16)
434#define CONF_SC (_ULCAST_(1) << 17)
435#define CONF_EW (_ULCAST_(3) << 18)
436#define CONF_EP (_ULCAST_(15)<< 24)
437#define CONF_EC (_ULCAST_(7) << 28)
438#define CONF_CM (_ULCAST_(1) << 31)
439
70342287 440/* Bits specific to the R4xx0. */
1da177e4
LT
441#define R4K_CONF_SW (_ULCAST_(1) << 20)
442#define R4K_CONF_SS (_ULCAST_(1) << 21)
e20368d5 443#define R4K_CONF_SB (_ULCAST_(3) << 22)
1da177e4 444
70342287 445/* Bits specific to the R5000. */
1da177e4
LT
446#define R5K_CONF_SE (_ULCAST_(1) << 12)
447#define R5K_CONF_SS (_ULCAST_(3) << 20)
448
70342287
RB
449/* Bits specific to the RM7000. */
450#define RM7K_CONF_SE (_ULCAST_(1) << 3)
c6ad7b7d
MR
451#define RM7K_CONF_TE (_ULCAST_(1) << 12)
452#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
453#define RM7K_CONF_TC (_ULCAST_(1) << 17)
454#define RM7K_CONF_SI (_ULCAST_(3) << 20)
455#define RM7K_CONF_SC (_ULCAST_(1) << 31)
ba5187db 456
70342287
RB
457/* Bits specific to the R10000. */
458#define R10K_CONF_DN (_ULCAST_(3) << 3)
459#define R10K_CONF_CT (_ULCAST_(1) << 5)
460#define R10K_CONF_PE (_ULCAST_(1) << 6)
461#define R10K_CONF_PM (_ULCAST_(3) << 7)
462#define R10K_CONF_EC (_ULCAST_(15)<< 9)
1da177e4
LT
463#define R10K_CONF_SB (_ULCAST_(1) << 13)
464#define R10K_CONF_SK (_ULCAST_(1) << 14)
465#define R10K_CONF_SS (_ULCAST_(7) << 16)
466#define R10K_CONF_SC (_ULCAST_(7) << 19)
467#define R10K_CONF_DC (_ULCAST_(7) << 26)
468#define R10K_CONF_IC (_ULCAST_(7) << 29)
469
70342287 470/* Bits specific to the VR41xx. */
1da177e4 471#define VR41_CONF_CS (_ULCAST_(1) << 12)
2874fe55 472#define VR41_CONF_P4K (_ULCAST_(1) << 13)
4e8ab361 473#define VR41_CONF_BP (_ULCAST_(1) << 16)
1da177e4
LT
474#define VR41_CONF_M16 (_ULCAST_(1) << 20)
475#define VR41_CONF_AD (_ULCAST_(1) << 23)
476
70342287 477/* Bits specific to the R30xx. */
1da177e4
LT
478#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
479#define R30XX_CONF_REV (_ULCAST_(1) << 22)
480#define R30XX_CONF_AC (_ULCAST_(1) << 23)
481#define R30XX_CONF_RF (_ULCAST_(1) << 24)
482#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
483#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
484#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
485#define R30XX_CONF_SB (_ULCAST_(1) << 30)
486#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
487
488/* Bits specific to the TX49. */
489#define TX49_CONF_DC (_ULCAST_(1) << 16)
490#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
491#define TX49_CONF_HALT (_ULCAST_(1) << 18)
492#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
493
70342287
RB
494/* Bits specific to the MIPS32/64 PRA. */
495#define MIPS_CONF_MT (_ULCAST_(7) << 7)
1da177e4
LT
496#define MIPS_CONF_AR (_ULCAST_(7) << 10)
497#define MIPS_CONF_AT (_ULCAST_(3) << 13)
498#define MIPS_CONF_M (_ULCAST_(1) << 31)
499
4194318c
RB
500/*
501 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
502 */
70342287
RB
503#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
504#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
505#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
506#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
507#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
508#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
509#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
510#define MIPS_CONF1_DA_SHF 7
511#define MIPS_CONF1_DA_SZ 3
70342287 512#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
513#define MIPS_CONF1_DL_SHF 10
514#define MIPS_CONF1_DL_SZ 3
4194318c 515#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
516#define MIPS_CONF1_DS_SHF 13
517#define MIPS_CONF1_DS_SZ 3
4194318c 518#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
519#define MIPS_CONF1_IA_SHF 16
520#define MIPS_CONF1_IA_SZ 3
4194318c 521#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
522#define MIPS_CONF1_IL_SHF 19
523#define MIPS_CONF1_IL_SZ 3
4194318c 524#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
525#define MIPS_CONF1_IS_SHF 22
526#define MIPS_CONF1_IS_SZ 3
4194318c 527#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
528#define MIPS_CONF1_TLBS_SHIFT (25)
529#define MIPS_CONF1_TLBS_SIZE (6)
530#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 531
70342287
RB
532#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
533#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
534#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
535#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
536#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
537#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
538#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
539#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
540
70342287
RB
541#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
542#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
543#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 544#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
545#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
546#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
547#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
548#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
549#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
550#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 551#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 552#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 553#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 554#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 555#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 556#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
557#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
558#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
559#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 560#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
561#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
562#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
563#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
564#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
565#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
566#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
567#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
568
569#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 570#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba 571#define MIPS_CONF4_FTLBSETS_SHIFT (0)
691038ba
LY
572#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
573#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
574#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
575#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
576/* bits 10:8 in FTLB-only configurations */
577#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
578/* bits 12:8 in VTLB-FTLB only configurations */
579#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
1b362e3e
DD
580#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
581#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
691038ba
LY
582#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
583#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
584#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16)
585#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
586#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
587#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
588#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
589#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
1b362e3e 590
2f9ee82c
RB
591#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
592#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
e19d5dba 593#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
5aed9da1 594#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
23d06e4f 595#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
5ff04a84
PB
596#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
597#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
598#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
599#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
600#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
601#define MIPS_CONF5_K (_ULCAST_(1) << 30)
602
006a851b 603#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
604/* proAptiv FTLB on/off bit */
605#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
cf0a8aa0
MC
606/* FTLB probability bits */
607#define MIPS_CONF6_FTLBP_SHIFT (16)
006a851b 608
4b3e975e
RB
609#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
610
9267a30d
MSJ
611#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
612
02dc6bfb
MC
613#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
614#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
615
e19d5dba
PB
616/* MAAR bit definitions */
617#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
618#define MIPS_MAAR_ADDR_SHIFT 12
619#define MIPS_MAAR_S (_ULCAST_(1) << 1)
620#define MIPS_MAAR_V (_ULCAST_(1) << 0)
621
691038ba
LY
622/* EntryHI bit definition */
623#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
9267a30d 624
4dd8ee5d
PB
625/* CMGCRBase bit definitions */
626#define MIPS_CMGCRB_BASE 11
627#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
628
4a0156fb
SH
629/*
630 * Bits in the MIPS32 Memory Segmentation registers.
631 */
632#define MIPS_SEGCFG_PA_SHIFT 9
633#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
634#define MIPS_SEGCFG_AM_SHIFT 4
635#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
636#define MIPS_SEGCFG_EU_SHIFT 3
637#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
638#define MIPS_SEGCFG_C_SHIFT 0
639#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
640
641#define MIPS_SEGCFG_UUSK _ULCAST_(7)
642#define MIPS_SEGCFG_USK _ULCAST_(5)
643#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
644#define MIPS_SEGCFG_MUSK _ULCAST_(3)
645#define MIPS_SEGCFG_MSK _ULCAST_(2)
646#define MIPS_SEGCFG_MK _ULCAST_(1)
647#define MIPS_SEGCFG_UK _ULCAST_(0)
648
87d08bc9
MC
649#define MIPS_PWFIELD_GDI_SHIFT 24
650#define MIPS_PWFIELD_GDI_MASK 0x3f000000
651#define MIPS_PWFIELD_UDI_SHIFT 18
652#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
653#define MIPS_PWFIELD_MDI_SHIFT 12
654#define MIPS_PWFIELD_MDI_MASK 0x0003f000
655#define MIPS_PWFIELD_PTI_SHIFT 6
656#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
657#define MIPS_PWFIELD_PTEI_SHIFT 0
658#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
659
660#define MIPS_PWSIZE_GDW_SHIFT 24
661#define MIPS_PWSIZE_GDW_MASK 0x3f000000
662#define MIPS_PWSIZE_UDW_SHIFT 18
663#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
664#define MIPS_PWSIZE_MDW_SHIFT 12
665#define MIPS_PWSIZE_MDW_MASK 0x0003f000
666#define MIPS_PWSIZE_PTW_SHIFT 6
667#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
668#define MIPS_PWSIZE_PTEW_SHIFT 0
669#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
670
671#define MIPS_PWCTL_PWEN_SHIFT 31
672#define MIPS_PWCTL_PWEN_MASK 0x80000000
673#define MIPS_PWCTL_DPH_SHIFT 7
674#define MIPS_PWCTL_DPH_MASK 0x00000080
675#define MIPS_PWCTL_HUGEPG_SHIFT 6
676#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
677#define MIPS_PWCTL_PSN_SHIFT 0
678#define MIPS_PWCTL_PSN_MASK 0x0000003f
679
9b3274bd
JH
680/* CDMMBase register bit definitions */
681#define MIPS_CDMMBASE_SIZE_SHIFT 0
682#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
683#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
684#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
685#define MIPS_CDMMBASE_ADDR_SHIFT 11
686#define MIPS_CDMMBASE_ADDR_START 15
687
fda51906
MR
688
689/*
690 * Coprocessor 1 (FPU) register names
691 */
692#define CP1_REVISION $0
693#define CP1_STATUS $31
694
695
696/*
697 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
698 */
699#define MIPS_FPIR_S (_ULCAST_(1) << 16)
700#define MIPS_FPIR_D (_ULCAST_(1) << 17)
701#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
702#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
703#define MIPS_FPIR_W (_ULCAST_(1) << 20)
704#define MIPS_FPIR_L (_ULCAST_(1) << 21)
705#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
706#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
707
708/*
709 * FPU Status Register Values
710 */
711#define FPU_CSR_FLUSH 0x01000000 /* flush denormalised results to 0 */
712#define FPU_CSR_COND 0x00800000 /* $fcc0 */
713#define FPU_CSR_COND0 0x00800000 /* $fcc0 */
714#define FPU_CSR_COND1 0x02000000 /* $fcc1 */
715#define FPU_CSR_COND2 0x04000000 /* $fcc2 */
716#define FPU_CSR_COND3 0x08000000 /* $fcc3 */
717#define FPU_CSR_COND4 0x10000000 /* $fcc4 */
718#define FPU_CSR_COND5 0x20000000 /* $fcc5 */
719#define FPU_CSR_COND6 0x40000000 /* $fcc6 */
720#define FPU_CSR_COND7 0x80000000 /* $fcc7 */
721
722/*
723 * Bits 18 - 20 of the FPU Status Register will be read as 0,
724 * and should be written as zero.
725 */
726#define FPU_CSR_RSVD 0x001c0000
727
728/*
729 * X the exception cause indicator
730 * E the exception enable
731 * S the sticky/flag bit
732*/
733#define FPU_CSR_ALL_X 0x0003f000
734#define FPU_CSR_UNI_X 0x00020000
735#define FPU_CSR_INV_X 0x00010000
736#define FPU_CSR_DIV_X 0x00008000
737#define FPU_CSR_OVF_X 0x00004000
738#define FPU_CSR_UDF_X 0x00002000
739#define FPU_CSR_INE_X 0x00001000
740
741#define FPU_CSR_ALL_E 0x00000f80
742#define FPU_CSR_INV_E 0x00000800
743#define FPU_CSR_DIV_E 0x00000400
744#define FPU_CSR_OVF_E 0x00000200
745#define FPU_CSR_UDF_E 0x00000100
746#define FPU_CSR_INE_E 0x00000080
747
748#define FPU_CSR_ALL_S 0x0000007c
749#define FPU_CSR_INV_S 0x00000040
750#define FPU_CSR_DIV_S 0x00000020
751#define FPU_CSR_OVF_S 0x00000010
752#define FPU_CSR_UDF_S 0x00000008
753#define FPU_CSR_INE_S 0x00000004
754
755/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
756#define FPU_CSR_RM 0x00000003
757#define FPU_CSR_RN 0x0 /* nearest */
758#define FPU_CSR_RZ 0x1 /* towards zero */
759#define FPU_CSR_RU 0x2 /* towards +Infinity */
760#define FPU_CSR_RD 0x3 /* towards -Infinity */
761
762
1da177e4
LT
763#ifndef __ASSEMBLY__
764
bfd08baa 765/*
377cb1b6 766 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 767 */
377cb1b6
RB
768#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
769 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
770#define get_isa16_mode(x) ((x) & 0x1)
771#define msk_isa16_mode(x) ((x) & ~0x1)
772#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
773#else
774#define get_isa16_mode(x) 0
775#define msk_isa16_mode(x) (x)
776#define set_isa16_mode(x) do { } while(0)
777#endif
bfd08baa
SH
778
779/*
780 * microMIPS instructions can be 16-bit or 32-bit in length. This
781 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
782 */
783static inline int mm_insn_16bit(u16 insn)
784{
785 u16 opcode = (insn >> 10) & 0x7;
786
787 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
788}
789
198bb4ce
LY
790/*
791 * TLB Invalidate Flush
792 */
793static inline void tlbinvf(void)
794{
795 __asm__ __volatile__(
796 ".set push\n\t"
797 ".set noreorder\n\t"
798 ".word 0x42000004\n\t" /* tlbinvf */
799 ".set pop");
800}
801
802
1da177e4 803/*
70342287 804 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
805 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
806 * performance counter number encoded into bits 1 ... 5 of the instruction.
807 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
808 * disassembler these will look like an access to sel 0 or 1.
809 */
810#define read_r10k_perf_cntr(counter) \
811({ \
812 unsigned int __res; \
813 __asm__ __volatile__( \
814 "mfpc\t%0, %1" \
70342287 815 : "=r" (__res) \
1da177e4
LT
816 : "i" (counter)); \
817 \
70342287 818 __res; \
1da177e4
LT
819})
820
70342287 821#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
822do { \
823 __asm__ __volatile__( \
824 "mtpc\t%0, %1" \
825 : \
826 : "r" (val), "i" (counter)); \
827} while (0)
828
829#define read_r10k_perf_event(counter) \
830({ \
831 unsigned int __res; \
832 __asm__ __volatile__( \
833 "mfps\t%0, %1" \
70342287 834 : "=r" (__res) \
1da177e4
LT
835 : "i" (counter)); \
836 \
70342287 837 __res; \
1da177e4
LT
838})
839
70342287 840#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
841do { \
842 __asm__ __volatile__( \
843 "mtps\t%0, %1" \
844 : \
845 : "r" (val), "i" (counter)); \
846} while (0)
847
848
849/*
850 * Macros to access the system control coprocessor
851 */
852
853#define __read_32bit_c0_register(source, sel) \
854({ int __res; \
855 if (sel == 0) \
856 __asm__ __volatile__( \
857 "mfc0\t%0, " #source "\n\t" \
858 : "=r" (__res)); \
859 else \
860 __asm__ __volatile__( \
861 ".set\tmips32\n\t" \
862 "mfc0\t%0, " #source ", " #sel "\n\t" \
863 ".set\tmips0\n\t" \
864 : "=r" (__res)); \
865 __res; \
866})
867
868#define __read_64bit_c0_register(source, sel) \
869({ unsigned long long __res; \
870 if (sizeof(unsigned long) == 4) \
871 __res = __read_64bit_c0_split(source, sel); \
872 else if (sel == 0) \
873 __asm__ __volatile__( \
874 ".set\tmips3\n\t" \
875 "dmfc0\t%0, " #source "\n\t" \
876 ".set\tmips0" \
877 : "=r" (__res)); \
878 else \
879 __asm__ __volatile__( \
880 ".set\tmips64\n\t" \
881 "dmfc0\t%0, " #source ", " #sel "\n\t" \
882 ".set\tmips0" \
883 : "=r" (__res)); \
884 __res; \
885})
886
887#define __write_32bit_c0_register(register, sel, value) \
888do { \
889 if (sel == 0) \
890 __asm__ __volatile__( \
891 "mtc0\t%z0, " #register "\n\t" \
0952e290 892 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
893 else \
894 __asm__ __volatile__( \
895 ".set\tmips32\n\t" \
896 "mtc0\t%z0, " #register ", " #sel "\n\t" \
897 ".set\tmips0" \
0952e290 898 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
899} while (0)
900
901#define __write_64bit_c0_register(register, sel, value) \
902do { \
903 if (sizeof(unsigned long) == 4) \
904 __write_64bit_c0_split(register, sel, value); \
905 else if (sel == 0) \
906 __asm__ __volatile__( \
907 ".set\tmips3\n\t" \
908 "dmtc0\t%z0, " #register "\n\t" \
909 ".set\tmips0" \
910 : : "Jr" (value)); \
911 else \
912 __asm__ __volatile__( \
913 ".set\tmips64\n\t" \
914 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
915 ".set\tmips0" \
916 : : "Jr" (value)); \
917} while (0)
918
919#define __read_ulong_c0_register(reg, sel) \
920 ((sizeof(unsigned long) == 4) ? \
921 (unsigned long) __read_32bit_c0_register(reg, sel) : \
922 (unsigned long) __read_64bit_c0_register(reg, sel))
923
924#define __write_ulong_c0_register(reg, sel, val) \
925do { \
926 if (sizeof(unsigned long) == 4) \
927 __write_32bit_c0_register(reg, sel, val); \
928 else \
929 __write_64bit_c0_register(reg, sel, val); \
930} while (0)
931
932/*
933 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
934 */
935#define __read_32bit_c0_ctrl_register(source) \
936({ int __res; \
937 __asm__ __volatile__( \
938 "cfc0\t%0, " #source "\n\t" \
939 : "=r" (__res)); \
940 __res; \
941})
942
943#define __write_32bit_c0_ctrl_register(register, value) \
944do { \
945 __asm__ __volatile__( \
946 "ctc0\t%z0, " #register "\n\t" \
0952e290 947 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
948} while (0)
949
950/*
951 * These versions are only needed for systems with more than 38 bits of
952 * physical address space running the 32-bit kernel. That's none atm :-)
953 */
954#define __read_64bit_c0_split(source, sel) \
955({ \
87d43dd4
AN
956 unsigned long long __val; \
957 unsigned long __flags; \
1da177e4 958 \
87d43dd4 959 local_irq_save(__flags); \
1da177e4
LT
960 if (sel == 0) \
961 __asm__ __volatile__( \
962 ".set\tmips64\n\t" \
963 "dmfc0\t%M0, " #source "\n\t" \
964 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
965 "dsra\t%M0, %M0, 32\n\t" \
966 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 967 ".set\tmips0" \
87d43dd4 968 : "=r" (__val)); \
1da177e4
LT
969 else \
970 __asm__ __volatile__( \
971 ".set\tmips64\n\t" \
972 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
973 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
974 "dsra\t%M0, %M0, 32\n\t" \
975 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 976 ".set\tmips0" \
87d43dd4
AN
977 : "=r" (__val)); \
978 local_irq_restore(__flags); \
1da177e4 979 \
87d43dd4 980 __val; \
1da177e4
LT
981})
982
983#define __write_64bit_c0_split(source, sel, val) \
984do { \
87d43dd4 985 unsigned long __flags; \
1da177e4 986 \
87d43dd4 987 local_irq_save(__flags); \
1da177e4
LT
988 if (sel == 0) \
989 __asm__ __volatile__( \
990 ".set\tmips64\n\t" \
991 "dsll\t%L0, %L0, 32\n\t" \
992 "dsrl\t%L0, %L0, 32\n\t" \
993 "dsll\t%M0, %M0, 32\n\t" \
994 "or\t%L0, %L0, %M0\n\t" \
995 "dmtc0\t%L0, " #source "\n\t" \
996 ".set\tmips0" \
997 : : "r" (val)); \
998 else \
999 __asm__ __volatile__( \
1000 ".set\tmips64\n\t" \
1001 "dsll\t%L0, %L0, 32\n\t" \
1002 "dsrl\t%L0, %L0, 32\n\t" \
1003 "dsll\t%M0, %M0, 32\n\t" \
1004 "or\t%L0, %L0, %M0\n\t" \
1005 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1006 ".set\tmips0" \
1007 : : "r" (val)); \
87d43dd4 1008 local_irq_restore(__flags); \
1da177e4
LT
1009} while (0)
1010
23d06e4f
SH
1011#define __readx_32bit_c0_register(source) \
1012({ \
1013 unsigned int __res; \
1014 \
1015 __asm__ __volatile__( \
1016 " .set push \n" \
1017 " .set noat \n" \
1018 " .set mips32r2 \n" \
1019 " .insn \n" \
1020 " # mfhc0 $1, %1 \n" \
1021 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
1022 " move %0, $1 \n" \
1023 " .set pop \n" \
1024 : "=r" (__res) \
1025 : "i" (source)); \
1026 __res; \
1027})
1028
1029#define __writex_32bit_c0_register(register, value) \
1030do { \
1031 __asm__ __volatile__( \
1032 " .set push \n" \
1033 " .set noat \n" \
1034 " .set mips32r2 \n" \
1035 " move $1, %0 \n" \
1036 " # mthc0 $1, %1 \n" \
1037 " .insn \n" \
1038 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
1039 " .set pop \n" \
1040 : \
1041 : "r" (value), "i" (register)); \
1042} while (0)
1043
1da177e4
LT
1044#define read_c0_index() __read_32bit_c0_register($0, 0)
1045#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1046
272bace7
RB
1047#define read_c0_random() __read_32bit_c0_register($1, 0)
1048#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1049
1da177e4
LT
1050#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1051#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1052
23d06e4f
SH
1053#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1054#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1055
1da177e4
LT
1056#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1057#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1058
23d06e4f
SH
1059#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1060#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1061
1da177e4
LT
1062#define read_c0_conf() __read_32bit_c0_register($3, 0)
1063#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1064
1065#define read_c0_context() __read_ulong_c0_register($4, 0)
1066#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1067
a3692020 1068#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1069#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1070
1da177e4
LT
1071#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1072#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1073
9fe2e9d6 1074#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1075#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1076
1da177e4
LT
1077#define read_c0_wired() __read_32bit_c0_register($6, 0)
1078#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1079
1080#define read_c0_info() __read_32bit_c0_register($7, 0)
1081
70342287 1082#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1083#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1084
15c4f67a
RB
1085#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1086#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1087
1da177e4
LT
1088#define read_c0_count() __read_32bit_c0_register($9, 0)
1089#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1090
bdf21b18
PP
1091#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1092#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1093
1094#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1095#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1096
1da177e4
LT
1097#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1098#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1099
1100#define read_c0_compare() __read_32bit_c0_register($11, 0)
1101#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1102
bdf21b18
PP
1103#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1104#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1105
1106#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1107#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1108
1da177e4 1109#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1110
1da177e4
LT
1111#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1112
1113#define read_c0_cause() __read_32bit_c0_register($13, 0)
1114#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1115
1116#define read_c0_epc() __read_ulong_c0_register($14, 0)
1117#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1118
1119#define read_c0_prid() __read_32bit_c0_register($15, 0)
1120
4dd8ee5d
PB
1121#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1122
1da177e4
LT
1123#define read_c0_config() __read_32bit_c0_register($16, 0)
1124#define read_c0_config1() __read_32bit_c0_register($16, 1)
1125#define read_c0_config2() __read_32bit_c0_register($16, 2)
1126#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1127#define read_c0_config4() __read_32bit_c0_register($16, 4)
1128#define read_c0_config5() __read_32bit_c0_register($16, 5)
1129#define read_c0_config6() __read_32bit_c0_register($16, 6)
1130#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1131#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1132#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1133#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1134#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1135#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1136#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1137#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1138#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1139
b55b9e27
MC
1140#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1141#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1142#define read_c0_maar() __read_ulong_c0_register($17, 1)
1143#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1144#define read_c0_maari() __read_32bit_c0_register($17, 2)
1145#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1146
1da177e4 1147/*
25985edc 1148 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1149 */
1150#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1151#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1152#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1153#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1154#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1155#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1156#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1157#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1158#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1159#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1160#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1161#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1162#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1163#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1164#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1165#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1166
1167/*
25985edc 1168 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1169 */
1170#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1171#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1172#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1173#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1174#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1175#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1176#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1177#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1178
1179#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1180#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1181#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1182#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1183#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1184#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1185#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1186#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1187
1188#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1189#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1190
1191#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1192#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1193
1194#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1195#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1196
1da177e4
LT
1197#define read_c0_diag() __read_32bit_c0_register($22, 0)
1198#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1199
1200#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1201#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1202
1203#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1204#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1205
1206#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1207#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1208
1209#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1210#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1211
1212#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1213#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1214
1215#define read_c0_debug() __read_32bit_c0_register($23, 0)
1216#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1217
1218#define read_c0_depc() __read_ulong_c0_register($24, 0)
1219#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1220
1221/*
1222 * MIPS32 / MIPS64 performance counters
1223 */
1224#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1225#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1226#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1227#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1228#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1229#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1230#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1231#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1232#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1233#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1234#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1235#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1236#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1237#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1238#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1239#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1240#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1241#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1242#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1243#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1244#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1245#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1246#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1247#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1248
1da177e4
LT
1249#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1250#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1251
1252#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1253#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1254
1255#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1256
1257#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1258#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1259
1260#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1261#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1262
41c594ab
RB
1263#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1264#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1265
af231172
KC
1266#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1267#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1268
1269#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1270#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1271
1da177e4
LT
1272#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1273#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1274
1275#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1276#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1277
7a0fc58c 1278/* MIPSR2 */
21a151d8 1279#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1280#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1281
1282#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1283#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1284
1285#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1286#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1287
1288#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1289#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1290
21a151d8 1291#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1292#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1293
9b3274bd
JH
1294#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1295#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1296
4a0156fb
SH
1297/* MIPSR3 */
1298#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1299#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1300
1301#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1302#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1303
1304#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1305#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1306
87d08bc9
MC
1307/* Hardware Page Table Walker */
1308#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1309#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1310
1311#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1312#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1313
1314#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1315#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1316
1317#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1318#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1319
ed918c2d
DD
1320/* Cavium OCTEON (cnMIPS) */
1321#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1322#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1323
1324#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1325#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1326
1327#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1328#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1329/*
70342287 1330 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1331 * 64 bits wide.
1332 */
1333#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1334#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1335
1336#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1337#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1338
af231172
KC
1339/* BMIPS3300 */
1340#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1341#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1342
1343#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1344#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1345
1346#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1347#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1348
020232f1 1349/* BMIPS43xx */
af231172
KC
1350#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1351#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1352
1353#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1354#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1355
1356#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1357#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1358
1359#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1360#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1361
1362#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1363#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1364
1365/* BMIPS5000 */
1366#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1367#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1368
1369#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1370#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1371
1372#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1373#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1374
1375#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1376#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1377
1378#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1379#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1380
1381#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1382#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1383
1da177e4
LT
1384/*
1385 * Macros to access the floating point coprocessor control registers
1386 */
842dfc11 1387#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310
SH
1388({ \
1389 int __res; \
1390 \
1391 __asm__ __volatile__( \
1392 " .set push \n" \
1393 " .set reorder \n" \
1394 " # gas fails to assemble cfc1 for some archs, \n" \
1395 " # like Octeon. \n" \
1396 " .set mips1 \n" \
842dfc11 1397 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1398 " cfc1 %0,"STR(source)" \n" \
1399 " .set pop \n" \
1400 : "=r" (__res)); \
1401 __res; \
1402})
1da177e4 1403
5e32033e
JH
1404#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
1405do { \
1406 __asm__ __volatile__( \
1407 " .set push \n" \
1408 " .set reorder \n" \
1409 " "STR(gas_hardfloat)" \n" \
1410 " ctc1 %0,"STR(dest)" \n" \
1411 " .set pop \n" \
1412 : : "r" (val)); \
1413} while (0)
1414
842dfc11
ML
1415#ifdef GAS_HAS_SET_HARDFLOAT
1416#define read_32bit_cp1_register(source) \
1417 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
1418#define write_32bit_cp1_register(dest, val) \
1419 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
1420#else
1421#define read_32bit_cp1_register(source) \
1422 _read_32bit_cp1_register(source, )
5e32033e
JH
1423#define write_32bit_cp1_register(dest, val) \
1424 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
1425#endif
1426
32a7ede6 1427#ifdef HAVE_AS_DSP
e50c0a8f
RB
1428#define rddsp(mask) \
1429({ \
32a7ede6 1430 unsigned int __dspctl; \
e50c0a8f
RB
1431 \
1432 __asm__ __volatile__( \
63c2b681
FF
1433 " .set push \n" \
1434 " .set dsp \n" \
32a7ede6 1435 " rddsp %0, %x1 \n" \
63c2b681 1436 " .set pop \n" \
32a7ede6 1437 : "=r" (__dspctl) \
e50c0a8f 1438 : "i" (mask)); \
32a7ede6 1439 __dspctl; \
e50c0a8f
RB
1440})
1441
1442#define wrdsp(val, mask) \
1443do { \
e50c0a8f 1444 __asm__ __volatile__( \
63c2b681
FF
1445 " .set push \n" \
1446 " .set dsp \n" \
32a7ede6 1447 " wrdsp %0, %x1 \n" \
63c2b681 1448 " .set pop \n" \
70342287 1449 : \
e50c0a8f 1450 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1451} while (0)
1452
63c2b681
FF
1453#define mflo0() \
1454({ \
1455 long mflo0; \
1456 __asm__( \
1457 " .set push \n" \
1458 " .set dsp \n" \
1459 " mflo %0, $ac0 \n" \
1460 " .set pop \n" \
1461 : "=r" (mflo0)); \
1462 mflo0; \
1463})
1464
1465#define mflo1() \
1466({ \
1467 long mflo1; \
1468 __asm__( \
1469 " .set push \n" \
1470 " .set dsp \n" \
1471 " mflo %0, $ac1 \n" \
1472 " .set pop \n" \
1473 : "=r" (mflo1)); \
1474 mflo1; \
1475})
1476
1477#define mflo2() \
1478({ \
1479 long mflo2; \
1480 __asm__( \
1481 " .set push \n" \
1482 " .set dsp \n" \
1483 " mflo %0, $ac2 \n" \
1484 " .set pop \n" \
1485 : "=r" (mflo2)); \
1486 mflo2; \
1487})
1488
1489#define mflo3() \
1490({ \
1491 long mflo3; \
1492 __asm__( \
1493 " .set push \n" \
1494 " .set dsp \n" \
1495 " mflo %0, $ac3 \n" \
1496 " .set pop \n" \
1497 : "=r" (mflo3)); \
1498 mflo3; \
1499})
1500
1501#define mfhi0() \
1502({ \
1503 long mfhi0; \
1504 __asm__( \
1505 " .set push \n" \
1506 " .set dsp \n" \
1507 " mfhi %0, $ac0 \n" \
1508 " .set pop \n" \
1509 : "=r" (mfhi0)); \
1510 mfhi0; \
1511})
1512
1513#define mfhi1() \
1514({ \
1515 long mfhi1; \
1516 __asm__( \
1517 " .set push \n" \
1518 " .set dsp \n" \
1519 " mfhi %0, $ac1 \n" \
1520 " .set pop \n" \
1521 : "=r" (mfhi1)); \
1522 mfhi1; \
1523})
1524
1525#define mfhi2() \
1526({ \
1527 long mfhi2; \
1528 __asm__( \
1529 " .set push \n" \
1530 " .set dsp \n" \
1531 " mfhi %0, $ac2 \n" \
1532 " .set pop \n" \
1533 : "=r" (mfhi2)); \
1534 mfhi2; \
1535})
1536
1537#define mfhi3() \
1538({ \
1539 long mfhi3; \
1540 __asm__( \
1541 " .set push \n" \
1542 " .set dsp \n" \
1543 " mfhi %0, $ac3 \n" \
1544 " .set pop \n" \
1545 : "=r" (mfhi3)); \
1546 mfhi3; \
1547})
1548
1549
1550#define mtlo0(x) \
1551({ \
1552 __asm__( \
1553 " .set push \n" \
1554 " .set dsp \n" \
1555 " mtlo %0, $ac0 \n" \
1556 " .set pop \n" \
1557 : \
1558 : "r" (x)); \
1559})
1560
1561#define mtlo1(x) \
1562({ \
1563 __asm__( \
1564 " .set push \n" \
1565 " .set dsp \n" \
1566 " mtlo %0, $ac1 \n" \
1567 " .set pop \n" \
1568 : \
1569 : "r" (x)); \
1570})
1571
1572#define mtlo2(x) \
1573({ \
1574 __asm__( \
1575 " .set push \n" \
1576 " .set dsp \n" \
1577 " mtlo %0, $ac2 \n" \
1578 " .set pop \n" \
1579 : \
1580 : "r" (x)); \
1581})
1582
1583#define mtlo3(x) \
1584({ \
1585 __asm__( \
1586 " .set push \n" \
1587 " .set dsp \n" \
1588 " mtlo %0, $ac3 \n" \
1589 " .set pop \n" \
1590 : \
1591 : "r" (x)); \
1592})
1593
1594#define mthi0(x) \
1595({ \
1596 __asm__( \
1597 " .set push \n" \
1598 " .set dsp \n" \
1599 " mthi %0, $ac0 \n" \
1600 " .set pop \n" \
1601 : \
1602 : "r" (x)); \
1603})
1604
1605#define mthi1(x) \
1606({ \
1607 __asm__( \
1608 " .set push \n" \
1609 " .set dsp \n" \
1610 " mthi %0, $ac1 \n" \
1611 " .set pop \n" \
1612 : \
1613 : "r" (x)); \
1614})
1615
1616#define mthi2(x) \
1617({ \
1618 __asm__( \
1619 " .set push \n" \
1620 " .set dsp \n" \
1621 " mthi %0, $ac2 \n" \
1622 " .set pop \n" \
1623 : \
1624 : "r" (x)); \
1625})
1626
1627#define mthi3(x) \
1628({ \
1629 __asm__( \
1630 " .set push \n" \
1631 " .set dsp \n" \
1632 " mthi %0, $ac3 \n" \
1633 " .set pop \n" \
1634 : \
1635 : "r" (x)); \
1636})
e50c0a8f
RB
1637
1638#else
1639
d0c1b478
SH
1640#ifdef CONFIG_CPU_MICROMIPS
1641#define rddsp(mask) \
e50c0a8f 1642({ \
d0c1b478 1643 unsigned int __res; \
e50c0a8f
RB
1644 \
1645 __asm__ __volatile__( \
e50c0a8f
RB
1646 " .set push \n" \
1647 " .set noat \n" \
d0c1b478
SH
1648 " # rddsp $1, %x1 \n" \
1649 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1650 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1651 " move %0, $1 \n" \
e50c0a8f 1652 " .set pop \n" \
d0c1b478
SH
1653 : "=r" (__res) \
1654 : "i" (mask)); \
1655 __res; \
1656})
e50c0a8f 1657
d0c1b478 1658#define wrdsp(val, mask) \
e50c0a8f
RB
1659do { \
1660 __asm__ __volatile__( \
1661 " .set push \n" \
1662 " .set noat \n" \
1663 " move $1, %0 \n" \
d0c1b478
SH
1664 " # wrdsp $1, %x1 \n" \
1665 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1666 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1667 " .set pop \n" \
1668 : \
d0c1b478 1669 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1670} while (0)
1671
d0c1b478
SH
1672#define _umips_dsp_mfxxx(ins) \
1673({ \
1674 unsigned long __treg; \
1675 \
e50c0a8f
RB
1676 __asm__ __volatile__( \
1677 " .set push \n" \
1678 " .set noat \n" \
d0c1b478
SH
1679 " .hword 0x0001 \n" \
1680 " .hword %x1 \n" \
1681 " move %0, $1 \n" \
e50c0a8f 1682 " .set pop \n" \
d0c1b478
SH
1683 : "=r" (__treg) \
1684 : "i" (ins)); \
1685 __treg; \
1686})
e50c0a8f 1687
d0c1b478 1688#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1689do { \
1690 __asm__ __volatile__( \
1691 " .set push \n" \
1692 " .set noat \n" \
1693 " move $1, %0 \n" \
d0c1b478
SH
1694 " .hword 0x0001 \n" \
1695 " .hword %x1 \n" \
e50c0a8f
RB
1696 " .set pop \n" \
1697 : \
d0c1b478 1698 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1699} while (0)
1700
d0c1b478
SH
1701#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1702#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1703
1704#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1705#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1706
1707#define mflo0() _umips_dsp_mflo(0)
1708#define mflo1() _umips_dsp_mflo(1)
1709#define mflo2() _umips_dsp_mflo(2)
1710#define mflo3() _umips_dsp_mflo(3)
1711
1712#define mfhi0() _umips_dsp_mfhi(0)
1713#define mfhi1() _umips_dsp_mfhi(1)
1714#define mfhi2() _umips_dsp_mfhi(2)
1715#define mfhi3() _umips_dsp_mfhi(3)
1716
1717#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1718#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1719#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1720#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1721
1722#define mthi0(x) _umips_dsp_mthi(x, 0)
1723#define mthi1(x) _umips_dsp_mthi(x, 1)
1724#define mthi2(x) _umips_dsp_mthi(x, 2)
1725#define mthi3(x) _umips_dsp_mthi(x, 3)
1726
1727#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1728#define rddsp(mask) \
1729({ \
1730 unsigned int __res; \
1731 \
e50c0a8f 1732 __asm__ __volatile__( \
32a7ede6
SH
1733 " .set push \n" \
1734 " .set noat \n" \
1735 " # rddsp $1, %x1 \n" \
1736 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1737 " move %0, $1 \n" \
1738 " .set pop \n" \
1739 : "=r" (__res) \
1740 : "i" (mask)); \
1741 __res; \
1742})
e50c0a8f 1743
32a7ede6 1744#define wrdsp(val, mask) \
e50c0a8f
RB
1745do { \
1746 __asm__ __volatile__( \
1747 " .set push \n" \
1748 " .set noat \n" \
1749 " move $1, %0 \n" \
32a7ede6
SH
1750 " # wrdsp $1, %x1 \n" \
1751 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1752 " .set pop \n" \
32a7ede6
SH
1753 : \
1754 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1755} while (0)
1756
4cb764b4 1757#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1758({ \
1759 unsigned long __treg; \
1760 \
e50c0a8f
RB
1761 __asm__ __volatile__( \
1762 " .set push \n" \
1763 " .set noat \n" \
4cb764b4
SH
1764 " .word (0x00000810 | %1) \n" \
1765 " move %0, $1 \n" \
e50c0a8f 1766 " .set pop \n" \
4cb764b4
SH
1767 : "=r" (__treg) \
1768 : "i" (ins)); \
1769 __treg; \
1770})
e50c0a8f 1771
4cb764b4 1772#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1773do { \
1774 __asm__ __volatile__( \
1775 " .set push \n" \
1776 " .set noat \n" \
1777 " move $1, %0 \n" \
4cb764b4 1778 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1779 " .set pop \n" \
1780 : \
4cb764b4 1781 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1782} while (0)
1783
4cb764b4
SH
1784#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1785#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1786
4cb764b4
SH
1787#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1788#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1789
4cb764b4
SH
1790#define mflo0() _dsp_mflo(0)
1791#define mflo1() _dsp_mflo(1)
1792#define mflo2() _dsp_mflo(2)
1793#define mflo3() _dsp_mflo(3)
e50c0a8f 1794
4cb764b4
SH
1795#define mfhi0() _dsp_mfhi(0)
1796#define mfhi1() _dsp_mfhi(1)
1797#define mfhi2() _dsp_mfhi(2)
1798#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1799
4cb764b4
SH
1800#define mtlo0(x) _dsp_mtlo(x, 0)
1801#define mtlo1(x) _dsp_mtlo(x, 1)
1802#define mtlo2(x) _dsp_mtlo(x, 2)
1803#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1804
4cb764b4
SH
1805#define mthi0(x) _dsp_mthi(x, 0)
1806#define mthi1(x) _dsp_mthi(x, 1)
1807#define mthi2(x) _dsp_mthi(x, 2)
1808#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1809
d0c1b478 1810#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1811#endif
1812
1da177e4
LT
1813/*
1814 * TLB operations.
1815 *
1816 * It is responsibility of the caller to take care of any TLB hazards.
1817 */
1818static inline void tlb_probe(void)
1819{
1820 __asm__ __volatile__(
1821 ".set noreorder\n\t"
1822 "tlbp\n\t"
1823 ".set reorder");
1824}
1825
1826static inline void tlb_read(void)
1827{
9267a30d
MSJ
1828#if MIPS34K_MISSED_ITLB_WAR
1829 int res = 0;
1830
1831 __asm__ __volatile__(
1832 " .set push \n"
1833 " .set noreorder \n"
1834 " .set noat \n"
1835 " .set mips32r2 \n"
1836 " .word 0x41610001 # dvpe $1 \n"
1837 " move %0, $1 \n"
1838 " ehb \n"
1839 " .set pop \n"
1840 : "=r" (res));
1841
1842 instruction_hazard();
1843#endif
1844
1da177e4
LT
1845 __asm__ __volatile__(
1846 ".set noreorder\n\t"
1847 "tlbr\n\t"
1848 ".set reorder");
9267a30d
MSJ
1849
1850#if MIPS34K_MISSED_ITLB_WAR
1851 if ((res & _ULCAST_(1)))
1852 __asm__ __volatile__(
1853 " .set push \n"
1854 " .set noreorder \n"
1855 " .set noat \n"
1856 " .set mips32r2 \n"
1857 " .word 0x41600021 # evpe \n"
1858 " ehb \n"
1859 " .set pop \n");
1860#endif
1da177e4
LT
1861}
1862
1863static inline void tlb_write_indexed(void)
1864{
1865 __asm__ __volatile__(
1866 ".set noreorder\n\t"
1867 "tlbwi\n\t"
1868 ".set reorder");
1869}
1870
1871static inline void tlb_write_random(void)
1872{
1873 __asm__ __volatile__(
1874 ".set noreorder\n\t"
1875 "tlbwr\n\t"
1876 ".set reorder");
1877}
1878
1879/*
1880 * Manipulate bits in a c0 register.
1881 */
1882#define __BUILD_SET_C0(name) \
1883static inline unsigned int \
1884set_c0_##name(unsigned int set) \
1885{ \
89e18eb3 1886 unsigned int res, new; \
1da177e4
LT
1887 \
1888 res = read_c0_##name(); \
89e18eb3
RB
1889 new = res | set; \
1890 write_c0_##name(new); \
1da177e4
LT
1891 \
1892 return res; \
1893} \
1894 \
1895static inline unsigned int \
1896clear_c0_##name(unsigned int clear) \
1897{ \
89e18eb3 1898 unsigned int res, new; \
1da177e4
LT
1899 \
1900 res = read_c0_##name(); \
89e18eb3
RB
1901 new = res & ~clear; \
1902 write_c0_##name(new); \
1da177e4
LT
1903 \
1904 return res; \
1905} \
1906 \
1907static inline unsigned int \
89e18eb3 1908change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 1909{ \
89e18eb3 1910 unsigned int res, new; \
1da177e4
LT
1911 \
1912 res = read_c0_##name(); \
89e18eb3
RB
1913 new = res & ~change; \
1914 new |= (val & change); \
1915 write_c0_##name(new); \
1da177e4
LT
1916 \
1917 return res; \
1918}
1919
1920__BUILD_SET_C0(status)
1921__BUILD_SET_C0(cause)
1922__BUILD_SET_C0(config)
7f65afb9 1923__BUILD_SET_C0(config5)
1da177e4 1924__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
1925__BUILD_SET_C0(intctl)
1926__BUILD_SET_C0(srsmap)
a5770df0 1927__BUILD_SET_C0(pagegrain)
020232f1
KC
1928__BUILD_SET_C0(brcm_config_0)
1929__BUILD_SET_C0(brcm_bus_pll)
1930__BUILD_SET_C0(brcm_reset)
1931__BUILD_SET_C0(brcm_cmt_intr)
1932__BUILD_SET_C0(brcm_cmt_ctrl)
1933__BUILD_SET_C0(brcm_config)
1934__BUILD_SET_C0(brcm_mode)
1da177e4 1935
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DD
1936/*
1937 * Return low 10 bits of ebase.
1938 * Note that under KVM (MIPSVZ) this returns vcpu id.
1939 */
1940static inline unsigned int get_ebase_cpunum(void)
1941{
1942 return read_c0_ebase() & 0x3ff;
1943}
1944
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LT
1945#endif /* !__ASSEMBLY__ */
1946
1947#endif /* _ASM_MIPSREGS_H */