MIPS: Move definition of DC bit to mipsregs.h
[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
195cee92 53#define CP0_HWRENA $7, 0
1da177e4 54#define CP0_BADVADDR $8
609cf6f2 55#define CP0_BADINSTR $8, 1
1da177e4
LT
56#define CP0_COUNT $9
57#define CP0_ENTRYHI $10
58#define CP0_COMPARE $11
59#define CP0_STATUS $12
60#define CP0_CAUSE $13
61#define CP0_EPC $14
62#define CP0_PRID $15
609cf6f2
PB
63#define CP0_EBASE $15, 1
64#define CP0_CMGCRBASE $15, 3
1da177e4 65#define CP0_CONFIG $16
195cee92
JH
66#define CP0_CONFIG3 $16, 3
67#define CP0_CONFIG5 $16, 5
1da177e4
LT
68#define CP0_LLADDR $17
69#define CP0_WATCHLO $18
70#define CP0_WATCHHI $19
71#define CP0_XCONTEXT $20
72#define CP0_FRAMEMASK $21
73#define CP0_DIAGNOSTIC $22
74#define CP0_DEBUG $23
75#define CP0_DEPC $24
76#define CP0_PERFORMANCE $25
77#define CP0_ECC $26
78#define CP0_CACHEERR $27
79#define CP0_TAGLO $28
80#define CP0_TAGHI $29
81#define CP0_ERROREPC $30
82#define CP0_DESAVE $31
83
84/*
85 * R4640/R4650 cp0 register names. These registers are listed
86 * here only for completeness; without MMU these CPUs are not useable
87 * by Linux. A future ELKS port might take make Linux run on them
88 * though ...
89 */
90#define CP0_IBASE $0
91#define CP0_IBOUND $1
92#define CP0_DBASE $2
93#define CP0_DBOUND $3
94#define CP0_CALG $17
95#define CP0_IWATCH $18
96#define CP0_DWATCH $19
97
98/*
99 * Coprocessor 0 Set 1 register names
100 */
101#define CP0_S1_DERRADDR0 $26
102#define CP0_S1_DERRADDR1 $27
103#define CP0_S1_INTCONTROL $20
104
7a0fc58c
RB
105/*
106 * Coprocessor 0 Set 2 register names
107 */
108#define CP0_S2_SRSCTL $12 /* MIPSR2 */
109
110/*
111 * Coprocessor 0 Set 3 register names
112 */
113#define CP0_S3_SRSMAP $12 /* MIPSR2 */
114
1da177e4
LT
115/*
116 * TX39 Series
117 */
118#define CP0_TX39_CACHE $7
119
1da177e4 120
bae637a2
JH
121/* Generic EntryLo bit definitions */
122#define ENTRYLO_G (_ULCAST_(1) << 0)
123#define ENTRYLO_V (_ULCAST_(1) << 1)
124#define ENTRYLO_D (_ULCAST_(1) << 2)
125#define ENTRYLO_C_SHIFT 3
126#define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT)
127
128/* R3000 EntryLo bit definitions */
129#define R3K_ENTRYLO_G (_ULCAST_(1) << 8)
130#define R3K_ENTRYLO_V (_ULCAST_(1) << 9)
131#define R3K_ENTRYLO_D (_ULCAST_(1) << 10)
132#define R3K_ENTRYLO_N (_ULCAST_(1) << 11)
133
134/* MIPS32/64 EntryLo bit definitions */
c6956728
PB
135#define MIPS_ENTRYLO_PFN_SHIFT 6
136#define MIPS_ENTRYLO_XI (_ULCAST_(1) << (BITS_PER_LONG - 2))
137#define MIPS_ENTRYLO_RI (_ULCAST_(1) << (BITS_PER_LONG - 1))
bae637a2 138
1da177e4
LT
139/*
140 * Values for PageMask register
141 */
142#ifdef CONFIG_CPU_VR41XX
143
144/* Why doesn't stupidity hurt ... */
145
146#define PM_1K 0x00000000
147#define PM_4K 0x00001800
148#define PM_16K 0x00007800
149#define PM_64K 0x0001f800
150#define PM_256K 0x0007f800
151
152#else
153
154#define PM_4K 0x00000000
c52399be 155#define PM_8K 0x00002000
1da177e4 156#define PM_16K 0x00006000
c52399be 157#define PM_32K 0x0000e000
1da177e4 158#define PM_64K 0x0001e000
c52399be 159#define PM_128K 0x0003e000
1da177e4 160#define PM_256K 0x0007e000
c52399be 161#define PM_512K 0x000fe000
1da177e4 162#define PM_1M 0x001fe000
c52399be 163#define PM_2M 0x003fe000
1da177e4 164#define PM_4M 0x007fe000
c52399be 165#define PM_8M 0x00ffe000
1da177e4 166#define PM_16M 0x01ffe000
c52399be 167#define PM_32M 0x03ffe000
1da177e4
LT
168#define PM_64M 0x07ffe000
169#define PM_256M 0x1fffe000
542c1020 170#define PM_1G 0x7fffe000
1da177e4
LT
171
172#endif
173
174/*
175 * Default page size for a given kernel configuration
176 */
177#ifdef CONFIG_PAGE_SIZE_4KB
70342287 178#define PM_DEFAULT_MASK PM_4K
c52399be 179#elif defined(CONFIG_PAGE_SIZE_8KB)
70342287 180#define PM_DEFAULT_MASK PM_8K
1da177e4 181#elif defined(CONFIG_PAGE_SIZE_16KB)
70342287 182#define PM_DEFAULT_MASK PM_16K
c52399be 183#elif defined(CONFIG_PAGE_SIZE_32KB)
70342287 184#define PM_DEFAULT_MASK PM_32K
1da177e4 185#elif defined(CONFIG_PAGE_SIZE_64KB)
70342287 186#define PM_DEFAULT_MASK PM_64K
1da177e4
LT
187#else
188#error Bad page size configuration!
189#endif
190
dd794392
DD
191/*
192 * Default huge tlb size for a given kernel configuration
193 */
194#ifdef CONFIG_PAGE_SIZE_4KB
195#define PM_HUGE_MASK PM_1M
196#elif defined(CONFIG_PAGE_SIZE_8KB)
197#define PM_HUGE_MASK PM_4M
198#elif defined(CONFIG_PAGE_SIZE_16KB)
199#define PM_HUGE_MASK PM_16M
200#elif defined(CONFIG_PAGE_SIZE_32KB)
201#define PM_HUGE_MASK PM_64M
202#elif defined(CONFIG_PAGE_SIZE_64KB)
203#define PM_HUGE_MASK PM_256M
aa1762f4 204#elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
dd794392
DD
205#error Bad page size configuration for hugetlbfs!
206#endif
1da177e4
LT
207
208/*
209 * Values used for computation of new tlb entries
210 */
211#define PL_4K 12
212#define PL_16K 14
213#define PL_64K 16
214#define PL_256K 18
215#define PL_1M 20
216#define PL_4M 22
217#define PL_16M 24
218#define PL_64M 26
219#define PL_256M 28
220
9fe2e9d6
DD
221/*
222 * PageGrain bits
223 */
70342287
RB
224#define PG_RIE (_ULCAST_(1) << 31)
225#define PG_XIE (_ULCAST_(1) << 30)
226#define PG_ELPA (_ULCAST_(1) << 29)
227#define PG_ESP (_ULCAST_(1) << 28)
6575b1d4 228#define PG_IEC (_ULCAST_(1) << 27)
9fe2e9d6 229
bae637a2
JH
230/* MIPS32/64 EntryHI bit definitions */
231#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
232
1da177e4
LT
233/*
234 * R4x00 interrupt enable / cause bits
235 */
70342287
RB
236#define IE_SW0 (_ULCAST_(1) << 8)
237#define IE_SW1 (_ULCAST_(1) << 9)
238#define IE_IRQ0 (_ULCAST_(1) << 10)
239#define IE_IRQ1 (_ULCAST_(1) << 11)
240#define IE_IRQ2 (_ULCAST_(1) << 12)
241#define IE_IRQ3 (_ULCAST_(1) << 13)
242#define IE_IRQ4 (_ULCAST_(1) << 14)
243#define IE_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
244
245/*
246 * R4x00 interrupt cause bits
247 */
70342287
RB
248#define C_SW0 (_ULCAST_(1) << 8)
249#define C_SW1 (_ULCAST_(1) << 9)
250#define C_IRQ0 (_ULCAST_(1) << 10)
251#define C_IRQ1 (_ULCAST_(1) << 11)
252#define C_IRQ2 (_ULCAST_(1) << 12)
253#define C_IRQ3 (_ULCAST_(1) << 13)
254#define C_IRQ4 (_ULCAST_(1) << 14)
255#define C_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
256
257/*
258 * Bitfields in the R4xx0 cp0 status register
259 */
260#define ST0_IE 0x00000001
261#define ST0_EXL 0x00000002
262#define ST0_ERL 0x00000004
263#define ST0_KSU 0x00000018
264# define KSU_USER 0x00000010
265# define KSU_SUPERVISOR 0x00000008
266# define KSU_KERNEL 0x00000000
267#define ST0_UX 0x00000020
268#define ST0_SX 0x00000040
70342287 269#define ST0_KX 0x00000080
1da177e4
LT
270#define ST0_DE 0x00010000
271#define ST0_CE 0x00020000
272
273/*
274 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
275 * cacheops in userspace. This bit exists only on RM7000 and RM9000
276 * processors.
277 */
278#define ST0_CO 0x08000000
279
280/*
281 * Bitfields in the R[23]000 cp0 status register.
282 */
70342287 283#define ST0_IEC 0x00000001
1da177e4
LT
284#define ST0_KUC 0x00000002
285#define ST0_IEP 0x00000004
286#define ST0_KUP 0x00000008
287#define ST0_IEO 0x00000010
288#define ST0_KUO 0x00000020
289/* bits 6 & 7 are reserved on R[23]000 */
290#define ST0_ISC 0x00010000
291#define ST0_SWC 0x00020000
292#define ST0_CM 0x00080000
293
294/*
295 * Bits specific to the R4640/R4650
296 */
70342287 297#define ST0_UM (_ULCAST_(1) << 4)
1da177e4
LT
298#define ST0_IL (_ULCAST_(1) << 23)
299#define ST0_DL (_ULCAST_(1) << 24)
300
e50c0a8f 301/*
3301edcb 302 * Enable the MIPS MDMX and DSP ASEs
e50c0a8f
RB
303 */
304#define ST0_MX 0x01000000
305
1da177e4
LT
306/*
307 * Status register bits available in all MIPS CPUs.
308 */
309#define ST0_IM 0x0000ff00
70342287
RB
310#define STATUSB_IP0 8
311#define STATUSF_IP0 (_ULCAST_(1) << 8)
312#define STATUSB_IP1 9
313#define STATUSF_IP1 (_ULCAST_(1) << 9)
314#define STATUSB_IP2 10
315#define STATUSF_IP2 (_ULCAST_(1) << 10)
316#define STATUSB_IP3 11
317#define STATUSF_IP3 (_ULCAST_(1) << 11)
318#define STATUSB_IP4 12
319#define STATUSF_IP4 (_ULCAST_(1) << 12)
320#define STATUSB_IP5 13
321#define STATUSF_IP5 (_ULCAST_(1) << 13)
322#define STATUSB_IP6 14
323#define STATUSF_IP6 (_ULCAST_(1) << 14)
324#define STATUSB_IP7 15
325#define STATUSF_IP7 (_ULCAST_(1) << 15)
326#define STATUSB_IP8 0
327#define STATUSF_IP8 (_ULCAST_(1) << 0)
328#define STATUSB_IP9 1
329#define STATUSF_IP9 (_ULCAST_(1) << 1)
330#define STATUSB_IP10 2
331#define STATUSF_IP10 (_ULCAST_(1) << 2)
332#define STATUSB_IP11 3
333#define STATUSF_IP11 (_ULCAST_(1) << 3)
334#define STATUSB_IP12 4
335#define STATUSF_IP12 (_ULCAST_(1) << 4)
336#define STATUSB_IP13 5
337#define STATUSF_IP13 (_ULCAST_(1) << 5)
338#define STATUSB_IP14 6
339#define STATUSF_IP14 (_ULCAST_(1) << 6)
340#define STATUSB_IP15 7
341#define STATUSF_IP15 (_ULCAST_(1) << 7)
1da177e4 342#define ST0_CH 0x00040000
96ffa02d 343#define ST0_NMI 0x00080000
1da177e4
LT
344#define ST0_SR 0x00100000
345#define ST0_TS 0x00200000
346#define ST0_BEV 0x00400000
347#define ST0_RE 0x02000000
348#define ST0_FR 0x04000000
349#define ST0_CU 0xf0000000
350#define ST0_CU0 0x10000000
351#define ST0_CU1 0x20000000
352#define ST0_CU2 0x40000000
353#define ST0_CU3 0x80000000
354#define ST0_XX 0x80000000 /* MIPS IV naming */
355
010c108d
DV
356/*
357 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
010c108d 358 */
9323f84f
JH
359#define INTCTLB_IPFDC 23
360#define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
010c108d
DV
361#define INTCTLB_IPPCI 26
362#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
363#define INTCTLB_IPTI 29
364#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
365
1da177e4
LT
366/*
367 * Bitfields and bit numbers in the coprocessor 0 cause register.
368 *
369 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
370 */
1054533a
MR
371#define CAUSEB_EXCCODE 2
372#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
373#define CAUSEB_IP 8
374#define CAUSEF_IP (_ULCAST_(255) << 8)
70342287
RB
375#define CAUSEB_IP0 8
376#define CAUSEF_IP0 (_ULCAST_(1) << 8)
377#define CAUSEB_IP1 9
378#define CAUSEF_IP1 (_ULCAST_(1) << 9)
379#define CAUSEB_IP2 10
380#define CAUSEF_IP2 (_ULCAST_(1) << 10)
381#define CAUSEB_IP3 11
382#define CAUSEF_IP3 (_ULCAST_(1) << 11)
383#define CAUSEB_IP4 12
384#define CAUSEF_IP4 (_ULCAST_(1) << 12)
385#define CAUSEB_IP5 13
386#define CAUSEF_IP5 (_ULCAST_(1) << 13)
387#define CAUSEB_IP6 14
388#define CAUSEF_IP6 (_ULCAST_(1) << 14)
389#define CAUSEB_IP7 15
390#define CAUSEF_IP7 (_ULCAST_(1) << 15)
1054533a
MR
391#define CAUSEB_FDCI 21
392#define CAUSEF_FDCI (_ULCAST_(1) << 21)
393#define CAUSEB_IV 23
394#define CAUSEF_IV (_ULCAST_(1) << 23)
395#define CAUSEB_PCI 26
396#define CAUSEF_PCI (_ULCAST_(1) << 26)
9fd4af63
JH
397#define CAUSEB_DC 27
398#define CAUSEF_DC (_ULCAST_(1) << 27)
1054533a
MR
399#define CAUSEB_CE 28
400#define CAUSEF_CE (_ULCAST_(3) << 28)
401#define CAUSEB_TI 30
402#define CAUSEF_TI (_ULCAST_(1) << 30)
403#define CAUSEB_BD 31
404#define CAUSEF_BD (_ULCAST_(1) << 31)
1da177e4
LT
405
406/*
407 * Bits in the coprocessor 0 config register.
408 */
409/* Generic bits. */
410#define CONF_CM_CACHABLE_NO_WA 0
411#define CONF_CM_CACHABLE_WA 1
412#define CONF_CM_UNCACHED 2
413#define CONF_CM_CACHABLE_NONCOHERENT 3
414#define CONF_CM_CACHABLE_CE 4
415#define CONF_CM_CACHABLE_COW 5
416#define CONF_CM_CACHABLE_CUW 6
417#define CONF_CM_CACHABLE_ACCELERATED 7
418#define CONF_CM_CMASK 7
419#define CONF_BE (_ULCAST_(1) << 15)
420
421/* Bits common to various processors. */
70342287
RB
422#define CONF_CU (_ULCAST_(1) << 3)
423#define CONF_DB (_ULCAST_(1) << 4)
424#define CONF_IB (_ULCAST_(1) << 5)
425#define CONF_DC (_ULCAST_(7) << 6)
426#define CONF_IC (_ULCAST_(7) << 9)
1da177e4
LT
427#define CONF_EB (_ULCAST_(1) << 13)
428#define CONF_EM (_ULCAST_(1) << 14)
429#define CONF_SM (_ULCAST_(1) << 16)
430#define CONF_SC (_ULCAST_(1) << 17)
431#define CONF_EW (_ULCAST_(3) << 18)
432#define CONF_EP (_ULCAST_(15)<< 24)
433#define CONF_EC (_ULCAST_(7) << 28)
434#define CONF_CM (_ULCAST_(1) << 31)
435
70342287 436/* Bits specific to the R4xx0. */
1da177e4
LT
437#define R4K_CONF_SW (_ULCAST_(1) << 20)
438#define R4K_CONF_SS (_ULCAST_(1) << 21)
e20368d5 439#define R4K_CONF_SB (_ULCAST_(3) << 22)
1da177e4 440
70342287 441/* Bits specific to the R5000. */
1da177e4
LT
442#define R5K_CONF_SE (_ULCAST_(1) << 12)
443#define R5K_CONF_SS (_ULCAST_(3) << 20)
444
70342287
RB
445/* Bits specific to the RM7000. */
446#define RM7K_CONF_SE (_ULCAST_(1) << 3)
c6ad7b7d
MR
447#define RM7K_CONF_TE (_ULCAST_(1) << 12)
448#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
449#define RM7K_CONF_TC (_ULCAST_(1) << 17)
450#define RM7K_CONF_SI (_ULCAST_(3) << 20)
451#define RM7K_CONF_SC (_ULCAST_(1) << 31)
ba5187db 452
70342287
RB
453/* Bits specific to the R10000. */
454#define R10K_CONF_DN (_ULCAST_(3) << 3)
455#define R10K_CONF_CT (_ULCAST_(1) << 5)
456#define R10K_CONF_PE (_ULCAST_(1) << 6)
457#define R10K_CONF_PM (_ULCAST_(3) << 7)
458#define R10K_CONF_EC (_ULCAST_(15)<< 9)
1da177e4
LT
459#define R10K_CONF_SB (_ULCAST_(1) << 13)
460#define R10K_CONF_SK (_ULCAST_(1) << 14)
461#define R10K_CONF_SS (_ULCAST_(7) << 16)
462#define R10K_CONF_SC (_ULCAST_(7) << 19)
463#define R10K_CONF_DC (_ULCAST_(7) << 26)
464#define R10K_CONF_IC (_ULCAST_(7) << 29)
465
70342287 466/* Bits specific to the VR41xx. */
1da177e4 467#define VR41_CONF_CS (_ULCAST_(1) << 12)
2874fe55 468#define VR41_CONF_P4K (_ULCAST_(1) << 13)
4e8ab361 469#define VR41_CONF_BP (_ULCAST_(1) << 16)
1da177e4
LT
470#define VR41_CONF_M16 (_ULCAST_(1) << 20)
471#define VR41_CONF_AD (_ULCAST_(1) << 23)
472
70342287 473/* Bits specific to the R30xx. */
1da177e4
LT
474#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
475#define R30XX_CONF_REV (_ULCAST_(1) << 22)
476#define R30XX_CONF_AC (_ULCAST_(1) << 23)
477#define R30XX_CONF_RF (_ULCAST_(1) << 24)
478#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
479#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
480#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
481#define R30XX_CONF_SB (_ULCAST_(1) << 30)
482#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
483
484/* Bits specific to the TX49. */
485#define TX49_CONF_DC (_ULCAST_(1) << 16)
486#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
487#define TX49_CONF_HALT (_ULCAST_(1) << 18)
488#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
489
70342287
RB
490/* Bits specific to the MIPS32/64 PRA. */
491#define MIPS_CONF_MT (_ULCAST_(7) << 7)
2f6f3136
JH
492#define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7)
493#define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
1da177e4
LT
494#define MIPS_CONF_AR (_ULCAST_(7) << 10)
495#define MIPS_CONF_AT (_ULCAST_(3) << 13)
496#define MIPS_CONF_M (_ULCAST_(1) << 31)
497
4194318c
RB
498/*
499 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
500 */
70342287
RB
501#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
502#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
503#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
504#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
505#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
506#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
507#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
508#define MIPS_CONF1_DA_SHF 7
509#define MIPS_CONF1_DA_SZ 3
70342287 510#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
511#define MIPS_CONF1_DL_SHF 10
512#define MIPS_CONF1_DL_SZ 3
4194318c 513#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
514#define MIPS_CONF1_DS_SHF 13
515#define MIPS_CONF1_DS_SZ 3
4194318c 516#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
517#define MIPS_CONF1_IA_SHF 16
518#define MIPS_CONF1_IA_SZ 3
4194318c 519#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
520#define MIPS_CONF1_IL_SHF 19
521#define MIPS_CONF1_IL_SZ 3
4194318c 522#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
523#define MIPS_CONF1_IS_SHF 22
524#define MIPS_CONF1_IS_SZ 3
4194318c 525#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
526#define MIPS_CONF1_TLBS_SHIFT (25)
527#define MIPS_CONF1_TLBS_SIZE (6)
528#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 529
70342287
RB
530#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
531#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
532#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
533#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
534#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
535#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
536#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
537#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
538
70342287
RB
539#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
540#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
541#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 542#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
543#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
544#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
545#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
546#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
547#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
548#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 549#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 550#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 551#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 552#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 553#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 554#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
555#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
556#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
557#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 558#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
559#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
560#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
561#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
562#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
563#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
564#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
565#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
566
567#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 568#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba 569#define MIPS_CONF4_FTLBSETS_SHIFT (0)
691038ba
LY
570#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
571#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
572#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
573#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
574/* bits 10:8 in FTLB-only configurations */
575#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
576/* bits 12:8 in VTLB-FTLB only configurations */
577#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
1b362e3e
DD
578#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
579#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
691038ba
LY
580#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
581#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
582#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16)
583#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
584#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
585#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
586#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
587#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
1b362e3e 588
2f9ee82c
RB
589#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
590#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
e19d5dba 591#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
5aed9da1 592#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
23d06e4f 593#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
5ff04a84
PB
594#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
595#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
596#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
597#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
598#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
599#define MIPS_CONF5_K (_ULCAST_(1) << 30)
600
006a851b 601#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
602/* proAptiv FTLB on/off bit */
603#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
cf0a8aa0
MC
604/* FTLB probability bits */
605#define MIPS_CONF6_FTLBP_SHIFT (16)
006a851b 606
4b3e975e
RB
607#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
608
9267a30d
MSJ
609#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
610
02dc6bfb
MC
611#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
612#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
20a7f7e5
MC
613/* FTLB probability bits for R6 */
614#define MIPS_CONF7_FTLBP_SHIFT (18)
02dc6bfb 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
4dd8ee5d
PB
622/* CMGCRBase bit definitions */
623#define MIPS_CMGCRB_BASE 11
624#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
625
4a0156fb
SH
626/*
627 * Bits in the MIPS32 Memory Segmentation registers.
628 */
629#define MIPS_SEGCFG_PA_SHIFT 9
630#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
631#define MIPS_SEGCFG_AM_SHIFT 4
632#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
633#define MIPS_SEGCFG_EU_SHIFT 3
634#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
635#define MIPS_SEGCFG_C_SHIFT 0
636#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
637
638#define MIPS_SEGCFG_UUSK _ULCAST_(7)
639#define MIPS_SEGCFG_USK _ULCAST_(5)
640#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
641#define MIPS_SEGCFG_MUSK _ULCAST_(3)
642#define MIPS_SEGCFG_MSK _ULCAST_(2)
643#define MIPS_SEGCFG_MK _ULCAST_(1)
644#define MIPS_SEGCFG_UK _ULCAST_(0)
645
87d08bc9
MC
646#define MIPS_PWFIELD_GDI_SHIFT 24
647#define MIPS_PWFIELD_GDI_MASK 0x3f000000
648#define MIPS_PWFIELD_UDI_SHIFT 18
649#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
650#define MIPS_PWFIELD_MDI_SHIFT 12
651#define MIPS_PWFIELD_MDI_MASK 0x0003f000
652#define MIPS_PWFIELD_PTI_SHIFT 6
653#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
654#define MIPS_PWFIELD_PTEI_SHIFT 0
655#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
656
657#define MIPS_PWSIZE_GDW_SHIFT 24
658#define MIPS_PWSIZE_GDW_MASK 0x3f000000
659#define MIPS_PWSIZE_UDW_SHIFT 18
660#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
661#define MIPS_PWSIZE_MDW_SHIFT 12
662#define MIPS_PWSIZE_MDW_MASK 0x0003f000
663#define MIPS_PWSIZE_PTW_SHIFT 6
664#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
665#define MIPS_PWSIZE_PTEW_SHIFT 0
666#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
667
668#define MIPS_PWCTL_PWEN_SHIFT 31
669#define MIPS_PWCTL_PWEN_MASK 0x80000000
670#define MIPS_PWCTL_DPH_SHIFT 7
671#define MIPS_PWCTL_DPH_MASK 0x00000080
672#define MIPS_PWCTL_HUGEPG_SHIFT 6
673#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
674#define MIPS_PWCTL_PSN_SHIFT 0
675#define MIPS_PWCTL_PSN_MASK 0x0000003f
676
9b3274bd
JH
677/* CDMMBase register bit definitions */
678#define MIPS_CDMMBASE_SIZE_SHIFT 0
679#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
680#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
681#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
682#define MIPS_CDMMBASE_ADDR_SHIFT 11
683#define MIPS_CDMMBASE_ADDR_START 15
684
e08384ca
MR
685/*
686 * Bitfields in the TX39 family CP0 Configuration Register 3
687 */
688#define TX39_CONF_ICS_SHIFT 19
689#define TX39_CONF_ICS_MASK 0x00380000
690#define TX39_CONF_ICS_1KB 0x00000000
691#define TX39_CONF_ICS_2KB 0x00080000
692#define TX39_CONF_ICS_4KB 0x00100000
693#define TX39_CONF_ICS_8KB 0x00180000
694#define TX39_CONF_ICS_16KB 0x00200000
695
696#define TX39_CONF_DCS_SHIFT 16
697#define TX39_CONF_DCS_MASK 0x00070000
698#define TX39_CONF_DCS_1KB 0x00000000
699#define TX39_CONF_DCS_2KB 0x00010000
700#define TX39_CONF_DCS_4KB 0x00020000
701#define TX39_CONF_DCS_8KB 0x00030000
702#define TX39_CONF_DCS_16KB 0x00040000
703
704#define TX39_CONF_CWFON 0x00004000
705#define TX39_CONF_WBON 0x00002000
706#define TX39_CONF_RF_SHIFT 10
707#define TX39_CONF_RF_MASK 0x00000c00
708#define TX39_CONF_DOZE 0x00000200
709#define TX39_CONF_HALT 0x00000100
710#define TX39_CONF_LOCK 0x00000080
711#define TX39_CONF_ICE 0x00000020
712#define TX39_CONF_DCE 0x00000010
713#define TX39_CONF_IRSIZE_SHIFT 2
714#define TX39_CONF_IRSIZE_MASK 0x0000000c
715#define TX39_CONF_DRSIZE_SHIFT 0
716#define TX39_CONF_DRSIZE_MASK 0x00000003
717
8d5ded16
JK
718/*
719 * Interesting Bits in the R10K CP0 Branch Diagnostic Register
720 */
721/* Disable Branch Target Address Cache */
722#define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27)
723/* Enable Branch Prediction Global History */
724#define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26)
725/* Disable Branch Return Cache */
726#define R10K_DIAG_D_BRC (_ULCAST_(1) << 22)
fda51906
MR
727
728/*
729 * Coprocessor 1 (FPU) register names
730 */
c491cfa2
MR
731#define CP1_REVISION $0
732#define CP1_UFR $1
733#define CP1_UNFR $4
734#define CP1_FCCR $25
735#define CP1_FEXR $26
736#define CP1_FENR $28
737#define CP1_STATUS $31
fda51906
MR
738
739
740/*
741 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
742 */
743#define MIPS_FPIR_S (_ULCAST_(1) << 16)
744#define MIPS_FPIR_D (_ULCAST_(1) << 17)
745#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
746#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
747#define MIPS_FPIR_W (_ULCAST_(1) << 20)
748#define MIPS_FPIR_L (_ULCAST_(1) << 21)
749#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
f1f3b7eb
MR
750#define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
751#define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
fda51906
MR
752#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
753
c491cfa2
MR
754/*
755 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
756 */
757#define MIPS_FCCR_CONDX_S 0
758#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
759#define MIPS_FCCR_COND0_S 0
760#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
761#define MIPS_FCCR_COND1_S 1
762#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
763#define MIPS_FCCR_COND2_S 2
764#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
765#define MIPS_FCCR_COND3_S 3
766#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
767#define MIPS_FCCR_COND4_S 4
768#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
769#define MIPS_FCCR_COND5_S 5
770#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
771#define MIPS_FCCR_COND6_S 6
772#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
773#define MIPS_FCCR_COND7_S 7
774#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
775
776/*
777 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
778 */
779#define MIPS_FENR_FS_S 2
780#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
781
fda51906
MR
782/*
783 * FPU Status Register Values
784 */
c491cfa2
MR
785#define FPU_CSR_COND_S 23 /* $fcc0 */
786#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
787
788#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
789#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
790
791#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
792#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
793#define FPU_CSR_COND1_S 25 /* $fcc1 */
794#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
795#define FPU_CSR_COND2_S 26 /* $fcc2 */
796#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
797#define FPU_CSR_COND3_S 27 /* $fcc3 */
798#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
799#define FPU_CSR_COND4_S 28 /* $fcc4 */
800#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
801#define FPU_CSR_COND5_S 29 /* $fcc5 */
802#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
803#define FPU_CSR_COND6_S 30 /* $fcc6 */
804#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
805#define FPU_CSR_COND7_S 31 /* $fcc7 */
806#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
fda51906
MR
807
808/*
f1f3b7eb 809 * Bits 22:20 of the FPU Status Register will be read as 0,
fda51906
MR
810 * and should be written as zero.
811 */
f1f3b7eb
MR
812#define FPU_CSR_RSVD (_ULCAST_(7) << 20)
813
814#define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
815#define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
fda51906
MR
816
817/*
818 * X the exception cause indicator
819 * E the exception enable
820 * S the sticky/flag bit
821*/
822#define FPU_CSR_ALL_X 0x0003f000
823#define FPU_CSR_UNI_X 0x00020000
824#define FPU_CSR_INV_X 0x00010000
825#define FPU_CSR_DIV_X 0x00008000
826#define FPU_CSR_OVF_X 0x00004000
827#define FPU_CSR_UDF_X 0x00002000
828#define FPU_CSR_INE_X 0x00001000
829
830#define FPU_CSR_ALL_E 0x00000f80
831#define FPU_CSR_INV_E 0x00000800
832#define FPU_CSR_DIV_E 0x00000400
833#define FPU_CSR_OVF_E 0x00000200
834#define FPU_CSR_UDF_E 0x00000100
835#define FPU_CSR_INE_E 0x00000080
836
837#define FPU_CSR_ALL_S 0x0000007c
838#define FPU_CSR_INV_S 0x00000040
839#define FPU_CSR_DIV_S 0x00000020
840#define FPU_CSR_OVF_S 0x00000010
841#define FPU_CSR_UDF_S 0x00000008
842#define FPU_CSR_INE_S 0x00000004
843
844/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
845#define FPU_CSR_RM 0x00000003
846#define FPU_CSR_RN 0x0 /* nearest */
847#define FPU_CSR_RZ 0x1 /* towards zero */
848#define FPU_CSR_RU 0x2 /* towards +Infinity */
849#define FPU_CSR_RD 0x3 /* towards -Infinity */
850
851
1da177e4
LT
852#ifndef __ASSEMBLY__
853
bfd08baa 854/*
377cb1b6 855 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 856 */
377cb1b6
RB
857#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
858 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
859#define get_isa16_mode(x) ((x) & 0x1)
860#define msk_isa16_mode(x) ((x) & ~0x1)
861#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
862#else
863#define get_isa16_mode(x) 0
864#define msk_isa16_mode(x) (x)
865#define set_isa16_mode(x) do { } while(0)
866#endif
bfd08baa
SH
867
868/*
869 * microMIPS instructions can be 16-bit or 32-bit in length. This
870 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
871 */
872static inline int mm_insn_16bit(u16 insn)
873{
874 u16 opcode = (insn >> 10) & 0x7;
875
876 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
877}
878
198bb4ce
LY
879/*
880 * TLB Invalidate Flush
881 */
882static inline void tlbinvf(void)
883{
884 __asm__ __volatile__(
885 ".set push\n\t"
886 ".set noreorder\n\t"
887 ".word 0x42000004\n\t" /* tlbinvf */
888 ".set pop");
889}
890
891
1da177e4 892/*
70342287 893 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
894 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
895 * performance counter number encoded into bits 1 ... 5 of the instruction.
896 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
897 * disassembler these will look like an access to sel 0 or 1.
898 */
899#define read_r10k_perf_cntr(counter) \
900({ \
901 unsigned int __res; \
902 __asm__ __volatile__( \
903 "mfpc\t%0, %1" \
70342287 904 : "=r" (__res) \
1da177e4
LT
905 : "i" (counter)); \
906 \
70342287 907 __res; \
1da177e4
LT
908})
909
70342287 910#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
911do { \
912 __asm__ __volatile__( \
913 "mtpc\t%0, %1" \
914 : \
915 : "r" (val), "i" (counter)); \
916} while (0)
917
918#define read_r10k_perf_event(counter) \
919({ \
920 unsigned int __res; \
921 __asm__ __volatile__( \
922 "mfps\t%0, %1" \
70342287 923 : "=r" (__res) \
1da177e4
LT
924 : "i" (counter)); \
925 \
70342287 926 __res; \
1da177e4
LT
927})
928
70342287 929#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
930do { \
931 __asm__ __volatile__( \
932 "mtps\t%0, %1" \
933 : \
934 : "r" (val), "i" (counter)); \
935} while (0)
936
937
938/*
939 * Macros to access the system control coprocessor
940 */
941
942#define __read_32bit_c0_register(source, sel) \
82eb8f73 943({ unsigned int __res; \
1da177e4
LT
944 if (sel == 0) \
945 __asm__ __volatile__( \
946 "mfc0\t%0, " #source "\n\t" \
947 : "=r" (__res)); \
948 else \
949 __asm__ __volatile__( \
950 ".set\tmips32\n\t" \
951 "mfc0\t%0, " #source ", " #sel "\n\t" \
952 ".set\tmips0\n\t" \
953 : "=r" (__res)); \
954 __res; \
955})
956
957#define __read_64bit_c0_register(source, sel) \
958({ unsigned long long __res; \
959 if (sizeof(unsigned long) == 4) \
960 __res = __read_64bit_c0_split(source, sel); \
961 else if (sel == 0) \
962 __asm__ __volatile__( \
963 ".set\tmips3\n\t" \
964 "dmfc0\t%0, " #source "\n\t" \
965 ".set\tmips0" \
966 : "=r" (__res)); \
967 else \
968 __asm__ __volatile__( \
969 ".set\tmips64\n\t" \
970 "dmfc0\t%0, " #source ", " #sel "\n\t" \
971 ".set\tmips0" \
972 : "=r" (__res)); \
973 __res; \
974})
975
976#define __write_32bit_c0_register(register, sel, value) \
977do { \
978 if (sel == 0) \
979 __asm__ __volatile__( \
980 "mtc0\t%z0, " #register "\n\t" \
0952e290 981 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
982 else \
983 __asm__ __volatile__( \
984 ".set\tmips32\n\t" \
985 "mtc0\t%z0, " #register ", " #sel "\n\t" \
986 ".set\tmips0" \
0952e290 987 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
988} while (0)
989
990#define __write_64bit_c0_register(register, sel, value) \
991do { \
992 if (sizeof(unsigned long) == 4) \
993 __write_64bit_c0_split(register, sel, value); \
994 else if (sel == 0) \
995 __asm__ __volatile__( \
996 ".set\tmips3\n\t" \
997 "dmtc0\t%z0, " #register "\n\t" \
998 ".set\tmips0" \
999 : : "Jr" (value)); \
1000 else \
1001 __asm__ __volatile__( \
1002 ".set\tmips64\n\t" \
1003 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
1004 ".set\tmips0" \
1005 : : "Jr" (value)); \
1006} while (0)
1007
1008#define __read_ulong_c0_register(reg, sel) \
1009 ((sizeof(unsigned long) == 4) ? \
1010 (unsigned long) __read_32bit_c0_register(reg, sel) : \
1011 (unsigned long) __read_64bit_c0_register(reg, sel))
1012
1013#define __write_ulong_c0_register(reg, sel, val) \
1014do { \
1015 if (sizeof(unsigned long) == 4) \
1016 __write_32bit_c0_register(reg, sel, val); \
1017 else \
1018 __write_64bit_c0_register(reg, sel, val); \
1019} while (0)
1020
1021/*
1022 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1023 */
1024#define __read_32bit_c0_ctrl_register(source) \
82eb8f73 1025({ unsigned int __res; \
1da177e4
LT
1026 __asm__ __volatile__( \
1027 "cfc0\t%0, " #source "\n\t" \
1028 : "=r" (__res)); \
1029 __res; \
1030})
1031
1032#define __write_32bit_c0_ctrl_register(register, value) \
1033do { \
1034 __asm__ __volatile__( \
1035 "ctc0\t%z0, " #register "\n\t" \
0952e290 1036 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
1037} while (0)
1038
1039/*
1040 * These versions are only needed for systems with more than 38 bits of
1041 * physical address space running the 32-bit kernel. That's none atm :-)
1042 */
1043#define __read_64bit_c0_split(source, sel) \
1044({ \
87d43dd4
AN
1045 unsigned long long __val; \
1046 unsigned long __flags; \
1da177e4 1047 \
87d43dd4 1048 local_irq_save(__flags); \
1da177e4
LT
1049 if (sel == 0) \
1050 __asm__ __volatile__( \
1051 ".set\tmips64\n\t" \
1052 "dmfc0\t%M0, " #source "\n\t" \
1053 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1054 "dsra\t%M0, %M0, 32\n\t" \
1055 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1056 ".set\tmips0" \
87d43dd4 1057 : "=r" (__val)); \
1da177e4
LT
1058 else \
1059 __asm__ __volatile__( \
1060 ".set\tmips64\n\t" \
1061 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1062 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1063 "dsra\t%M0, %M0, 32\n\t" \
1064 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1065 ".set\tmips0" \
87d43dd4
AN
1066 : "=r" (__val)); \
1067 local_irq_restore(__flags); \
1da177e4 1068 \
87d43dd4 1069 __val; \
1da177e4
LT
1070})
1071
1072#define __write_64bit_c0_split(source, sel, val) \
1073do { \
87d43dd4 1074 unsigned long __flags; \
1da177e4 1075 \
87d43dd4 1076 local_irq_save(__flags); \
1da177e4
LT
1077 if (sel == 0) \
1078 __asm__ __volatile__( \
1079 ".set\tmips64\n\t" \
1080 "dsll\t%L0, %L0, 32\n\t" \
1081 "dsrl\t%L0, %L0, 32\n\t" \
1082 "dsll\t%M0, %M0, 32\n\t" \
1083 "or\t%L0, %L0, %M0\n\t" \
1084 "dmtc0\t%L0, " #source "\n\t" \
1085 ".set\tmips0" \
1086 : : "r" (val)); \
1087 else \
1088 __asm__ __volatile__( \
1089 ".set\tmips64\n\t" \
1090 "dsll\t%L0, %L0, 32\n\t" \
1091 "dsrl\t%L0, %L0, 32\n\t" \
1092 "dsll\t%M0, %M0, 32\n\t" \
1093 "or\t%L0, %L0, %M0\n\t" \
1094 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1095 ".set\tmips0" \
1096 : : "r" (val)); \
87d43dd4 1097 local_irq_restore(__flags); \
1da177e4
LT
1098} while (0)
1099
23d06e4f
SH
1100#define __readx_32bit_c0_register(source) \
1101({ \
1102 unsigned int __res; \
1103 \
1104 __asm__ __volatile__( \
1105 " .set push \n" \
1106 " .set noat \n" \
1107 " .set mips32r2 \n" \
1108 " .insn \n" \
1109 " # mfhc0 $1, %1 \n" \
1110 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
1111 " move %0, $1 \n" \
1112 " .set pop \n" \
1113 : "=r" (__res) \
1114 : "i" (source)); \
1115 __res; \
1116})
1117
1118#define __writex_32bit_c0_register(register, value) \
1119do { \
1120 __asm__ __volatile__( \
1121 " .set push \n" \
1122 " .set noat \n" \
1123 " .set mips32r2 \n" \
1124 " move $1, %0 \n" \
1125 " # mthc0 $1, %1 \n" \
1126 " .insn \n" \
1127 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
1128 " .set pop \n" \
1129 : \
1130 : "r" (value), "i" (register)); \
1131} while (0)
1132
1da177e4
LT
1133#define read_c0_index() __read_32bit_c0_register($0, 0)
1134#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1135
272bace7
RB
1136#define read_c0_random() __read_32bit_c0_register($1, 0)
1137#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1138
1da177e4
LT
1139#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1140#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1141
23d06e4f
SH
1142#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1143#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1144
1da177e4
LT
1145#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1146#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1147
23d06e4f
SH
1148#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1149#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1150
1da177e4
LT
1151#define read_c0_conf() __read_32bit_c0_register($3, 0)
1152#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1153
1154#define read_c0_context() __read_ulong_c0_register($4, 0)
1155#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1156
a3692020 1157#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1158#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1159
1da177e4
LT
1160#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1161#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1162
9fe2e9d6 1163#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1164#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1165
1da177e4
LT
1166#define read_c0_wired() __read_32bit_c0_register($6, 0)
1167#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1168
1169#define read_c0_info() __read_32bit_c0_register($7, 0)
1170
70342287 1171#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1172#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1173
15c4f67a
RB
1174#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1175#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1176
1da177e4
LT
1177#define read_c0_count() __read_32bit_c0_register($9, 0)
1178#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1179
bdf21b18
PP
1180#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1181#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1182
1183#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1184#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1185
1da177e4
LT
1186#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1187#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1188
1189#define read_c0_compare() __read_32bit_c0_register($11, 0)
1190#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1191
bdf21b18
PP
1192#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1193#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1194
1195#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1196#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1197
1da177e4 1198#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1199
1da177e4
LT
1200#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1201
1202#define read_c0_cause() __read_32bit_c0_register($13, 0)
1203#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1204
1205#define read_c0_epc() __read_ulong_c0_register($14, 0)
1206#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1207
1208#define read_c0_prid() __read_32bit_c0_register($15, 0)
1209
4dd8ee5d
PB
1210#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1211
1da177e4
LT
1212#define read_c0_config() __read_32bit_c0_register($16, 0)
1213#define read_c0_config1() __read_32bit_c0_register($16, 1)
1214#define read_c0_config2() __read_32bit_c0_register($16, 2)
1215#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1216#define read_c0_config4() __read_32bit_c0_register($16, 4)
1217#define read_c0_config5() __read_32bit_c0_register($16, 5)
1218#define read_c0_config6() __read_32bit_c0_register($16, 6)
1219#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1220#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1221#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1222#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1223#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1224#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1225#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1226#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1227#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1228
b55b9e27
MC
1229#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1230#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1231#define read_c0_maar() __read_ulong_c0_register($17, 1)
1232#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1233#define read_c0_maari() __read_32bit_c0_register($17, 2)
1234#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1235
1da177e4 1236/*
25985edc 1237 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1238 */
1239#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1240#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1241#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1242#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1243#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1244#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1245#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1246#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1247#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1248#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1249#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1250#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1251#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1252#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1253#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1254#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1255
1256/*
25985edc 1257 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1258 */
1259#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1260#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1261#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1262#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1263#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1264#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1265#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1266#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1267
1268#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1269#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1270#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1271#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1272#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1273#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1274#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1275#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1276
1277#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1278#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1279
1280#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1281#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1282
1283#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1284#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1285
1da177e4
LT
1286#define read_c0_diag() __read_32bit_c0_register($22, 0)
1287#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1288
8d5ded16
JK
1289/* R10K CP0 Branch Diagnostic register is 64bits wide */
1290#define read_c0_r10k_diag() __read_64bit_c0_register($22, 0)
1291#define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1292
1da177e4
LT
1293#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1294#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1295
1296#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1297#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1298
1299#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1300#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1301
1302#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1303#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1304
1305#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1306#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1307
1308#define read_c0_debug() __read_32bit_c0_register($23, 0)
1309#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1310
1311#define read_c0_depc() __read_ulong_c0_register($24, 0)
1312#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1313
1314/*
1315 * MIPS32 / MIPS64 performance counters
1316 */
1317#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1318#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1319#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1320#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1321#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1322#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1323#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1324#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1325#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1326#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1327#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1328#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1329#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1330#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1331#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1332#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1333#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1334#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1335#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1336#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1337#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1338#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1339#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1340#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1341
1da177e4
LT
1342#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1343#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1344
1345#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1346#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1347
1348#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1349
1350#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1351#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1352
1353#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1354#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1355
41c594ab
RB
1356#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1357#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1358
af231172
KC
1359#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1360#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1361
1362#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1363#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1364
1da177e4
LT
1365#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1366#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1367
1368#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1369#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1370
7a0fc58c 1371/* MIPSR2 */
21a151d8 1372#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1373#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1374
1375#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1376#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1377
1378#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1379#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1380
1381#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1382#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1383
21a151d8 1384#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1385#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1386
9b3274bd
JH
1387#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1388#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1389
4a0156fb
SH
1390/* MIPSR3 */
1391#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1392#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1393
1394#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1395#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1396
1397#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1398#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1399
87d08bc9
MC
1400/* Hardware Page Table Walker */
1401#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1402#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1403
1404#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1405#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1406
1407#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1408#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1409
1410#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1411#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1412
ed918c2d
DD
1413/* Cavium OCTEON (cnMIPS) */
1414#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1415#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1416
1417#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1418#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1419
1420#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1421#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1422/*
70342287 1423 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1424 * 64 bits wide.
1425 */
1426#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1427#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1428
1429#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1430#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1431
af231172
KC
1432/* BMIPS3300 */
1433#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1434#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1435
1436#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1437#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1438
1439#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1440#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1441
020232f1 1442/* BMIPS43xx */
af231172
KC
1443#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1444#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1445
1446#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1447#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1448
1449#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1450#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1451
1452#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1453#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1454
1455#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1456#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1457
1458/* BMIPS5000 */
1459#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1460#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1461
1462#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1463#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1464
1465#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1466#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1467
1468#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1469#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1470
1471#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1472#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1473
1474#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1475#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1476
1da177e4
LT
1477/*
1478 * Macros to access the floating point coprocessor control registers
1479 */
842dfc11 1480#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310 1481({ \
c46a2f01 1482 unsigned int __res; \
b9688310
SH
1483 \
1484 __asm__ __volatile__( \
1485 " .set push \n" \
1486 " .set reorder \n" \
1487 " # gas fails to assemble cfc1 for some archs, \n" \
1488 " # like Octeon. \n" \
1489 " .set mips1 \n" \
842dfc11 1490 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1491 " cfc1 %0,"STR(source)" \n" \
1492 " .set pop \n" \
1493 : "=r" (__res)); \
1494 __res; \
1495})
1da177e4 1496
5e32033e
JH
1497#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
1498do { \
1499 __asm__ __volatile__( \
1500 " .set push \n" \
1501 " .set reorder \n" \
1502 " "STR(gas_hardfloat)" \n" \
1503 " ctc1 %0,"STR(dest)" \n" \
1504 " .set pop \n" \
1505 : : "r" (val)); \
1506} while (0)
1507
842dfc11
ML
1508#ifdef GAS_HAS_SET_HARDFLOAT
1509#define read_32bit_cp1_register(source) \
1510 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
1511#define write_32bit_cp1_register(dest, val) \
1512 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
1513#else
1514#define read_32bit_cp1_register(source) \
1515 _read_32bit_cp1_register(source, )
5e32033e
JH
1516#define write_32bit_cp1_register(dest, val) \
1517 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
1518#endif
1519
32a7ede6 1520#ifdef HAVE_AS_DSP
e50c0a8f
RB
1521#define rddsp(mask) \
1522({ \
32a7ede6 1523 unsigned int __dspctl; \
e50c0a8f
RB
1524 \
1525 __asm__ __volatile__( \
63c2b681
FF
1526 " .set push \n" \
1527 " .set dsp \n" \
32a7ede6 1528 " rddsp %0, %x1 \n" \
63c2b681 1529 " .set pop \n" \
32a7ede6 1530 : "=r" (__dspctl) \
e50c0a8f 1531 : "i" (mask)); \
32a7ede6 1532 __dspctl; \
e50c0a8f
RB
1533})
1534
1535#define wrdsp(val, mask) \
1536do { \
e50c0a8f 1537 __asm__ __volatile__( \
63c2b681
FF
1538 " .set push \n" \
1539 " .set dsp \n" \
32a7ede6 1540 " wrdsp %0, %x1 \n" \
63c2b681 1541 " .set pop \n" \
70342287 1542 : \
e50c0a8f 1543 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1544} while (0)
1545
63c2b681
FF
1546#define mflo0() \
1547({ \
1548 long mflo0; \
1549 __asm__( \
1550 " .set push \n" \
1551 " .set dsp \n" \
1552 " mflo %0, $ac0 \n" \
1553 " .set pop \n" \
1554 : "=r" (mflo0)); \
1555 mflo0; \
1556})
1557
1558#define mflo1() \
1559({ \
1560 long mflo1; \
1561 __asm__( \
1562 " .set push \n" \
1563 " .set dsp \n" \
1564 " mflo %0, $ac1 \n" \
1565 " .set pop \n" \
1566 : "=r" (mflo1)); \
1567 mflo1; \
1568})
1569
1570#define mflo2() \
1571({ \
1572 long mflo2; \
1573 __asm__( \
1574 " .set push \n" \
1575 " .set dsp \n" \
1576 " mflo %0, $ac2 \n" \
1577 " .set pop \n" \
1578 : "=r" (mflo2)); \
1579 mflo2; \
1580})
1581
1582#define mflo3() \
1583({ \
1584 long mflo3; \
1585 __asm__( \
1586 " .set push \n" \
1587 " .set dsp \n" \
1588 " mflo %0, $ac3 \n" \
1589 " .set pop \n" \
1590 : "=r" (mflo3)); \
1591 mflo3; \
1592})
1593
1594#define mfhi0() \
1595({ \
1596 long mfhi0; \
1597 __asm__( \
1598 " .set push \n" \
1599 " .set dsp \n" \
1600 " mfhi %0, $ac0 \n" \
1601 " .set pop \n" \
1602 : "=r" (mfhi0)); \
1603 mfhi0; \
1604})
1605
1606#define mfhi1() \
1607({ \
1608 long mfhi1; \
1609 __asm__( \
1610 " .set push \n" \
1611 " .set dsp \n" \
1612 " mfhi %0, $ac1 \n" \
1613 " .set pop \n" \
1614 : "=r" (mfhi1)); \
1615 mfhi1; \
1616})
1617
1618#define mfhi2() \
1619({ \
1620 long mfhi2; \
1621 __asm__( \
1622 " .set push \n" \
1623 " .set dsp \n" \
1624 " mfhi %0, $ac2 \n" \
1625 " .set pop \n" \
1626 : "=r" (mfhi2)); \
1627 mfhi2; \
1628})
1629
1630#define mfhi3() \
1631({ \
1632 long mfhi3; \
1633 __asm__( \
1634 " .set push \n" \
1635 " .set dsp \n" \
1636 " mfhi %0, $ac3 \n" \
1637 " .set pop \n" \
1638 : "=r" (mfhi3)); \
1639 mfhi3; \
1640})
1641
1642
1643#define mtlo0(x) \
1644({ \
1645 __asm__( \
1646 " .set push \n" \
1647 " .set dsp \n" \
1648 " mtlo %0, $ac0 \n" \
1649 " .set pop \n" \
1650 : \
1651 : "r" (x)); \
1652})
1653
1654#define mtlo1(x) \
1655({ \
1656 __asm__( \
1657 " .set push \n" \
1658 " .set dsp \n" \
1659 " mtlo %0, $ac1 \n" \
1660 " .set pop \n" \
1661 : \
1662 : "r" (x)); \
1663})
1664
1665#define mtlo2(x) \
1666({ \
1667 __asm__( \
1668 " .set push \n" \
1669 " .set dsp \n" \
1670 " mtlo %0, $ac2 \n" \
1671 " .set pop \n" \
1672 : \
1673 : "r" (x)); \
1674})
1675
1676#define mtlo3(x) \
1677({ \
1678 __asm__( \
1679 " .set push \n" \
1680 " .set dsp \n" \
1681 " mtlo %0, $ac3 \n" \
1682 " .set pop \n" \
1683 : \
1684 : "r" (x)); \
1685})
1686
1687#define mthi0(x) \
1688({ \
1689 __asm__( \
1690 " .set push \n" \
1691 " .set dsp \n" \
1692 " mthi %0, $ac0 \n" \
1693 " .set pop \n" \
1694 : \
1695 : "r" (x)); \
1696})
1697
1698#define mthi1(x) \
1699({ \
1700 __asm__( \
1701 " .set push \n" \
1702 " .set dsp \n" \
1703 " mthi %0, $ac1 \n" \
1704 " .set pop \n" \
1705 : \
1706 : "r" (x)); \
1707})
1708
1709#define mthi2(x) \
1710({ \
1711 __asm__( \
1712 " .set push \n" \
1713 " .set dsp \n" \
1714 " mthi %0, $ac2 \n" \
1715 " .set pop \n" \
1716 : \
1717 : "r" (x)); \
1718})
1719
1720#define mthi3(x) \
1721({ \
1722 __asm__( \
1723 " .set push \n" \
1724 " .set dsp \n" \
1725 " mthi %0, $ac3 \n" \
1726 " .set pop \n" \
1727 : \
1728 : "r" (x)); \
1729})
e50c0a8f
RB
1730
1731#else
1732
d0c1b478
SH
1733#ifdef CONFIG_CPU_MICROMIPS
1734#define rddsp(mask) \
e50c0a8f 1735({ \
d0c1b478 1736 unsigned int __res; \
e50c0a8f
RB
1737 \
1738 __asm__ __volatile__( \
e50c0a8f
RB
1739 " .set push \n" \
1740 " .set noat \n" \
d0c1b478
SH
1741 " # rddsp $1, %x1 \n" \
1742 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1743 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1744 " move %0, $1 \n" \
e50c0a8f 1745 " .set pop \n" \
d0c1b478
SH
1746 : "=r" (__res) \
1747 : "i" (mask)); \
1748 __res; \
1749})
e50c0a8f 1750
d0c1b478 1751#define wrdsp(val, mask) \
e50c0a8f
RB
1752do { \
1753 __asm__ __volatile__( \
1754 " .set push \n" \
1755 " .set noat \n" \
1756 " move $1, %0 \n" \
d0c1b478
SH
1757 " # wrdsp $1, %x1 \n" \
1758 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1759 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1760 " .set pop \n" \
1761 : \
d0c1b478 1762 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1763} while (0)
1764
d0c1b478
SH
1765#define _umips_dsp_mfxxx(ins) \
1766({ \
1767 unsigned long __treg; \
1768 \
e50c0a8f
RB
1769 __asm__ __volatile__( \
1770 " .set push \n" \
1771 " .set noat \n" \
d0c1b478
SH
1772 " .hword 0x0001 \n" \
1773 " .hword %x1 \n" \
1774 " move %0, $1 \n" \
e50c0a8f 1775 " .set pop \n" \
d0c1b478
SH
1776 : "=r" (__treg) \
1777 : "i" (ins)); \
1778 __treg; \
1779})
e50c0a8f 1780
d0c1b478 1781#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1782do { \
1783 __asm__ __volatile__( \
1784 " .set push \n" \
1785 " .set noat \n" \
1786 " move $1, %0 \n" \
d0c1b478
SH
1787 " .hword 0x0001 \n" \
1788 " .hword %x1 \n" \
e50c0a8f
RB
1789 " .set pop \n" \
1790 : \
d0c1b478 1791 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1792} while (0)
1793
d0c1b478
SH
1794#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1795#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1796
1797#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1798#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1799
1800#define mflo0() _umips_dsp_mflo(0)
1801#define mflo1() _umips_dsp_mflo(1)
1802#define mflo2() _umips_dsp_mflo(2)
1803#define mflo3() _umips_dsp_mflo(3)
1804
1805#define mfhi0() _umips_dsp_mfhi(0)
1806#define mfhi1() _umips_dsp_mfhi(1)
1807#define mfhi2() _umips_dsp_mfhi(2)
1808#define mfhi3() _umips_dsp_mfhi(3)
1809
1810#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1811#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1812#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1813#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1814
1815#define mthi0(x) _umips_dsp_mthi(x, 0)
1816#define mthi1(x) _umips_dsp_mthi(x, 1)
1817#define mthi2(x) _umips_dsp_mthi(x, 2)
1818#define mthi3(x) _umips_dsp_mthi(x, 3)
1819
1820#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1821#define rddsp(mask) \
1822({ \
1823 unsigned int __res; \
1824 \
e50c0a8f 1825 __asm__ __volatile__( \
32a7ede6
SH
1826 " .set push \n" \
1827 " .set noat \n" \
1828 " # rddsp $1, %x1 \n" \
1829 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1830 " move %0, $1 \n" \
1831 " .set pop \n" \
1832 : "=r" (__res) \
1833 : "i" (mask)); \
1834 __res; \
1835})
e50c0a8f 1836
32a7ede6 1837#define wrdsp(val, mask) \
e50c0a8f
RB
1838do { \
1839 __asm__ __volatile__( \
1840 " .set push \n" \
1841 " .set noat \n" \
1842 " move $1, %0 \n" \
32a7ede6
SH
1843 " # wrdsp $1, %x1 \n" \
1844 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1845 " .set pop \n" \
32a7ede6
SH
1846 : \
1847 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1848} while (0)
1849
4cb764b4 1850#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1851({ \
1852 unsigned long __treg; \
1853 \
e50c0a8f
RB
1854 __asm__ __volatile__( \
1855 " .set push \n" \
1856 " .set noat \n" \
4cb764b4
SH
1857 " .word (0x00000810 | %1) \n" \
1858 " move %0, $1 \n" \
e50c0a8f 1859 " .set pop \n" \
4cb764b4
SH
1860 : "=r" (__treg) \
1861 : "i" (ins)); \
1862 __treg; \
1863})
e50c0a8f 1864
4cb764b4 1865#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1866do { \
1867 __asm__ __volatile__( \
1868 " .set push \n" \
1869 " .set noat \n" \
1870 " move $1, %0 \n" \
4cb764b4 1871 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1872 " .set pop \n" \
1873 : \
4cb764b4 1874 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1875} while (0)
1876
4cb764b4
SH
1877#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1878#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1879
4cb764b4
SH
1880#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1881#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1882
4cb764b4
SH
1883#define mflo0() _dsp_mflo(0)
1884#define mflo1() _dsp_mflo(1)
1885#define mflo2() _dsp_mflo(2)
1886#define mflo3() _dsp_mflo(3)
e50c0a8f 1887
4cb764b4
SH
1888#define mfhi0() _dsp_mfhi(0)
1889#define mfhi1() _dsp_mfhi(1)
1890#define mfhi2() _dsp_mfhi(2)
1891#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1892
4cb764b4
SH
1893#define mtlo0(x) _dsp_mtlo(x, 0)
1894#define mtlo1(x) _dsp_mtlo(x, 1)
1895#define mtlo2(x) _dsp_mtlo(x, 2)
1896#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1897
4cb764b4
SH
1898#define mthi0(x) _dsp_mthi(x, 0)
1899#define mthi1(x) _dsp_mthi(x, 1)
1900#define mthi2(x) _dsp_mthi(x, 2)
1901#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1902
d0c1b478 1903#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1904#endif
1905
1da177e4
LT
1906/*
1907 * TLB operations.
1908 *
1909 * It is responsibility of the caller to take care of any TLB hazards.
1910 */
1911static inline void tlb_probe(void)
1912{
1913 __asm__ __volatile__(
1914 ".set noreorder\n\t"
1915 "tlbp\n\t"
1916 ".set reorder");
1917}
1918
1919static inline void tlb_read(void)
1920{
9267a30d
MSJ
1921#if MIPS34K_MISSED_ITLB_WAR
1922 int res = 0;
1923
1924 __asm__ __volatile__(
1925 " .set push \n"
1926 " .set noreorder \n"
1927 " .set noat \n"
1928 " .set mips32r2 \n"
1929 " .word 0x41610001 # dvpe $1 \n"
1930 " move %0, $1 \n"
1931 " ehb \n"
1932 " .set pop \n"
1933 : "=r" (res));
1934
1935 instruction_hazard();
1936#endif
1937
1da177e4
LT
1938 __asm__ __volatile__(
1939 ".set noreorder\n\t"
1940 "tlbr\n\t"
1941 ".set reorder");
9267a30d
MSJ
1942
1943#if MIPS34K_MISSED_ITLB_WAR
1944 if ((res & _ULCAST_(1)))
1945 __asm__ __volatile__(
1946 " .set push \n"
1947 " .set noreorder \n"
1948 " .set noat \n"
1949 " .set mips32r2 \n"
1950 " .word 0x41600021 # evpe \n"
1951 " ehb \n"
1952 " .set pop \n");
1953#endif
1da177e4
LT
1954}
1955
1956static inline void tlb_write_indexed(void)
1957{
1958 __asm__ __volatile__(
1959 ".set noreorder\n\t"
1960 "tlbwi\n\t"
1961 ".set reorder");
1962}
1963
1964static inline void tlb_write_random(void)
1965{
1966 __asm__ __volatile__(
1967 ".set noreorder\n\t"
1968 "tlbwr\n\t"
1969 ".set reorder");
1970}
1971
1972/*
1973 * Manipulate bits in a c0 register.
1974 */
1975#define __BUILD_SET_C0(name) \
1976static inline unsigned int \
1977set_c0_##name(unsigned int set) \
1978{ \
89e18eb3 1979 unsigned int res, new; \
1da177e4
LT
1980 \
1981 res = read_c0_##name(); \
89e18eb3
RB
1982 new = res | set; \
1983 write_c0_##name(new); \
1da177e4
LT
1984 \
1985 return res; \
1986} \
1987 \
1988static inline unsigned int \
1989clear_c0_##name(unsigned int clear) \
1990{ \
89e18eb3 1991 unsigned int res, new; \
1da177e4
LT
1992 \
1993 res = read_c0_##name(); \
89e18eb3
RB
1994 new = res & ~clear; \
1995 write_c0_##name(new); \
1da177e4
LT
1996 \
1997 return res; \
1998} \
1999 \
2000static inline unsigned int \
89e18eb3 2001change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 2002{ \
89e18eb3 2003 unsigned int res, new; \
1da177e4
LT
2004 \
2005 res = read_c0_##name(); \
89e18eb3
RB
2006 new = res & ~change; \
2007 new |= (val & change); \
2008 write_c0_##name(new); \
1da177e4
LT
2009 \
2010 return res; \
2011}
2012
2013__BUILD_SET_C0(status)
2014__BUILD_SET_C0(cause)
2015__BUILD_SET_C0(config)
7f65afb9 2016__BUILD_SET_C0(config5)
1da177e4 2017__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
2018__BUILD_SET_C0(intctl)
2019__BUILD_SET_C0(srsmap)
a5770df0 2020__BUILD_SET_C0(pagegrain)
020232f1
KC
2021__BUILD_SET_C0(brcm_config_0)
2022__BUILD_SET_C0(brcm_bus_pll)
2023__BUILD_SET_C0(brcm_reset)
2024__BUILD_SET_C0(brcm_cmt_intr)
2025__BUILD_SET_C0(brcm_cmt_ctrl)
2026__BUILD_SET_C0(brcm_config)
2027__BUILD_SET_C0(brcm_mode)
1da177e4 2028
45b585c8
DD
2029/*
2030 * Return low 10 bits of ebase.
2031 * Note that under KVM (MIPSVZ) this returns vcpu id.
2032 */
2033static inline unsigned int get_ebase_cpunum(void)
2034{
2035 return read_c0_ebase() & 0x3ff;
2036}
2037
1da177e4
LT
2038#endif /* !__ASSEMBLY__ */
2039
2040#endif /* _ASM_MIPSREGS_H */