MIPS: cpu-features: Add cpu_has_ftlb
[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 114
bae637a2
JH
115/* Generic EntryLo bit definitions */
116#define ENTRYLO_G (_ULCAST_(1) << 0)
117#define ENTRYLO_V (_ULCAST_(1) << 1)
118#define ENTRYLO_D (_ULCAST_(1) << 2)
119#define ENTRYLO_C_SHIFT 3
120#define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT)
121
122/* R3000 EntryLo bit definitions */
123#define R3K_ENTRYLO_G (_ULCAST_(1) << 8)
124#define R3K_ENTRYLO_V (_ULCAST_(1) << 9)
125#define R3K_ENTRYLO_D (_ULCAST_(1) << 10)
126#define R3K_ENTRYLO_N (_ULCAST_(1) << 11)
127
128/* MIPS32/64 EntryLo bit definitions */
129#ifdef CONFIG_64BIT
130/* as read by dmfc0 */
131#define MIPS_ENTRYLO_XI (_ULCAST_(1) << 62)
132#define MIPS_ENTRYLO_RI (_ULCAST_(1) << 63)
133#else
134/* as read by mfc0 */
135#define MIPS_ENTRYLO_XI (_ULCAST_(1) << 30)
136#define MIPS_ENTRYLO_RI (_ULCAST_(1) << 31)
137#endif
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)
397#define CAUSEB_CE 28
398#define CAUSEF_CE (_ULCAST_(3) << 28)
399#define CAUSEB_TI 30
400#define CAUSEF_TI (_ULCAST_(1) << 30)
401#define CAUSEB_BD 31
402#define CAUSEF_BD (_ULCAST_(1) << 31)
1da177e4
LT
403
404/*
405 * Bits in the coprocessor 0 config register.
406 */
407/* Generic bits. */
408#define CONF_CM_CACHABLE_NO_WA 0
409#define CONF_CM_CACHABLE_WA 1
410#define CONF_CM_UNCACHED 2
411#define CONF_CM_CACHABLE_NONCOHERENT 3
412#define CONF_CM_CACHABLE_CE 4
413#define CONF_CM_CACHABLE_COW 5
414#define CONF_CM_CACHABLE_CUW 6
415#define CONF_CM_CACHABLE_ACCELERATED 7
416#define CONF_CM_CMASK 7
417#define CONF_BE (_ULCAST_(1) << 15)
418
419/* Bits common to various processors. */
70342287
RB
420#define CONF_CU (_ULCAST_(1) << 3)
421#define CONF_DB (_ULCAST_(1) << 4)
422#define CONF_IB (_ULCAST_(1) << 5)
423#define CONF_DC (_ULCAST_(7) << 6)
424#define CONF_IC (_ULCAST_(7) << 9)
1da177e4
LT
425#define CONF_EB (_ULCAST_(1) << 13)
426#define CONF_EM (_ULCAST_(1) << 14)
427#define CONF_SM (_ULCAST_(1) << 16)
428#define CONF_SC (_ULCAST_(1) << 17)
429#define CONF_EW (_ULCAST_(3) << 18)
430#define CONF_EP (_ULCAST_(15)<< 24)
431#define CONF_EC (_ULCAST_(7) << 28)
432#define CONF_CM (_ULCAST_(1) << 31)
433
70342287 434/* Bits specific to the R4xx0. */
1da177e4
LT
435#define R4K_CONF_SW (_ULCAST_(1) << 20)
436#define R4K_CONF_SS (_ULCAST_(1) << 21)
e20368d5 437#define R4K_CONF_SB (_ULCAST_(3) << 22)
1da177e4 438
70342287 439/* Bits specific to the R5000. */
1da177e4
LT
440#define R5K_CONF_SE (_ULCAST_(1) << 12)
441#define R5K_CONF_SS (_ULCAST_(3) << 20)
442
70342287
RB
443/* Bits specific to the RM7000. */
444#define RM7K_CONF_SE (_ULCAST_(1) << 3)
c6ad7b7d
MR
445#define RM7K_CONF_TE (_ULCAST_(1) << 12)
446#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
447#define RM7K_CONF_TC (_ULCAST_(1) << 17)
448#define RM7K_CONF_SI (_ULCAST_(3) << 20)
449#define RM7K_CONF_SC (_ULCAST_(1) << 31)
ba5187db 450
70342287
RB
451/* Bits specific to the R10000. */
452#define R10K_CONF_DN (_ULCAST_(3) << 3)
453#define R10K_CONF_CT (_ULCAST_(1) << 5)
454#define R10K_CONF_PE (_ULCAST_(1) << 6)
455#define R10K_CONF_PM (_ULCAST_(3) << 7)
456#define R10K_CONF_EC (_ULCAST_(15)<< 9)
1da177e4
LT
457#define R10K_CONF_SB (_ULCAST_(1) << 13)
458#define R10K_CONF_SK (_ULCAST_(1) << 14)
459#define R10K_CONF_SS (_ULCAST_(7) << 16)
460#define R10K_CONF_SC (_ULCAST_(7) << 19)
461#define R10K_CONF_DC (_ULCAST_(7) << 26)
462#define R10K_CONF_IC (_ULCAST_(7) << 29)
463
70342287 464/* Bits specific to the VR41xx. */
1da177e4 465#define VR41_CONF_CS (_ULCAST_(1) << 12)
2874fe55 466#define VR41_CONF_P4K (_ULCAST_(1) << 13)
4e8ab361 467#define VR41_CONF_BP (_ULCAST_(1) << 16)
1da177e4
LT
468#define VR41_CONF_M16 (_ULCAST_(1) << 20)
469#define VR41_CONF_AD (_ULCAST_(1) << 23)
470
70342287 471/* Bits specific to the R30xx. */
1da177e4
LT
472#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
473#define R30XX_CONF_REV (_ULCAST_(1) << 22)
474#define R30XX_CONF_AC (_ULCAST_(1) << 23)
475#define R30XX_CONF_RF (_ULCAST_(1) << 24)
476#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
477#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
478#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
479#define R30XX_CONF_SB (_ULCAST_(1) << 30)
480#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
481
482/* Bits specific to the TX49. */
483#define TX49_CONF_DC (_ULCAST_(1) << 16)
484#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
485#define TX49_CONF_HALT (_ULCAST_(1) << 18)
486#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
487
70342287
RB
488/* Bits specific to the MIPS32/64 PRA. */
489#define MIPS_CONF_MT (_ULCAST_(7) << 7)
2f6f3136
JH
490#define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7)
491#define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
1da177e4
LT
492#define MIPS_CONF_AR (_ULCAST_(7) << 10)
493#define MIPS_CONF_AT (_ULCAST_(3) << 13)
494#define MIPS_CONF_M (_ULCAST_(1) << 31)
495
4194318c
RB
496/*
497 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
498 */
70342287
RB
499#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
500#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
501#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
502#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
503#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
504#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
505#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
506#define MIPS_CONF1_DA_SHF 7
507#define MIPS_CONF1_DA_SZ 3
70342287 508#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
509#define MIPS_CONF1_DL_SHF 10
510#define MIPS_CONF1_DL_SZ 3
4194318c 511#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
512#define MIPS_CONF1_DS_SHF 13
513#define MIPS_CONF1_DS_SZ 3
4194318c 514#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
515#define MIPS_CONF1_IA_SHF 16
516#define MIPS_CONF1_IA_SZ 3
4194318c 517#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
518#define MIPS_CONF1_IL_SHF 19
519#define MIPS_CONF1_IL_SZ 3
4194318c 520#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
521#define MIPS_CONF1_IS_SHF 22
522#define MIPS_CONF1_IS_SZ 3
4194318c 523#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
524#define MIPS_CONF1_TLBS_SHIFT (25)
525#define MIPS_CONF1_TLBS_SIZE (6)
526#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 527
70342287
RB
528#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
529#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
530#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
531#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
532#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
533#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
534#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
535#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
536
70342287
RB
537#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
538#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
539#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 540#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
541#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
542#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
543#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
544#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
545#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
546#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 547#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 548#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 549#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 550#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 551#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 552#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
553#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
554#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
555#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 556#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
557#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
558#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
559#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
560#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
561#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
562#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
563#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
564
565#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 566#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba 567#define MIPS_CONF4_FTLBSETS_SHIFT (0)
691038ba
LY
568#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
569#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
570#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
571#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
572/* bits 10:8 in FTLB-only configurations */
573#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
574/* bits 12:8 in VTLB-FTLB only configurations */
575#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
1b362e3e
DD
576#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
577#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
691038ba
LY
578#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
579#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
580#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16)
581#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
582#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
583#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
584#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
585#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
1b362e3e 586
2f9ee82c
RB
587#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
588#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
e19d5dba 589#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
5aed9da1 590#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
23d06e4f 591#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
5ff04a84
PB
592#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
593#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
594#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
595#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
596#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
597#define MIPS_CONF5_K (_ULCAST_(1) << 30)
598
006a851b 599#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
600/* proAptiv FTLB on/off bit */
601#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
cf0a8aa0
MC
602/* FTLB probability bits */
603#define MIPS_CONF6_FTLBP_SHIFT (16)
006a851b 604
4b3e975e
RB
605#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
606
9267a30d
MSJ
607#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
608
02dc6bfb
MC
609#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
610#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
20a7f7e5
MC
611/* FTLB probability bits for R6 */
612#define MIPS_CONF7_FTLBP_SHIFT (18)
02dc6bfb 613
e19d5dba
PB
614/* MAAR bit definitions */
615#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
616#define MIPS_MAAR_ADDR_SHIFT 12
617#define MIPS_MAAR_S (_ULCAST_(1) << 1)
618#define MIPS_MAAR_V (_ULCAST_(1) << 0)
619
4dd8ee5d
PB
620/* CMGCRBase bit definitions */
621#define MIPS_CMGCRB_BASE 11
622#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
623
4a0156fb
SH
624/*
625 * Bits in the MIPS32 Memory Segmentation registers.
626 */
627#define MIPS_SEGCFG_PA_SHIFT 9
628#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
629#define MIPS_SEGCFG_AM_SHIFT 4
630#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
631#define MIPS_SEGCFG_EU_SHIFT 3
632#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
633#define MIPS_SEGCFG_C_SHIFT 0
634#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
635
636#define MIPS_SEGCFG_UUSK _ULCAST_(7)
637#define MIPS_SEGCFG_USK _ULCAST_(5)
638#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
639#define MIPS_SEGCFG_MUSK _ULCAST_(3)
640#define MIPS_SEGCFG_MSK _ULCAST_(2)
641#define MIPS_SEGCFG_MK _ULCAST_(1)
642#define MIPS_SEGCFG_UK _ULCAST_(0)
643
87d08bc9
MC
644#define MIPS_PWFIELD_GDI_SHIFT 24
645#define MIPS_PWFIELD_GDI_MASK 0x3f000000
646#define MIPS_PWFIELD_UDI_SHIFT 18
647#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
648#define MIPS_PWFIELD_MDI_SHIFT 12
649#define MIPS_PWFIELD_MDI_MASK 0x0003f000
650#define MIPS_PWFIELD_PTI_SHIFT 6
651#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
652#define MIPS_PWFIELD_PTEI_SHIFT 0
653#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
654
655#define MIPS_PWSIZE_GDW_SHIFT 24
656#define MIPS_PWSIZE_GDW_MASK 0x3f000000
657#define MIPS_PWSIZE_UDW_SHIFT 18
658#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
659#define MIPS_PWSIZE_MDW_SHIFT 12
660#define MIPS_PWSIZE_MDW_MASK 0x0003f000
661#define MIPS_PWSIZE_PTW_SHIFT 6
662#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
663#define MIPS_PWSIZE_PTEW_SHIFT 0
664#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
665
666#define MIPS_PWCTL_PWEN_SHIFT 31
667#define MIPS_PWCTL_PWEN_MASK 0x80000000
668#define MIPS_PWCTL_DPH_SHIFT 7
669#define MIPS_PWCTL_DPH_MASK 0x00000080
670#define MIPS_PWCTL_HUGEPG_SHIFT 6
671#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
672#define MIPS_PWCTL_PSN_SHIFT 0
673#define MIPS_PWCTL_PSN_MASK 0x0000003f
674
9b3274bd
JH
675/* CDMMBase register bit definitions */
676#define MIPS_CDMMBASE_SIZE_SHIFT 0
677#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
678#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
679#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
680#define MIPS_CDMMBASE_ADDR_SHIFT 11
681#define MIPS_CDMMBASE_ADDR_START 15
682
e08384ca
MR
683/*
684 * Bitfields in the TX39 family CP0 Configuration Register 3
685 */
686#define TX39_CONF_ICS_SHIFT 19
687#define TX39_CONF_ICS_MASK 0x00380000
688#define TX39_CONF_ICS_1KB 0x00000000
689#define TX39_CONF_ICS_2KB 0x00080000
690#define TX39_CONF_ICS_4KB 0x00100000
691#define TX39_CONF_ICS_8KB 0x00180000
692#define TX39_CONF_ICS_16KB 0x00200000
693
694#define TX39_CONF_DCS_SHIFT 16
695#define TX39_CONF_DCS_MASK 0x00070000
696#define TX39_CONF_DCS_1KB 0x00000000
697#define TX39_CONF_DCS_2KB 0x00010000
698#define TX39_CONF_DCS_4KB 0x00020000
699#define TX39_CONF_DCS_8KB 0x00030000
700#define TX39_CONF_DCS_16KB 0x00040000
701
702#define TX39_CONF_CWFON 0x00004000
703#define TX39_CONF_WBON 0x00002000
704#define TX39_CONF_RF_SHIFT 10
705#define TX39_CONF_RF_MASK 0x00000c00
706#define TX39_CONF_DOZE 0x00000200
707#define TX39_CONF_HALT 0x00000100
708#define TX39_CONF_LOCK 0x00000080
709#define TX39_CONF_ICE 0x00000020
710#define TX39_CONF_DCE 0x00000010
711#define TX39_CONF_IRSIZE_SHIFT 2
712#define TX39_CONF_IRSIZE_MASK 0x0000000c
713#define TX39_CONF_DRSIZE_SHIFT 0
714#define TX39_CONF_DRSIZE_MASK 0x00000003
715
8d5ded16
JK
716/*
717 * Interesting Bits in the R10K CP0 Branch Diagnostic Register
718 */
719/* Disable Branch Target Address Cache */
720#define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27)
721/* Enable Branch Prediction Global History */
722#define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26)
723/* Disable Branch Return Cache */
724#define R10K_DIAG_D_BRC (_ULCAST_(1) << 22)
fda51906
MR
725
726/*
727 * Coprocessor 1 (FPU) register names
728 */
c491cfa2
MR
729#define CP1_REVISION $0
730#define CP1_UFR $1
731#define CP1_UNFR $4
732#define CP1_FCCR $25
733#define CP1_FEXR $26
734#define CP1_FENR $28
735#define CP1_STATUS $31
fda51906
MR
736
737
738/*
739 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
740 */
741#define MIPS_FPIR_S (_ULCAST_(1) << 16)
742#define MIPS_FPIR_D (_ULCAST_(1) << 17)
743#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
744#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
745#define MIPS_FPIR_W (_ULCAST_(1) << 20)
746#define MIPS_FPIR_L (_ULCAST_(1) << 21)
747#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
f1f3b7eb
MR
748#define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
749#define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
fda51906
MR
750#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
751
c491cfa2
MR
752/*
753 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
754 */
755#define MIPS_FCCR_CONDX_S 0
756#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
757#define MIPS_FCCR_COND0_S 0
758#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
759#define MIPS_FCCR_COND1_S 1
760#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
761#define MIPS_FCCR_COND2_S 2
762#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
763#define MIPS_FCCR_COND3_S 3
764#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
765#define MIPS_FCCR_COND4_S 4
766#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
767#define MIPS_FCCR_COND5_S 5
768#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
769#define MIPS_FCCR_COND6_S 6
770#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
771#define MIPS_FCCR_COND7_S 7
772#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
773
774/*
775 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
776 */
777#define MIPS_FENR_FS_S 2
778#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
779
fda51906
MR
780/*
781 * FPU Status Register Values
782 */
c491cfa2
MR
783#define FPU_CSR_COND_S 23 /* $fcc0 */
784#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
785
786#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
787#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
788
789#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
790#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
791#define FPU_CSR_COND1_S 25 /* $fcc1 */
792#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
793#define FPU_CSR_COND2_S 26 /* $fcc2 */
794#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
795#define FPU_CSR_COND3_S 27 /* $fcc3 */
796#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
797#define FPU_CSR_COND4_S 28 /* $fcc4 */
798#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
799#define FPU_CSR_COND5_S 29 /* $fcc5 */
800#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
801#define FPU_CSR_COND6_S 30 /* $fcc6 */
802#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
803#define FPU_CSR_COND7_S 31 /* $fcc7 */
804#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
fda51906
MR
805
806/*
f1f3b7eb 807 * Bits 22:20 of the FPU Status Register will be read as 0,
fda51906
MR
808 * and should be written as zero.
809 */
f1f3b7eb
MR
810#define FPU_CSR_RSVD (_ULCAST_(7) << 20)
811
812#define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
813#define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
fda51906
MR
814
815/*
816 * X the exception cause indicator
817 * E the exception enable
818 * S the sticky/flag bit
819*/
820#define FPU_CSR_ALL_X 0x0003f000
821#define FPU_CSR_UNI_X 0x00020000
822#define FPU_CSR_INV_X 0x00010000
823#define FPU_CSR_DIV_X 0x00008000
824#define FPU_CSR_OVF_X 0x00004000
825#define FPU_CSR_UDF_X 0x00002000
826#define FPU_CSR_INE_X 0x00001000
827
828#define FPU_CSR_ALL_E 0x00000f80
829#define FPU_CSR_INV_E 0x00000800
830#define FPU_CSR_DIV_E 0x00000400
831#define FPU_CSR_OVF_E 0x00000200
832#define FPU_CSR_UDF_E 0x00000100
833#define FPU_CSR_INE_E 0x00000080
834
835#define FPU_CSR_ALL_S 0x0000007c
836#define FPU_CSR_INV_S 0x00000040
837#define FPU_CSR_DIV_S 0x00000020
838#define FPU_CSR_OVF_S 0x00000010
839#define FPU_CSR_UDF_S 0x00000008
840#define FPU_CSR_INE_S 0x00000004
841
842/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
843#define FPU_CSR_RM 0x00000003
844#define FPU_CSR_RN 0x0 /* nearest */
845#define FPU_CSR_RZ 0x1 /* towards zero */
846#define FPU_CSR_RU 0x2 /* towards +Infinity */
847#define FPU_CSR_RD 0x3 /* towards -Infinity */
848
849
1da177e4
LT
850#ifndef __ASSEMBLY__
851
bfd08baa 852/*
377cb1b6 853 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 854 */
377cb1b6
RB
855#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
856 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
857#define get_isa16_mode(x) ((x) & 0x1)
858#define msk_isa16_mode(x) ((x) & ~0x1)
859#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
860#else
861#define get_isa16_mode(x) 0
862#define msk_isa16_mode(x) (x)
863#define set_isa16_mode(x) do { } while(0)
864#endif
bfd08baa
SH
865
866/*
867 * microMIPS instructions can be 16-bit or 32-bit in length. This
868 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
869 */
870static inline int mm_insn_16bit(u16 insn)
871{
872 u16 opcode = (insn >> 10) & 0x7;
873
874 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
875}
876
198bb4ce
LY
877/*
878 * TLB Invalidate Flush
879 */
880static inline void tlbinvf(void)
881{
882 __asm__ __volatile__(
883 ".set push\n\t"
884 ".set noreorder\n\t"
885 ".word 0x42000004\n\t" /* tlbinvf */
886 ".set pop");
887}
888
889
1da177e4 890/*
70342287 891 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
892 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
893 * performance counter number encoded into bits 1 ... 5 of the instruction.
894 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
895 * disassembler these will look like an access to sel 0 or 1.
896 */
897#define read_r10k_perf_cntr(counter) \
898({ \
899 unsigned int __res; \
900 __asm__ __volatile__( \
901 "mfpc\t%0, %1" \
70342287 902 : "=r" (__res) \
1da177e4
LT
903 : "i" (counter)); \
904 \
70342287 905 __res; \
1da177e4
LT
906})
907
70342287 908#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
909do { \
910 __asm__ __volatile__( \
911 "mtpc\t%0, %1" \
912 : \
913 : "r" (val), "i" (counter)); \
914} while (0)
915
916#define read_r10k_perf_event(counter) \
917({ \
918 unsigned int __res; \
919 __asm__ __volatile__( \
920 "mfps\t%0, %1" \
70342287 921 : "=r" (__res) \
1da177e4
LT
922 : "i" (counter)); \
923 \
70342287 924 __res; \
1da177e4
LT
925})
926
70342287 927#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
928do { \
929 __asm__ __volatile__( \
930 "mtps\t%0, %1" \
931 : \
932 : "r" (val), "i" (counter)); \
933} while (0)
934
935
936/*
937 * Macros to access the system control coprocessor
938 */
939
940#define __read_32bit_c0_register(source, sel) \
82eb8f73 941({ unsigned int __res; \
1da177e4
LT
942 if (sel == 0) \
943 __asm__ __volatile__( \
944 "mfc0\t%0, " #source "\n\t" \
945 : "=r" (__res)); \
946 else \
947 __asm__ __volatile__( \
948 ".set\tmips32\n\t" \
949 "mfc0\t%0, " #source ", " #sel "\n\t" \
950 ".set\tmips0\n\t" \
951 : "=r" (__res)); \
952 __res; \
953})
954
955#define __read_64bit_c0_register(source, sel) \
956({ unsigned long long __res; \
957 if (sizeof(unsigned long) == 4) \
958 __res = __read_64bit_c0_split(source, sel); \
959 else if (sel == 0) \
960 __asm__ __volatile__( \
961 ".set\tmips3\n\t" \
962 "dmfc0\t%0, " #source "\n\t" \
963 ".set\tmips0" \
964 : "=r" (__res)); \
965 else \
966 __asm__ __volatile__( \
967 ".set\tmips64\n\t" \
968 "dmfc0\t%0, " #source ", " #sel "\n\t" \
969 ".set\tmips0" \
970 : "=r" (__res)); \
971 __res; \
972})
973
974#define __write_32bit_c0_register(register, sel, value) \
975do { \
976 if (sel == 0) \
977 __asm__ __volatile__( \
978 "mtc0\t%z0, " #register "\n\t" \
0952e290 979 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
980 else \
981 __asm__ __volatile__( \
982 ".set\tmips32\n\t" \
983 "mtc0\t%z0, " #register ", " #sel "\n\t" \
984 ".set\tmips0" \
0952e290 985 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
986} while (0)
987
988#define __write_64bit_c0_register(register, sel, value) \
989do { \
990 if (sizeof(unsigned long) == 4) \
991 __write_64bit_c0_split(register, sel, value); \
992 else if (sel == 0) \
993 __asm__ __volatile__( \
994 ".set\tmips3\n\t" \
995 "dmtc0\t%z0, " #register "\n\t" \
996 ".set\tmips0" \
997 : : "Jr" (value)); \
998 else \
999 __asm__ __volatile__( \
1000 ".set\tmips64\n\t" \
1001 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
1002 ".set\tmips0" \
1003 : : "Jr" (value)); \
1004} while (0)
1005
1006#define __read_ulong_c0_register(reg, sel) \
1007 ((sizeof(unsigned long) == 4) ? \
1008 (unsigned long) __read_32bit_c0_register(reg, sel) : \
1009 (unsigned long) __read_64bit_c0_register(reg, sel))
1010
1011#define __write_ulong_c0_register(reg, sel, val) \
1012do { \
1013 if (sizeof(unsigned long) == 4) \
1014 __write_32bit_c0_register(reg, sel, val); \
1015 else \
1016 __write_64bit_c0_register(reg, sel, val); \
1017} while (0)
1018
1019/*
1020 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1021 */
1022#define __read_32bit_c0_ctrl_register(source) \
82eb8f73 1023({ unsigned int __res; \
1da177e4
LT
1024 __asm__ __volatile__( \
1025 "cfc0\t%0, " #source "\n\t" \
1026 : "=r" (__res)); \
1027 __res; \
1028})
1029
1030#define __write_32bit_c0_ctrl_register(register, value) \
1031do { \
1032 __asm__ __volatile__( \
1033 "ctc0\t%z0, " #register "\n\t" \
0952e290 1034 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
1035} while (0)
1036
1037/*
1038 * These versions are only needed for systems with more than 38 bits of
1039 * physical address space running the 32-bit kernel. That's none atm :-)
1040 */
1041#define __read_64bit_c0_split(source, sel) \
1042({ \
87d43dd4
AN
1043 unsigned long long __val; \
1044 unsigned long __flags; \
1da177e4 1045 \
87d43dd4 1046 local_irq_save(__flags); \
1da177e4
LT
1047 if (sel == 0) \
1048 __asm__ __volatile__( \
1049 ".set\tmips64\n\t" \
1050 "dmfc0\t%M0, " #source "\n\t" \
1051 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1052 "dsra\t%M0, %M0, 32\n\t" \
1053 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1054 ".set\tmips0" \
87d43dd4 1055 : "=r" (__val)); \
1da177e4
LT
1056 else \
1057 __asm__ __volatile__( \
1058 ".set\tmips64\n\t" \
1059 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1060 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1061 "dsra\t%M0, %M0, 32\n\t" \
1062 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1063 ".set\tmips0" \
87d43dd4
AN
1064 : "=r" (__val)); \
1065 local_irq_restore(__flags); \
1da177e4 1066 \
87d43dd4 1067 __val; \
1da177e4
LT
1068})
1069
1070#define __write_64bit_c0_split(source, sel, val) \
1071do { \
87d43dd4 1072 unsigned long __flags; \
1da177e4 1073 \
87d43dd4 1074 local_irq_save(__flags); \
1da177e4
LT
1075 if (sel == 0) \
1076 __asm__ __volatile__( \
1077 ".set\tmips64\n\t" \
1078 "dsll\t%L0, %L0, 32\n\t" \
1079 "dsrl\t%L0, %L0, 32\n\t" \
1080 "dsll\t%M0, %M0, 32\n\t" \
1081 "or\t%L0, %L0, %M0\n\t" \
1082 "dmtc0\t%L0, " #source "\n\t" \
1083 ".set\tmips0" \
1084 : : "r" (val)); \
1085 else \
1086 __asm__ __volatile__( \
1087 ".set\tmips64\n\t" \
1088 "dsll\t%L0, %L0, 32\n\t" \
1089 "dsrl\t%L0, %L0, 32\n\t" \
1090 "dsll\t%M0, %M0, 32\n\t" \
1091 "or\t%L0, %L0, %M0\n\t" \
1092 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1093 ".set\tmips0" \
1094 : : "r" (val)); \
87d43dd4 1095 local_irq_restore(__flags); \
1da177e4
LT
1096} while (0)
1097
23d06e4f
SH
1098#define __readx_32bit_c0_register(source) \
1099({ \
1100 unsigned int __res; \
1101 \
1102 __asm__ __volatile__( \
1103 " .set push \n" \
1104 " .set noat \n" \
1105 " .set mips32r2 \n" \
1106 " .insn \n" \
1107 " # mfhc0 $1, %1 \n" \
1108 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
1109 " move %0, $1 \n" \
1110 " .set pop \n" \
1111 : "=r" (__res) \
1112 : "i" (source)); \
1113 __res; \
1114})
1115
1116#define __writex_32bit_c0_register(register, value) \
1117do { \
1118 __asm__ __volatile__( \
1119 " .set push \n" \
1120 " .set noat \n" \
1121 " .set mips32r2 \n" \
1122 " move $1, %0 \n" \
1123 " # mthc0 $1, %1 \n" \
1124 " .insn \n" \
1125 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
1126 " .set pop \n" \
1127 : \
1128 : "r" (value), "i" (register)); \
1129} while (0)
1130
1da177e4
LT
1131#define read_c0_index() __read_32bit_c0_register($0, 0)
1132#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1133
272bace7
RB
1134#define read_c0_random() __read_32bit_c0_register($1, 0)
1135#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1136
1da177e4
LT
1137#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1138#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1139
23d06e4f
SH
1140#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1141#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1142
1da177e4
LT
1143#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1144#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1145
23d06e4f
SH
1146#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1147#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1148
1da177e4
LT
1149#define read_c0_conf() __read_32bit_c0_register($3, 0)
1150#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1151
1152#define read_c0_context() __read_ulong_c0_register($4, 0)
1153#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1154
a3692020 1155#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1156#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1157
1da177e4
LT
1158#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1159#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1160
9fe2e9d6 1161#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1162#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1163
1da177e4
LT
1164#define read_c0_wired() __read_32bit_c0_register($6, 0)
1165#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1166
1167#define read_c0_info() __read_32bit_c0_register($7, 0)
1168
70342287 1169#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1170#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1171
15c4f67a
RB
1172#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1173#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1174
1da177e4
LT
1175#define read_c0_count() __read_32bit_c0_register($9, 0)
1176#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1177
bdf21b18
PP
1178#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1179#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1180
1181#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1182#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1183
1da177e4
LT
1184#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1185#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1186
1187#define read_c0_compare() __read_32bit_c0_register($11, 0)
1188#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1189
bdf21b18
PP
1190#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1191#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1192
1193#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1194#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1195
1da177e4 1196#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1197
1da177e4
LT
1198#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1199
1200#define read_c0_cause() __read_32bit_c0_register($13, 0)
1201#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1202
1203#define read_c0_epc() __read_ulong_c0_register($14, 0)
1204#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1205
1206#define read_c0_prid() __read_32bit_c0_register($15, 0)
1207
4dd8ee5d
PB
1208#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1209
1da177e4
LT
1210#define read_c0_config() __read_32bit_c0_register($16, 0)
1211#define read_c0_config1() __read_32bit_c0_register($16, 1)
1212#define read_c0_config2() __read_32bit_c0_register($16, 2)
1213#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1214#define read_c0_config4() __read_32bit_c0_register($16, 4)
1215#define read_c0_config5() __read_32bit_c0_register($16, 5)
1216#define read_c0_config6() __read_32bit_c0_register($16, 6)
1217#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1218#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1219#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1220#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1221#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1222#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1223#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1224#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1225#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1226
b55b9e27
MC
1227#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1228#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1229#define read_c0_maar() __read_ulong_c0_register($17, 1)
1230#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1231#define read_c0_maari() __read_32bit_c0_register($17, 2)
1232#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1233
1da177e4 1234/*
25985edc 1235 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1236 */
1237#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1238#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1239#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1240#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1241#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1242#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1243#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1244#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1245#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1246#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1247#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1248#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1249#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1250#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1251#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1252#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1253
1254/*
25985edc 1255 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1256 */
1257#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1258#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1259#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1260#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1261#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1262#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1263#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1264#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1265
1266#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1267#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1268#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1269#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1270#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1271#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1272#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1273#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1274
1275#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1276#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1277
1278#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1279#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1280
1281#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1282#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1283
1da177e4
LT
1284#define read_c0_diag() __read_32bit_c0_register($22, 0)
1285#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1286
8d5ded16
JK
1287/* R10K CP0 Branch Diagnostic register is 64bits wide */
1288#define read_c0_r10k_diag() __read_64bit_c0_register($22, 0)
1289#define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1290
1da177e4
LT
1291#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1292#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1293
1294#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1295#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1296
1297#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1298#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1299
1300#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1301#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1302
1303#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1304#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1305
1306#define read_c0_debug() __read_32bit_c0_register($23, 0)
1307#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1308
1309#define read_c0_depc() __read_ulong_c0_register($24, 0)
1310#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1311
1312/*
1313 * MIPS32 / MIPS64 performance counters
1314 */
1315#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1316#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1317#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1318#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1319#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1320#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1321#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1322#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1323#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1324#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1325#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1326#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1327#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1328#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1329#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1330#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1331#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1332#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1333#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1334#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1335#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1336#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1337#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1338#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1339
1da177e4
LT
1340#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1341#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1342
1343#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1344#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1345
1346#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1347
1348#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1349#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1350
1351#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1352#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1353
41c594ab
RB
1354#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1355#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1356
af231172
KC
1357#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1358#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1359
1360#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1361#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1362
1da177e4
LT
1363#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1364#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1365
1366#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1367#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1368
7a0fc58c 1369/* MIPSR2 */
21a151d8 1370#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1371#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1372
1373#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1374#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1375
1376#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1377#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1378
1379#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1380#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1381
21a151d8 1382#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1383#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1384
9b3274bd
JH
1385#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1386#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1387
4a0156fb
SH
1388/* MIPSR3 */
1389#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1390#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1391
1392#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1393#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1394
1395#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1396#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1397
87d08bc9
MC
1398/* Hardware Page Table Walker */
1399#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1400#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1401
1402#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1403#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1404
1405#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1406#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1407
1408#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1409#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1410
ed918c2d
DD
1411/* Cavium OCTEON (cnMIPS) */
1412#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1413#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1414
1415#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1416#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1417
1418#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1419#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1420/*
70342287 1421 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1422 * 64 bits wide.
1423 */
1424#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1425#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1426
1427#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1428#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1429
af231172
KC
1430/* BMIPS3300 */
1431#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1432#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1433
1434#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1435#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1436
1437#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1438#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1439
020232f1 1440/* BMIPS43xx */
af231172
KC
1441#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1442#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1443
1444#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1445#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1446
1447#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1448#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1449
1450#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1451#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1452
1453#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1454#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1455
1456/* BMIPS5000 */
1457#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1458#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1459
1460#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1461#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1462
1463#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1464#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1465
1466#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1467#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1468
1469#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1470#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1471
1472#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1473#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1474
1da177e4
LT
1475/*
1476 * Macros to access the floating point coprocessor control registers
1477 */
842dfc11 1478#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310 1479({ \
c46a2f01 1480 unsigned int __res; \
b9688310
SH
1481 \
1482 __asm__ __volatile__( \
1483 " .set push \n" \
1484 " .set reorder \n" \
1485 " # gas fails to assemble cfc1 for some archs, \n" \
1486 " # like Octeon. \n" \
1487 " .set mips1 \n" \
842dfc11 1488 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1489 " cfc1 %0,"STR(source)" \n" \
1490 " .set pop \n" \
1491 : "=r" (__res)); \
1492 __res; \
1493})
1da177e4 1494
5e32033e
JH
1495#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
1496do { \
1497 __asm__ __volatile__( \
1498 " .set push \n" \
1499 " .set reorder \n" \
1500 " "STR(gas_hardfloat)" \n" \
1501 " ctc1 %0,"STR(dest)" \n" \
1502 " .set pop \n" \
1503 : : "r" (val)); \
1504} while (0)
1505
842dfc11
ML
1506#ifdef GAS_HAS_SET_HARDFLOAT
1507#define read_32bit_cp1_register(source) \
1508 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
1509#define write_32bit_cp1_register(dest, val) \
1510 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
1511#else
1512#define read_32bit_cp1_register(source) \
1513 _read_32bit_cp1_register(source, )
5e32033e
JH
1514#define write_32bit_cp1_register(dest, val) \
1515 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
1516#endif
1517
32a7ede6 1518#ifdef HAVE_AS_DSP
e50c0a8f
RB
1519#define rddsp(mask) \
1520({ \
32a7ede6 1521 unsigned int __dspctl; \
e50c0a8f
RB
1522 \
1523 __asm__ __volatile__( \
63c2b681
FF
1524 " .set push \n" \
1525 " .set dsp \n" \
32a7ede6 1526 " rddsp %0, %x1 \n" \
63c2b681 1527 " .set pop \n" \
32a7ede6 1528 : "=r" (__dspctl) \
e50c0a8f 1529 : "i" (mask)); \
32a7ede6 1530 __dspctl; \
e50c0a8f
RB
1531})
1532
1533#define wrdsp(val, mask) \
1534do { \
e50c0a8f 1535 __asm__ __volatile__( \
63c2b681
FF
1536 " .set push \n" \
1537 " .set dsp \n" \
32a7ede6 1538 " wrdsp %0, %x1 \n" \
63c2b681 1539 " .set pop \n" \
70342287 1540 : \
e50c0a8f 1541 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1542} while (0)
1543
63c2b681
FF
1544#define mflo0() \
1545({ \
1546 long mflo0; \
1547 __asm__( \
1548 " .set push \n" \
1549 " .set dsp \n" \
1550 " mflo %0, $ac0 \n" \
1551 " .set pop \n" \
1552 : "=r" (mflo0)); \
1553 mflo0; \
1554})
1555
1556#define mflo1() \
1557({ \
1558 long mflo1; \
1559 __asm__( \
1560 " .set push \n" \
1561 " .set dsp \n" \
1562 " mflo %0, $ac1 \n" \
1563 " .set pop \n" \
1564 : "=r" (mflo1)); \
1565 mflo1; \
1566})
1567
1568#define mflo2() \
1569({ \
1570 long mflo2; \
1571 __asm__( \
1572 " .set push \n" \
1573 " .set dsp \n" \
1574 " mflo %0, $ac2 \n" \
1575 " .set pop \n" \
1576 : "=r" (mflo2)); \
1577 mflo2; \
1578})
1579
1580#define mflo3() \
1581({ \
1582 long mflo3; \
1583 __asm__( \
1584 " .set push \n" \
1585 " .set dsp \n" \
1586 " mflo %0, $ac3 \n" \
1587 " .set pop \n" \
1588 : "=r" (mflo3)); \
1589 mflo3; \
1590})
1591
1592#define mfhi0() \
1593({ \
1594 long mfhi0; \
1595 __asm__( \
1596 " .set push \n" \
1597 " .set dsp \n" \
1598 " mfhi %0, $ac0 \n" \
1599 " .set pop \n" \
1600 : "=r" (mfhi0)); \
1601 mfhi0; \
1602})
1603
1604#define mfhi1() \
1605({ \
1606 long mfhi1; \
1607 __asm__( \
1608 " .set push \n" \
1609 " .set dsp \n" \
1610 " mfhi %0, $ac1 \n" \
1611 " .set pop \n" \
1612 : "=r" (mfhi1)); \
1613 mfhi1; \
1614})
1615
1616#define mfhi2() \
1617({ \
1618 long mfhi2; \
1619 __asm__( \
1620 " .set push \n" \
1621 " .set dsp \n" \
1622 " mfhi %0, $ac2 \n" \
1623 " .set pop \n" \
1624 : "=r" (mfhi2)); \
1625 mfhi2; \
1626})
1627
1628#define mfhi3() \
1629({ \
1630 long mfhi3; \
1631 __asm__( \
1632 " .set push \n" \
1633 " .set dsp \n" \
1634 " mfhi %0, $ac3 \n" \
1635 " .set pop \n" \
1636 : "=r" (mfhi3)); \
1637 mfhi3; \
1638})
1639
1640
1641#define mtlo0(x) \
1642({ \
1643 __asm__( \
1644 " .set push \n" \
1645 " .set dsp \n" \
1646 " mtlo %0, $ac0 \n" \
1647 " .set pop \n" \
1648 : \
1649 : "r" (x)); \
1650})
1651
1652#define mtlo1(x) \
1653({ \
1654 __asm__( \
1655 " .set push \n" \
1656 " .set dsp \n" \
1657 " mtlo %0, $ac1 \n" \
1658 " .set pop \n" \
1659 : \
1660 : "r" (x)); \
1661})
1662
1663#define mtlo2(x) \
1664({ \
1665 __asm__( \
1666 " .set push \n" \
1667 " .set dsp \n" \
1668 " mtlo %0, $ac2 \n" \
1669 " .set pop \n" \
1670 : \
1671 : "r" (x)); \
1672})
1673
1674#define mtlo3(x) \
1675({ \
1676 __asm__( \
1677 " .set push \n" \
1678 " .set dsp \n" \
1679 " mtlo %0, $ac3 \n" \
1680 " .set pop \n" \
1681 : \
1682 : "r" (x)); \
1683})
1684
1685#define mthi0(x) \
1686({ \
1687 __asm__( \
1688 " .set push \n" \
1689 " .set dsp \n" \
1690 " mthi %0, $ac0 \n" \
1691 " .set pop \n" \
1692 : \
1693 : "r" (x)); \
1694})
1695
1696#define mthi1(x) \
1697({ \
1698 __asm__( \
1699 " .set push \n" \
1700 " .set dsp \n" \
1701 " mthi %0, $ac1 \n" \
1702 " .set pop \n" \
1703 : \
1704 : "r" (x)); \
1705})
1706
1707#define mthi2(x) \
1708({ \
1709 __asm__( \
1710 " .set push \n" \
1711 " .set dsp \n" \
1712 " mthi %0, $ac2 \n" \
1713 " .set pop \n" \
1714 : \
1715 : "r" (x)); \
1716})
1717
1718#define mthi3(x) \
1719({ \
1720 __asm__( \
1721 " .set push \n" \
1722 " .set dsp \n" \
1723 " mthi %0, $ac3 \n" \
1724 " .set pop \n" \
1725 : \
1726 : "r" (x)); \
1727})
e50c0a8f
RB
1728
1729#else
1730
d0c1b478
SH
1731#ifdef CONFIG_CPU_MICROMIPS
1732#define rddsp(mask) \
e50c0a8f 1733({ \
d0c1b478 1734 unsigned int __res; \
e50c0a8f
RB
1735 \
1736 __asm__ __volatile__( \
e50c0a8f
RB
1737 " .set push \n" \
1738 " .set noat \n" \
d0c1b478
SH
1739 " # rddsp $1, %x1 \n" \
1740 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1741 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1742 " move %0, $1 \n" \
e50c0a8f 1743 " .set pop \n" \
d0c1b478
SH
1744 : "=r" (__res) \
1745 : "i" (mask)); \
1746 __res; \
1747})
e50c0a8f 1748
d0c1b478 1749#define wrdsp(val, mask) \
e50c0a8f
RB
1750do { \
1751 __asm__ __volatile__( \
1752 " .set push \n" \
1753 " .set noat \n" \
1754 " move $1, %0 \n" \
d0c1b478
SH
1755 " # wrdsp $1, %x1 \n" \
1756 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1757 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1758 " .set pop \n" \
1759 : \
d0c1b478 1760 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1761} while (0)
1762
d0c1b478
SH
1763#define _umips_dsp_mfxxx(ins) \
1764({ \
1765 unsigned long __treg; \
1766 \
e50c0a8f
RB
1767 __asm__ __volatile__( \
1768 " .set push \n" \
1769 " .set noat \n" \
d0c1b478
SH
1770 " .hword 0x0001 \n" \
1771 " .hword %x1 \n" \
1772 " move %0, $1 \n" \
e50c0a8f 1773 " .set pop \n" \
d0c1b478
SH
1774 : "=r" (__treg) \
1775 : "i" (ins)); \
1776 __treg; \
1777})
e50c0a8f 1778
d0c1b478 1779#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1780do { \
1781 __asm__ __volatile__( \
1782 " .set push \n" \
1783 " .set noat \n" \
1784 " move $1, %0 \n" \
d0c1b478
SH
1785 " .hword 0x0001 \n" \
1786 " .hword %x1 \n" \
e50c0a8f
RB
1787 " .set pop \n" \
1788 : \
d0c1b478 1789 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1790} while (0)
1791
d0c1b478
SH
1792#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1793#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1794
1795#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1796#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1797
1798#define mflo0() _umips_dsp_mflo(0)
1799#define mflo1() _umips_dsp_mflo(1)
1800#define mflo2() _umips_dsp_mflo(2)
1801#define mflo3() _umips_dsp_mflo(3)
1802
1803#define mfhi0() _umips_dsp_mfhi(0)
1804#define mfhi1() _umips_dsp_mfhi(1)
1805#define mfhi2() _umips_dsp_mfhi(2)
1806#define mfhi3() _umips_dsp_mfhi(3)
1807
1808#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1809#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1810#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1811#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1812
1813#define mthi0(x) _umips_dsp_mthi(x, 0)
1814#define mthi1(x) _umips_dsp_mthi(x, 1)
1815#define mthi2(x) _umips_dsp_mthi(x, 2)
1816#define mthi3(x) _umips_dsp_mthi(x, 3)
1817
1818#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1819#define rddsp(mask) \
1820({ \
1821 unsigned int __res; \
1822 \
e50c0a8f 1823 __asm__ __volatile__( \
32a7ede6
SH
1824 " .set push \n" \
1825 " .set noat \n" \
1826 " # rddsp $1, %x1 \n" \
1827 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1828 " move %0, $1 \n" \
1829 " .set pop \n" \
1830 : "=r" (__res) \
1831 : "i" (mask)); \
1832 __res; \
1833})
e50c0a8f 1834
32a7ede6 1835#define wrdsp(val, mask) \
e50c0a8f
RB
1836do { \
1837 __asm__ __volatile__( \
1838 " .set push \n" \
1839 " .set noat \n" \
1840 " move $1, %0 \n" \
32a7ede6
SH
1841 " # wrdsp $1, %x1 \n" \
1842 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1843 " .set pop \n" \
32a7ede6
SH
1844 : \
1845 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1846} while (0)
1847
4cb764b4 1848#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1849({ \
1850 unsigned long __treg; \
1851 \
e50c0a8f
RB
1852 __asm__ __volatile__( \
1853 " .set push \n" \
1854 " .set noat \n" \
4cb764b4
SH
1855 " .word (0x00000810 | %1) \n" \
1856 " move %0, $1 \n" \
e50c0a8f 1857 " .set pop \n" \
4cb764b4
SH
1858 : "=r" (__treg) \
1859 : "i" (ins)); \
1860 __treg; \
1861})
e50c0a8f 1862
4cb764b4 1863#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1864do { \
1865 __asm__ __volatile__( \
1866 " .set push \n" \
1867 " .set noat \n" \
1868 " move $1, %0 \n" \
4cb764b4 1869 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1870 " .set pop \n" \
1871 : \
4cb764b4 1872 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1873} while (0)
1874
4cb764b4
SH
1875#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1876#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1877
4cb764b4
SH
1878#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1879#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1880
4cb764b4
SH
1881#define mflo0() _dsp_mflo(0)
1882#define mflo1() _dsp_mflo(1)
1883#define mflo2() _dsp_mflo(2)
1884#define mflo3() _dsp_mflo(3)
e50c0a8f 1885
4cb764b4
SH
1886#define mfhi0() _dsp_mfhi(0)
1887#define mfhi1() _dsp_mfhi(1)
1888#define mfhi2() _dsp_mfhi(2)
1889#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1890
4cb764b4
SH
1891#define mtlo0(x) _dsp_mtlo(x, 0)
1892#define mtlo1(x) _dsp_mtlo(x, 1)
1893#define mtlo2(x) _dsp_mtlo(x, 2)
1894#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1895
4cb764b4
SH
1896#define mthi0(x) _dsp_mthi(x, 0)
1897#define mthi1(x) _dsp_mthi(x, 1)
1898#define mthi2(x) _dsp_mthi(x, 2)
1899#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1900
d0c1b478 1901#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1902#endif
1903
1da177e4
LT
1904/*
1905 * TLB operations.
1906 *
1907 * It is responsibility of the caller to take care of any TLB hazards.
1908 */
1909static inline void tlb_probe(void)
1910{
1911 __asm__ __volatile__(
1912 ".set noreorder\n\t"
1913 "tlbp\n\t"
1914 ".set reorder");
1915}
1916
1917static inline void tlb_read(void)
1918{
9267a30d
MSJ
1919#if MIPS34K_MISSED_ITLB_WAR
1920 int res = 0;
1921
1922 __asm__ __volatile__(
1923 " .set push \n"
1924 " .set noreorder \n"
1925 " .set noat \n"
1926 " .set mips32r2 \n"
1927 " .word 0x41610001 # dvpe $1 \n"
1928 " move %0, $1 \n"
1929 " ehb \n"
1930 " .set pop \n"
1931 : "=r" (res));
1932
1933 instruction_hazard();
1934#endif
1935
1da177e4
LT
1936 __asm__ __volatile__(
1937 ".set noreorder\n\t"
1938 "tlbr\n\t"
1939 ".set reorder");
9267a30d
MSJ
1940
1941#if MIPS34K_MISSED_ITLB_WAR
1942 if ((res & _ULCAST_(1)))
1943 __asm__ __volatile__(
1944 " .set push \n"
1945 " .set noreorder \n"
1946 " .set noat \n"
1947 " .set mips32r2 \n"
1948 " .word 0x41600021 # evpe \n"
1949 " ehb \n"
1950 " .set pop \n");
1951#endif
1da177e4
LT
1952}
1953
1954static inline void tlb_write_indexed(void)
1955{
1956 __asm__ __volatile__(
1957 ".set noreorder\n\t"
1958 "tlbwi\n\t"
1959 ".set reorder");
1960}
1961
1962static inline void tlb_write_random(void)
1963{
1964 __asm__ __volatile__(
1965 ".set noreorder\n\t"
1966 "tlbwr\n\t"
1967 ".set reorder");
1968}
1969
1970/*
1971 * Manipulate bits in a c0 register.
1972 */
1973#define __BUILD_SET_C0(name) \
1974static inline unsigned int \
1975set_c0_##name(unsigned int set) \
1976{ \
89e18eb3 1977 unsigned int res, new; \
1da177e4
LT
1978 \
1979 res = read_c0_##name(); \
89e18eb3
RB
1980 new = res | set; \
1981 write_c0_##name(new); \
1da177e4
LT
1982 \
1983 return res; \
1984} \
1985 \
1986static inline unsigned int \
1987clear_c0_##name(unsigned int clear) \
1988{ \
89e18eb3 1989 unsigned int res, new; \
1da177e4
LT
1990 \
1991 res = read_c0_##name(); \
89e18eb3
RB
1992 new = res & ~clear; \
1993 write_c0_##name(new); \
1da177e4
LT
1994 \
1995 return res; \
1996} \
1997 \
1998static inline unsigned int \
89e18eb3 1999change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 2000{ \
89e18eb3 2001 unsigned int res, new; \
1da177e4
LT
2002 \
2003 res = read_c0_##name(); \
89e18eb3
RB
2004 new = res & ~change; \
2005 new |= (val & change); \
2006 write_c0_##name(new); \
1da177e4
LT
2007 \
2008 return res; \
2009}
2010
2011__BUILD_SET_C0(status)
2012__BUILD_SET_C0(cause)
2013__BUILD_SET_C0(config)
7f65afb9 2014__BUILD_SET_C0(config5)
1da177e4 2015__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
2016__BUILD_SET_C0(intctl)
2017__BUILD_SET_C0(srsmap)
a5770df0 2018__BUILD_SET_C0(pagegrain)
020232f1
KC
2019__BUILD_SET_C0(brcm_config_0)
2020__BUILD_SET_C0(brcm_bus_pll)
2021__BUILD_SET_C0(brcm_reset)
2022__BUILD_SET_C0(brcm_cmt_intr)
2023__BUILD_SET_C0(brcm_cmt_ctrl)
2024__BUILD_SET_C0(brcm_config)
2025__BUILD_SET_C0(brcm_mode)
1da177e4 2026
45b585c8
DD
2027/*
2028 * Return low 10 bits of ebase.
2029 * Note that under KVM (MIPSVZ) this returns vcpu id.
2030 */
2031static inline unsigned int get_ebase_cpunum(void)
2032{
2033 return read_c0_ebase() & 0x3ff;
2034}
2035
1da177e4
LT
2036#endif /* !__ASSEMBLY__ */
2037
2038#endif /* _ASM_MIPSREGS_H */