MIPS: ATH79: Add irq chip ar7240-misc-intc
[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)
1da177e4
LT
490#define MIPS_CONF_AR (_ULCAST_(7) << 10)
491#define MIPS_CONF_AT (_ULCAST_(3) << 13)
492#define MIPS_CONF_M (_ULCAST_(1) << 31)
493
4194318c
RB
494/*
495 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
496 */
70342287
RB
497#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
498#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
499#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
500#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
501#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
502#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
503#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
504#define MIPS_CONF1_DA_SHF 7
505#define MIPS_CONF1_DA_SZ 3
70342287 506#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
507#define MIPS_CONF1_DL_SHF 10
508#define MIPS_CONF1_DL_SZ 3
4194318c 509#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
510#define MIPS_CONF1_DS_SHF 13
511#define MIPS_CONF1_DS_SZ 3
4194318c 512#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
513#define MIPS_CONF1_IA_SHF 16
514#define MIPS_CONF1_IA_SZ 3
4194318c 515#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
516#define MIPS_CONF1_IL_SHF 19
517#define MIPS_CONF1_IL_SZ 3
4194318c 518#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
519#define MIPS_CONF1_IS_SHF 22
520#define MIPS_CONF1_IS_SZ 3
4194318c 521#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
522#define MIPS_CONF1_TLBS_SHIFT (25)
523#define MIPS_CONF1_TLBS_SIZE (6)
524#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 525
70342287
RB
526#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
527#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
528#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
529#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
530#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
531#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
532#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
533#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
534
70342287
RB
535#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
536#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
537#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 538#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
539#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
540#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
541#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
542#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
543#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
544#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 545#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 546#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 547#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 548#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 549#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 550#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
551#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
552#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
553#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 554#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
555#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
556#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
557#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
558#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
559#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
560#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
561#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
562
563#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 564#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba 565#define MIPS_CONF4_FTLBSETS_SHIFT (0)
691038ba
LY
566#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
567#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
568#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
569#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
570/* bits 10:8 in FTLB-only configurations */
571#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
572/* bits 12:8 in VTLB-FTLB only configurations */
573#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
1b362e3e
DD
574#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
575#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
691038ba
LY
576#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
577#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
578#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16)
579#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
580#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
581#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
582#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
583#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
1b362e3e 584
2f9ee82c
RB
585#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
586#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
e19d5dba 587#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
5aed9da1 588#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
23d06e4f 589#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
5ff04a84
PB
590#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
591#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
592#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
593#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
594#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
595#define MIPS_CONF5_K (_ULCAST_(1) << 30)
596
006a851b 597#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
598/* proAptiv FTLB on/off bit */
599#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
cf0a8aa0
MC
600/* FTLB probability bits */
601#define MIPS_CONF6_FTLBP_SHIFT (16)
006a851b 602
4b3e975e
RB
603#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
604
9267a30d
MSJ
605#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
606
02dc6bfb
MC
607#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
608#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
20a7f7e5
MC
609/* FTLB probability bits for R6 */
610#define MIPS_CONF7_FTLBP_SHIFT (18)
02dc6bfb 611
e19d5dba
PB
612/* MAAR bit definitions */
613#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
614#define MIPS_MAAR_ADDR_SHIFT 12
615#define MIPS_MAAR_S (_ULCAST_(1) << 1)
616#define MIPS_MAAR_V (_ULCAST_(1) << 0)
617
4dd8ee5d
PB
618/* CMGCRBase bit definitions */
619#define MIPS_CMGCRB_BASE 11
620#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
621
4a0156fb
SH
622/*
623 * Bits in the MIPS32 Memory Segmentation registers.
624 */
625#define MIPS_SEGCFG_PA_SHIFT 9
626#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
627#define MIPS_SEGCFG_AM_SHIFT 4
628#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
629#define MIPS_SEGCFG_EU_SHIFT 3
630#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
631#define MIPS_SEGCFG_C_SHIFT 0
632#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
633
634#define MIPS_SEGCFG_UUSK _ULCAST_(7)
635#define MIPS_SEGCFG_USK _ULCAST_(5)
636#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
637#define MIPS_SEGCFG_MUSK _ULCAST_(3)
638#define MIPS_SEGCFG_MSK _ULCAST_(2)
639#define MIPS_SEGCFG_MK _ULCAST_(1)
640#define MIPS_SEGCFG_UK _ULCAST_(0)
641
87d08bc9
MC
642#define MIPS_PWFIELD_GDI_SHIFT 24
643#define MIPS_PWFIELD_GDI_MASK 0x3f000000
644#define MIPS_PWFIELD_UDI_SHIFT 18
645#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
646#define MIPS_PWFIELD_MDI_SHIFT 12
647#define MIPS_PWFIELD_MDI_MASK 0x0003f000
648#define MIPS_PWFIELD_PTI_SHIFT 6
649#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
650#define MIPS_PWFIELD_PTEI_SHIFT 0
651#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
652
653#define MIPS_PWSIZE_GDW_SHIFT 24
654#define MIPS_PWSIZE_GDW_MASK 0x3f000000
655#define MIPS_PWSIZE_UDW_SHIFT 18
656#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
657#define MIPS_PWSIZE_MDW_SHIFT 12
658#define MIPS_PWSIZE_MDW_MASK 0x0003f000
659#define MIPS_PWSIZE_PTW_SHIFT 6
660#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
661#define MIPS_PWSIZE_PTEW_SHIFT 0
662#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
663
664#define MIPS_PWCTL_PWEN_SHIFT 31
665#define MIPS_PWCTL_PWEN_MASK 0x80000000
666#define MIPS_PWCTL_DPH_SHIFT 7
667#define MIPS_PWCTL_DPH_MASK 0x00000080
668#define MIPS_PWCTL_HUGEPG_SHIFT 6
669#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
670#define MIPS_PWCTL_PSN_SHIFT 0
671#define MIPS_PWCTL_PSN_MASK 0x0000003f
672
9b3274bd
JH
673/* CDMMBase register bit definitions */
674#define MIPS_CDMMBASE_SIZE_SHIFT 0
675#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
676#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
677#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
678#define MIPS_CDMMBASE_ADDR_SHIFT 11
679#define MIPS_CDMMBASE_ADDR_START 15
680
e08384ca
MR
681/*
682 * Bitfields in the TX39 family CP0 Configuration Register 3
683 */
684#define TX39_CONF_ICS_SHIFT 19
685#define TX39_CONF_ICS_MASK 0x00380000
686#define TX39_CONF_ICS_1KB 0x00000000
687#define TX39_CONF_ICS_2KB 0x00080000
688#define TX39_CONF_ICS_4KB 0x00100000
689#define TX39_CONF_ICS_8KB 0x00180000
690#define TX39_CONF_ICS_16KB 0x00200000
691
692#define TX39_CONF_DCS_SHIFT 16
693#define TX39_CONF_DCS_MASK 0x00070000
694#define TX39_CONF_DCS_1KB 0x00000000
695#define TX39_CONF_DCS_2KB 0x00010000
696#define TX39_CONF_DCS_4KB 0x00020000
697#define TX39_CONF_DCS_8KB 0x00030000
698#define TX39_CONF_DCS_16KB 0x00040000
699
700#define TX39_CONF_CWFON 0x00004000
701#define TX39_CONF_WBON 0x00002000
702#define TX39_CONF_RF_SHIFT 10
703#define TX39_CONF_RF_MASK 0x00000c00
704#define TX39_CONF_DOZE 0x00000200
705#define TX39_CONF_HALT 0x00000100
706#define TX39_CONF_LOCK 0x00000080
707#define TX39_CONF_ICE 0x00000020
708#define TX39_CONF_DCE 0x00000010
709#define TX39_CONF_IRSIZE_SHIFT 2
710#define TX39_CONF_IRSIZE_MASK 0x0000000c
711#define TX39_CONF_DRSIZE_SHIFT 0
712#define TX39_CONF_DRSIZE_MASK 0x00000003
713
8d5ded16
JK
714/*
715 * Interesting Bits in the R10K CP0 Branch Diagnostic Register
716 */
717/* Disable Branch Target Address Cache */
718#define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27)
719/* Enable Branch Prediction Global History */
720#define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26)
721/* Disable Branch Return Cache */
722#define R10K_DIAG_D_BRC (_ULCAST_(1) << 22)
fda51906
MR
723
724/*
725 * Coprocessor 1 (FPU) register names
726 */
c491cfa2
MR
727#define CP1_REVISION $0
728#define CP1_UFR $1
729#define CP1_UNFR $4
730#define CP1_FCCR $25
731#define CP1_FEXR $26
732#define CP1_FENR $28
733#define CP1_STATUS $31
fda51906
MR
734
735
736/*
737 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
738 */
739#define MIPS_FPIR_S (_ULCAST_(1) << 16)
740#define MIPS_FPIR_D (_ULCAST_(1) << 17)
741#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
742#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
743#define MIPS_FPIR_W (_ULCAST_(1) << 20)
744#define MIPS_FPIR_L (_ULCAST_(1) << 21)
745#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
f1f3b7eb
MR
746#define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
747#define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
fda51906
MR
748#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
749
c491cfa2
MR
750/*
751 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
752 */
753#define MIPS_FCCR_CONDX_S 0
754#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
755#define MIPS_FCCR_COND0_S 0
756#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
757#define MIPS_FCCR_COND1_S 1
758#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
759#define MIPS_FCCR_COND2_S 2
760#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
761#define MIPS_FCCR_COND3_S 3
762#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
763#define MIPS_FCCR_COND4_S 4
764#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
765#define MIPS_FCCR_COND5_S 5
766#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
767#define MIPS_FCCR_COND6_S 6
768#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
769#define MIPS_FCCR_COND7_S 7
770#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
771
772/*
773 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
774 */
775#define MIPS_FENR_FS_S 2
776#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
777
fda51906
MR
778/*
779 * FPU Status Register Values
780 */
c491cfa2
MR
781#define FPU_CSR_COND_S 23 /* $fcc0 */
782#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
783
784#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
785#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
786
787#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
788#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
789#define FPU_CSR_COND1_S 25 /* $fcc1 */
790#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
791#define FPU_CSR_COND2_S 26 /* $fcc2 */
792#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
793#define FPU_CSR_COND3_S 27 /* $fcc3 */
794#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
795#define FPU_CSR_COND4_S 28 /* $fcc4 */
796#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
797#define FPU_CSR_COND5_S 29 /* $fcc5 */
798#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
799#define FPU_CSR_COND6_S 30 /* $fcc6 */
800#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
801#define FPU_CSR_COND7_S 31 /* $fcc7 */
802#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
fda51906
MR
803
804/*
f1f3b7eb 805 * Bits 22:20 of the FPU Status Register will be read as 0,
fda51906
MR
806 * and should be written as zero.
807 */
f1f3b7eb
MR
808#define FPU_CSR_RSVD (_ULCAST_(7) << 20)
809
810#define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
811#define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
fda51906
MR
812
813/*
814 * X the exception cause indicator
815 * E the exception enable
816 * S the sticky/flag bit
817*/
818#define FPU_CSR_ALL_X 0x0003f000
819#define FPU_CSR_UNI_X 0x00020000
820#define FPU_CSR_INV_X 0x00010000
821#define FPU_CSR_DIV_X 0x00008000
822#define FPU_CSR_OVF_X 0x00004000
823#define FPU_CSR_UDF_X 0x00002000
824#define FPU_CSR_INE_X 0x00001000
825
826#define FPU_CSR_ALL_E 0x00000f80
827#define FPU_CSR_INV_E 0x00000800
828#define FPU_CSR_DIV_E 0x00000400
829#define FPU_CSR_OVF_E 0x00000200
830#define FPU_CSR_UDF_E 0x00000100
831#define FPU_CSR_INE_E 0x00000080
832
833#define FPU_CSR_ALL_S 0x0000007c
834#define FPU_CSR_INV_S 0x00000040
835#define FPU_CSR_DIV_S 0x00000020
836#define FPU_CSR_OVF_S 0x00000010
837#define FPU_CSR_UDF_S 0x00000008
838#define FPU_CSR_INE_S 0x00000004
839
840/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
841#define FPU_CSR_RM 0x00000003
842#define FPU_CSR_RN 0x0 /* nearest */
843#define FPU_CSR_RZ 0x1 /* towards zero */
844#define FPU_CSR_RU 0x2 /* towards +Infinity */
845#define FPU_CSR_RD 0x3 /* towards -Infinity */
846
847
1da177e4
LT
848#ifndef __ASSEMBLY__
849
bfd08baa 850/*
377cb1b6 851 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 852 */
377cb1b6
RB
853#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
854 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
855#define get_isa16_mode(x) ((x) & 0x1)
856#define msk_isa16_mode(x) ((x) & ~0x1)
857#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
858#else
859#define get_isa16_mode(x) 0
860#define msk_isa16_mode(x) (x)
861#define set_isa16_mode(x) do { } while(0)
862#endif
bfd08baa
SH
863
864/*
865 * microMIPS instructions can be 16-bit or 32-bit in length. This
866 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
867 */
868static inline int mm_insn_16bit(u16 insn)
869{
870 u16 opcode = (insn >> 10) & 0x7;
871
872 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
873}
874
198bb4ce
LY
875/*
876 * TLB Invalidate Flush
877 */
878static inline void tlbinvf(void)
879{
880 __asm__ __volatile__(
881 ".set push\n\t"
882 ".set noreorder\n\t"
883 ".word 0x42000004\n\t" /* tlbinvf */
884 ".set pop");
885}
886
887
1da177e4 888/*
70342287 889 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
890 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
891 * performance counter number encoded into bits 1 ... 5 of the instruction.
892 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
893 * disassembler these will look like an access to sel 0 or 1.
894 */
895#define read_r10k_perf_cntr(counter) \
896({ \
897 unsigned int __res; \
898 __asm__ __volatile__( \
899 "mfpc\t%0, %1" \
70342287 900 : "=r" (__res) \
1da177e4
LT
901 : "i" (counter)); \
902 \
70342287 903 __res; \
1da177e4
LT
904})
905
70342287 906#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
907do { \
908 __asm__ __volatile__( \
909 "mtpc\t%0, %1" \
910 : \
911 : "r" (val), "i" (counter)); \
912} while (0)
913
914#define read_r10k_perf_event(counter) \
915({ \
916 unsigned int __res; \
917 __asm__ __volatile__( \
918 "mfps\t%0, %1" \
70342287 919 : "=r" (__res) \
1da177e4
LT
920 : "i" (counter)); \
921 \
70342287 922 __res; \
1da177e4
LT
923})
924
70342287 925#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
926do { \
927 __asm__ __volatile__( \
928 "mtps\t%0, %1" \
929 : \
930 : "r" (val), "i" (counter)); \
931} while (0)
932
933
934/*
935 * Macros to access the system control coprocessor
936 */
937
938#define __read_32bit_c0_register(source, sel) \
82eb8f73 939({ unsigned int __res; \
1da177e4
LT
940 if (sel == 0) \
941 __asm__ __volatile__( \
942 "mfc0\t%0, " #source "\n\t" \
943 : "=r" (__res)); \
944 else \
945 __asm__ __volatile__( \
946 ".set\tmips32\n\t" \
947 "mfc0\t%0, " #source ", " #sel "\n\t" \
948 ".set\tmips0\n\t" \
949 : "=r" (__res)); \
950 __res; \
951})
952
953#define __read_64bit_c0_register(source, sel) \
954({ unsigned long long __res; \
955 if (sizeof(unsigned long) == 4) \
956 __res = __read_64bit_c0_split(source, sel); \
957 else if (sel == 0) \
958 __asm__ __volatile__( \
959 ".set\tmips3\n\t" \
960 "dmfc0\t%0, " #source "\n\t" \
961 ".set\tmips0" \
962 : "=r" (__res)); \
963 else \
964 __asm__ __volatile__( \
965 ".set\tmips64\n\t" \
966 "dmfc0\t%0, " #source ", " #sel "\n\t" \
967 ".set\tmips0" \
968 : "=r" (__res)); \
969 __res; \
970})
971
972#define __write_32bit_c0_register(register, sel, value) \
973do { \
974 if (sel == 0) \
975 __asm__ __volatile__( \
976 "mtc0\t%z0, " #register "\n\t" \
0952e290 977 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
978 else \
979 __asm__ __volatile__( \
980 ".set\tmips32\n\t" \
981 "mtc0\t%z0, " #register ", " #sel "\n\t" \
982 ".set\tmips0" \
0952e290 983 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
984} while (0)
985
986#define __write_64bit_c0_register(register, sel, value) \
987do { \
988 if (sizeof(unsigned long) == 4) \
989 __write_64bit_c0_split(register, sel, value); \
990 else if (sel == 0) \
991 __asm__ __volatile__( \
992 ".set\tmips3\n\t" \
993 "dmtc0\t%z0, " #register "\n\t" \
994 ".set\tmips0" \
995 : : "Jr" (value)); \
996 else \
997 __asm__ __volatile__( \
998 ".set\tmips64\n\t" \
999 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
1000 ".set\tmips0" \
1001 : : "Jr" (value)); \
1002} while (0)
1003
1004#define __read_ulong_c0_register(reg, sel) \
1005 ((sizeof(unsigned long) == 4) ? \
1006 (unsigned long) __read_32bit_c0_register(reg, sel) : \
1007 (unsigned long) __read_64bit_c0_register(reg, sel))
1008
1009#define __write_ulong_c0_register(reg, sel, val) \
1010do { \
1011 if (sizeof(unsigned long) == 4) \
1012 __write_32bit_c0_register(reg, sel, val); \
1013 else \
1014 __write_64bit_c0_register(reg, sel, val); \
1015} while (0)
1016
1017/*
1018 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1019 */
1020#define __read_32bit_c0_ctrl_register(source) \
82eb8f73 1021({ unsigned int __res; \
1da177e4
LT
1022 __asm__ __volatile__( \
1023 "cfc0\t%0, " #source "\n\t" \
1024 : "=r" (__res)); \
1025 __res; \
1026})
1027
1028#define __write_32bit_c0_ctrl_register(register, value) \
1029do { \
1030 __asm__ __volatile__( \
1031 "ctc0\t%z0, " #register "\n\t" \
0952e290 1032 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
1033} while (0)
1034
1035/*
1036 * These versions are only needed for systems with more than 38 bits of
1037 * physical address space running the 32-bit kernel. That's none atm :-)
1038 */
1039#define __read_64bit_c0_split(source, sel) \
1040({ \
87d43dd4
AN
1041 unsigned long long __val; \
1042 unsigned long __flags; \
1da177e4 1043 \
87d43dd4 1044 local_irq_save(__flags); \
1da177e4
LT
1045 if (sel == 0) \
1046 __asm__ __volatile__( \
1047 ".set\tmips64\n\t" \
1048 "dmfc0\t%M0, " #source "\n\t" \
1049 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1050 "dsra\t%M0, %M0, 32\n\t" \
1051 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1052 ".set\tmips0" \
87d43dd4 1053 : "=r" (__val)); \
1da177e4
LT
1054 else \
1055 __asm__ __volatile__( \
1056 ".set\tmips64\n\t" \
1057 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1058 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1059 "dsra\t%M0, %M0, 32\n\t" \
1060 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1061 ".set\tmips0" \
87d43dd4
AN
1062 : "=r" (__val)); \
1063 local_irq_restore(__flags); \
1da177e4 1064 \
87d43dd4 1065 __val; \
1da177e4
LT
1066})
1067
1068#define __write_64bit_c0_split(source, sel, val) \
1069do { \
87d43dd4 1070 unsigned long __flags; \
1da177e4 1071 \
87d43dd4 1072 local_irq_save(__flags); \
1da177e4
LT
1073 if (sel == 0) \
1074 __asm__ __volatile__( \
1075 ".set\tmips64\n\t" \
1076 "dsll\t%L0, %L0, 32\n\t" \
1077 "dsrl\t%L0, %L0, 32\n\t" \
1078 "dsll\t%M0, %M0, 32\n\t" \
1079 "or\t%L0, %L0, %M0\n\t" \
1080 "dmtc0\t%L0, " #source "\n\t" \
1081 ".set\tmips0" \
1082 : : "r" (val)); \
1083 else \
1084 __asm__ __volatile__( \
1085 ".set\tmips64\n\t" \
1086 "dsll\t%L0, %L0, 32\n\t" \
1087 "dsrl\t%L0, %L0, 32\n\t" \
1088 "dsll\t%M0, %M0, 32\n\t" \
1089 "or\t%L0, %L0, %M0\n\t" \
1090 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1091 ".set\tmips0" \
1092 : : "r" (val)); \
87d43dd4 1093 local_irq_restore(__flags); \
1da177e4
LT
1094} while (0)
1095
23d06e4f
SH
1096#define __readx_32bit_c0_register(source) \
1097({ \
1098 unsigned int __res; \
1099 \
1100 __asm__ __volatile__( \
1101 " .set push \n" \
1102 " .set noat \n" \
1103 " .set mips32r2 \n" \
1104 " .insn \n" \
1105 " # mfhc0 $1, %1 \n" \
1106 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
1107 " move %0, $1 \n" \
1108 " .set pop \n" \
1109 : "=r" (__res) \
1110 : "i" (source)); \
1111 __res; \
1112})
1113
1114#define __writex_32bit_c0_register(register, value) \
1115do { \
1116 __asm__ __volatile__( \
1117 " .set push \n" \
1118 " .set noat \n" \
1119 " .set mips32r2 \n" \
1120 " move $1, %0 \n" \
1121 " # mthc0 $1, %1 \n" \
1122 " .insn \n" \
1123 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
1124 " .set pop \n" \
1125 : \
1126 : "r" (value), "i" (register)); \
1127} while (0)
1128
1da177e4
LT
1129#define read_c0_index() __read_32bit_c0_register($0, 0)
1130#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1131
272bace7
RB
1132#define read_c0_random() __read_32bit_c0_register($1, 0)
1133#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1134
1da177e4
LT
1135#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1136#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1137
23d06e4f
SH
1138#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1139#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1140
1da177e4
LT
1141#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1142#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1143
23d06e4f
SH
1144#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1145#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1146
1da177e4
LT
1147#define read_c0_conf() __read_32bit_c0_register($3, 0)
1148#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1149
1150#define read_c0_context() __read_ulong_c0_register($4, 0)
1151#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1152
a3692020 1153#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1154#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1155
1da177e4
LT
1156#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1157#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1158
9fe2e9d6 1159#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1160#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1161
1da177e4
LT
1162#define read_c0_wired() __read_32bit_c0_register($6, 0)
1163#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1164
1165#define read_c0_info() __read_32bit_c0_register($7, 0)
1166
70342287 1167#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1168#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1169
15c4f67a
RB
1170#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1171#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1172
1da177e4
LT
1173#define read_c0_count() __read_32bit_c0_register($9, 0)
1174#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1175
bdf21b18
PP
1176#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1177#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1178
1179#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1180#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1181
1da177e4
LT
1182#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1183#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1184
1185#define read_c0_compare() __read_32bit_c0_register($11, 0)
1186#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1187
bdf21b18
PP
1188#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1189#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1190
1191#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1192#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1193
1da177e4 1194#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1195
1da177e4
LT
1196#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1197
1198#define read_c0_cause() __read_32bit_c0_register($13, 0)
1199#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1200
1201#define read_c0_epc() __read_ulong_c0_register($14, 0)
1202#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1203
1204#define read_c0_prid() __read_32bit_c0_register($15, 0)
1205
4dd8ee5d
PB
1206#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1207
1da177e4
LT
1208#define read_c0_config() __read_32bit_c0_register($16, 0)
1209#define read_c0_config1() __read_32bit_c0_register($16, 1)
1210#define read_c0_config2() __read_32bit_c0_register($16, 2)
1211#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1212#define read_c0_config4() __read_32bit_c0_register($16, 4)
1213#define read_c0_config5() __read_32bit_c0_register($16, 5)
1214#define read_c0_config6() __read_32bit_c0_register($16, 6)
1215#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1216#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1217#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1218#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1219#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1220#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1221#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1222#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1223#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1224
b55b9e27
MC
1225#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1226#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1227#define read_c0_maar() __read_ulong_c0_register($17, 1)
1228#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1229#define read_c0_maari() __read_32bit_c0_register($17, 2)
1230#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1231
1da177e4 1232/*
25985edc 1233 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1234 */
1235#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1236#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1237#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1238#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1239#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1240#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1241#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1242#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1243#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1244#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1245#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1246#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1247#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1248#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1249#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1250#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1251
1252/*
25985edc 1253 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1254 */
1255#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1256#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1257#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1258#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1259#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1260#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1261#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1262#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1263
1264#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1265#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1266#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1267#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1268#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1269#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1270#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1271#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1272
1273#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1274#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1275
1276#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1277#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1278
1279#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1280#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1281
1da177e4
LT
1282#define read_c0_diag() __read_32bit_c0_register($22, 0)
1283#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1284
8d5ded16
JK
1285/* R10K CP0 Branch Diagnostic register is 64bits wide */
1286#define read_c0_r10k_diag() __read_64bit_c0_register($22, 0)
1287#define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1288
1da177e4
LT
1289#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1290#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1291
1292#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1293#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1294
1295#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1296#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1297
1298#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1299#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1300
1301#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1302#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1303
1304#define read_c0_debug() __read_32bit_c0_register($23, 0)
1305#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1306
1307#define read_c0_depc() __read_ulong_c0_register($24, 0)
1308#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1309
1310/*
1311 * MIPS32 / MIPS64 performance counters
1312 */
1313#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1314#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1315#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1316#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1317#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1318#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1319#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1320#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1321#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1322#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1323#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1324#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1325#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1326#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1327#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1328#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1329#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1330#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1331#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1332#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1333#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1334#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1335#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1336#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1337
1da177e4
LT
1338#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1339#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1340
1341#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1342#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1343
1344#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1345
1346#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1347#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1348
1349#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1350#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1351
41c594ab
RB
1352#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1353#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1354
af231172
KC
1355#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1356#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1357
1358#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1359#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1360
1da177e4
LT
1361#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1362#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1363
1364#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1365#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1366
7a0fc58c 1367/* MIPSR2 */
21a151d8 1368#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1369#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1370
1371#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1372#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1373
1374#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1375#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1376
1377#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1378#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1379
21a151d8 1380#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1381#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1382
9b3274bd
JH
1383#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1384#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1385
4a0156fb
SH
1386/* MIPSR3 */
1387#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1388#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1389
1390#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1391#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1392
1393#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1394#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1395
87d08bc9
MC
1396/* Hardware Page Table Walker */
1397#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1398#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1399
1400#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1401#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1402
1403#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1404#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1405
1406#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1407#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1408
ed918c2d
DD
1409/* Cavium OCTEON (cnMIPS) */
1410#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1411#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1412
1413#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1414#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1415
1416#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1417#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1418/*
70342287 1419 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1420 * 64 bits wide.
1421 */
1422#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1423#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1424
1425#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1426#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1427
af231172
KC
1428/* BMIPS3300 */
1429#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1430#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1431
1432#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1433#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1434
1435#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1436#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1437
020232f1 1438/* BMIPS43xx */
af231172
KC
1439#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1440#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1441
1442#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1443#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1444
1445#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1446#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1447
1448#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1449#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1450
1451#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1452#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1453
1454/* BMIPS5000 */
1455#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1456#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1457
1458#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1459#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1460
1461#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1462#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1463
1464#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1465#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1466
1467#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1468#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1469
1470#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1471#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1472
1da177e4
LT
1473/*
1474 * Macros to access the floating point coprocessor control registers
1475 */
842dfc11 1476#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310 1477({ \
c46a2f01 1478 unsigned int __res; \
b9688310
SH
1479 \
1480 __asm__ __volatile__( \
1481 " .set push \n" \
1482 " .set reorder \n" \
1483 " # gas fails to assemble cfc1 for some archs, \n" \
1484 " # like Octeon. \n" \
1485 " .set mips1 \n" \
842dfc11 1486 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1487 " cfc1 %0,"STR(source)" \n" \
1488 " .set pop \n" \
1489 : "=r" (__res)); \
1490 __res; \
1491})
1da177e4 1492
5e32033e
JH
1493#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
1494do { \
1495 __asm__ __volatile__( \
1496 " .set push \n" \
1497 " .set reorder \n" \
1498 " "STR(gas_hardfloat)" \n" \
1499 " ctc1 %0,"STR(dest)" \n" \
1500 " .set pop \n" \
1501 : : "r" (val)); \
1502} while (0)
1503
842dfc11
ML
1504#ifdef GAS_HAS_SET_HARDFLOAT
1505#define read_32bit_cp1_register(source) \
1506 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
1507#define write_32bit_cp1_register(dest, val) \
1508 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
1509#else
1510#define read_32bit_cp1_register(source) \
1511 _read_32bit_cp1_register(source, )
5e32033e
JH
1512#define write_32bit_cp1_register(dest, val) \
1513 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
1514#endif
1515
32a7ede6 1516#ifdef HAVE_AS_DSP
e50c0a8f
RB
1517#define rddsp(mask) \
1518({ \
32a7ede6 1519 unsigned int __dspctl; \
e50c0a8f
RB
1520 \
1521 __asm__ __volatile__( \
63c2b681
FF
1522 " .set push \n" \
1523 " .set dsp \n" \
32a7ede6 1524 " rddsp %0, %x1 \n" \
63c2b681 1525 " .set pop \n" \
32a7ede6 1526 : "=r" (__dspctl) \
e50c0a8f 1527 : "i" (mask)); \
32a7ede6 1528 __dspctl; \
e50c0a8f
RB
1529})
1530
1531#define wrdsp(val, mask) \
1532do { \
e50c0a8f 1533 __asm__ __volatile__( \
63c2b681
FF
1534 " .set push \n" \
1535 " .set dsp \n" \
32a7ede6 1536 " wrdsp %0, %x1 \n" \
63c2b681 1537 " .set pop \n" \
70342287 1538 : \
e50c0a8f 1539 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1540} while (0)
1541
63c2b681
FF
1542#define mflo0() \
1543({ \
1544 long mflo0; \
1545 __asm__( \
1546 " .set push \n" \
1547 " .set dsp \n" \
1548 " mflo %0, $ac0 \n" \
1549 " .set pop \n" \
1550 : "=r" (mflo0)); \
1551 mflo0; \
1552})
1553
1554#define mflo1() \
1555({ \
1556 long mflo1; \
1557 __asm__( \
1558 " .set push \n" \
1559 " .set dsp \n" \
1560 " mflo %0, $ac1 \n" \
1561 " .set pop \n" \
1562 : "=r" (mflo1)); \
1563 mflo1; \
1564})
1565
1566#define mflo2() \
1567({ \
1568 long mflo2; \
1569 __asm__( \
1570 " .set push \n" \
1571 " .set dsp \n" \
1572 " mflo %0, $ac2 \n" \
1573 " .set pop \n" \
1574 : "=r" (mflo2)); \
1575 mflo2; \
1576})
1577
1578#define mflo3() \
1579({ \
1580 long mflo3; \
1581 __asm__( \
1582 " .set push \n" \
1583 " .set dsp \n" \
1584 " mflo %0, $ac3 \n" \
1585 " .set pop \n" \
1586 : "=r" (mflo3)); \
1587 mflo3; \
1588})
1589
1590#define mfhi0() \
1591({ \
1592 long mfhi0; \
1593 __asm__( \
1594 " .set push \n" \
1595 " .set dsp \n" \
1596 " mfhi %0, $ac0 \n" \
1597 " .set pop \n" \
1598 : "=r" (mfhi0)); \
1599 mfhi0; \
1600})
1601
1602#define mfhi1() \
1603({ \
1604 long mfhi1; \
1605 __asm__( \
1606 " .set push \n" \
1607 " .set dsp \n" \
1608 " mfhi %0, $ac1 \n" \
1609 " .set pop \n" \
1610 : "=r" (mfhi1)); \
1611 mfhi1; \
1612})
1613
1614#define mfhi2() \
1615({ \
1616 long mfhi2; \
1617 __asm__( \
1618 " .set push \n" \
1619 " .set dsp \n" \
1620 " mfhi %0, $ac2 \n" \
1621 " .set pop \n" \
1622 : "=r" (mfhi2)); \
1623 mfhi2; \
1624})
1625
1626#define mfhi3() \
1627({ \
1628 long mfhi3; \
1629 __asm__( \
1630 " .set push \n" \
1631 " .set dsp \n" \
1632 " mfhi %0, $ac3 \n" \
1633 " .set pop \n" \
1634 : "=r" (mfhi3)); \
1635 mfhi3; \
1636})
1637
1638
1639#define mtlo0(x) \
1640({ \
1641 __asm__( \
1642 " .set push \n" \
1643 " .set dsp \n" \
1644 " mtlo %0, $ac0 \n" \
1645 " .set pop \n" \
1646 : \
1647 : "r" (x)); \
1648})
1649
1650#define mtlo1(x) \
1651({ \
1652 __asm__( \
1653 " .set push \n" \
1654 " .set dsp \n" \
1655 " mtlo %0, $ac1 \n" \
1656 " .set pop \n" \
1657 : \
1658 : "r" (x)); \
1659})
1660
1661#define mtlo2(x) \
1662({ \
1663 __asm__( \
1664 " .set push \n" \
1665 " .set dsp \n" \
1666 " mtlo %0, $ac2 \n" \
1667 " .set pop \n" \
1668 : \
1669 : "r" (x)); \
1670})
1671
1672#define mtlo3(x) \
1673({ \
1674 __asm__( \
1675 " .set push \n" \
1676 " .set dsp \n" \
1677 " mtlo %0, $ac3 \n" \
1678 " .set pop \n" \
1679 : \
1680 : "r" (x)); \
1681})
1682
1683#define mthi0(x) \
1684({ \
1685 __asm__( \
1686 " .set push \n" \
1687 " .set dsp \n" \
1688 " mthi %0, $ac0 \n" \
1689 " .set pop \n" \
1690 : \
1691 : "r" (x)); \
1692})
1693
1694#define mthi1(x) \
1695({ \
1696 __asm__( \
1697 " .set push \n" \
1698 " .set dsp \n" \
1699 " mthi %0, $ac1 \n" \
1700 " .set pop \n" \
1701 : \
1702 : "r" (x)); \
1703})
1704
1705#define mthi2(x) \
1706({ \
1707 __asm__( \
1708 " .set push \n" \
1709 " .set dsp \n" \
1710 " mthi %0, $ac2 \n" \
1711 " .set pop \n" \
1712 : \
1713 : "r" (x)); \
1714})
1715
1716#define mthi3(x) \
1717({ \
1718 __asm__( \
1719 " .set push \n" \
1720 " .set dsp \n" \
1721 " mthi %0, $ac3 \n" \
1722 " .set pop \n" \
1723 : \
1724 : "r" (x)); \
1725})
e50c0a8f
RB
1726
1727#else
1728
d0c1b478
SH
1729#ifdef CONFIG_CPU_MICROMIPS
1730#define rddsp(mask) \
e50c0a8f 1731({ \
d0c1b478 1732 unsigned int __res; \
e50c0a8f
RB
1733 \
1734 __asm__ __volatile__( \
e50c0a8f
RB
1735 " .set push \n" \
1736 " .set noat \n" \
d0c1b478
SH
1737 " # rddsp $1, %x1 \n" \
1738 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1739 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1740 " move %0, $1 \n" \
e50c0a8f 1741 " .set pop \n" \
d0c1b478
SH
1742 : "=r" (__res) \
1743 : "i" (mask)); \
1744 __res; \
1745})
e50c0a8f 1746
d0c1b478 1747#define wrdsp(val, mask) \
e50c0a8f
RB
1748do { \
1749 __asm__ __volatile__( \
1750 " .set push \n" \
1751 " .set noat \n" \
1752 " move $1, %0 \n" \
d0c1b478
SH
1753 " # wrdsp $1, %x1 \n" \
1754 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1755 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1756 " .set pop \n" \
1757 : \
d0c1b478 1758 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1759} while (0)
1760
d0c1b478
SH
1761#define _umips_dsp_mfxxx(ins) \
1762({ \
1763 unsigned long __treg; \
1764 \
e50c0a8f
RB
1765 __asm__ __volatile__( \
1766 " .set push \n" \
1767 " .set noat \n" \
d0c1b478
SH
1768 " .hword 0x0001 \n" \
1769 " .hword %x1 \n" \
1770 " move %0, $1 \n" \
e50c0a8f 1771 " .set pop \n" \
d0c1b478
SH
1772 : "=r" (__treg) \
1773 : "i" (ins)); \
1774 __treg; \
1775})
e50c0a8f 1776
d0c1b478 1777#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1778do { \
1779 __asm__ __volatile__( \
1780 " .set push \n" \
1781 " .set noat \n" \
1782 " move $1, %0 \n" \
d0c1b478
SH
1783 " .hword 0x0001 \n" \
1784 " .hword %x1 \n" \
e50c0a8f
RB
1785 " .set pop \n" \
1786 : \
d0c1b478 1787 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1788} while (0)
1789
d0c1b478
SH
1790#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1791#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1792
1793#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1794#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1795
1796#define mflo0() _umips_dsp_mflo(0)
1797#define mflo1() _umips_dsp_mflo(1)
1798#define mflo2() _umips_dsp_mflo(2)
1799#define mflo3() _umips_dsp_mflo(3)
1800
1801#define mfhi0() _umips_dsp_mfhi(0)
1802#define mfhi1() _umips_dsp_mfhi(1)
1803#define mfhi2() _umips_dsp_mfhi(2)
1804#define mfhi3() _umips_dsp_mfhi(3)
1805
1806#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1807#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1808#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1809#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1810
1811#define mthi0(x) _umips_dsp_mthi(x, 0)
1812#define mthi1(x) _umips_dsp_mthi(x, 1)
1813#define mthi2(x) _umips_dsp_mthi(x, 2)
1814#define mthi3(x) _umips_dsp_mthi(x, 3)
1815
1816#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1817#define rddsp(mask) \
1818({ \
1819 unsigned int __res; \
1820 \
e50c0a8f 1821 __asm__ __volatile__( \
32a7ede6
SH
1822 " .set push \n" \
1823 " .set noat \n" \
1824 " # rddsp $1, %x1 \n" \
1825 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1826 " move %0, $1 \n" \
1827 " .set pop \n" \
1828 : "=r" (__res) \
1829 : "i" (mask)); \
1830 __res; \
1831})
e50c0a8f 1832
32a7ede6 1833#define wrdsp(val, mask) \
e50c0a8f
RB
1834do { \
1835 __asm__ __volatile__( \
1836 " .set push \n" \
1837 " .set noat \n" \
1838 " move $1, %0 \n" \
32a7ede6
SH
1839 " # wrdsp $1, %x1 \n" \
1840 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1841 " .set pop \n" \
32a7ede6
SH
1842 : \
1843 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1844} while (0)
1845
4cb764b4 1846#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1847({ \
1848 unsigned long __treg; \
1849 \
e50c0a8f
RB
1850 __asm__ __volatile__( \
1851 " .set push \n" \
1852 " .set noat \n" \
4cb764b4
SH
1853 " .word (0x00000810 | %1) \n" \
1854 " move %0, $1 \n" \
e50c0a8f 1855 " .set pop \n" \
4cb764b4
SH
1856 : "=r" (__treg) \
1857 : "i" (ins)); \
1858 __treg; \
1859})
e50c0a8f 1860
4cb764b4 1861#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1862do { \
1863 __asm__ __volatile__( \
1864 " .set push \n" \
1865 " .set noat \n" \
1866 " move $1, %0 \n" \
4cb764b4 1867 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1868 " .set pop \n" \
1869 : \
4cb764b4 1870 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1871} while (0)
1872
4cb764b4
SH
1873#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1874#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1875
4cb764b4
SH
1876#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1877#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1878
4cb764b4
SH
1879#define mflo0() _dsp_mflo(0)
1880#define mflo1() _dsp_mflo(1)
1881#define mflo2() _dsp_mflo(2)
1882#define mflo3() _dsp_mflo(3)
e50c0a8f 1883
4cb764b4
SH
1884#define mfhi0() _dsp_mfhi(0)
1885#define mfhi1() _dsp_mfhi(1)
1886#define mfhi2() _dsp_mfhi(2)
1887#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1888
4cb764b4
SH
1889#define mtlo0(x) _dsp_mtlo(x, 0)
1890#define mtlo1(x) _dsp_mtlo(x, 1)
1891#define mtlo2(x) _dsp_mtlo(x, 2)
1892#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1893
4cb764b4
SH
1894#define mthi0(x) _dsp_mthi(x, 0)
1895#define mthi1(x) _dsp_mthi(x, 1)
1896#define mthi2(x) _dsp_mthi(x, 2)
1897#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1898
d0c1b478 1899#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1900#endif
1901
1da177e4
LT
1902/*
1903 * TLB operations.
1904 *
1905 * It is responsibility of the caller to take care of any TLB hazards.
1906 */
1907static inline void tlb_probe(void)
1908{
1909 __asm__ __volatile__(
1910 ".set noreorder\n\t"
1911 "tlbp\n\t"
1912 ".set reorder");
1913}
1914
1915static inline void tlb_read(void)
1916{
9267a30d
MSJ
1917#if MIPS34K_MISSED_ITLB_WAR
1918 int res = 0;
1919
1920 __asm__ __volatile__(
1921 " .set push \n"
1922 " .set noreorder \n"
1923 " .set noat \n"
1924 " .set mips32r2 \n"
1925 " .word 0x41610001 # dvpe $1 \n"
1926 " move %0, $1 \n"
1927 " ehb \n"
1928 " .set pop \n"
1929 : "=r" (res));
1930
1931 instruction_hazard();
1932#endif
1933
1da177e4
LT
1934 __asm__ __volatile__(
1935 ".set noreorder\n\t"
1936 "tlbr\n\t"
1937 ".set reorder");
9267a30d
MSJ
1938
1939#if MIPS34K_MISSED_ITLB_WAR
1940 if ((res & _ULCAST_(1)))
1941 __asm__ __volatile__(
1942 " .set push \n"
1943 " .set noreorder \n"
1944 " .set noat \n"
1945 " .set mips32r2 \n"
1946 " .word 0x41600021 # evpe \n"
1947 " ehb \n"
1948 " .set pop \n");
1949#endif
1da177e4
LT
1950}
1951
1952static inline void tlb_write_indexed(void)
1953{
1954 __asm__ __volatile__(
1955 ".set noreorder\n\t"
1956 "tlbwi\n\t"
1957 ".set reorder");
1958}
1959
1960static inline void tlb_write_random(void)
1961{
1962 __asm__ __volatile__(
1963 ".set noreorder\n\t"
1964 "tlbwr\n\t"
1965 ".set reorder");
1966}
1967
1968/*
1969 * Manipulate bits in a c0 register.
1970 */
1971#define __BUILD_SET_C0(name) \
1972static inline unsigned int \
1973set_c0_##name(unsigned int set) \
1974{ \
89e18eb3 1975 unsigned int res, new; \
1da177e4
LT
1976 \
1977 res = read_c0_##name(); \
89e18eb3
RB
1978 new = res | set; \
1979 write_c0_##name(new); \
1da177e4
LT
1980 \
1981 return res; \
1982} \
1983 \
1984static inline unsigned int \
1985clear_c0_##name(unsigned int clear) \
1986{ \
89e18eb3 1987 unsigned int res, new; \
1da177e4
LT
1988 \
1989 res = read_c0_##name(); \
89e18eb3
RB
1990 new = res & ~clear; \
1991 write_c0_##name(new); \
1da177e4
LT
1992 \
1993 return res; \
1994} \
1995 \
1996static inline unsigned int \
89e18eb3 1997change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 1998{ \
89e18eb3 1999 unsigned int res, new; \
1da177e4
LT
2000 \
2001 res = read_c0_##name(); \
89e18eb3
RB
2002 new = res & ~change; \
2003 new |= (val & change); \
2004 write_c0_##name(new); \
1da177e4
LT
2005 \
2006 return res; \
2007}
2008
2009__BUILD_SET_C0(status)
2010__BUILD_SET_C0(cause)
2011__BUILD_SET_C0(config)
7f65afb9 2012__BUILD_SET_C0(config5)
1da177e4 2013__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
2014__BUILD_SET_C0(intctl)
2015__BUILD_SET_C0(srsmap)
a5770df0 2016__BUILD_SET_C0(pagegrain)
020232f1
KC
2017__BUILD_SET_C0(brcm_config_0)
2018__BUILD_SET_C0(brcm_bus_pll)
2019__BUILD_SET_C0(brcm_reset)
2020__BUILD_SET_C0(brcm_cmt_intr)
2021__BUILD_SET_C0(brcm_cmt_ctrl)
2022__BUILD_SET_C0(brcm_config)
2023__BUILD_SET_C0(brcm_mode)
1da177e4 2024
45b585c8
DD
2025/*
2026 * Return low 10 bits of ebase.
2027 * Note that under KVM (MIPSVZ) this returns vcpu id.
2028 */
2029static inline unsigned int get_ebase_cpunum(void)
2030{
2031 return read_c0_ebase() & 0x3ff;
2032}
2033
1da177e4
LT
2034#endif /* !__ASSEMBLY__ */
2035
2036#endif /* _ASM_MIPSREGS_H */