MIPS: Use unsigned int when reading CP0 registers
[linux-2.6-block.git] / arch / mips / include / asm / mipsregs.h
CommitLineData
1da177e4
LT
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
7 * Copyright (C) 2000 Silicon Graphics, Inc.
8 * Modified for further R[236]000 support by Paul M. Antoine, 1996.
9 * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
a3692020 10 * Copyright (C) 2000, 07 MIPS Technologies, Inc.
4194318c 11 * Copyright (C) 2003, 2004 Maciej W. Rozycki
1da177e4
LT
12 */
13#ifndef _ASM_MIPSREGS_H
14#define _ASM_MIPSREGS_H
15
1da177e4 16#include <linux/linkage.h>
87c99203 17#include <linux/types.h>
1da177e4 18#include <asm/hazards.h>
9267a30d 19#include <asm/war.h>
1da177e4
LT
20
21/*
22 * The following macros are especially useful for __asm__
23 * inline assembler.
24 */
25#ifndef __STR
26#define __STR(x) #x
27#endif
28#ifndef STR
29#define STR(x) __STR(x)
30#endif
31
32/*
33 * Configure language
34 */
35#ifdef __ASSEMBLY__
36#define _ULCAST_
37#else
38#define _ULCAST_ (unsigned long)
39#endif
40
41/*
42 * Coprocessor 0 register names
43 */
44#define CP0_INDEX $0
45#define CP0_RANDOM $1
46#define CP0_ENTRYLO0 $2
47#define CP0_ENTRYLO1 $3
48#define CP0_CONF $3
49#define CP0_CONTEXT $4
50#define CP0_PAGEMASK $5
51#define CP0_WIRED $6
52#define CP0_INFO $7
53#define CP0_BADVADDR $8
54#define CP0_COUNT $9
55#define CP0_ENTRYHI $10
56#define CP0_COMPARE $11
57#define CP0_STATUS $12
58#define CP0_CAUSE $13
59#define CP0_EPC $14
60#define CP0_PRID $15
61#define CP0_CONFIG $16
62#define CP0_LLADDR $17
63#define CP0_WATCHLO $18
64#define CP0_WATCHHI $19
65#define CP0_XCONTEXT $20
66#define CP0_FRAMEMASK $21
67#define CP0_DIAGNOSTIC $22
68#define CP0_DEBUG $23
69#define CP0_DEPC $24
70#define CP0_PERFORMANCE $25
71#define CP0_ECC $26
72#define CP0_CACHEERR $27
73#define CP0_TAGLO $28
74#define CP0_TAGHI $29
75#define CP0_ERROREPC $30
76#define CP0_DESAVE $31
77
78/*
79 * R4640/R4650 cp0 register names. These registers are listed
80 * here only for completeness; without MMU these CPUs are not useable
81 * by Linux. A future ELKS port might take make Linux run on them
82 * though ...
83 */
84#define CP0_IBASE $0
85#define CP0_IBOUND $1
86#define CP0_DBASE $2
87#define CP0_DBOUND $3
88#define CP0_CALG $17
89#define CP0_IWATCH $18
90#define CP0_DWATCH $19
91
92/*
93 * Coprocessor 0 Set 1 register names
94 */
95#define CP0_S1_DERRADDR0 $26
96#define CP0_S1_DERRADDR1 $27
97#define CP0_S1_INTCONTROL $20
98
7a0fc58c
RB
99/*
100 * Coprocessor 0 Set 2 register names
101 */
102#define CP0_S2_SRSCTL $12 /* MIPSR2 */
103
104/*
105 * Coprocessor 0 Set 3 register names
106 */
107#define CP0_S3_SRSMAP $12 /* MIPSR2 */
108
1da177e4
LT
109/*
110 * TX39 Series
111 */
112#define CP0_TX39_CACHE $7
113
1da177e4
LT
114
115/*
116 * Values for PageMask register
117 */
118#ifdef CONFIG_CPU_VR41XX
119
120/* Why doesn't stupidity hurt ... */
121
122#define PM_1K 0x00000000
123#define PM_4K 0x00001800
124#define PM_16K 0x00007800
125#define PM_64K 0x0001f800
126#define PM_256K 0x0007f800
127
128#else
129
130#define PM_4K 0x00000000
c52399be 131#define PM_8K 0x00002000
1da177e4 132#define PM_16K 0x00006000
c52399be 133#define PM_32K 0x0000e000
1da177e4 134#define PM_64K 0x0001e000
c52399be 135#define PM_128K 0x0003e000
1da177e4 136#define PM_256K 0x0007e000
c52399be 137#define PM_512K 0x000fe000
1da177e4 138#define PM_1M 0x001fe000
c52399be 139#define PM_2M 0x003fe000
1da177e4 140#define PM_4M 0x007fe000
c52399be 141#define PM_8M 0x00ffe000
1da177e4 142#define PM_16M 0x01ffe000
c52399be 143#define PM_32M 0x03ffe000
1da177e4
LT
144#define PM_64M 0x07ffe000
145#define PM_256M 0x1fffe000
542c1020 146#define PM_1G 0x7fffe000
1da177e4
LT
147
148#endif
149
150/*
151 * Default page size for a given kernel configuration
152 */
153#ifdef CONFIG_PAGE_SIZE_4KB
70342287 154#define PM_DEFAULT_MASK PM_4K
c52399be 155#elif defined(CONFIG_PAGE_SIZE_8KB)
70342287 156#define PM_DEFAULT_MASK PM_8K
1da177e4 157#elif defined(CONFIG_PAGE_SIZE_16KB)
70342287 158#define PM_DEFAULT_MASK PM_16K
c52399be 159#elif defined(CONFIG_PAGE_SIZE_32KB)
70342287 160#define PM_DEFAULT_MASK PM_32K
1da177e4 161#elif defined(CONFIG_PAGE_SIZE_64KB)
70342287 162#define PM_DEFAULT_MASK PM_64K
1da177e4
LT
163#else
164#error Bad page size configuration!
165#endif
166
dd794392
DD
167/*
168 * Default huge tlb size for a given kernel configuration
169 */
170#ifdef CONFIG_PAGE_SIZE_4KB
171#define PM_HUGE_MASK PM_1M
172#elif defined(CONFIG_PAGE_SIZE_8KB)
173#define PM_HUGE_MASK PM_4M
174#elif defined(CONFIG_PAGE_SIZE_16KB)
175#define PM_HUGE_MASK PM_16M
176#elif defined(CONFIG_PAGE_SIZE_32KB)
177#define PM_HUGE_MASK PM_64M
178#elif defined(CONFIG_PAGE_SIZE_64KB)
179#define PM_HUGE_MASK PM_256M
aa1762f4 180#elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
dd794392
DD
181#error Bad page size configuration for hugetlbfs!
182#endif
1da177e4
LT
183
184/*
185 * Values used for computation of new tlb entries
186 */
187#define PL_4K 12
188#define PL_16K 14
189#define PL_64K 16
190#define PL_256K 18
191#define PL_1M 20
192#define PL_4M 22
193#define PL_16M 24
194#define PL_64M 26
195#define PL_256M 28
196
9fe2e9d6
DD
197/*
198 * PageGrain bits
199 */
70342287
RB
200#define PG_RIE (_ULCAST_(1) << 31)
201#define PG_XIE (_ULCAST_(1) << 30)
202#define PG_ELPA (_ULCAST_(1) << 29)
203#define PG_ESP (_ULCAST_(1) << 28)
6575b1d4 204#define PG_IEC (_ULCAST_(1) << 27)
9fe2e9d6 205
1da177e4
LT
206/*
207 * R4x00 interrupt enable / cause bits
208 */
70342287
RB
209#define IE_SW0 (_ULCAST_(1) << 8)
210#define IE_SW1 (_ULCAST_(1) << 9)
211#define IE_IRQ0 (_ULCAST_(1) << 10)
212#define IE_IRQ1 (_ULCAST_(1) << 11)
213#define IE_IRQ2 (_ULCAST_(1) << 12)
214#define IE_IRQ3 (_ULCAST_(1) << 13)
215#define IE_IRQ4 (_ULCAST_(1) << 14)
216#define IE_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
217
218/*
219 * R4x00 interrupt cause bits
220 */
70342287
RB
221#define C_SW0 (_ULCAST_(1) << 8)
222#define C_SW1 (_ULCAST_(1) << 9)
223#define C_IRQ0 (_ULCAST_(1) << 10)
224#define C_IRQ1 (_ULCAST_(1) << 11)
225#define C_IRQ2 (_ULCAST_(1) << 12)
226#define C_IRQ3 (_ULCAST_(1) << 13)
227#define C_IRQ4 (_ULCAST_(1) << 14)
228#define C_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
229
230/*
231 * Bitfields in the R4xx0 cp0 status register
232 */
233#define ST0_IE 0x00000001
234#define ST0_EXL 0x00000002
235#define ST0_ERL 0x00000004
236#define ST0_KSU 0x00000018
237# define KSU_USER 0x00000010
238# define KSU_SUPERVISOR 0x00000008
239# define KSU_KERNEL 0x00000000
240#define ST0_UX 0x00000020
241#define ST0_SX 0x00000040
70342287 242#define ST0_KX 0x00000080
1da177e4
LT
243#define ST0_DE 0x00010000
244#define ST0_CE 0x00020000
245
246/*
247 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
248 * cacheops in userspace. This bit exists only on RM7000 and RM9000
249 * processors.
250 */
251#define ST0_CO 0x08000000
252
253/*
254 * Bitfields in the R[23]000 cp0 status register.
255 */
70342287 256#define ST0_IEC 0x00000001
1da177e4
LT
257#define ST0_KUC 0x00000002
258#define ST0_IEP 0x00000004
259#define ST0_KUP 0x00000008
260#define ST0_IEO 0x00000010
261#define ST0_KUO 0x00000020
262/* bits 6 & 7 are reserved on R[23]000 */
263#define ST0_ISC 0x00010000
264#define ST0_SWC 0x00020000
265#define ST0_CM 0x00080000
266
267/*
268 * Bits specific to the R4640/R4650
269 */
70342287 270#define ST0_UM (_ULCAST_(1) << 4)
1da177e4
LT
271#define ST0_IL (_ULCAST_(1) << 23)
272#define ST0_DL (_ULCAST_(1) << 24)
273
e50c0a8f 274/*
3301edcb 275 * Enable the MIPS MDMX and DSP ASEs
e50c0a8f
RB
276 */
277#define ST0_MX 0x01000000
278
1da177e4
LT
279/*
280 * Status register bits available in all MIPS CPUs.
281 */
282#define ST0_IM 0x0000ff00
70342287
RB
283#define STATUSB_IP0 8
284#define STATUSF_IP0 (_ULCAST_(1) << 8)
285#define STATUSB_IP1 9
286#define STATUSF_IP1 (_ULCAST_(1) << 9)
287#define STATUSB_IP2 10
288#define STATUSF_IP2 (_ULCAST_(1) << 10)
289#define STATUSB_IP3 11
290#define STATUSF_IP3 (_ULCAST_(1) << 11)
291#define STATUSB_IP4 12
292#define STATUSF_IP4 (_ULCAST_(1) << 12)
293#define STATUSB_IP5 13
294#define STATUSF_IP5 (_ULCAST_(1) << 13)
295#define STATUSB_IP6 14
296#define STATUSF_IP6 (_ULCAST_(1) << 14)
297#define STATUSB_IP7 15
298#define STATUSF_IP7 (_ULCAST_(1) << 15)
299#define STATUSB_IP8 0
300#define STATUSF_IP8 (_ULCAST_(1) << 0)
301#define STATUSB_IP9 1
302#define STATUSF_IP9 (_ULCAST_(1) << 1)
303#define STATUSB_IP10 2
304#define STATUSF_IP10 (_ULCAST_(1) << 2)
305#define STATUSB_IP11 3
306#define STATUSF_IP11 (_ULCAST_(1) << 3)
307#define STATUSB_IP12 4
308#define STATUSF_IP12 (_ULCAST_(1) << 4)
309#define STATUSB_IP13 5
310#define STATUSF_IP13 (_ULCAST_(1) << 5)
311#define STATUSB_IP14 6
312#define STATUSF_IP14 (_ULCAST_(1) << 6)
313#define STATUSB_IP15 7
314#define STATUSF_IP15 (_ULCAST_(1) << 7)
1da177e4 315#define ST0_CH 0x00040000
96ffa02d 316#define ST0_NMI 0x00080000
1da177e4
LT
317#define ST0_SR 0x00100000
318#define ST0_TS 0x00200000
319#define ST0_BEV 0x00400000
320#define ST0_RE 0x02000000
321#define ST0_FR 0x04000000
322#define ST0_CU 0xf0000000
323#define ST0_CU0 0x10000000
324#define ST0_CU1 0x20000000
325#define ST0_CU2 0x40000000
326#define ST0_CU3 0x80000000
327#define ST0_XX 0x80000000 /* MIPS IV naming */
328
010c108d
DV
329/*
330 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
010c108d 331 */
9323f84f
JH
332#define INTCTLB_IPFDC 23
333#define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
010c108d
DV
334#define INTCTLB_IPPCI 26
335#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
336#define INTCTLB_IPTI 29
337#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
338
1da177e4
LT
339/*
340 * Bitfields and bit numbers in the coprocessor 0 cause register.
341 *
342 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
343 */
1054533a
MR
344#define CAUSEB_EXCCODE 2
345#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
346#define CAUSEB_IP 8
347#define CAUSEF_IP (_ULCAST_(255) << 8)
70342287
RB
348#define CAUSEB_IP0 8
349#define CAUSEF_IP0 (_ULCAST_(1) << 8)
350#define CAUSEB_IP1 9
351#define CAUSEF_IP1 (_ULCAST_(1) << 9)
352#define CAUSEB_IP2 10
353#define CAUSEF_IP2 (_ULCAST_(1) << 10)
354#define CAUSEB_IP3 11
355#define CAUSEF_IP3 (_ULCAST_(1) << 11)
356#define CAUSEB_IP4 12
357#define CAUSEF_IP4 (_ULCAST_(1) << 12)
358#define CAUSEB_IP5 13
359#define CAUSEF_IP5 (_ULCAST_(1) << 13)
360#define CAUSEB_IP6 14
361#define CAUSEF_IP6 (_ULCAST_(1) << 14)
362#define CAUSEB_IP7 15
363#define CAUSEF_IP7 (_ULCAST_(1) << 15)
1054533a
MR
364#define CAUSEB_FDCI 21
365#define CAUSEF_FDCI (_ULCAST_(1) << 21)
366#define CAUSEB_IV 23
367#define CAUSEF_IV (_ULCAST_(1) << 23)
368#define CAUSEB_PCI 26
369#define CAUSEF_PCI (_ULCAST_(1) << 26)
370#define CAUSEB_CE 28
371#define CAUSEF_CE (_ULCAST_(3) << 28)
372#define CAUSEB_TI 30
373#define CAUSEF_TI (_ULCAST_(1) << 30)
374#define CAUSEB_BD 31
375#define CAUSEF_BD (_ULCAST_(1) << 31)
1da177e4
LT
376
377/*
378 * Bits in the coprocessor 0 config register.
379 */
380/* Generic bits. */
381#define CONF_CM_CACHABLE_NO_WA 0
382#define CONF_CM_CACHABLE_WA 1
383#define CONF_CM_UNCACHED 2
384#define CONF_CM_CACHABLE_NONCOHERENT 3
385#define CONF_CM_CACHABLE_CE 4
386#define CONF_CM_CACHABLE_COW 5
387#define CONF_CM_CACHABLE_CUW 6
388#define CONF_CM_CACHABLE_ACCELERATED 7
389#define CONF_CM_CMASK 7
390#define CONF_BE (_ULCAST_(1) << 15)
391
392/* Bits common to various processors. */
70342287
RB
393#define CONF_CU (_ULCAST_(1) << 3)
394#define CONF_DB (_ULCAST_(1) << 4)
395#define CONF_IB (_ULCAST_(1) << 5)
396#define CONF_DC (_ULCAST_(7) << 6)
397#define CONF_IC (_ULCAST_(7) << 9)
1da177e4
LT
398#define CONF_EB (_ULCAST_(1) << 13)
399#define CONF_EM (_ULCAST_(1) << 14)
400#define CONF_SM (_ULCAST_(1) << 16)
401#define CONF_SC (_ULCAST_(1) << 17)
402#define CONF_EW (_ULCAST_(3) << 18)
403#define CONF_EP (_ULCAST_(15)<< 24)
404#define CONF_EC (_ULCAST_(7) << 28)
405#define CONF_CM (_ULCAST_(1) << 31)
406
70342287 407/* Bits specific to the R4xx0. */
1da177e4
LT
408#define R4K_CONF_SW (_ULCAST_(1) << 20)
409#define R4K_CONF_SS (_ULCAST_(1) << 21)
e20368d5 410#define R4K_CONF_SB (_ULCAST_(3) << 22)
1da177e4 411
70342287 412/* Bits specific to the R5000. */
1da177e4
LT
413#define R5K_CONF_SE (_ULCAST_(1) << 12)
414#define R5K_CONF_SS (_ULCAST_(3) << 20)
415
70342287
RB
416/* Bits specific to the RM7000. */
417#define RM7K_CONF_SE (_ULCAST_(1) << 3)
c6ad7b7d
MR
418#define RM7K_CONF_TE (_ULCAST_(1) << 12)
419#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
420#define RM7K_CONF_TC (_ULCAST_(1) << 17)
421#define RM7K_CONF_SI (_ULCAST_(3) << 20)
422#define RM7K_CONF_SC (_ULCAST_(1) << 31)
ba5187db 423
70342287
RB
424/* Bits specific to the R10000. */
425#define R10K_CONF_DN (_ULCAST_(3) << 3)
426#define R10K_CONF_CT (_ULCAST_(1) << 5)
427#define R10K_CONF_PE (_ULCAST_(1) << 6)
428#define R10K_CONF_PM (_ULCAST_(3) << 7)
429#define R10K_CONF_EC (_ULCAST_(15)<< 9)
1da177e4
LT
430#define R10K_CONF_SB (_ULCAST_(1) << 13)
431#define R10K_CONF_SK (_ULCAST_(1) << 14)
432#define R10K_CONF_SS (_ULCAST_(7) << 16)
433#define R10K_CONF_SC (_ULCAST_(7) << 19)
434#define R10K_CONF_DC (_ULCAST_(7) << 26)
435#define R10K_CONF_IC (_ULCAST_(7) << 29)
436
70342287 437/* Bits specific to the VR41xx. */
1da177e4 438#define VR41_CONF_CS (_ULCAST_(1) << 12)
2874fe55 439#define VR41_CONF_P4K (_ULCAST_(1) << 13)
4e8ab361 440#define VR41_CONF_BP (_ULCAST_(1) << 16)
1da177e4
LT
441#define VR41_CONF_M16 (_ULCAST_(1) << 20)
442#define VR41_CONF_AD (_ULCAST_(1) << 23)
443
70342287 444/* Bits specific to the R30xx. */
1da177e4
LT
445#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
446#define R30XX_CONF_REV (_ULCAST_(1) << 22)
447#define R30XX_CONF_AC (_ULCAST_(1) << 23)
448#define R30XX_CONF_RF (_ULCAST_(1) << 24)
449#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
450#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
451#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
452#define R30XX_CONF_SB (_ULCAST_(1) << 30)
453#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
454
455/* Bits specific to the TX49. */
456#define TX49_CONF_DC (_ULCAST_(1) << 16)
457#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
458#define TX49_CONF_HALT (_ULCAST_(1) << 18)
459#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
460
70342287
RB
461/* Bits specific to the MIPS32/64 PRA. */
462#define MIPS_CONF_MT (_ULCAST_(7) << 7)
1da177e4
LT
463#define MIPS_CONF_AR (_ULCAST_(7) << 10)
464#define MIPS_CONF_AT (_ULCAST_(3) << 13)
465#define MIPS_CONF_M (_ULCAST_(1) << 31)
466
4194318c
RB
467/*
468 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
469 */
70342287
RB
470#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
471#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
472#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
473#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
474#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
475#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
476#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
477#define MIPS_CONF1_DA_SHF 7
478#define MIPS_CONF1_DA_SZ 3
70342287 479#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
480#define MIPS_CONF1_DL_SHF 10
481#define MIPS_CONF1_DL_SZ 3
4194318c 482#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
483#define MIPS_CONF1_DS_SHF 13
484#define MIPS_CONF1_DS_SZ 3
4194318c 485#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
486#define MIPS_CONF1_IA_SHF 16
487#define MIPS_CONF1_IA_SZ 3
4194318c 488#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
489#define MIPS_CONF1_IL_SHF 19
490#define MIPS_CONF1_IL_SZ 3
4194318c 491#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
492#define MIPS_CONF1_IS_SHF 22
493#define MIPS_CONF1_IS_SZ 3
4194318c 494#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
495#define MIPS_CONF1_TLBS_SHIFT (25)
496#define MIPS_CONF1_TLBS_SIZE (6)
497#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 498
70342287
RB
499#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
500#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
501#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
502#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
503#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
504#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
505#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
506#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
507
70342287
RB
508#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
509#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
510#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 511#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
512#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
513#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
514#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
515#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
516#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
517#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 518#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 519#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 520#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 521#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 522#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 523#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
524#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
525#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
526#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 527#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
528#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
529#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
530#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
531#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
532#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
533#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
534#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
535
536#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 537#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba 538#define MIPS_CONF4_FTLBSETS_SHIFT (0)
691038ba
LY
539#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
540#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
541#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
542#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
543/* bits 10:8 in FTLB-only configurations */
544#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
545/* bits 12:8 in VTLB-FTLB only configurations */
546#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
1b362e3e
DD
547#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
548#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
691038ba
LY
549#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
550#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
551#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16)
552#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
553#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
554#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
555#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
556#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
1b362e3e 557
2f9ee82c
RB
558#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
559#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
e19d5dba 560#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
5aed9da1 561#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
23d06e4f 562#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
5ff04a84
PB
563#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
564#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
565#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
566#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
567#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
568#define MIPS_CONF5_K (_ULCAST_(1) << 30)
569
006a851b 570#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
571/* proAptiv FTLB on/off bit */
572#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
cf0a8aa0
MC
573/* FTLB probability bits */
574#define MIPS_CONF6_FTLBP_SHIFT (16)
006a851b 575
4b3e975e
RB
576#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
577
9267a30d
MSJ
578#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
579
02dc6bfb
MC
580#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
581#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
20a7f7e5
MC
582/* FTLB probability bits for R6 */
583#define MIPS_CONF7_FTLBP_SHIFT (18)
02dc6bfb 584
e19d5dba
PB
585/* MAAR bit definitions */
586#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
587#define MIPS_MAAR_ADDR_SHIFT 12
588#define MIPS_MAAR_S (_ULCAST_(1) << 1)
589#define MIPS_MAAR_V (_ULCAST_(1) << 0)
590
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LY
591/* EntryHI bit definition */
592#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
9267a30d 593
8ab6abcb
JH
594/* R3000 EntryLo bit definitions */
595#define R3K_ENTRYLO_G (_ULCAST_(1) << 8)
596#define R3K_ENTRYLO_V (_ULCAST_(1) << 9)
597#define R3K_ENTRYLO_D (_ULCAST_(1) << 10)
598#define R3K_ENTRYLO_N (_ULCAST_(1) << 11)
599
600/* R4000 compatible EntryLo bit definitions */
601#define MIPS_ENTRYLO_G (_ULCAST_(1) << 0)
602#define MIPS_ENTRYLO_V (_ULCAST_(1) << 1)
603#define MIPS_ENTRYLO_D (_ULCAST_(1) << 2)
604#define MIPS_ENTRYLO_C_SHIFT 3
605#define MIPS_ENTRYLO_C (_ULCAST_(7) << MIPS_ENTRYLO_C_SHIFT)
606#ifdef CONFIG_64BIT
607/* as read by dmfc0 */
608#define MIPS_ENTRYLO_XI (_ULCAST_(1) << 62)
609#define MIPS_ENTRYLO_RI (_ULCAST_(1) << 63)
610#else
611/* as read by mfc0 */
612#define MIPS_ENTRYLO_XI (_ULCAST_(1) << 30)
613#define MIPS_ENTRYLO_RI (_ULCAST_(1) << 31)
614#endif
615
4dd8ee5d
PB
616/* CMGCRBase bit definitions */
617#define MIPS_CMGCRB_BASE 11
618#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
619
4a0156fb
SH
620/*
621 * Bits in the MIPS32 Memory Segmentation registers.
622 */
623#define MIPS_SEGCFG_PA_SHIFT 9
624#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
625#define MIPS_SEGCFG_AM_SHIFT 4
626#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
627#define MIPS_SEGCFG_EU_SHIFT 3
628#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
629#define MIPS_SEGCFG_C_SHIFT 0
630#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
631
632#define MIPS_SEGCFG_UUSK _ULCAST_(7)
633#define MIPS_SEGCFG_USK _ULCAST_(5)
634#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
635#define MIPS_SEGCFG_MUSK _ULCAST_(3)
636#define MIPS_SEGCFG_MSK _ULCAST_(2)
637#define MIPS_SEGCFG_MK _ULCAST_(1)
638#define MIPS_SEGCFG_UK _ULCAST_(0)
639
87d08bc9
MC
640#define MIPS_PWFIELD_GDI_SHIFT 24
641#define MIPS_PWFIELD_GDI_MASK 0x3f000000
642#define MIPS_PWFIELD_UDI_SHIFT 18
643#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
644#define MIPS_PWFIELD_MDI_SHIFT 12
645#define MIPS_PWFIELD_MDI_MASK 0x0003f000
646#define MIPS_PWFIELD_PTI_SHIFT 6
647#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
648#define MIPS_PWFIELD_PTEI_SHIFT 0
649#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
650
651#define MIPS_PWSIZE_GDW_SHIFT 24
652#define MIPS_PWSIZE_GDW_MASK 0x3f000000
653#define MIPS_PWSIZE_UDW_SHIFT 18
654#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
655#define MIPS_PWSIZE_MDW_SHIFT 12
656#define MIPS_PWSIZE_MDW_MASK 0x0003f000
657#define MIPS_PWSIZE_PTW_SHIFT 6
658#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
659#define MIPS_PWSIZE_PTEW_SHIFT 0
660#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
661
662#define MIPS_PWCTL_PWEN_SHIFT 31
663#define MIPS_PWCTL_PWEN_MASK 0x80000000
664#define MIPS_PWCTL_DPH_SHIFT 7
665#define MIPS_PWCTL_DPH_MASK 0x00000080
666#define MIPS_PWCTL_HUGEPG_SHIFT 6
667#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
668#define MIPS_PWCTL_PSN_SHIFT 0
669#define MIPS_PWCTL_PSN_MASK 0x0000003f
670
9b3274bd
JH
671/* CDMMBase register bit definitions */
672#define MIPS_CDMMBASE_SIZE_SHIFT 0
673#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
674#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
675#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
676#define MIPS_CDMMBASE_ADDR_SHIFT 11
677#define MIPS_CDMMBASE_ADDR_START 15
678
e08384ca
MR
679/*
680 * Bitfields in the TX39 family CP0 Configuration Register 3
681 */
682#define TX39_CONF_ICS_SHIFT 19
683#define TX39_CONF_ICS_MASK 0x00380000
684#define TX39_CONF_ICS_1KB 0x00000000
685#define TX39_CONF_ICS_2KB 0x00080000
686#define TX39_CONF_ICS_4KB 0x00100000
687#define TX39_CONF_ICS_8KB 0x00180000
688#define TX39_CONF_ICS_16KB 0x00200000
689
690#define TX39_CONF_DCS_SHIFT 16
691#define TX39_CONF_DCS_MASK 0x00070000
692#define TX39_CONF_DCS_1KB 0x00000000
693#define TX39_CONF_DCS_2KB 0x00010000
694#define TX39_CONF_DCS_4KB 0x00020000
695#define TX39_CONF_DCS_8KB 0x00030000
696#define TX39_CONF_DCS_16KB 0x00040000
697
698#define TX39_CONF_CWFON 0x00004000
699#define TX39_CONF_WBON 0x00002000
700#define TX39_CONF_RF_SHIFT 10
701#define TX39_CONF_RF_MASK 0x00000c00
702#define TX39_CONF_DOZE 0x00000200
703#define TX39_CONF_HALT 0x00000100
704#define TX39_CONF_LOCK 0x00000080
705#define TX39_CONF_ICE 0x00000020
706#define TX39_CONF_DCE 0x00000010
707#define TX39_CONF_IRSIZE_SHIFT 2
708#define TX39_CONF_IRSIZE_MASK 0x0000000c
709#define TX39_CONF_DRSIZE_SHIFT 0
710#define TX39_CONF_DRSIZE_MASK 0x00000003
711
8d5ded16
JK
712/*
713 * Interesting Bits in the R10K CP0 Branch Diagnostic Register
714 */
715/* Disable Branch Target Address Cache */
716#define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27)
717/* Enable Branch Prediction Global History */
718#define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26)
719/* Disable Branch Return Cache */
720#define R10K_DIAG_D_BRC (_ULCAST_(1) << 22)
fda51906
MR
721
722/*
723 * Coprocessor 1 (FPU) register names
724 */
c491cfa2
MR
725#define CP1_REVISION $0
726#define CP1_UFR $1
727#define CP1_UNFR $4
728#define CP1_FCCR $25
729#define CP1_FEXR $26
730#define CP1_FENR $28
731#define CP1_STATUS $31
fda51906
MR
732
733
734/*
735 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
736 */
737#define MIPS_FPIR_S (_ULCAST_(1) << 16)
738#define MIPS_FPIR_D (_ULCAST_(1) << 17)
739#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
740#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
741#define MIPS_FPIR_W (_ULCAST_(1) << 20)
742#define MIPS_FPIR_L (_ULCAST_(1) << 21)
743#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
f1f3b7eb
MR
744#define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
745#define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
fda51906
MR
746#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
747
c491cfa2
MR
748/*
749 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
750 */
751#define MIPS_FCCR_CONDX_S 0
752#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
753#define MIPS_FCCR_COND0_S 0
754#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
755#define MIPS_FCCR_COND1_S 1
756#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
757#define MIPS_FCCR_COND2_S 2
758#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
759#define MIPS_FCCR_COND3_S 3
760#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
761#define MIPS_FCCR_COND4_S 4
762#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
763#define MIPS_FCCR_COND5_S 5
764#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
765#define MIPS_FCCR_COND6_S 6
766#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
767#define MIPS_FCCR_COND7_S 7
768#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
769
770/*
771 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
772 */
773#define MIPS_FENR_FS_S 2
774#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
775
fda51906
MR
776/*
777 * FPU Status Register Values
778 */
c491cfa2
MR
779#define FPU_CSR_COND_S 23 /* $fcc0 */
780#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
781
782#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
783#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
784
785#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
786#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
787#define FPU_CSR_COND1_S 25 /* $fcc1 */
788#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
789#define FPU_CSR_COND2_S 26 /* $fcc2 */
790#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
791#define FPU_CSR_COND3_S 27 /* $fcc3 */
792#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
793#define FPU_CSR_COND4_S 28 /* $fcc4 */
794#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
795#define FPU_CSR_COND5_S 29 /* $fcc5 */
796#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
797#define FPU_CSR_COND6_S 30 /* $fcc6 */
798#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
799#define FPU_CSR_COND7_S 31 /* $fcc7 */
800#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
fda51906
MR
801
802/*
f1f3b7eb 803 * Bits 22:20 of the FPU Status Register will be read as 0,
fda51906
MR
804 * and should be written as zero.
805 */
f1f3b7eb
MR
806#define FPU_CSR_RSVD (_ULCAST_(7) << 20)
807
808#define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
809#define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
fda51906
MR
810
811/*
812 * X the exception cause indicator
813 * E the exception enable
814 * S the sticky/flag bit
815*/
816#define FPU_CSR_ALL_X 0x0003f000
817#define FPU_CSR_UNI_X 0x00020000
818#define FPU_CSR_INV_X 0x00010000
819#define FPU_CSR_DIV_X 0x00008000
820#define FPU_CSR_OVF_X 0x00004000
821#define FPU_CSR_UDF_X 0x00002000
822#define FPU_CSR_INE_X 0x00001000
823
824#define FPU_CSR_ALL_E 0x00000f80
825#define FPU_CSR_INV_E 0x00000800
826#define FPU_CSR_DIV_E 0x00000400
827#define FPU_CSR_OVF_E 0x00000200
828#define FPU_CSR_UDF_E 0x00000100
829#define FPU_CSR_INE_E 0x00000080
830
831#define FPU_CSR_ALL_S 0x0000007c
832#define FPU_CSR_INV_S 0x00000040
833#define FPU_CSR_DIV_S 0x00000020
834#define FPU_CSR_OVF_S 0x00000010
835#define FPU_CSR_UDF_S 0x00000008
836#define FPU_CSR_INE_S 0x00000004
837
838/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
839#define FPU_CSR_RM 0x00000003
840#define FPU_CSR_RN 0x0 /* nearest */
841#define FPU_CSR_RZ 0x1 /* towards zero */
842#define FPU_CSR_RU 0x2 /* towards +Infinity */
843#define FPU_CSR_RD 0x3 /* towards -Infinity */
844
845
1da177e4
LT
846#ifndef __ASSEMBLY__
847
bfd08baa 848/*
377cb1b6 849 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 850 */
377cb1b6
RB
851#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
852 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
853#define get_isa16_mode(x) ((x) & 0x1)
854#define msk_isa16_mode(x) ((x) & ~0x1)
855#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
856#else
857#define get_isa16_mode(x) 0
858#define msk_isa16_mode(x) (x)
859#define set_isa16_mode(x) do { } while(0)
860#endif
bfd08baa
SH
861
862/*
863 * microMIPS instructions can be 16-bit or 32-bit in length. This
864 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
865 */
866static inline int mm_insn_16bit(u16 insn)
867{
868 u16 opcode = (insn >> 10) & 0x7;
869
870 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
871}
872
198bb4ce
LY
873/*
874 * TLB Invalidate Flush
875 */
876static inline void tlbinvf(void)
877{
878 __asm__ __volatile__(
879 ".set push\n\t"
880 ".set noreorder\n\t"
881 ".word 0x42000004\n\t" /* tlbinvf */
882 ".set pop");
883}
884
885
1da177e4 886/*
70342287 887 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
888 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
889 * performance counter number encoded into bits 1 ... 5 of the instruction.
890 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
891 * disassembler these will look like an access to sel 0 or 1.
892 */
893#define read_r10k_perf_cntr(counter) \
894({ \
895 unsigned int __res; \
896 __asm__ __volatile__( \
897 "mfpc\t%0, %1" \
70342287 898 : "=r" (__res) \
1da177e4
LT
899 : "i" (counter)); \
900 \
70342287 901 __res; \
1da177e4
LT
902})
903
70342287 904#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
905do { \
906 __asm__ __volatile__( \
907 "mtpc\t%0, %1" \
908 : \
909 : "r" (val), "i" (counter)); \
910} while (0)
911
912#define read_r10k_perf_event(counter) \
913({ \
914 unsigned int __res; \
915 __asm__ __volatile__( \
916 "mfps\t%0, %1" \
70342287 917 : "=r" (__res) \
1da177e4
LT
918 : "i" (counter)); \
919 \
70342287 920 __res; \
1da177e4
LT
921})
922
70342287 923#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
924do { \
925 __asm__ __volatile__( \
926 "mtps\t%0, %1" \
927 : \
928 : "r" (val), "i" (counter)); \
929} while (0)
930
931
932/*
933 * Macros to access the system control coprocessor
934 */
935
936#define __read_32bit_c0_register(source, sel) \
82eb8f73 937({ unsigned int __res; \
1da177e4
LT
938 if (sel == 0) \
939 __asm__ __volatile__( \
940 "mfc0\t%0, " #source "\n\t" \
941 : "=r" (__res)); \
942 else \
943 __asm__ __volatile__( \
944 ".set\tmips32\n\t" \
945 "mfc0\t%0, " #source ", " #sel "\n\t" \
946 ".set\tmips0\n\t" \
947 : "=r" (__res)); \
948 __res; \
949})
950
951#define __read_64bit_c0_register(source, sel) \
952({ unsigned long long __res; \
953 if (sizeof(unsigned long) == 4) \
954 __res = __read_64bit_c0_split(source, sel); \
955 else if (sel == 0) \
956 __asm__ __volatile__( \
957 ".set\tmips3\n\t" \
958 "dmfc0\t%0, " #source "\n\t" \
959 ".set\tmips0" \
960 : "=r" (__res)); \
961 else \
962 __asm__ __volatile__( \
963 ".set\tmips64\n\t" \
964 "dmfc0\t%0, " #source ", " #sel "\n\t" \
965 ".set\tmips0" \
966 : "=r" (__res)); \
967 __res; \
968})
969
970#define __write_32bit_c0_register(register, sel, value) \
971do { \
972 if (sel == 0) \
973 __asm__ __volatile__( \
974 "mtc0\t%z0, " #register "\n\t" \
0952e290 975 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
976 else \
977 __asm__ __volatile__( \
978 ".set\tmips32\n\t" \
979 "mtc0\t%z0, " #register ", " #sel "\n\t" \
980 ".set\tmips0" \
0952e290 981 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
982} while (0)
983
984#define __write_64bit_c0_register(register, sel, value) \
985do { \
986 if (sizeof(unsigned long) == 4) \
987 __write_64bit_c0_split(register, sel, value); \
988 else if (sel == 0) \
989 __asm__ __volatile__( \
990 ".set\tmips3\n\t" \
991 "dmtc0\t%z0, " #register "\n\t" \
992 ".set\tmips0" \
993 : : "Jr" (value)); \
994 else \
995 __asm__ __volatile__( \
996 ".set\tmips64\n\t" \
997 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
998 ".set\tmips0" \
999 : : "Jr" (value)); \
1000} while (0)
1001
1002#define __read_ulong_c0_register(reg, sel) \
1003 ((sizeof(unsigned long) == 4) ? \
1004 (unsigned long) __read_32bit_c0_register(reg, sel) : \
1005 (unsigned long) __read_64bit_c0_register(reg, sel))
1006
1007#define __write_ulong_c0_register(reg, sel, val) \
1008do { \
1009 if (sizeof(unsigned long) == 4) \
1010 __write_32bit_c0_register(reg, sel, val); \
1011 else \
1012 __write_64bit_c0_register(reg, sel, val); \
1013} while (0)
1014
1015/*
1016 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1017 */
1018#define __read_32bit_c0_ctrl_register(source) \
82eb8f73 1019({ unsigned int __res; \
1da177e4
LT
1020 __asm__ __volatile__( \
1021 "cfc0\t%0, " #source "\n\t" \
1022 : "=r" (__res)); \
1023 __res; \
1024})
1025
1026#define __write_32bit_c0_ctrl_register(register, value) \
1027do { \
1028 __asm__ __volatile__( \
1029 "ctc0\t%z0, " #register "\n\t" \
0952e290 1030 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
1031} while (0)
1032
1033/*
1034 * These versions are only needed for systems with more than 38 bits of
1035 * physical address space running the 32-bit kernel. That's none atm :-)
1036 */
1037#define __read_64bit_c0_split(source, sel) \
1038({ \
87d43dd4
AN
1039 unsigned long long __val; \
1040 unsigned long __flags; \
1da177e4 1041 \
87d43dd4 1042 local_irq_save(__flags); \
1da177e4
LT
1043 if (sel == 0) \
1044 __asm__ __volatile__( \
1045 ".set\tmips64\n\t" \
1046 "dmfc0\t%M0, " #source "\n\t" \
1047 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1048 "dsra\t%M0, %M0, 32\n\t" \
1049 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1050 ".set\tmips0" \
87d43dd4 1051 : "=r" (__val)); \
1da177e4
LT
1052 else \
1053 __asm__ __volatile__( \
1054 ".set\tmips64\n\t" \
1055 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1056 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1057 "dsra\t%M0, %M0, 32\n\t" \
1058 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1059 ".set\tmips0" \
87d43dd4
AN
1060 : "=r" (__val)); \
1061 local_irq_restore(__flags); \
1da177e4 1062 \
87d43dd4 1063 __val; \
1da177e4
LT
1064})
1065
1066#define __write_64bit_c0_split(source, sel, val) \
1067do { \
87d43dd4 1068 unsigned long __flags; \
1da177e4 1069 \
87d43dd4 1070 local_irq_save(__flags); \
1da177e4
LT
1071 if (sel == 0) \
1072 __asm__ __volatile__( \
1073 ".set\tmips64\n\t" \
1074 "dsll\t%L0, %L0, 32\n\t" \
1075 "dsrl\t%L0, %L0, 32\n\t" \
1076 "dsll\t%M0, %M0, 32\n\t" \
1077 "or\t%L0, %L0, %M0\n\t" \
1078 "dmtc0\t%L0, " #source "\n\t" \
1079 ".set\tmips0" \
1080 : : "r" (val)); \
1081 else \
1082 __asm__ __volatile__( \
1083 ".set\tmips64\n\t" \
1084 "dsll\t%L0, %L0, 32\n\t" \
1085 "dsrl\t%L0, %L0, 32\n\t" \
1086 "dsll\t%M0, %M0, 32\n\t" \
1087 "or\t%L0, %L0, %M0\n\t" \
1088 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1089 ".set\tmips0" \
1090 : : "r" (val)); \
87d43dd4 1091 local_irq_restore(__flags); \
1da177e4
LT
1092} while (0)
1093
23d06e4f
SH
1094#define __readx_32bit_c0_register(source) \
1095({ \
1096 unsigned int __res; \
1097 \
1098 __asm__ __volatile__( \
1099 " .set push \n" \
1100 " .set noat \n" \
1101 " .set mips32r2 \n" \
1102 " .insn \n" \
1103 " # mfhc0 $1, %1 \n" \
1104 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
1105 " move %0, $1 \n" \
1106 " .set pop \n" \
1107 : "=r" (__res) \
1108 : "i" (source)); \
1109 __res; \
1110})
1111
1112#define __writex_32bit_c0_register(register, value) \
1113do { \
1114 __asm__ __volatile__( \
1115 " .set push \n" \
1116 " .set noat \n" \
1117 " .set mips32r2 \n" \
1118 " move $1, %0 \n" \
1119 " # mthc0 $1, %1 \n" \
1120 " .insn \n" \
1121 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
1122 " .set pop \n" \
1123 : \
1124 : "r" (value), "i" (register)); \
1125} while (0)
1126
1da177e4
LT
1127#define read_c0_index() __read_32bit_c0_register($0, 0)
1128#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1129
272bace7
RB
1130#define read_c0_random() __read_32bit_c0_register($1, 0)
1131#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1132
1da177e4
LT
1133#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1134#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1135
23d06e4f
SH
1136#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1137#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1138
1da177e4
LT
1139#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1140#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1141
23d06e4f
SH
1142#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1143#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1144
1da177e4
LT
1145#define read_c0_conf() __read_32bit_c0_register($3, 0)
1146#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1147
1148#define read_c0_context() __read_ulong_c0_register($4, 0)
1149#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1150
a3692020 1151#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1152#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1153
1da177e4
LT
1154#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1155#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1156
9fe2e9d6 1157#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1158#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1159
1da177e4
LT
1160#define read_c0_wired() __read_32bit_c0_register($6, 0)
1161#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1162
1163#define read_c0_info() __read_32bit_c0_register($7, 0)
1164
70342287 1165#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1166#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1167
15c4f67a
RB
1168#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1169#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1170
1da177e4
LT
1171#define read_c0_count() __read_32bit_c0_register($9, 0)
1172#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1173
bdf21b18
PP
1174#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1175#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1176
1177#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1178#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1179
1da177e4
LT
1180#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1181#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1182
1183#define read_c0_compare() __read_32bit_c0_register($11, 0)
1184#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1185
bdf21b18
PP
1186#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1187#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1188
1189#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1190#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1191
1da177e4 1192#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1193
1da177e4
LT
1194#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1195
1196#define read_c0_cause() __read_32bit_c0_register($13, 0)
1197#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1198
1199#define read_c0_epc() __read_ulong_c0_register($14, 0)
1200#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1201
1202#define read_c0_prid() __read_32bit_c0_register($15, 0)
1203
4dd8ee5d
PB
1204#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1205
1da177e4
LT
1206#define read_c0_config() __read_32bit_c0_register($16, 0)
1207#define read_c0_config1() __read_32bit_c0_register($16, 1)
1208#define read_c0_config2() __read_32bit_c0_register($16, 2)
1209#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1210#define read_c0_config4() __read_32bit_c0_register($16, 4)
1211#define read_c0_config5() __read_32bit_c0_register($16, 5)
1212#define read_c0_config6() __read_32bit_c0_register($16, 6)
1213#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1214#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1215#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1216#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1217#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1218#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1219#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1220#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1221#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1222
b55b9e27
MC
1223#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1224#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1225#define read_c0_maar() __read_ulong_c0_register($17, 1)
1226#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1227#define read_c0_maari() __read_32bit_c0_register($17, 2)
1228#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1229
1da177e4 1230/*
25985edc 1231 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1232 */
1233#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1234#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1235#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1236#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1237#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1238#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1239#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1240#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1241#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1242#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1243#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1244#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1245#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1246#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1247#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1248#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1249
1250/*
25985edc 1251 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1252 */
1253#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1254#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1255#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1256#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1257#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1258#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1259#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1260#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1261
1262#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1263#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1264#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1265#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1266#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1267#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1268#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1269#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1270
1271#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1272#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1273
1274#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1275#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1276
1277#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1278#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1279
1da177e4
LT
1280#define read_c0_diag() __read_32bit_c0_register($22, 0)
1281#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1282
8d5ded16
JK
1283/* R10K CP0 Branch Diagnostic register is 64bits wide */
1284#define read_c0_r10k_diag() __read_64bit_c0_register($22, 0)
1285#define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1286
1da177e4
LT
1287#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1288#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1289
1290#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1291#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1292
1293#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1294#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1295
1296#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1297#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1298
1299#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1300#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1301
1302#define read_c0_debug() __read_32bit_c0_register($23, 0)
1303#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1304
1305#define read_c0_depc() __read_ulong_c0_register($24, 0)
1306#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1307
1308/*
1309 * MIPS32 / MIPS64 performance counters
1310 */
1311#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1312#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1313#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1314#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1315#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1316#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1317#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1318#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1319#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1320#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1321#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1322#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1323#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1324#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1325#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1326#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1327#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1328#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1329#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1330#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1331#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1332#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1333#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1334#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1335
1da177e4
LT
1336#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1337#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1338
1339#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1340#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1341
1342#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1343
1344#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1345#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1346
1347#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1348#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1349
41c594ab
RB
1350#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1351#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1352
af231172
KC
1353#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1354#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1355
1356#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1357#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1358
1da177e4
LT
1359#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1360#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1361
1362#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1363#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1364
7a0fc58c 1365/* MIPSR2 */
21a151d8 1366#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1367#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1368
1369#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1370#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1371
1372#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1373#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1374
1375#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1376#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1377
21a151d8 1378#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1379#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1380
9b3274bd
JH
1381#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1382#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1383
4a0156fb
SH
1384/* MIPSR3 */
1385#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1386#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1387
1388#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1389#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1390
1391#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1392#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1393
87d08bc9
MC
1394/* Hardware Page Table Walker */
1395#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1396#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1397
1398#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1399#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1400
1401#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1402#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1403
1404#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1405#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1406
ed918c2d
DD
1407/* Cavium OCTEON (cnMIPS) */
1408#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1409#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1410
1411#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1412#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1413
1414#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1415#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1416/*
70342287 1417 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1418 * 64 bits wide.
1419 */
1420#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1421#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1422
1423#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1424#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1425
af231172
KC
1426/* BMIPS3300 */
1427#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1428#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1429
1430#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1431#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1432
1433#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1434#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1435
020232f1 1436/* BMIPS43xx */
af231172
KC
1437#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1438#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1439
1440#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1441#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1442
1443#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1444#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1445
1446#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1447#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1448
1449#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1450#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1451
1452/* BMIPS5000 */
1453#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1454#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1455
1456#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1457#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1458
1459#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1460#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1461
1462#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1463#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1464
1465#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1466#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1467
1468#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1469#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1470
1da177e4
LT
1471/*
1472 * Macros to access the floating point coprocessor control registers
1473 */
842dfc11 1474#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310
SH
1475({ \
1476 int __res; \
1477 \
1478 __asm__ __volatile__( \
1479 " .set push \n" \
1480 " .set reorder \n" \
1481 " # gas fails to assemble cfc1 for some archs, \n" \
1482 " # like Octeon. \n" \
1483 " .set mips1 \n" \
842dfc11 1484 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1485 " cfc1 %0,"STR(source)" \n" \
1486 " .set pop \n" \
1487 : "=r" (__res)); \
1488 __res; \
1489})
1da177e4 1490
5e32033e
JH
1491#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
1492do { \
1493 __asm__ __volatile__( \
1494 " .set push \n" \
1495 " .set reorder \n" \
1496 " "STR(gas_hardfloat)" \n" \
1497 " ctc1 %0,"STR(dest)" \n" \
1498 " .set pop \n" \
1499 : : "r" (val)); \
1500} while (0)
1501
842dfc11
ML
1502#ifdef GAS_HAS_SET_HARDFLOAT
1503#define read_32bit_cp1_register(source) \
1504 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
1505#define write_32bit_cp1_register(dest, val) \
1506 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
1507#else
1508#define read_32bit_cp1_register(source) \
1509 _read_32bit_cp1_register(source, )
5e32033e
JH
1510#define write_32bit_cp1_register(dest, val) \
1511 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
1512#endif
1513
32a7ede6 1514#ifdef HAVE_AS_DSP
e50c0a8f
RB
1515#define rddsp(mask) \
1516({ \
32a7ede6 1517 unsigned int __dspctl; \
e50c0a8f
RB
1518 \
1519 __asm__ __volatile__( \
63c2b681
FF
1520 " .set push \n" \
1521 " .set dsp \n" \
32a7ede6 1522 " rddsp %0, %x1 \n" \
63c2b681 1523 " .set pop \n" \
32a7ede6 1524 : "=r" (__dspctl) \
e50c0a8f 1525 : "i" (mask)); \
32a7ede6 1526 __dspctl; \
e50c0a8f
RB
1527})
1528
1529#define wrdsp(val, mask) \
1530do { \
e50c0a8f 1531 __asm__ __volatile__( \
63c2b681
FF
1532 " .set push \n" \
1533 " .set dsp \n" \
32a7ede6 1534 " wrdsp %0, %x1 \n" \
63c2b681 1535 " .set pop \n" \
70342287 1536 : \
e50c0a8f 1537 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1538} while (0)
1539
63c2b681
FF
1540#define mflo0() \
1541({ \
1542 long mflo0; \
1543 __asm__( \
1544 " .set push \n" \
1545 " .set dsp \n" \
1546 " mflo %0, $ac0 \n" \
1547 " .set pop \n" \
1548 : "=r" (mflo0)); \
1549 mflo0; \
1550})
1551
1552#define mflo1() \
1553({ \
1554 long mflo1; \
1555 __asm__( \
1556 " .set push \n" \
1557 " .set dsp \n" \
1558 " mflo %0, $ac1 \n" \
1559 " .set pop \n" \
1560 : "=r" (mflo1)); \
1561 mflo1; \
1562})
1563
1564#define mflo2() \
1565({ \
1566 long mflo2; \
1567 __asm__( \
1568 " .set push \n" \
1569 " .set dsp \n" \
1570 " mflo %0, $ac2 \n" \
1571 " .set pop \n" \
1572 : "=r" (mflo2)); \
1573 mflo2; \
1574})
1575
1576#define mflo3() \
1577({ \
1578 long mflo3; \
1579 __asm__( \
1580 " .set push \n" \
1581 " .set dsp \n" \
1582 " mflo %0, $ac3 \n" \
1583 " .set pop \n" \
1584 : "=r" (mflo3)); \
1585 mflo3; \
1586})
1587
1588#define mfhi0() \
1589({ \
1590 long mfhi0; \
1591 __asm__( \
1592 " .set push \n" \
1593 " .set dsp \n" \
1594 " mfhi %0, $ac0 \n" \
1595 " .set pop \n" \
1596 : "=r" (mfhi0)); \
1597 mfhi0; \
1598})
1599
1600#define mfhi1() \
1601({ \
1602 long mfhi1; \
1603 __asm__( \
1604 " .set push \n" \
1605 " .set dsp \n" \
1606 " mfhi %0, $ac1 \n" \
1607 " .set pop \n" \
1608 : "=r" (mfhi1)); \
1609 mfhi1; \
1610})
1611
1612#define mfhi2() \
1613({ \
1614 long mfhi2; \
1615 __asm__( \
1616 " .set push \n" \
1617 " .set dsp \n" \
1618 " mfhi %0, $ac2 \n" \
1619 " .set pop \n" \
1620 : "=r" (mfhi2)); \
1621 mfhi2; \
1622})
1623
1624#define mfhi3() \
1625({ \
1626 long mfhi3; \
1627 __asm__( \
1628 " .set push \n" \
1629 " .set dsp \n" \
1630 " mfhi %0, $ac3 \n" \
1631 " .set pop \n" \
1632 : "=r" (mfhi3)); \
1633 mfhi3; \
1634})
1635
1636
1637#define mtlo0(x) \
1638({ \
1639 __asm__( \
1640 " .set push \n" \
1641 " .set dsp \n" \
1642 " mtlo %0, $ac0 \n" \
1643 " .set pop \n" \
1644 : \
1645 : "r" (x)); \
1646})
1647
1648#define mtlo1(x) \
1649({ \
1650 __asm__( \
1651 " .set push \n" \
1652 " .set dsp \n" \
1653 " mtlo %0, $ac1 \n" \
1654 " .set pop \n" \
1655 : \
1656 : "r" (x)); \
1657})
1658
1659#define mtlo2(x) \
1660({ \
1661 __asm__( \
1662 " .set push \n" \
1663 " .set dsp \n" \
1664 " mtlo %0, $ac2 \n" \
1665 " .set pop \n" \
1666 : \
1667 : "r" (x)); \
1668})
1669
1670#define mtlo3(x) \
1671({ \
1672 __asm__( \
1673 " .set push \n" \
1674 " .set dsp \n" \
1675 " mtlo %0, $ac3 \n" \
1676 " .set pop \n" \
1677 : \
1678 : "r" (x)); \
1679})
1680
1681#define mthi0(x) \
1682({ \
1683 __asm__( \
1684 " .set push \n" \
1685 " .set dsp \n" \
1686 " mthi %0, $ac0 \n" \
1687 " .set pop \n" \
1688 : \
1689 : "r" (x)); \
1690})
1691
1692#define mthi1(x) \
1693({ \
1694 __asm__( \
1695 " .set push \n" \
1696 " .set dsp \n" \
1697 " mthi %0, $ac1 \n" \
1698 " .set pop \n" \
1699 : \
1700 : "r" (x)); \
1701})
1702
1703#define mthi2(x) \
1704({ \
1705 __asm__( \
1706 " .set push \n" \
1707 " .set dsp \n" \
1708 " mthi %0, $ac2 \n" \
1709 " .set pop \n" \
1710 : \
1711 : "r" (x)); \
1712})
1713
1714#define mthi3(x) \
1715({ \
1716 __asm__( \
1717 " .set push \n" \
1718 " .set dsp \n" \
1719 " mthi %0, $ac3 \n" \
1720 " .set pop \n" \
1721 : \
1722 : "r" (x)); \
1723})
e50c0a8f
RB
1724
1725#else
1726
d0c1b478
SH
1727#ifdef CONFIG_CPU_MICROMIPS
1728#define rddsp(mask) \
e50c0a8f 1729({ \
d0c1b478 1730 unsigned int __res; \
e50c0a8f
RB
1731 \
1732 __asm__ __volatile__( \
e50c0a8f
RB
1733 " .set push \n" \
1734 " .set noat \n" \
d0c1b478
SH
1735 " # rddsp $1, %x1 \n" \
1736 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1737 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1738 " move %0, $1 \n" \
e50c0a8f 1739 " .set pop \n" \
d0c1b478
SH
1740 : "=r" (__res) \
1741 : "i" (mask)); \
1742 __res; \
1743})
e50c0a8f 1744
d0c1b478 1745#define wrdsp(val, mask) \
e50c0a8f
RB
1746do { \
1747 __asm__ __volatile__( \
1748 " .set push \n" \
1749 " .set noat \n" \
1750 " move $1, %0 \n" \
d0c1b478
SH
1751 " # wrdsp $1, %x1 \n" \
1752 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1753 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1754 " .set pop \n" \
1755 : \
d0c1b478 1756 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1757} while (0)
1758
d0c1b478
SH
1759#define _umips_dsp_mfxxx(ins) \
1760({ \
1761 unsigned long __treg; \
1762 \
e50c0a8f
RB
1763 __asm__ __volatile__( \
1764 " .set push \n" \
1765 " .set noat \n" \
d0c1b478
SH
1766 " .hword 0x0001 \n" \
1767 " .hword %x1 \n" \
1768 " move %0, $1 \n" \
e50c0a8f 1769 " .set pop \n" \
d0c1b478
SH
1770 : "=r" (__treg) \
1771 : "i" (ins)); \
1772 __treg; \
1773})
e50c0a8f 1774
d0c1b478 1775#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1776do { \
1777 __asm__ __volatile__( \
1778 " .set push \n" \
1779 " .set noat \n" \
1780 " move $1, %0 \n" \
d0c1b478
SH
1781 " .hword 0x0001 \n" \
1782 " .hword %x1 \n" \
e50c0a8f
RB
1783 " .set pop \n" \
1784 : \
d0c1b478 1785 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1786} while (0)
1787
d0c1b478
SH
1788#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1789#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1790
1791#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1792#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1793
1794#define mflo0() _umips_dsp_mflo(0)
1795#define mflo1() _umips_dsp_mflo(1)
1796#define mflo2() _umips_dsp_mflo(2)
1797#define mflo3() _umips_dsp_mflo(3)
1798
1799#define mfhi0() _umips_dsp_mfhi(0)
1800#define mfhi1() _umips_dsp_mfhi(1)
1801#define mfhi2() _umips_dsp_mfhi(2)
1802#define mfhi3() _umips_dsp_mfhi(3)
1803
1804#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1805#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1806#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1807#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1808
1809#define mthi0(x) _umips_dsp_mthi(x, 0)
1810#define mthi1(x) _umips_dsp_mthi(x, 1)
1811#define mthi2(x) _umips_dsp_mthi(x, 2)
1812#define mthi3(x) _umips_dsp_mthi(x, 3)
1813
1814#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1815#define rddsp(mask) \
1816({ \
1817 unsigned int __res; \
1818 \
e50c0a8f 1819 __asm__ __volatile__( \
32a7ede6
SH
1820 " .set push \n" \
1821 " .set noat \n" \
1822 " # rddsp $1, %x1 \n" \
1823 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1824 " move %0, $1 \n" \
1825 " .set pop \n" \
1826 : "=r" (__res) \
1827 : "i" (mask)); \
1828 __res; \
1829})
e50c0a8f 1830
32a7ede6 1831#define wrdsp(val, mask) \
e50c0a8f
RB
1832do { \
1833 __asm__ __volatile__( \
1834 " .set push \n" \
1835 " .set noat \n" \
1836 " move $1, %0 \n" \
32a7ede6
SH
1837 " # wrdsp $1, %x1 \n" \
1838 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1839 " .set pop \n" \
32a7ede6
SH
1840 : \
1841 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1842} while (0)
1843
4cb764b4 1844#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1845({ \
1846 unsigned long __treg; \
1847 \
e50c0a8f
RB
1848 __asm__ __volatile__( \
1849 " .set push \n" \
1850 " .set noat \n" \
4cb764b4
SH
1851 " .word (0x00000810 | %1) \n" \
1852 " move %0, $1 \n" \
e50c0a8f 1853 " .set pop \n" \
4cb764b4
SH
1854 : "=r" (__treg) \
1855 : "i" (ins)); \
1856 __treg; \
1857})
e50c0a8f 1858
4cb764b4 1859#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1860do { \
1861 __asm__ __volatile__( \
1862 " .set push \n" \
1863 " .set noat \n" \
1864 " move $1, %0 \n" \
4cb764b4 1865 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1866 " .set pop \n" \
1867 : \
4cb764b4 1868 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1869} while (0)
1870
4cb764b4
SH
1871#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1872#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1873
4cb764b4
SH
1874#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1875#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1876
4cb764b4
SH
1877#define mflo0() _dsp_mflo(0)
1878#define mflo1() _dsp_mflo(1)
1879#define mflo2() _dsp_mflo(2)
1880#define mflo3() _dsp_mflo(3)
e50c0a8f 1881
4cb764b4
SH
1882#define mfhi0() _dsp_mfhi(0)
1883#define mfhi1() _dsp_mfhi(1)
1884#define mfhi2() _dsp_mfhi(2)
1885#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1886
4cb764b4
SH
1887#define mtlo0(x) _dsp_mtlo(x, 0)
1888#define mtlo1(x) _dsp_mtlo(x, 1)
1889#define mtlo2(x) _dsp_mtlo(x, 2)
1890#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1891
4cb764b4
SH
1892#define mthi0(x) _dsp_mthi(x, 0)
1893#define mthi1(x) _dsp_mthi(x, 1)
1894#define mthi2(x) _dsp_mthi(x, 2)
1895#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1896
d0c1b478 1897#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1898#endif
1899
1da177e4
LT
1900/*
1901 * TLB operations.
1902 *
1903 * It is responsibility of the caller to take care of any TLB hazards.
1904 */
1905static inline void tlb_probe(void)
1906{
1907 __asm__ __volatile__(
1908 ".set noreorder\n\t"
1909 "tlbp\n\t"
1910 ".set reorder");
1911}
1912
1913static inline void tlb_read(void)
1914{
9267a30d
MSJ
1915#if MIPS34K_MISSED_ITLB_WAR
1916 int res = 0;
1917
1918 __asm__ __volatile__(
1919 " .set push \n"
1920 " .set noreorder \n"
1921 " .set noat \n"
1922 " .set mips32r2 \n"
1923 " .word 0x41610001 # dvpe $1 \n"
1924 " move %0, $1 \n"
1925 " ehb \n"
1926 " .set pop \n"
1927 : "=r" (res));
1928
1929 instruction_hazard();
1930#endif
1931
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LT
1932 __asm__ __volatile__(
1933 ".set noreorder\n\t"
1934 "tlbr\n\t"
1935 ".set reorder");
9267a30d
MSJ
1936
1937#if MIPS34K_MISSED_ITLB_WAR
1938 if ((res & _ULCAST_(1)))
1939 __asm__ __volatile__(
1940 " .set push \n"
1941 " .set noreorder \n"
1942 " .set noat \n"
1943 " .set mips32r2 \n"
1944 " .word 0x41600021 # evpe \n"
1945 " ehb \n"
1946 " .set pop \n");
1947#endif
1da177e4
LT
1948}
1949
1950static inline void tlb_write_indexed(void)
1951{
1952 __asm__ __volatile__(
1953 ".set noreorder\n\t"
1954 "tlbwi\n\t"
1955 ".set reorder");
1956}
1957
1958static inline void tlb_write_random(void)
1959{
1960 __asm__ __volatile__(
1961 ".set noreorder\n\t"
1962 "tlbwr\n\t"
1963 ".set reorder");
1964}
1965
1966/*
1967 * Manipulate bits in a c0 register.
1968 */
1969#define __BUILD_SET_C0(name) \
1970static inline unsigned int \
1971set_c0_##name(unsigned int set) \
1972{ \
89e18eb3 1973 unsigned int res, new; \
1da177e4
LT
1974 \
1975 res = read_c0_##name(); \
89e18eb3
RB
1976 new = res | set; \
1977 write_c0_##name(new); \
1da177e4
LT
1978 \
1979 return res; \
1980} \
1981 \
1982static inline unsigned int \
1983clear_c0_##name(unsigned int clear) \
1984{ \
89e18eb3 1985 unsigned int res, new; \
1da177e4
LT
1986 \
1987 res = read_c0_##name(); \
89e18eb3
RB
1988 new = res & ~clear; \
1989 write_c0_##name(new); \
1da177e4
LT
1990 \
1991 return res; \
1992} \
1993 \
1994static inline unsigned int \
89e18eb3 1995change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 1996{ \
89e18eb3 1997 unsigned int res, new; \
1da177e4
LT
1998 \
1999 res = read_c0_##name(); \
89e18eb3
RB
2000 new = res & ~change; \
2001 new |= (val & change); \
2002 write_c0_##name(new); \
1da177e4
LT
2003 \
2004 return res; \
2005}
2006
2007__BUILD_SET_C0(status)
2008__BUILD_SET_C0(cause)
2009__BUILD_SET_C0(config)
7f65afb9 2010__BUILD_SET_C0(config5)
1da177e4 2011__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
2012__BUILD_SET_C0(intctl)
2013__BUILD_SET_C0(srsmap)
a5770df0 2014__BUILD_SET_C0(pagegrain)
020232f1
KC
2015__BUILD_SET_C0(brcm_config_0)
2016__BUILD_SET_C0(brcm_bus_pll)
2017__BUILD_SET_C0(brcm_reset)
2018__BUILD_SET_C0(brcm_cmt_intr)
2019__BUILD_SET_C0(brcm_cmt_ctrl)
2020__BUILD_SET_C0(brcm_config)
2021__BUILD_SET_C0(brcm_mode)
1da177e4 2022
45b585c8
DD
2023/*
2024 * Return low 10 bits of ebase.
2025 * Note that under KVM (MIPSVZ) this returns vcpu id.
2026 */
2027static inline unsigned int get_ebase_cpunum(void)
2028{
2029 return read_c0_ebase() & 0x3ff;
2030}
2031
1da177e4
LT
2032#endif /* !__ASSEMBLY__ */
2033
2034#endif /* _ASM_MIPSREGS_H */