MIPS: math-emu: Implement the FCCR, FEXR and FENR 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)
582
e19d5dba
PB
583/* MAAR bit definitions */
584#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
585#define MIPS_MAAR_ADDR_SHIFT 12
586#define MIPS_MAAR_S (_ULCAST_(1) << 1)
587#define MIPS_MAAR_V (_ULCAST_(1) << 0)
588
691038ba
LY
589/* EntryHI bit definition */
590#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
9267a30d 591
4dd8ee5d
PB
592/* CMGCRBase bit definitions */
593#define MIPS_CMGCRB_BASE 11
594#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
595
4a0156fb
SH
596/*
597 * Bits in the MIPS32 Memory Segmentation registers.
598 */
599#define MIPS_SEGCFG_PA_SHIFT 9
600#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
601#define MIPS_SEGCFG_AM_SHIFT 4
602#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
603#define MIPS_SEGCFG_EU_SHIFT 3
604#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
605#define MIPS_SEGCFG_C_SHIFT 0
606#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
607
608#define MIPS_SEGCFG_UUSK _ULCAST_(7)
609#define MIPS_SEGCFG_USK _ULCAST_(5)
610#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
611#define MIPS_SEGCFG_MUSK _ULCAST_(3)
612#define MIPS_SEGCFG_MSK _ULCAST_(2)
613#define MIPS_SEGCFG_MK _ULCAST_(1)
614#define MIPS_SEGCFG_UK _ULCAST_(0)
615
87d08bc9
MC
616#define MIPS_PWFIELD_GDI_SHIFT 24
617#define MIPS_PWFIELD_GDI_MASK 0x3f000000
618#define MIPS_PWFIELD_UDI_SHIFT 18
619#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
620#define MIPS_PWFIELD_MDI_SHIFT 12
621#define MIPS_PWFIELD_MDI_MASK 0x0003f000
622#define MIPS_PWFIELD_PTI_SHIFT 6
623#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
624#define MIPS_PWFIELD_PTEI_SHIFT 0
625#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
626
627#define MIPS_PWSIZE_GDW_SHIFT 24
628#define MIPS_PWSIZE_GDW_MASK 0x3f000000
629#define MIPS_PWSIZE_UDW_SHIFT 18
630#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
631#define MIPS_PWSIZE_MDW_SHIFT 12
632#define MIPS_PWSIZE_MDW_MASK 0x0003f000
633#define MIPS_PWSIZE_PTW_SHIFT 6
634#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
635#define MIPS_PWSIZE_PTEW_SHIFT 0
636#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
637
638#define MIPS_PWCTL_PWEN_SHIFT 31
639#define MIPS_PWCTL_PWEN_MASK 0x80000000
640#define MIPS_PWCTL_DPH_SHIFT 7
641#define MIPS_PWCTL_DPH_MASK 0x00000080
642#define MIPS_PWCTL_HUGEPG_SHIFT 6
643#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
644#define MIPS_PWCTL_PSN_SHIFT 0
645#define MIPS_PWCTL_PSN_MASK 0x0000003f
646
9b3274bd
JH
647/* CDMMBase register bit definitions */
648#define MIPS_CDMMBASE_SIZE_SHIFT 0
649#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
650#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
651#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
652#define MIPS_CDMMBASE_ADDR_SHIFT 11
653#define MIPS_CDMMBASE_ADDR_START 15
654
e08384ca
MR
655/*
656 * Bitfields in the TX39 family CP0 Configuration Register 3
657 */
658#define TX39_CONF_ICS_SHIFT 19
659#define TX39_CONF_ICS_MASK 0x00380000
660#define TX39_CONF_ICS_1KB 0x00000000
661#define TX39_CONF_ICS_2KB 0x00080000
662#define TX39_CONF_ICS_4KB 0x00100000
663#define TX39_CONF_ICS_8KB 0x00180000
664#define TX39_CONF_ICS_16KB 0x00200000
665
666#define TX39_CONF_DCS_SHIFT 16
667#define TX39_CONF_DCS_MASK 0x00070000
668#define TX39_CONF_DCS_1KB 0x00000000
669#define TX39_CONF_DCS_2KB 0x00010000
670#define TX39_CONF_DCS_4KB 0x00020000
671#define TX39_CONF_DCS_8KB 0x00030000
672#define TX39_CONF_DCS_16KB 0x00040000
673
674#define TX39_CONF_CWFON 0x00004000
675#define TX39_CONF_WBON 0x00002000
676#define TX39_CONF_RF_SHIFT 10
677#define TX39_CONF_RF_MASK 0x00000c00
678#define TX39_CONF_DOZE 0x00000200
679#define TX39_CONF_HALT 0x00000100
680#define TX39_CONF_LOCK 0x00000080
681#define TX39_CONF_ICE 0x00000020
682#define TX39_CONF_DCE 0x00000010
683#define TX39_CONF_IRSIZE_SHIFT 2
684#define TX39_CONF_IRSIZE_MASK 0x0000000c
685#define TX39_CONF_DRSIZE_SHIFT 0
686#define TX39_CONF_DRSIZE_MASK 0x00000003
687
fda51906
MR
688
689/*
690 * Coprocessor 1 (FPU) register names
691 */
c491cfa2
MR
692#define CP1_REVISION $0
693#define CP1_UFR $1
694#define CP1_UNFR $4
695#define CP1_FCCR $25
696#define CP1_FEXR $26
697#define CP1_FENR $28
698#define CP1_STATUS $31
fda51906
MR
699
700
701/*
702 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
703 */
704#define MIPS_FPIR_S (_ULCAST_(1) << 16)
705#define MIPS_FPIR_D (_ULCAST_(1) << 17)
706#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
707#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
708#define MIPS_FPIR_W (_ULCAST_(1) << 20)
709#define MIPS_FPIR_L (_ULCAST_(1) << 21)
710#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
711#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
712
c491cfa2
MR
713/*
714 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
715 */
716#define MIPS_FCCR_CONDX_S 0
717#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
718#define MIPS_FCCR_COND0_S 0
719#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
720#define MIPS_FCCR_COND1_S 1
721#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
722#define MIPS_FCCR_COND2_S 2
723#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
724#define MIPS_FCCR_COND3_S 3
725#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
726#define MIPS_FCCR_COND4_S 4
727#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
728#define MIPS_FCCR_COND5_S 5
729#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
730#define MIPS_FCCR_COND6_S 6
731#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
732#define MIPS_FCCR_COND7_S 7
733#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
734
735/*
736 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
737 */
738#define MIPS_FENR_FS_S 2
739#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
740
fda51906
MR
741/*
742 * FPU Status Register Values
743 */
c491cfa2
MR
744#define FPU_CSR_COND_S 23 /* $fcc0 */
745#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
746
747#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
748#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
749
750#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
751#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
752#define FPU_CSR_COND1_S 25 /* $fcc1 */
753#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
754#define FPU_CSR_COND2_S 26 /* $fcc2 */
755#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
756#define FPU_CSR_COND3_S 27 /* $fcc3 */
757#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
758#define FPU_CSR_COND4_S 28 /* $fcc4 */
759#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
760#define FPU_CSR_COND5_S 29 /* $fcc5 */
761#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
762#define FPU_CSR_COND6_S 30 /* $fcc6 */
763#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
764#define FPU_CSR_COND7_S 31 /* $fcc7 */
765#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
fda51906
MR
766
767/*
768 * Bits 18 - 20 of the FPU Status Register will be read as 0,
769 * and should be written as zero.
770 */
771#define FPU_CSR_RSVD 0x001c0000
772
773/*
774 * X the exception cause indicator
775 * E the exception enable
776 * S the sticky/flag bit
777*/
778#define FPU_CSR_ALL_X 0x0003f000
779#define FPU_CSR_UNI_X 0x00020000
780#define FPU_CSR_INV_X 0x00010000
781#define FPU_CSR_DIV_X 0x00008000
782#define FPU_CSR_OVF_X 0x00004000
783#define FPU_CSR_UDF_X 0x00002000
784#define FPU_CSR_INE_X 0x00001000
785
786#define FPU_CSR_ALL_E 0x00000f80
787#define FPU_CSR_INV_E 0x00000800
788#define FPU_CSR_DIV_E 0x00000400
789#define FPU_CSR_OVF_E 0x00000200
790#define FPU_CSR_UDF_E 0x00000100
791#define FPU_CSR_INE_E 0x00000080
792
793#define FPU_CSR_ALL_S 0x0000007c
794#define FPU_CSR_INV_S 0x00000040
795#define FPU_CSR_DIV_S 0x00000020
796#define FPU_CSR_OVF_S 0x00000010
797#define FPU_CSR_UDF_S 0x00000008
798#define FPU_CSR_INE_S 0x00000004
799
800/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
801#define FPU_CSR_RM 0x00000003
802#define FPU_CSR_RN 0x0 /* nearest */
803#define FPU_CSR_RZ 0x1 /* towards zero */
804#define FPU_CSR_RU 0x2 /* towards +Infinity */
805#define FPU_CSR_RD 0x3 /* towards -Infinity */
806
807
1da177e4
LT
808#ifndef __ASSEMBLY__
809
bfd08baa 810/*
377cb1b6 811 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 812 */
377cb1b6
RB
813#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
814 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
815#define get_isa16_mode(x) ((x) & 0x1)
816#define msk_isa16_mode(x) ((x) & ~0x1)
817#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
818#else
819#define get_isa16_mode(x) 0
820#define msk_isa16_mode(x) (x)
821#define set_isa16_mode(x) do { } while(0)
822#endif
bfd08baa
SH
823
824/*
825 * microMIPS instructions can be 16-bit or 32-bit in length. This
826 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
827 */
828static inline int mm_insn_16bit(u16 insn)
829{
830 u16 opcode = (insn >> 10) & 0x7;
831
832 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
833}
834
198bb4ce
LY
835/*
836 * TLB Invalidate Flush
837 */
838static inline void tlbinvf(void)
839{
840 __asm__ __volatile__(
841 ".set push\n\t"
842 ".set noreorder\n\t"
843 ".word 0x42000004\n\t" /* tlbinvf */
844 ".set pop");
845}
846
847
1da177e4 848/*
70342287 849 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
850 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
851 * performance counter number encoded into bits 1 ... 5 of the instruction.
852 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
853 * disassembler these will look like an access to sel 0 or 1.
854 */
855#define read_r10k_perf_cntr(counter) \
856({ \
857 unsigned int __res; \
858 __asm__ __volatile__( \
859 "mfpc\t%0, %1" \
70342287 860 : "=r" (__res) \
1da177e4
LT
861 : "i" (counter)); \
862 \
70342287 863 __res; \
1da177e4
LT
864})
865
70342287 866#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
867do { \
868 __asm__ __volatile__( \
869 "mtpc\t%0, %1" \
870 : \
871 : "r" (val), "i" (counter)); \
872} while (0)
873
874#define read_r10k_perf_event(counter) \
875({ \
876 unsigned int __res; \
877 __asm__ __volatile__( \
878 "mfps\t%0, %1" \
70342287 879 : "=r" (__res) \
1da177e4
LT
880 : "i" (counter)); \
881 \
70342287 882 __res; \
1da177e4
LT
883})
884
70342287 885#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
886do { \
887 __asm__ __volatile__( \
888 "mtps\t%0, %1" \
889 : \
890 : "r" (val), "i" (counter)); \
891} while (0)
892
893
894/*
895 * Macros to access the system control coprocessor
896 */
897
898#define __read_32bit_c0_register(source, sel) \
899({ int __res; \
900 if (sel == 0) \
901 __asm__ __volatile__( \
902 "mfc0\t%0, " #source "\n\t" \
903 : "=r" (__res)); \
904 else \
905 __asm__ __volatile__( \
906 ".set\tmips32\n\t" \
907 "mfc0\t%0, " #source ", " #sel "\n\t" \
908 ".set\tmips0\n\t" \
909 : "=r" (__res)); \
910 __res; \
911})
912
913#define __read_64bit_c0_register(source, sel) \
914({ unsigned long long __res; \
915 if (sizeof(unsigned long) == 4) \
916 __res = __read_64bit_c0_split(source, sel); \
917 else if (sel == 0) \
918 __asm__ __volatile__( \
919 ".set\tmips3\n\t" \
920 "dmfc0\t%0, " #source "\n\t" \
921 ".set\tmips0" \
922 : "=r" (__res)); \
923 else \
924 __asm__ __volatile__( \
925 ".set\tmips64\n\t" \
926 "dmfc0\t%0, " #source ", " #sel "\n\t" \
927 ".set\tmips0" \
928 : "=r" (__res)); \
929 __res; \
930})
931
932#define __write_32bit_c0_register(register, sel, value) \
933do { \
934 if (sel == 0) \
935 __asm__ __volatile__( \
936 "mtc0\t%z0, " #register "\n\t" \
0952e290 937 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
938 else \
939 __asm__ __volatile__( \
940 ".set\tmips32\n\t" \
941 "mtc0\t%z0, " #register ", " #sel "\n\t" \
942 ".set\tmips0" \
0952e290 943 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
944} while (0)
945
946#define __write_64bit_c0_register(register, sel, value) \
947do { \
948 if (sizeof(unsigned long) == 4) \
949 __write_64bit_c0_split(register, sel, value); \
950 else if (sel == 0) \
951 __asm__ __volatile__( \
952 ".set\tmips3\n\t" \
953 "dmtc0\t%z0, " #register "\n\t" \
954 ".set\tmips0" \
955 : : "Jr" (value)); \
956 else \
957 __asm__ __volatile__( \
958 ".set\tmips64\n\t" \
959 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
960 ".set\tmips0" \
961 : : "Jr" (value)); \
962} while (0)
963
964#define __read_ulong_c0_register(reg, sel) \
965 ((sizeof(unsigned long) == 4) ? \
966 (unsigned long) __read_32bit_c0_register(reg, sel) : \
967 (unsigned long) __read_64bit_c0_register(reg, sel))
968
969#define __write_ulong_c0_register(reg, sel, val) \
970do { \
971 if (sizeof(unsigned long) == 4) \
972 __write_32bit_c0_register(reg, sel, val); \
973 else \
974 __write_64bit_c0_register(reg, sel, val); \
975} while (0)
976
977/*
978 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
979 */
980#define __read_32bit_c0_ctrl_register(source) \
981({ int __res; \
982 __asm__ __volatile__( \
983 "cfc0\t%0, " #source "\n\t" \
984 : "=r" (__res)); \
985 __res; \
986})
987
988#define __write_32bit_c0_ctrl_register(register, value) \
989do { \
990 __asm__ __volatile__( \
991 "ctc0\t%z0, " #register "\n\t" \
0952e290 992 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
993} while (0)
994
995/*
996 * These versions are only needed for systems with more than 38 bits of
997 * physical address space running the 32-bit kernel. That's none atm :-)
998 */
999#define __read_64bit_c0_split(source, sel) \
1000({ \
87d43dd4
AN
1001 unsigned long long __val; \
1002 unsigned long __flags; \
1da177e4 1003 \
87d43dd4 1004 local_irq_save(__flags); \
1da177e4
LT
1005 if (sel == 0) \
1006 __asm__ __volatile__( \
1007 ".set\tmips64\n\t" \
1008 "dmfc0\t%M0, " #source "\n\t" \
1009 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1010 "dsra\t%M0, %M0, 32\n\t" \
1011 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1012 ".set\tmips0" \
87d43dd4 1013 : "=r" (__val)); \
1da177e4
LT
1014 else \
1015 __asm__ __volatile__( \
1016 ".set\tmips64\n\t" \
1017 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1018 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1019 "dsra\t%M0, %M0, 32\n\t" \
1020 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1021 ".set\tmips0" \
87d43dd4
AN
1022 : "=r" (__val)); \
1023 local_irq_restore(__flags); \
1da177e4 1024 \
87d43dd4 1025 __val; \
1da177e4
LT
1026})
1027
1028#define __write_64bit_c0_split(source, sel, val) \
1029do { \
87d43dd4 1030 unsigned long __flags; \
1da177e4 1031 \
87d43dd4 1032 local_irq_save(__flags); \
1da177e4
LT
1033 if (sel == 0) \
1034 __asm__ __volatile__( \
1035 ".set\tmips64\n\t" \
1036 "dsll\t%L0, %L0, 32\n\t" \
1037 "dsrl\t%L0, %L0, 32\n\t" \
1038 "dsll\t%M0, %M0, 32\n\t" \
1039 "or\t%L0, %L0, %M0\n\t" \
1040 "dmtc0\t%L0, " #source "\n\t" \
1041 ".set\tmips0" \
1042 : : "r" (val)); \
1043 else \
1044 __asm__ __volatile__( \
1045 ".set\tmips64\n\t" \
1046 "dsll\t%L0, %L0, 32\n\t" \
1047 "dsrl\t%L0, %L0, 32\n\t" \
1048 "dsll\t%M0, %M0, 32\n\t" \
1049 "or\t%L0, %L0, %M0\n\t" \
1050 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1051 ".set\tmips0" \
1052 : : "r" (val)); \
87d43dd4 1053 local_irq_restore(__flags); \
1da177e4
LT
1054} while (0)
1055
23d06e4f
SH
1056#define __readx_32bit_c0_register(source) \
1057({ \
1058 unsigned int __res; \
1059 \
1060 __asm__ __volatile__( \
1061 " .set push \n" \
1062 " .set noat \n" \
1063 " .set mips32r2 \n" \
1064 " .insn \n" \
1065 " # mfhc0 $1, %1 \n" \
1066 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
1067 " move %0, $1 \n" \
1068 " .set pop \n" \
1069 : "=r" (__res) \
1070 : "i" (source)); \
1071 __res; \
1072})
1073
1074#define __writex_32bit_c0_register(register, value) \
1075do { \
1076 __asm__ __volatile__( \
1077 " .set push \n" \
1078 " .set noat \n" \
1079 " .set mips32r2 \n" \
1080 " move $1, %0 \n" \
1081 " # mthc0 $1, %1 \n" \
1082 " .insn \n" \
1083 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
1084 " .set pop \n" \
1085 : \
1086 : "r" (value), "i" (register)); \
1087} while (0)
1088
1da177e4
LT
1089#define read_c0_index() __read_32bit_c0_register($0, 0)
1090#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1091
272bace7
RB
1092#define read_c0_random() __read_32bit_c0_register($1, 0)
1093#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1094
1da177e4
LT
1095#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1096#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1097
23d06e4f
SH
1098#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1099#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1100
1da177e4
LT
1101#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1102#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1103
23d06e4f
SH
1104#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1105#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1106
1da177e4
LT
1107#define read_c0_conf() __read_32bit_c0_register($3, 0)
1108#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1109
1110#define read_c0_context() __read_ulong_c0_register($4, 0)
1111#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1112
a3692020 1113#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1114#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1115
1da177e4
LT
1116#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1117#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1118
9fe2e9d6 1119#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1120#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1121
1da177e4
LT
1122#define read_c0_wired() __read_32bit_c0_register($6, 0)
1123#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1124
1125#define read_c0_info() __read_32bit_c0_register($7, 0)
1126
70342287 1127#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1128#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1129
15c4f67a
RB
1130#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1131#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1132
1da177e4
LT
1133#define read_c0_count() __read_32bit_c0_register($9, 0)
1134#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1135
bdf21b18
PP
1136#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1137#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1138
1139#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1140#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1141
1da177e4
LT
1142#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1143#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1144
1145#define read_c0_compare() __read_32bit_c0_register($11, 0)
1146#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1147
bdf21b18
PP
1148#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1149#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1150
1151#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1152#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1153
1da177e4 1154#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1155
1da177e4
LT
1156#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1157
1158#define read_c0_cause() __read_32bit_c0_register($13, 0)
1159#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1160
1161#define read_c0_epc() __read_ulong_c0_register($14, 0)
1162#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1163
1164#define read_c0_prid() __read_32bit_c0_register($15, 0)
1165
4dd8ee5d
PB
1166#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1167
1da177e4
LT
1168#define read_c0_config() __read_32bit_c0_register($16, 0)
1169#define read_c0_config1() __read_32bit_c0_register($16, 1)
1170#define read_c0_config2() __read_32bit_c0_register($16, 2)
1171#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1172#define read_c0_config4() __read_32bit_c0_register($16, 4)
1173#define read_c0_config5() __read_32bit_c0_register($16, 5)
1174#define read_c0_config6() __read_32bit_c0_register($16, 6)
1175#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1176#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1177#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1178#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1179#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1180#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1181#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1182#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1183#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1184
b55b9e27
MC
1185#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1186#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1187#define read_c0_maar() __read_ulong_c0_register($17, 1)
1188#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1189#define read_c0_maari() __read_32bit_c0_register($17, 2)
1190#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1191
1da177e4 1192/*
25985edc 1193 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1194 */
1195#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1196#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1197#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1198#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1199#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1200#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1201#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1202#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1203#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1204#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1205#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1206#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1207#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1208#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1209#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1210#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1211
1212/*
25985edc 1213 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1214 */
1215#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1216#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1217#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1218#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1219#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1220#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1221#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1222#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1223
1224#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1225#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1226#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1227#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1228#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1229#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1230#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1231#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1232
1233#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1234#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1235
1236#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1237#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1238
1239#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1240#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1241
1da177e4
LT
1242#define read_c0_diag() __read_32bit_c0_register($22, 0)
1243#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1244
1245#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1246#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1247
1248#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1249#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1250
1251#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1252#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1253
1254#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1255#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1256
1257#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1258#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1259
1260#define read_c0_debug() __read_32bit_c0_register($23, 0)
1261#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1262
1263#define read_c0_depc() __read_ulong_c0_register($24, 0)
1264#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1265
1266/*
1267 * MIPS32 / MIPS64 performance counters
1268 */
1269#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1270#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1271#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1272#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1273#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1274#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1275#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1276#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1277#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1278#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1279#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1280#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1281#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1282#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1283#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1284#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1285#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1286#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1287#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1288#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1289#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1290#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1291#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1292#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1293
1da177e4
LT
1294#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1295#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1296
1297#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1298#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1299
1300#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1301
1302#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1303#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1304
1305#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1306#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1307
41c594ab
RB
1308#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1309#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1310
af231172
KC
1311#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1312#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1313
1314#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1315#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1316
1da177e4
LT
1317#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1318#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1319
1320#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1321#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1322
7a0fc58c 1323/* MIPSR2 */
21a151d8 1324#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1325#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1326
1327#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1328#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1329
1330#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1331#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1332
1333#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1334#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1335
21a151d8 1336#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1337#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1338
9b3274bd
JH
1339#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1340#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1341
4a0156fb
SH
1342/* MIPSR3 */
1343#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1344#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1345
1346#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1347#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1348
1349#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1350#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1351
87d08bc9
MC
1352/* Hardware Page Table Walker */
1353#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1354#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1355
1356#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1357#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1358
1359#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1360#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1361
1362#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1363#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1364
ed918c2d
DD
1365/* Cavium OCTEON (cnMIPS) */
1366#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1367#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1368
1369#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1370#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1371
1372#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1373#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1374/*
70342287 1375 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1376 * 64 bits wide.
1377 */
1378#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1379#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1380
1381#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1382#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1383
af231172
KC
1384/* BMIPS3300 */
1385#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1386#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1387
1388#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1389#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1390
1391#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1392#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1393
020232f1 1394/* BMIPS43xx */
af231172
KC
1395#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1396#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1397
1398#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1399#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1400
1401#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1402#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1403
1404#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1405#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1406
1407#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1408#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1409
1410/* BMIPS5000 */
1411#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1412#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1413
1414#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1415#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1416
1417#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1418#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1419
1420#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1421#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1422
1423#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1424#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1425
1426#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1427#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1428
1da177e4
LT
1429/*
1430 * Macros to access the floating point coprocessor control registers
1431 */
842dfc11 1432#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310
SH
1433({ \
1434 int __res; \
1435 \
1436 __asm__ __volatile__( \
1437 " .set push \n" \
1438 " .set reorder \n" \
1439 " # gas fails to assemble cfc1 for some archs, \n" \
1440 " # like Octeon. \n" \
1441 " .set mips1 \n" \
842dfc11 1442 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1443 " cfc1 %0,"STR(source)" \n" \
1444 " .set pop \n" \
1445 : "=r" (__res)); \
1446 __res; \
1447})
1da177e4 1448
5e32033e
JH
1449#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
1450do { \
1451 __asm__ __volatile__( \
1452 " .set push \n" \
1453 " .set reorder \n" \
1454 " "STR(gas_hardfloat)" \n" \
1455 " ctc1 %0,"STR(dest)" \n" \
1456 " .set pop \n" \
1457 : : "r" (val)); \
1458} while (0)
1459
842dfc11
ML
1460#ifdef GAS_HAS_SET_HARDFLOAT
1461#define read_32bit_cp1_register(source) \
1462 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
1463#define write_32bit_cp1_register(dest, val) \
1464 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
1465#else
1466#define read_32bit_cp1_register(source) \
1467 _read_32bit_cp1_register(source, )
5e32033e
JH
1468#define write_32bit_cp1_register(dest, val) \
1469 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
1470#endif
1471
32a7ede6 1472#ifdef HAVE_AS_DSP
e50c0a8f
RB
1473#define rddsp(mask) \
1474({ \
32a7ede6 1475 unsigned int __dspctl; \
e50c0a8f
RB
1476 \
1477 __asm__ __volatile__( \
63c2b681
FF
1478 " .set push \n" \
1479 " .set dsp \n" \
32a7ede6 1480 " rddsp %0, %x1 \n" \
63c2b681 1481 " .set pop \n" \
32a7ede6 1482 : "=r" (__dspctl) \
e50c0a8f 1483 : "i" (mask)); \
32a7ede6 1484 __dspctl; \
e50c0a8f
RB
1485})
1486
1487#define wrdsp(val, mask) \
1488do { \
e50c0a8f 1489 __asm__ __volatile__( \
63c2b681
FF
1490 " .set push \n" \
1491 " .set dsp \n" \
32a7ede6 1492 " wrdsp %0, %x1 \n" \
63c2b681 1493 " .set pop \n" \
70342287 1494 : \
e50c0a8f 1495 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1496} while (0)
1497
63c2b681
FF
1498#define mflo0() \
1499({ \
1500 long mflo0; \
1501 __asm__( \
1502 " .set push \n" \
1503 " .set dsp \n" \
1504 " mflo %0, $ac0 \n" \
1505 " .set pop \n" \
1506 : "=r" (mflo0)); \
1507 mflo0; \
1508})
1509
1510#define mflo1() \
1511({ \
1512 long mflo1; \
1513 __asm__( \
1514 " .set push \n" \
1515 " .set dsp \n" \
1516 " mflo %0, $ac1 \n" \
1517 " .set pop \n" \
1518 : "=r" (mflo1)); \
1519 mflo1; \
1520})
1521
1522#define mflo2() \
1523({ \
1524 long mflo2; \
1525 __asm__( \
1526 " .set push \n" \
1527 " .set dsp \n" \
1528 " mflo %0, $ac2 \n" \
1529 " .set pop \n" \
1530 : "=r" (mflo2)); \
1531 mflo2; \
1532})
1533
1534#define mflo3() \
1535({ \
1536 long mflo3; \
1537 __asm__( \
1538 " .set push \n" \
1539 " .set dsp \n" \
1540 " mflo %0, $ac3 \n" \
1541 " .set pop \n" \
1542 : "=r" (mflo3)); \
1543 mflo3; \
1544})
1545
1546#define mfhi0() \
1547({ \
1548 long mfhi0; \
1549 __asm__( \
1550 " .set push \n" \
1551 " .set dsp \n" \
1552 " mfhi %0, $ac0 \n" \
1553 " .set pop \n" \
1554 : "=r" (mfhi0)); \
1555 mfhi0; \
1556})
1557
1558#define mfhi1() \
1559({ \
1560 long mfhi1; \
1561 __asm__( \
1562 " .set push \n" \
1563 " .set dsp \n" \
1564 " mfhi %0, $ac1 \n" \
1565 " .set pop \n" \
1566 : "=r" (mfhi1)); \
1567 mfhi1; \
1568})
1569
1570#define mfhi2() \
1571({ \
1572 long mfhi2; \
1573 __asm__( \
1574 " .set push \n" \
1575 " .set dsp \n" \
1576 " mfhi %0, $ac2 \n" \
1577 " .set pop \n" \
1578 : "=r" (mfhi2)); \
1579 mfhi2; \
1580})
1581
1582#define mfhi3() \
1583({ \
1584 long mfhi3; \
1585 __asm__( \
1586 " .set push \n" \
1587 " .set dsp \n" \
1588 " mfhi %0, $ac3 \n" \
1589 " .set pop \n" \
1590 : "=r" (mfhi3)); \
1591 mfhi3; \
1592})
1593
1594
1595#define mtlo0(x) \
1596({ \
1597 __asm__( \
1598 " .set push \n" \
1599 " .set dsp \n" \
1600 " mtlo %0, $ac0 \n" \
1601 " .set pop \n" \
1602 : \
1603 : "r" (x)); \
1604})
1605
1606#define mtlo1(x) \
1607({ \
1608 __asm__( \
1609 " .set push \n" \
1610 " .set dsp \n" \
1611 " mtlo %0, $ac1 \n" \
1612 " .set pop \n" \
1613 : \
1614 : "r" (x)); \
1615})
1616
1617#define mtlo2(x) \
1618({ \
1619 __asm__( \
1620 " .set push \n" \
1621 " .set dsp \n" \
1622 " mtlo %0, $ac2 \n" \
1623 " .set pop \n" \
1624 : \
1625 : "r" (x)); \
1626})
1627
1628#define mtlo3(x) \
1629({ \
1630 __asm__( \
1631 " .set push \n" \
1632 " .set dsp \n" \
1633 " mtlo %0, $ac3 \n" \
1634 " .set pop \n" \
1635 : \
1636 : "r" (x)); \
1637})
1638
1639#define mthi0(x) \
1640({ \
1641 __asm__( \
1642 " .set push \n" \
1643 " .set dsp \n" \
1644 " mthi %0, $ac0 \n" \
1645 " .set pop \n" \
1646 : \
1647 : "r" (x)); \
1648})
1649
1650#define mthi1(x) \
1651({ \
1652 __asm__( \
1653 " .set push \n" \
1654 " .set dsp \n" \
1655 " mthi %0, $ac1 \n" \
1656 " .set pop \n" \
1657 : \
1658 : "r" (x)); \
1659})
1660
1661#define mthi2(x) \
1662({ \
1663 __asm__( \
1664 " .set push \n" \
1665 " .set dsp \n" \
1666 " mthi %0, $ac2 \n" \
1667 " .set pop \n" \
1668 : \
1669 : "r" (x)); \
1670})
1671
1672#define mthi3(x) \
1673({ \
1674 __asm__( \
1675 " .set push \n" \
1676 " .set dsp \n" \
1677 " mthi %0, $ac3 \n" \
1678 " .set pop \n" \
1679 : \
1680 : "r" (x)); \
1681})
e50c0a8f
RB
1682
1683#else
1684
d0c1b478
SH
1685#ifdef CONFIG_CPU_MICROMIPS
1686#define rddsp(mask) \
e50c0a8f 1687({ \
d0c1b478 1688 unsigned int __res; \
e50c0a8f
RB
1689 \
1690 __asm__ __volatile__( \
e50c0a8f
RB
1691 " .set push \n" \
1692 " .set noat \n" \
d0c1b478
SH
1693 " # rddsp $1, %x1 \n" \
1694 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1695 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1696 " move %0, $1 \n" \
e50c0a8f 1697 " .set pop \n" \
d0c1b478
SH
1698 : "=r" (__res) \
1699 : "i" (mask)); \
1700 __res; \
1701})
e50c0a8f 1702
d0c1b478 1703#define wrdsp(val, mask) \
e50c0a8f
RB
1704do { \
1705 __asm__ __volatile__( \
1706 " .set push \n" \
1707 " .set noat \n" \
1708 " move $1, %0 \n" \
d0c1b478
SH
1709 " # wrdsp $1, %x1 \n" \
1710 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1711 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1712 " .set pop \n" \
1713 : \
d0c1b478 1714 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1715} while (0)
1716
d0c1b478
SH
1717#define _umips_dsp_mfxxx(ins) \
1718({ \
1719 unsigned long __treg; \
1720 \
e50c0a8f
RB
1721 __asm__ __volatile__( \
1722 " .set push \n" \
1723 " .set noat \n" \
d0c1b478
SH
1724 " .hword 0x0001 \n" \
1725 " .hword %x1 \n" \
1726 " move %0, $1 \n" \
e50c0a8f 1727 " .set pop \n" \
d0c1b478
SH
1728 : "=r" (__treg) \
1729 : "i" (ins)); \
1730 __treg; \
1731})
e50c0a8f 1732
d0c1b478 1733#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1734do { \
1735 __asm__ __volatile__( \
1736 " .set push \n" \
1737 " .set noat \n" \
1738 " move $1, %0 \n" \
d0c1b478
SH
1739 " .hword 0x0001 \n" \
1740 " .hword %x1 \n" \
e50c0a8f
RB
1741 " .set pop \n" \
1742 : \
d0c1b478 1743 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1744} while (0)
1745
d0c1b478
SH
1746#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1747#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1748
1749#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1750#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1751
1752#define mflo0() _umips_dsp_mflo(0)
1753#define mflo1() _umips_dsp_mflo(1)
1754#define mflo2() _umips_dsp_mflo(2)
1755#define mflo3() _umips_dsp_mflo(3)
1756
1757#define mfhi0() _umips_dsp_mfhi(0)
1758#define mfhi1() _umips_dsp_mfhi(1)
1759#define mfhi2() _umips_dsp_mfhi(2)
1760#define mfhi3() _umips_dsp_mfhi(3)
1761
1762#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1763#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1764#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1765#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1766
1767#define mthi0(x) _umips_dsp_mthi(x, 0)
1768#define mthi1(x) _umips_dsp_mthi(x, 1)
1769#define mthi2(x) _umips_dsp_mthi(x, 2)
1770#define mthi3(x) _umips_dsp_mthi(x, 3)
1771
1772#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1773#define rddsp(mask) \
1774({ \
1775 unsigned int __res; \
1776 \
e50c0a8f 1777 __asm__ __volatile__( \
32a7ede6
SH
1778 " .set push \n" \
1779 " .set noat \n" \
1780 " # rddsp $1, %x1 \n" \
1781 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1782 " move %0, $1 \n" \
1783 " .set pop \n" \
1784 : "=r" (__res) \
1785 : "i" (mask)); \
1786 __res; \
1787})
e50c0a8f 1788
32a7ede6 1789#define wrdsp(val, mask) \
e50c0a8f
RB
1790do { \
1791 __asm__ __volatile__( \
1792 " .set push \n" \
1793 " .set noat \n" \
1794 " move $1, %0 \n" \
32a7ede6
SH
1795 " # wrdsp $1, %x1 \n" \
1796 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1797 " .set pop \n" \
32a7ede6
SH
1798 : \
1799 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1800} while (0)
1801
4cb764b4 1802#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1803({ \
1804 unsigned long __treg; \
1805 \
e50c0a8f
RB
1806 __asm__ __volatile__( \
1807 " .set push \n" \
1808 " .set noat \n" \
4cb764b4
SH
1809 " .word (0x00000810 | %1) \n" \
1810 " move %0, $1 \n" \
e50c0a8f 1811 " .set pop \n" \
4cb764b4
SH
1812 : "=r" (__treg) \
1813 : "i" (ins)); \
1814 __treg; \
1815})
e50c0a8f 1816
4cb764b4 1817#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1818do { \
1819 __asm__ __volatile__( \
1820 " .set push \n" \
1821 " .set noat \n" \
1822 " move $1, %0 \n" \
4cb764b4 1823 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1824 " .set pop \n" \
1825 : \
4cb764b4 1826 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1827} while (0)
1828
4cb764b4
SH
1829#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1830#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1831
4cb764b4
SH
1832#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1833#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1834
4cb764b4
SH
1835#define mflo0() _dsp_mflo(0)
1836#define mflo1() _dsp_mflo(1)
1837#define mflo2() _dsp_mflo(2)
1838#define mflo3() _dsp_mflo(3)
e50c0a8f 1839
4cb764b4
SH
1840#define mfhi0() _dsp_mfhi(0)
1841#define mfhi1() _dsp_mfhi(1)
1842#define mfhi2() _dsp_mfhi(2)
1843#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1844
4cb764b4
SH
1845#define mtlo0(x) _dsp_mtlo(x, 0)
1846#define mtlo1(x) _dsp_mtlo(x, 1)
1847#define mtlo2(x) _dsp_mtlo(x, 2)
1848#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1849
4cb764b4
SH
1850#define mthi0(x) _dsp_mthi(x, 0)
1851#define mthi1(x) _dsp_mthi(x, 1)
1852#define mthi2(x) _dsp_mthi(x, 2)
1853#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1854
d0c1b478 1855#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1856#endif
1857
1da177e4
LT
1858/*
1859 * TLB operations.
1860 *
1861 * It is responsibility of the caller to take care of any TLB hazards.
1862 */
1863static inline void tlb_probe(void)
1864{
1865 __asm__ __volatile__(
1866 ".set noreorder\n\t"
1867 "tlbp\n\t"
1868 ".set reorder");
1869}
1870
1871static inline void tlb_read(void)
1872{
9267a30d
MSJ
1873#if MIPS34K_MISSED_ITLB_WAR
1874 int res = 0;
1875
1876 __asm__ __volatile__(
1877 " .set push \n"
1878 " .set noreorder \n"
1879 " .set noat \n"
1880 " .set mips32r2 \n"
1881 " .word 0x41610001 # dvpe $1 \n"
1882 " move %0, $1 \n"
1883 " ehb \n"
1884 " .set pop \n"
1885 : "=r" (res));
1886
1887 instruction_hazard();
1888#endif
1889
1da177e4
LT
1890 __asm__ __volatile__(
1891 ".set noreorder\n\t"
1892 "tlbr\n\t"
1893 ".set reorder");
9267a30d
MSJ
1894
1895#if MIPS34K_MISSED_ITLB_WAR
1896 if ((res & _ULCAST_(1)))
1897 __asm__ __volatile__(
1898 " .set push \n"
1899 " .set noreorder \n"
1900 " .set noat \n"
1901 " .set mips32r2 \n"
1902 " .word 0x41600021 # evpe \n"
1903 " ehb \n"
1904 " .set pop \n");
1905#endif
1da177e4
LT
1906}
1907
1908static inline void tlb_write_indexed(void)
1909{
1910 __asm__ __volatile__(
1911 ".set noreorder\n\t"
1912 "tlbwi\n\t"
1913 ".set reorder");
1914}
1915
1916static inline void tlb_write_random(void)
1917{
1918 __asm__ __volatile__(
1919 ".set noreorder\n\t"
1920 "tlbwr\n\t"
1921 ".set reorder");
1922}
1923
1924/*
1925 * Manipulate bits in a c0 register.
1926 */
1927#define __BUILD_SET_C0(name) \
1928static inline unsigned int \
1929set_c0_##name(unsigned int set) \
1930{ \
89e18eb3 1931 unsigned int res, new; \
1da177e4
LT
1932 \
1933 res = read_c0_##name(); \
89e18eb3
RB
1934 new = res | set; \
1935 write_c0_##name(new); \
1da177e4
LT
1936 \
1937 return res; \
1938} \
1939 \
1940static inline unsigned int \
1941clear_c0_##name(unsigned int clear) \
1942{ \
89e18eb3 1943 unsigned int res, new; \
1da177e4
LT
1944 \
1945 res = read_c0_##name(); \
89e18eb3
RB
1946 new = res & ~clear; \
1947 write_c0_##name(new); \
1da177e4
LT
1948 \
1949 return res; \
1950} \
1951 \
1952static inline unsigned int \
89e18eb3 1953change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 1954{ \
89e18eb3 1955 unsigned int res, new; \
1da177e4
LT
1956 \
1957 res = read_c0_##name(); \
89e18eb3
RB
1958 new = res & ~change; \
1959 new |= (val & change); \
1960 write_c0_##name(new); \
1da177e4
LT
1961 \
1962 return res; \
1963}
1964
1965__BUILD_SET_C0(status)
1966__BUILD_SET_C0(cause)
1967__BUILD_SET_C0(config)
7f65afb9 1968__BUILD_SET_C0(config5)
1da177e4 1969__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
1970__BUILD_SET_C0(intctl)
1971__BUILD_SET_C0(srsmap)
a5770df0 1972__BUILD_SET_C0(pagegrain)
020232f1
KC
1973__BUILD_SET_C0(brcm_config_0)
1974__BUILD_SET_C0(brcm_bus_pll)
1975__BUILD_SET_C0(brcm_reset)
1976__BUILD_SET_C0(brcm_cmt_intr)
1977__BUILD_SET_C0(brcm_cmt_ctrl)
1978__BUILD_SET_C0(brcm_config)
1979__BUILD_SET_C0(brcm_mode)
1da177e4 1980
45b585c8
DD
1981/*
1982 * Return low 10 bits of ebase.
1983 * Note that under KVM (MIPSVZ) this returns vcpu id.
1984 */
1985static inline unsigned int get_ebase_cpunum(void)
1986{
1987 return read_c0_ebase() & 0x3ff;
1988}
1989
1da177e4
LT
1990#endif /* !__ASSEMBLY__ */
1991
1992#endif /* _ASM_MIPSREGS_H */