MIPS: math-emu: Define IEEE 754-2008 feature control bits
[deliverable/linux.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)
f1f3b7eb
MR
711#define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
712#define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
fda51906
MR
713#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
714
c491cfa2
MR
715/*
716 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
717 */
718#define MIPS_FCCR_CONDX_S 0
719#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
720#define MIPS_FCCR_COND0_S 0
721#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
722#define MIPS_FCCR_COND1_S 1
723#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
724#define MIPS_FCCR_COND2_S 2
725#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
726#define MIPS_FCCR_COND3_S 3
727#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
728#define MIPS_FCCR_COND4_S 4
729#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
730#define MIPS_FCCR_COND5_S 5
731#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
732#define MIPS_FCCR_COND6_S 6
733#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
734#define MIPS_FCCR_COND7_S 7
735#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
736
737/*
738 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
739 */
740#define MIPS_FENR_FS_S 2
741#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
742
fda51906
MR
743/*
744 * FPU Status Register Values
745 */
c491cfa2
MR
746#define FPU_CSR_COND_S 23 /* $fcc0 */
747#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
748
749#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
750#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
751
752#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
753#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
754#define FPU_CSR_COND1_S 25 /* $fcc1 */
755#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
756#define FPU_CSR_COND2_S 26 /* $fcc2 */
757#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
758#define FPU_CSR_COND3_S 27 /* $fcc3 */
759#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
760#define FPU_CSR_COND4_S 28 /* $fcc4 */
761#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
762#define FPU_CSR_COND5_S 29 /* $fcc5 */
763#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
764#define FPU_CSR_COND6_S 30 /* $fcc6 */
765#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
766#define FPU_CSR_COND7_S 31 /* $fcc7 */
767#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
fda51906
MR
768
769/*
f1f3b7eb 770 * Bits 22:20 of the FPU Status Register will be read as 0,
fda51906
MR
771 * and should be written as zero.
772 */
f1f3b7eb
MR
773#define FPU_CSR_RSVD (_ULCAST_(7) << 20)
774
775#define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
776#define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
fda51906
MR
777
778/*
779 * X the exception cause indicator
780 * E the exception enable
781 * S the sticky/flag bit
782*/
783#define FPU_CSR_ALL_X 0x0003f000
784#define FPU_CSR_UNI_X 0x00020000
785#define FPU_CSR_INV_X 0x00010000
786#define FPU_CSR_DIV_X 0x00008000
787#define FPU_CSR_OVF_X 0x00004000
788#define FPU_CSR_UDF_X 0x00002000
789#define FPU_CSR_INE_X 0x00001000
790
791#define FPU_CSR_ALL_E 0x00000f80
792#define FPU_CSR_INV_E 0x00000800
793#define FPU_CSR_DIV_E 0x00000400
794#define FPU_CSR_OVF_E 0x00000200
795#define FPU_CSR_UDF_E 0x00000100
796#define FPU_CSR_INE_E 0x00000080
797
798#define FPU_CSR_ALL_S 0x0000007c
799#define FPU_CSR_INV_S 0x00000040
800#define FPU_CSR_DIV_S 0x00000020
801#define FPU_CSR_OVF_S 0x00000010
802#define FPU_CSR_UDF_S 0x00000008
803#define FPU_CSR_INE_S 0x00000004
804
805/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
806#define FPU_CSR_RM 0x00000003
807#define FPU_CSR_RN 0x0 /* nearest */
808#define FPU_CSR_RZ 0x1 /* towards zero */
809#define FPU_CSR_RU 0x2 /* towards +Infinity */
810#define FPU_CSR_RD 0x3 /* towards -Infinity */
811
812
1da177e4
LT
813#ifndef __ASSEMBLY__
814
bfd08baa 815/*
377cb1b6 816 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 817 */
377cb1b6
RB
818#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
819 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
820#define get_isa16_mode(x) ((x) & 0x1)
821#define msk_isa16_mode(x) ((x) & ~0x1)
822#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
823#else
824#define get_isa16_mode(x) 0
825#define msk_isa16_mode(x) (x)
826#define set_isa16_mode(x) do { } while(0)
827#endif
bfd08baa
SH
828
829/*
830 * microMIPS instructions can be 16-bit or 32-bit in length. This
831 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
832 */
833static inline int mm_insn_16bit(u16 insn)
834{
835 u16 opcode = (insn >> 10) & 0x7;
836
837 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
838}
839
198bb4ce
LY
840/*
841 * TLB Invalidate Flush
842 */
843static inline void tlbinvf(void)
844{
845 __asm__ __volatile__(
846 ".set push\n\t"
847 ".set noreorder\n\t"
848 ".word 0x42000004\n\t" /* tlbinvf */
849 ".set pop");
850}
851
852
1da177e4 853/*
70342287 854 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
855 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
856 * performance counter number encoded into bits 1 ... 5 of the instruction.
857 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
858 * disassembler these will look like an access to sel 0 or 1.
859 */
860#define read_r10k_perf_cntr(counter) \
861({ \
862 unsigned int __res; \
863 __asm__ __volatile__( \
864 "mfpc\t%0, %1" \
70342287 865 : "=r" (__res) \
1da177e4
LT
866 : "i" (counter)); \
867 \
70342287 868 __res; \
1da177e4
LT
869})
870
70342287 871#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
872do { \
873 __asm__ __volatile__( \
874 "mtpc\t%0, %1" \
875 : \
876 : "r" (val), "i" (counter)); \
877} while (0)
878
879#define read_r10k_perf_event(counter) \
880({ \
881 unsigned int __res; \
882 __asm__ __volatile__( \
883 "mfps\t%0, %1" \
70342287 884 : "=r" (__res) \
1da177e4
LT
885 : "i" (counter)); \
886 \
70342287 887 __res; \
1da177e4
LT
888})
889
70342287 890#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
891do { \
892 __asm__ __volatile__( \
893 "mtps\t%0, %1" \
894 : \
895 : "r" (val), "i" (counter)); \
896} while (0)
897
898
899/*
900 * Macros to access the system control coprocessor
901 */
902
903#define __read_32bit_c0_register(source, sel) \
904({ int __res; \
905 if (sel == 0) \
906 __asm__ __volatile__( \
907 "mfc0\t%0, " #source "\n\t" \
908 : "=r" (__res)); \
909 else \
910 __asm__ __volatile__( \
911 ".set\tmips32\n\t" \
912 "mfc0\t%0, " #source ", " #sel "\n\t" \
913 ".set\tmips0\n\t" \
914 : "=r" (__res)); \
915 __res; \
916})
917
918#define __read_64bit_c0_register(source, sel) \
919({ unsigned long long __res; \
920 if (sizeof(unsigned long) == 4) \
921 __res = __read_64bit_c0_split(source, sel); \
922 else if (sel == 0) \
923 __asm__ __volatile__( \
924 ".set\tmips3\n\t" \
925 "dmfc0\t%0, " #source "\n\t" \
926 ".set\tmips0" \
927 : "=r" (__res)); \
928 else \
929 __asm__ __volatile__( \
930 ".set\tmips64\n\t" \
931 "dmfc0\t%0, " #source ", " #sel "\n\t" \
932 ".set\tmips0" \
933 : "=r" (__res)); \
934 __res; \
935})
936
937#define __write_32bit_c0_register(register, sel, value) \
938do { \
939 if (sel == 0) \
940 __asm__ __volatile__( \
941 "mtc0\t%z0, " #register "\n\t" \
0952e290 942 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
943 else \
944 __asm__ __volatile__( \
945 ".set\tmips32\n\t" \
946 "mtc0\t%z0, " #register ", " #sel "\n\t" \
947 ".set\tmips0" \
0952e290 948 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
949} while (0)
950
951#define __write_64bit_c0_register(register, sel, value) \
952do { \
953 if (sizeof(unsigned long) == 4) \
954 __write_64bit_c0_split(register, sel, value); \
955 else if (sel == 0) \
956 __asm__ __volatile__( \
957 ".set\tmips3\n\t" \
958 "dmtc0\t%z0, " #register "\n\t" \
959 ".set\tmips0" \
960 : : "Jr" (value)); \
961 else \
962 __asm__ __volatile__( \
963 ".set\tmips64\n\t" \
964 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
965 ".set\tmips0" \
966 : : "Jr" (value)); \
967} while (0)
968
969#define __read_ulong_c0_register(reg, sel) \
970 ((sizeof(unsigned long) == 4) ? \
971 (unsigned long) __read_32bit_c0_register(reg, sel) : \
972 (unsigned long) __read_64bit_c0_register(reg, sel))
973
974#define __write_ulong_c0_register(reg, sel, val) \
975do { \
976 if (sizeof(unsigned long) == 4) \
977 __write_32bit_c0_register(reg, sel, val); \
978 else \
979 __write_64bit_c0_register(reg, sel, val); \
980} while (0)
981
982/*
983 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
984 */
985#define __read_32bit_c0_ctrl_register(source) \
986({ int __res; \
987 __asm__ __volatile__( \
988 "cfc0\t%0, " #source "\n\t" \
989 : "=r" (__res)); \
990 __res; \
991})
992
993#define __write_32bit_c0_ctrl_register(register, value) \
994do { \
995 __asm__ __volatile__( \
996 "ctc0\t%z0, " #register "\n\t" \
0952e290 997 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
998} while (0)
999
1000/*
1001 * These versions are only needed for systems with more than 38 bits of
1002 * physical address space running the 32-bit kernel. That's none atm :-)
1003 */
1004#define __read_64bit_c0_split(source, sel) \
1005({ \
87d43dd4
AN
1006 unsigned long long __val; \
1007 unsigned long __flags; \
1da177e4 1008 \
87d43dd4 1009 local_irq_save(__flags); \
1da177e4
LT
1010 if (sel == 0) \
1011 __asm__ __volatile__( \
1012 ".set\tmips64\n\t" \
1013 "dmfc0\t%M0, " #source "\n\t" \
1014 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1015 "dsra\t%M0, %M0, 32\n\t" \
1016 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1017 ".set\tmips0" \
87d43dd4 1018 : "=r" (__val)); \
1da177e4
LT
1019 else \
1020 __asm__ __volatile__( \
1021 ".set\tmips64\n\t" \
1022 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1023 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1024 "dsra\t%M0, %M0, 32\n\t" \
1025 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1026 ".set\tmips0" \
87d43dd4
AN
1027 : "=r" (__val)); \
1028 local_irq_restore(__flags); \
1da177e4 1029 \
87d43dd4 1030 __val; \
1da177e4
LT
1031})
1032
1033#define __write_64bit_c0_split(source, sel, val) \
1034do { \
87d43dd4 1035 unsigned long __flags; \
1da177e4 1036 \
87d43dd4 1037 local_irq_save(__flags); \
1da177e4
LT
1038 if (sel == 0) \
1039 __asm__ __volatile__( \
1040 ".set\tmips64\n\t" \
1041 "dsll\t%L0, %L0, 32\n\t" \
1042 "dsrl\t%L0, %L0, 32\n\t" \
1043 "dsll\t%M0, %M0, 32\n\t" \
1044 "or\t%L0, %L0, %M0\n\t" \
1045 "dmtc0\t%L0, " #source "\n\t" \
1046 ".set\tmips0" \
1047 : : "r" (val)); \
1048 else \
1049 __asm__ __volatile__( \
1050 ".set\tmips64\n\t" \
1051 "dsll\t%L0, %L0, 32\n\t" \
1052 "dsrl\t%L0, %L0, 32\n\t" \
1053 "dsll\t%M0, %M0, 32\n\t" \
1054 "or\t%L0, %L0, %M0\n\t" \
1055 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1056 ".set\tmips0" \
1057 : : "r" (val)); \
87d43dd4 1058 local_irq_restore(__flags); \
1da177e4
LT
1059} while (0)
1060
23d06e4f
SH
1061#define __readx_32bit_c0_register(source) \
1062({ \
1063 unsigned int __res; \
1064 \
1065 __asm__ __volatile__( \
1066 " .set push \n" \
1067 " .set noat \n" \
1068 " .set mips32r2 \n" \
1069 " .insn \n" \
1070 " # mfhc0 $1, %1 \n" \
1071 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
1072 " move %0, $1 \n" \
1073 " .set pop \n" \
1074 : "=r" (__res) \
1075 : "i" (source)); \
1076 __res; \
1077})
1078
1079#define __writex_32bit_c0_register(register, value) \
1080do { \
1081 __asm__ __volatile__( \
1082 " .set push \n" \
1083 " .set noat \n" \
1084 " .set mips32r2 \n" \
1085 " move $1, %0 \n" \
1086 " # mthc0 $1, %1 \n" \
1087 " .insn \n" \
1088 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
1089 " .set pop \n" \
1090 : \
1091 : "r" (value), "i" (register)); \
1092} while (0)
1093
1da177e4
LT
1094#define read_c0_index() __read_32bit_c0_register($0, 0)
1095#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1096
272bace7
RB
1097#define read_c0_random() __read_32bit_c0_register($1, 0)
1098#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1099
1da177e4
LT
1100#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1101#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1102
23d06e4f
SH
1103#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1104#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1105
1da177e4
LT
1106#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1107#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1108
23d06e4f
SH
1109#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1110#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1111
1da177e4
LT
1112#define read_c0_conf() __read_32bit_c0_register($3, 0)
1113#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1114
1115#define read_c0_context() __read_ulong_c0_register($4, 0)
1116#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1117
a3692020 1118#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1119#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1120
1da177e4
LT
1121#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1122#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1123
9fe2e9d6 1124#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1125#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1126
1da177e4
LT
1127#define read_c0_wired() __read_32bit_c0_register($6, 0)
1128#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1129
1130#define read_c0_info() __read_32bit_c0_register($7, 0)
1131
70342287 1132#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1133#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1134
15c4f67a
RB
1135#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1136#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1137
1da177e4
LT
1138#define read_c0_count() __read_32bit_c0_register($9, 0)
1139#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1140
bdf21b18
PP
1141#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1142#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1143
1144#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1145#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1146
1da177e4
LT
1147#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1148#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1149
1150#define read_c0_compare() __read_32bit_c0_register($11, 0)
1151#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1152
bdf21b18
PP
1153#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1154#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1155
1156#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1157#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1158
1da177e4 1159#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1160
1da177e4
LT
1161#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1162
1163#define read_c0_cause() __read_32bit_c0_register($13, 0)
1164#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1165
1166#define read_c0_epc() __read_ulong_c0_register($14, 0)
1167#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1168
1169#define read_c0_prid() __read_32bit_c0_register($15, 0)
1170
4dd8ee5d
PB
1171#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1172
1da177e4
LT
1173#define read_c0_config() __read_32bit_c0_register($16, 0)
1174#define read_c0_config1() __read_32bit_c0_register($16, 1)
1175#define read_c0_config2() __read_32bit_c0_register($16, 2)
1176#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1177#define read_c0_config4() __read_32bit_c0_register($16, 4)
1178#define read_c0_config5() __read_32bit_c0_register($16, 5)
1179#define read_c0_config6() __read_32bit_c0_register($16, 6)
1180#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1181#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1182#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1183#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1184#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1185#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1186#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1187#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1188#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1189
b55b9e27
MC
1190#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1191#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1192#define read_c0_maar() __read_ulong_c0_register($17, 1)
1193#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1194#define read_c0_maari() __read_32bit_c0_register($17, 2)
1195#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1196
1da177e4 1197/*
25985edc 1198 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1199 */
1200#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1201#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1202#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1203#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1204#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1205#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1206#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1207#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1208#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1209#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1210#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1211#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1212#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1213#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1214#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1215#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1216
1217/*
25985edc 1218 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1219 */
1220#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1221#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1222#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1223#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1224#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1225#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1226#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1227#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1228
1229#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1230#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1231#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1232#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1233#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1234#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1235#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1236#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1237
1238#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1239#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1240
1241#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1242#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1243
1244#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1245#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1246
1da177e4
LT
1247#define read_c0_diag() __read_32bit_c0_register($22, 0)
1248#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1249
1250#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1251#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1252
1253#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1254#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1255
1256#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1257#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1258
1259#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1260#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1261
1262#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1263#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1264
1265#define read_c0_debug() __read_32bit_c0_register($23, 0)
1266#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1267
1268#define read_c0_depc() __read_ulong_c0_register($24, 0)
1269#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1270
1271/*
1272 * MIPS32 / MIPS64 performance counters
1273 */
1274#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1275#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1276#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1277#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1278#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1279#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1280#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1281#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1282#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1283#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1284#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1285#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1286#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1287#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1288#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1289#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1290#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1291#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1292#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1293#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1294#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1295#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1296#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1297#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1298
1da177e4
LT
1299#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1300#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1301
1302#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1303#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1304
1305#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1306
1307#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1308#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1309
1310#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1311#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1312
41c594ab
RB
1313#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1314#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1315
af231172
KC
1316#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1317#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1318
1319#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1320#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1321
1da177e4
LT
1322#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1323#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1324
1325#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1326#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1327
7a0fc58c 1328/* MIPSR2 */
21a151d8 1329#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1330#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1331
1332#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1333#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1334
1335#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1336#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1337
1338#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1339#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1340
21a151d8 1341#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1342#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1343
9b3274bd
JH
1344#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1345#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1346
4a0156fb
SH
1347/* MIPSR3 */
1348#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1349#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1350
1351#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1352#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1353
1354#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1355#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1356
87d08bc9
MC
1357/* Hardware Page Table Walker */
1358#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1359#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1360
1361#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1362#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1363
1364#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1365#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1366
1367#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1368#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1369
ed918c2d
DD
1370/* Cavium OCTEON (cnMIPS) */
1371#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1372#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1373
1374#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1375#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1376
1377#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1378#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1379/*
70342287 1380 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1381 * 64 bits wide.
1382 */
1383#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1384#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1385
1386#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1387#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1388
af231172
KC
1389/* BMIPS3300 */
1390#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1391#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1392
1393#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1394#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1395
1396#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1397#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1398
020232f1 1399/* BMIPS43xx */
af231172
KC
1400#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1401#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1402
1403#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1404#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1405
1406#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1407#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1408
1409#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1410#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1411
1412#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1413#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1414
1415/* BMIPS5000 */
1416#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1417#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1418
1419#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1420#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1421
1422#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1423#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1424
1425#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1426#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1427
1428#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1429#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1430
1431#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1432#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1433
1da177e4
LT
1434/*
1435 * Macros to access the floating point coprocessor control registers
1436 */
842dfc11 1437#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310
SH
1438({ \
1439 int __res; \
1440 \
1441 __asm__ __volatile__( \
1442 " .set push \n" \
1443 " .set reorder \n" \
1444 " # gas fails to assemble cfc1 for some archs, \n" \
1445 " # like Octeon. \n" \
1446 " .set mips1 \n" \
842dfc11 1447 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1448 " cfc1 %0,"STR(source)" \n" \
1449 " .set pop \n" \
1450 : "=r" (__res)); \
1451 __res; \
1452})
1da177e4 1453
5e32033e
JH
1454#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
1455do { \
1456 __asm__ __volatile__( \
1457 " .set push \n" \
1458 " .set reorder \n" \
1459 " "STR(gas_hardfloat)" \n" \
1460 " ctc1 %0,"STR(dest)" \n" \
1461 " .set pop \n" \
1462 : : "r" (val)); \
1463} while (0)
1464
842dfc11
ML
1465#ifdef GAS_HAS_SET_HARDFLOAT
1466#define read_32bit_cp1_register(source) \
1467 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
1468#define write_32bit_cp1_register(dest, val) \
1469 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
1470#else
1471#define read_32bit_cp1_register(source) \
1472 _read_32bit_cp1_register(source, )
5e32033e
JH
1473#define write_32bit_cp1_register(dest, val) \
1474 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
1475#endif
1476
32a7ede6 1477#ifdef HAVE_AS_DSP
e50c0a8f
RB
1478#define rddsp(mask) \
1479({ \
32a7ede6 1480 unsigned int __dspctl; \
e50c0a8f
RB
1481 \
1482 __asm__ __volatile__( \
63c2b681
FF
1483 " .set push \n" \
1484 " .set dsp \n" \
32a7ede6 1485 " rddsp %0, %x1 \n" \
63c2b681 1486 " .set pop \n" \
32a7ede6 1487 : "=r" (__dspctl) \
e50c0a8f 1488 : "i" (mask)); \
32a7ede6 1489 __dspctl; \
e50c0a8f
RB
1490})
1491
1492#define wrdsp(val, mask) \
1493do { \
e50c0a8f 1494 __asm__ __volatile__( \
63c2b681
FF
1495 " .set push \n" \
1496 " .set dsp \n" \
32a7ede6 1497 " wrdsp %0, %x1 \n" \
63c2b681 1498 " .set pop \n" \
70342287 1499 : \
e50c0a8f 1500 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1501} while (0)
1502
63c2b681
FF
1503#define mflo0() \
1504({ \
1505 long mflo0; \
1506 __asm__( \
1507 " .set push \n" \
1508 " .set dsp \n" \
1509 " mflo %0, $ac0 \n" \
1510 " .set pop \n" \
1511 : "=r" (mflo0)); \
1512 mflo0; \
1513})
1514
1515#define mflo1() \
1516({ \
1517 long mflo1; \
1518 __asm__( \
1519 " .set push \n" \
1520 " .set dsp \n" \
1521 " mflo %0, $ac1 \n" \
1522 " .set pop \n" \
1523 : "=r" (mflo1)); \
1524 mflo1; \
1525})
1526
1527#define mflo2() \
1528({ \
1529 long mflo2; \
1530 __asm__( \
1531 " .set push \n" \
1532 " .set dsp \n" \
1533 " mflo %0, $ac2 \n" \
1534 " .set pop \n" \
1535 : "=r" (mflo2)); \
1536 mflo2; \
1537})
1538
1539#define mflo3() \
1540({ \
1541 long mflo3; \
1542 __asm__( \
1543 " .set push \n" \
1544 " .set dsp \n" \
1545 " mflo %0, $ac3 \n" \
1546 " .set pop \n" \
1547 : "=r" (mflo3)); \
1548 mflo3; \
1549})
1550
1551#define mfhi0() \
1552({ \
1553 long mfhi0; \
1554 __asm__( \
1555 " .set push \n" \
1556 " .set dsp \n" \
1557 " mfhi %0, $ac0 \n" \
1558 " .set pop \n" \
1559 : "=r" (mfhi0)); \
1560 mfhi0; \
1561})
1562
1563#define mfhi1() \
1564({ \
1565 long mfhi1; \
1566 __asm__( \
1567 " .set push \n" \
1568 " .set dsp \n" \
1569 " mfhi %0, $ac1 \n" \
1570 " .set pop \n" \
1571 : "=r" (mfhi1)); \
1572 mfhi1; \
1573})
1574
1575#define mfhi2() \
1576({ \
1577 long mfhi2; \
1578 __asm__( \
1579 " .set push \n" \
1580 " .set dsp \n" \
1581 " mfhi %0, $ac2 \n" \
1582 " .set pop \n" \
1583 : "=r" (mfhi2)); \
1584 mfhi2; \
1585})
1586
1587#define mfhi3() \
1588({ \
1589 long mfhi3; \
1590 __asm__( \
1591 " .set push \n" \
1592 " .set dsp \n" \
1593 " mfhi %0, $ac3 \n" \
1594 " .set pop \n" \
1595 : "=r" (mfhi3)); \
1596 mfhi3; \
1597})
1598
1599
1600#define mtlo0(x) \
1601({ \
1602 __asm__( \
1603 " .set push \n" \
1604 " .set dsp \n" \
1605 " mtlo %0, $ac0 \n" \
1606 " .set pop \n" \
1607 : \
1608 : "r" (x)); \
1609})
1610
1611#define mtlo1(x) \
1612({ \
1613 __asm__( \
1614 " .set push \n" \
1615 " .set dsp \n" \
1616 " mtlo %0, $ac1 \n" \
1617 " .set pop \n" \
1618 : \
1619 : "r" (x)); \
1620})
1621
1622#define mtlo2(x) \
1623({ \
1624 __asm__( \
1625 " .set push \n" \
1626 " .set dsp \n" \
1627 " mtlo %0, $ac2 \n" \
1628 " .set pop \n" \
1629 : \
1630 : "r" (x)); \
1631})
1632
1633#define mtlo3(x) \
1634({ \
1635 __asm__( \
1636 " .set push \n" \
1637 " .set dsp \n" \
1638 " mtlo %0, $ac3 \n" \
1639 " .set pop \n" \
1640 : \
1641 : "r" (x)); \
1642})
1643
1644#define mthi0(x) \
1645({ \
1646 __asm__( \
1647 " .set push \n" \
1648 " .set dsp \n" \
1649 " mthi %0, $ac0 \n" \
1650 " .set pop \n" \
1651 : \
1652 : "r" (x)); \
1653})
1654
1655#define mthi1(x) \
1656({ \
1657 __asm__( \
1658 " .set push \n" \
1659 " .set dsp \n" \
1660 " mthi %0, $ac1 \n" \
1661 " .set pop \n" \
1662 : \
1663 : "r" (x)); \
1664})
1665
1666#define mthi2(x) \
1667({ \
1668 __asm__( \
1669 " .set push \n" \
1670 " .set dsp \n" \
1671 " mthi %0, $ac2 \n" \
1672 " .set pop \n" \
1673 : \
1674 : "r" (x)); \
1675})
1676
1677#define mthi3(x) \
1678({ \
1679 __asm__( \
1680 " .set push \n" \
1681 " .set dsp \n" \
1682 " mthi %0, $ac3 \n" \
1683 " .set pop \n" \
1684 : \
1685 : "r" (x)); \
1686})
e50c0a8f
RB
1687
1688#else
1689
d0c1b478
SH
1690#ifdef CONFIG_CPU_MICROMIPS
1691#define rddsp(mask) \
e50c0a8f 1692({ \
d0c1b478 1693 unsigned int __res; \
e50c0a8f
RB
1694 \
1695 __asm__ __volatile__( \
e50c0a8f
RB
1696 " .set push \n" \
1697 " .set noat \n" \
d0c1b478
SH
1698 " # rddsp $1, %x1 \n" \
1699 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1700 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1701 " move %0, $1 \n" \
e50c0a8f 1702 " .set pop \n" \
d0c1b478
SH
1703 : "=r" (__res) \
1704 : "i" (mask)); \
1705 __res; \
1706})
e50c0a8f 1707
d0c1b478 1708#define wrdsp(val, mask) \
e50c0a8f
RB
1709do { \
1710 __asm__ __volatile__( \
1711 " .set push \n" \
1712 " .set noat \n" \
1713 " move $1, %0 \n" \
d0c1b478
SH
1714 " # wrdsp $1, %x1 \n" \
1715 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1716 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1717 " .set pop \n" \
1718 : \
d0c1b478 1719 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1720} while (0)
1721
d0c1b478
SH
1722#define _umips_dsp_mfxxx(ins) \
1723({ \
1724 unsigned long __treg; \
1725 \
e50c0a8f
RB
1726 __asm__ __volatile__( \
1727 " .set push \n" \
1728 " .set noat \n" \
d0c1b478
SH
1729 " .hword 0x0001 \n" \
1730 " .hword %x1 \n" \
1731 " move %0, $1 \n" \
e50c0a8f 1732 " .set pop \n" \
d0c1b478
SH
1733 : "=r" (__treg) \
1734 : "i" (ins)); \
1735 __treg; \
1736})
e50c0a8f 1737
d0c1b478 1738#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1739do { \
1740 __asm__ __volatile__( \
1741 " .set push \n" \
1742 " .set noat \n" \
1743 " move $1, %0 \n" \
d0c1b478
SH
1744 " .hword 0x0001 \n" \
1745 " .hword %x1 \n" \
e50c0a8f
RB
1746 " .set pop \n" \
1747 : \
d0c1b478 1748 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1749} while (0)
1750
d0c1b478
SH
1751#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1752#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1753
1754#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1755#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1756
1757#define mflo0() _umips_dsp_mflo(0)
1758#define mflo1() _umips_dsp_mflo(1)
1759#define mflo2() _umips_dsp_mflo(2)
1760#define mflo3() _umips_dsp_mflo(3)
1761
1762#define mfhi0() _umips_dsp_mfhi(0)
1763#define mfhi1() _umips_dsp_mfhi(1)
1764#define mfhi2() _umips_dsp_mfhi(2)
1765#define mfhi3() _umips_dsp_mfhi(3)
1766
1767#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1768#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1769#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1770#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1771
1772#define mthi0(x) _umips_dsp_mthi(x, 0)
1773#define mthi1(x) _umips_dsp_mthi(x, 1)
1774#define mthi2(x) _umips_dsp_mthi(x, 2)
1775#define mthi3(x) _umips_dsp_mthi(x, 3)
1776
1777#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1778#define rddsp(mask) \
1779({ \
1780 unsigned int __res; \
1781 \
e50c0a8f 1782 __asm__ __volatile__( \
32a7ede6
SH
1783 " .set push \n" \
1784 " .set noat \n" \
1785 " # rddsp $1, %x1 \n" \
1786 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1787 " move %0, $1 \n" \
1788 " .set pop \n" \
1789 : "=r" (__res) \
1790 : "i" (mask)); \
1791 __res; \
1792})
e50c0a8f 1793
32a7ede6 1794#define wrdsp(val, mask) \
e50c0a8f
RB
1795do { \
1796 __asm__ __volatile__( \
1797 " .set push \n" \
1798 " .set noat \n" \
1799 " move $1, %0 \n" \
32a7ede6
SH
1800 " # wrdsp $1, %x1 \n" \
1801 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1802 " .set pop \n" \
32a7ede6
SH
1803 : \
1804 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1805} while (0)
1806
4cb764b4 1807#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1808({ \
1809 unsigned long __treg; \
1810 \
e50c0a8f
RB
1811 __asm__ __volatile__( \
1812 " .set push \n" \
1813 " .set noat \n" \
4cb764b4
SH
1814 " .word (0x00000810 | %1) \n" \
1815 " move %0, $1 \n" \
e50c0a8f 1816 " .set pop \n" \
4cb764b4
SH
1817 : "=r" (__treg) \
1818 : "i" (ins)); \
1819 __treg; \
1820})
e50c0a8f 1821
4cb764b4 1822#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1823do { \
1824 __asm__ __volatile__( \
1825 " .set push \n" \
1826 " .set noat \n" \
1827 " move $1, %0 \n" \
4cb764b4 1828 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1829 " .set pop \n" \
1830 : \
4cb764b4 1831 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1832} while (0)
1833
4cb764b4
SH
1834#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1835#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1836
4cb764b4
SH
1837#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1838#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1839
4cb764b4
SH
1840#define mflo0() _dsp_mflo(0)
1841#define mflo1() _dsp_mflo(1)
1842#define mflo2() _dsp_mflo(2)
1843#define mflo3() _dsp_mflo(3)
e50c0a8f 1844
4cb764b4
SH
1845#define mfhi0() _dsp_mfhi(0)
1846#define mfhi1() _dsp_mfhi(1)
1847#define mfhi2() _dsp_mfhi(2)
1848#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1849
4cb764b4
SH
1850#define mtlo0(x) _dsp_mtlo(x, 0)
1851#define mtlo1(x) _dsp_mtlo(x, 1)
1852#define mtlo2(x) _dsp_mtlo(x, 2)
1853#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1854
4cb764b4
SH
1855#define mthi0(x) _dsp_mthi(x, 0)
1856#define mthi1(x) _dsp_mthi(x, 1)
1857#define mthi2(x) _dsp_mthi(x, 2)
1858#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1859
d0c1b478 1860#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1861#endif
1862
1da177e4
LT
1863/*
1864 * TLB operations.
1865 *
1866 * It is responsibility of the caller to take care of any TLB hazards.
1867 */
1868static inline void tlb_probe(void)
1869{
1870 __asm__ __volatile__(
1871 ".set noreorder\n\t"
1872 "tlbp\n\t"
1873 ".set reorder");
1874}
1875
1876static inline void tlb_read(void)
1877{
9267a30d
MSJ
1878#if MIPS34K_MISSED_ITLB_WAR
1879 int res = 0;
1880
1881 __asm__ __volatile__(
1882 " .set push \n"
1883 " .set noreorder \n"
1884 " .set noat \n"
1885 " .set mips32r2 \n"
1886 " .word 0x41610001 # dvpe $1 \n"
1887 " move %0, $1 \n"
1888 " ehb \n"
1889 " .set pop \n"
1890 : "=r" (res));
1891
1892 instruction_hazard();
1893#endif
1894
1da177e4
LT
1895 __asm__ __volatile__(
1896 ".set noreorder\n\t"
1897 "tlbr\n\t"
1898 ".set reorder");
9267a30d
MSJ
1899
1900#if MIPS34K_MISSED_ITLB_WAR
1901 if ((res & _ULCAST_(1)))
1902 __asm__ __volatile__(
1903 " .set push \n"
1904 " .set noreorder \n"
1905 " .set noat \n"
1906 " .set mips32r2 \n"
1907 " .word 0x41600021 # evpe \n"
1908 " ehb \n"
1909 " .set pop \n");
1910#endif
1da177e4
LT
1911}
1912
1913static inline void tlb_write_indexed(void)
1914{
1915 __asm__ __volatile__(
1916 ".set noreorder\n\t"
1917 "tlbwi\n\t"
1918 ".set reorder");
1919}
1920
1921static inline void tlb_write_random(void)
1922{
1923 __asm__ __volatile__(
1924 ".set noreorder\n\t"
1925 "tlbwr\n\t"
1926 ".set reorder");
1927}
1928
1929/*
1930 * Manipulate bits in a c0 register.
1931 */
1932#define __BUILD_SET_C0(name) \
1933static inline unsigned int \
1934set_c0_##name(unsigned int set) \
1935{ \
89e18eb3 1936 unsigned int res, new; \
1da177e4
LT
1937 \
1938 res = read_c0_##name(); \
89e18eb3
RB
1939 new = res | set; \
1940 write_c0_##name(new); \
1da177e4
LT
1941 \
1942 return res; \
1943} \
1944 \
1945static inline unsigned int \
1946clear_c0_##name(unsigned int clear) \
1947{ \
89e18eb3 1948 unsigned int res, new; \
1da177e4
LT
1949 \
1950 res = read_c0_##name(); \
89e18eb3
RB
1951 new = res & ~clear; \
1952 write_c0_##name(new); \
1da177e4
LT
1953 \
1954 return res; \
1955} \
1956 \
1957static inline unsigned int \
89e18eb3 1958change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 1959{ \
89e18eb3 1960 unsigned int res, new; \
1da177e4
LT
1961 \
1962 res = read_c0_##name(); \
89e18eb3
RB
1963 new = res & ~change; \
1964 new |= (val & change); \
1965 write_c0_##name(new); \
1da177e4
LT
1966 \
1967 return res; \
1968}
1969
1970__BUILD_SET_C0(status)
1971__BUILD_SET_C0(cause)
1972__BUILD_SET_C0(config)
7f65afb9 1973__BUILD_SET_C0(config5)
1da177e4 1974__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
1975__BUILD_SET_C0(intctl)
1976__BUILD_SET_C0(srsmap)
a5770df0 1977__BUILD_SET_C0(pagegrain)
020232f1
KC
1978__BUILD_SET_C0(brcm_config_0)
1979__BUILD_SET_C0(brcm_bus_pll)
1980__BUILD_SET_C0(brcm_reset)
1981__BUILD_SET_C0(brcm_cmt_intr)
1982__BUILD_SET_C0(brcm_cmt_ctrl)
1983__BUILD_SET_C0(brcm_config)
1984__BUILD_SET_C0(brcm_mode)
1da177e4 1985
45b585c8
DD
1986/*
1987 * Return low 10 bits of ebase.
1988 * Note that under KVM (MIPSVZ) this returns vcpu id.
1989 */
1990static inline unsigned int get_ebase_cpunum(void)
1991{
1992 return read_c0_ebase() & 0x3ff;
1993}
1994
1da177e4
LT
1995#endif /* !__ASSEMBLY__ */
1996
1997#endif /* _ASM_MIPSREGS_H */
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