MIPS: CPS: Early debug using an ns16550-compatible UART
[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
195cee92 53#define CP0_HWRENA $7, 0
1da177e4 54#define CP0_BADVADDR $8
609cf6f2 55#define CP0_BADINSTR $8, 1
1da177e4
LT
56#define CP0_COUNT $9
57#define CP0_ENTRYHI $10
58#define CP0_COMPARE $11
59#define CP0_STATUS $12
60#define CP0_CAUSE $13
61#define CP0_EPC $14
62#define CP0_PRID $15
609cf6f2
PB
63#define CP0_EBASE $15, 1
64#define CP0_CMGCRBASE $15, 3
1da177e4 65#define CP0_CONFIG $16
195cee92
JH
66#define CP0_CONFIG3 $16, 3
67#define CP0_CONFIG5 $16, 5
1da177e4
LT
68#define CP0_LLADDR $17
69#define CP0_WATCHLO $18
70#define CP0_WATCHHI $19
71#define CP0_XCONTEXT $20
72#define CP0_FRAMEMASK $21
73#define CP0_DIAGNOSTIC $22
74#define CP0_DEBUG $23
75#define CP0_DEPC $24
76#define CP0_PERFORMANCE $25
77#define CP0_ECC $26
78#define CP0_CACHEERR $27
79#define CP0_TAGLO $28
80#define CP0_TAGHI $29
81#define CP0_ERROREPC $30
82#define CP0_DESAVE $31
83
84/*
85 * R4640/R4650 cp0 register names. These registers are listed
86 * here only for completeness; without MMU these CPUs are not useable
87 * by Linux. A future ELKS port might take make Linux run on them
88 * though ...
89 */
90#define CP0_IBASE $0
91#define CP0_IBOUND $1
92#define CP0_DBASE $2
93#define CP0_DBOUND $3
94#define CP0_CALG $17
95#define CP0_IWATCH $18
96#define CP0_DWATCH $19
97
98/*
99 * Coprocessor 0 Set 1 register names
100 */
101#define CP0_S1_DERRADDR0 $26
102#define CP0_S1_DERRADDR1 $27
103#define CP0_S1_INTCONTROL $20
104
7a0fc58c
RB
105/*
106 * Coprocessor 0 Set 2 register names
107 */
108#define CP0_S2_SRSCTL $12 /* MIPSR2 */
109
110/*
111 * Coprocessor 0 Set 3 register names
112 */
113#define CP0_S3_SRSMAP $12 /* MIPSR2 */
114
1da177e4
LT
115/*
116 * TX39 Series
117 */
118#define CP0_TX39_CACHE $7
119
1da177e4 120
bae637a2
JH
121/* Generic EntryLo bit definitions */
122#define ENTRYLO_G (_ULCAST_(1) << 0)
123#define ENTRYLO_V (_ULCAST_(1) << 1)
124#define ENTRYLO_D (_ULCAST_(1) << 2)
125#define ENTRYLO_C_SHIFT 3
126#define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT)
127
128/* R3000 EntryLo bit definitions */
129#define R3K_ENTRYLO_G (_ULCAST_(1) << 8)
130#define R3K_ENTRYLO_V (_ULCAST_(1) << 9)
131#define R3K_ENTRYLO_D (_ULCAST_(1) << 10)
132#define R3K_ENTRYLO_N (_ULCAST_(1) << 11)
133
134/* MIPS32/64 EntryLo bit definitions */
135#ifdef CONFIG_64BIT
136/* as read by dmfc0 */
137#define MIPS_ENTRYLO_XI (_ULCAST_(1) << 62)
138#define MIPS_ENTRYLO_RI (_ULCAST_(1) << 63)
139#else
140/* as read by mfc0 */
141#define MIPS_ENTRYLO_XI (_ULCAST_(1) << 30)
142#define MIPS_ENTRYLO_RI (_ULCAST_(1) << 31)
143#endif
144
1da177e4
LT
145/*
146 * Values for PageMask register
147 */
148#ifdef CONFIG_CPU_VR41XX
149
150/* Why doesn't stupidity hurt ... */
151
152#define PM_1K 0x00000000
153#define PM_4K 0x00001800
154#define PM_16K 0x00007800
155#define PM_64K 0x0001f800
156#define PM_256K 0x0007f800
157
158#else
159
160#define PM_4K 0x00000000
c52399be 161#define PM_8K 0x00002000
1da177e4 162#define PM_16K 0x00006000
c52399be 163#define PM_32K 0x0000e000
1da177e4 164#define PM_64K 0x0001e000
c52399be 165#define PM_128K 0x0003e000
1da177e4 166#define PM_256K 0x0007e000
c52399be 167#define PM_512K 0x000fe000
1da177e4 168#define PM_1M 0x001fe000
c52399be 169#define PM_2M 0x003fe000
1da177e4 170#define PM_4M 0x007fe000
c52399be 171#define PM_8M 0x00ffe000
1da177e4 172#define PM_16M 0x01ffe000
c52399be 173#define PM_32M 0x03ffe000
1da177e4
LT
174#define PM_64M 0x07ffe000
175#define PM_256M 0x1fffe000
542c1020 176#define PM_1G 0x7fffe000
1da177e4
LT
177
178#endif
179
180/*
181 * Default page size for a given kernel configuration
182 */
183#ifdef CONFIG_PAGE_SIZE_4KB
70342287 184#define PM_DEFAULT_MASK PM_4K
c52399be 185#elif defined(CONFIG_PAGE_SIZE_8KB)
70342287 186#define PM_DEFAULT_MASK PM_8K
1da177e4 187#elif defined(CONFIG_PAGE_SIZE_16KB)
70342287 188#define PM_DEFAULT_MASK PM_16K
c52399be 189#elif defined(CONFIG_PAGE_SIZE_32KB)
70342287 190#define PM_DEFAULT_MASK PM_32K
1da177e4 191#elif defined(CONFIG_PAGE_SIZE_64KB)
70342287 192#define PM_DEFAULT_MASK PM_64K
1da177e4
LT
193#else
194#error Bad page size configuration!
195#endif
196
dd794392
DD
197/*
198 * Default huge tlb size for a given kernel configuration
199 */
200#ifdef CONFIG_PAGE_SIZE_4KB
201#define PM_HUGE_MASK PM_1M
202#elif defined(CONFIG_PAGE_SIZE_8KB)
203#define PM_HUGE_MASK PM_4M
204#elif defined(CONFIG_PAGE_SIZE_16KB)
205#define PM_HUGE_MASK PM_16M
206#elif defined(CONFIG_PAGE_SIZE_32KB)
207#define PM_HUGE_MASK PM_64M
208#elif defined(CONFIG_PAGE_SIZE_64KB)
209#define PM_HUGE_MASK PM_256M
aa1762f4 210#elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
dd794392
DD
211#error Bad page size configuration for hugetlbfs!
212#endif
1da177e4
LT
213
214/*
215 * Values used for computation of new tlb entries
216 */
217#define PL_4K 12
218#define PL_16K 14
219#define PL_64K 16
220#define PL_256K 18
221#define PL_1M 20
222#define PL_4M 22
223#define PL_16M 24
224#define PL_64M 26
225#define PL_256M 28
226
9fe2e9d6
DD
227/*
228 * PageGrain bits
229 */
70342287
RB
230#define PG_RIE (_ULCAST_(1) << 31)
231#define PG_XIE (_ULCAST_(1) << 30)
232#define PG_ELPA (_ULCAST_(1) << 29)
233#define PG_ESP (_ULCAST_(1) << 28)
6575b1d4 234#define PG_IEC (_ULCAST_(1) << 27)
9fe2e9d6 235
bae637a2
JH
236/* MIPS32/64 EntryHI bit definitions */
237#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
238
1da177e4
LT
239/*
240 * R4x00 interrupt enable / cause bits
241 */
70342287
RB
242#define IE_SW0 (_ULCAST_(1) << 8)
243#define IE_SW1 (_ULCAST_(1) << 9)
244#define IE_IRQ0 (_ULCAST_(1) << 10)
245#define IE_IRQ1 (_ULCAST_(1) << 11)
246#define IE_IRQ2 (_ULCAST_(1) << 12)
247#define IE_IRQ3 (_ULCAST_(1) << 13)
248#define IE_IRQ4 (_ULCAST_(1) << 14)
249#define IE_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
250
251/*
252 * R4x00 interrupt cause bits
253 */
70342287
RB
254#define C_SW0 (_ULCAST_(1) << 8)
255#define C_SW1 (_ULCAST_(1) << 9)
256#define C_IRQ0 (_ULCAST_(1) << 10)
257#define C_IRQ1 (_ULCAST_(1) << 11)
258#define C_IRQ2 (_ULCAST_(1) << 12)
259#define C_IRQ3 (_ULCAST_(1) << 13)
260#define C_IRQ4 (_ULCAST_(1) << 14)
261#define C_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
262
263/*
264 * Bitfields in the R4xx0 cp0 status register
265 */
266#define ST0_IE 0x00000001
267#define ST0_EXL 0x00000002
268#define ST0_ERL 0x00000004
269#define ST0_KSU 0x00000018
270# define KSU_USER 0x00000010
271# define KSU_SUPERVISOR 0x00000008
272# define KSU_KERNEL 0x00000000
273#define ST0_UX 0x00000020
274#define ST0_SX 0x00000040
70342287 275#define ST0_KX 0x00000080
1da177e4
LT
276#define ST0_DE 0x00010000
277#define ST0_CE 0x00020000
278
279/*
280 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
281 * cacheops in userspace. This bit exists only on RM7000 and RM9000
282 * processors.
283 */
284#define ST0_CO 0x08000000
285
286/*
287 * Bitfields in the R[23]000 cp0 status register.
288 */
70342287 289#define ST0_IEC 0x00000001
1da177e4
LT
290#define ST0_KUC 0x00000002
291#define ST0_IEP 0x00000004
292#define ST0_KUP 0x00000008
293#define ST0_IEO 0x00000010
294#define ST0_KUO 0x00000020
295/* bits 6 & 7 are reserved on R[23]000 */
296#define ST0_ISC 0x00010000
297#define ST0_SWC 0x00020000
298#define ST0_CM 0x00080000
299
300/*
301 * Bits specific to the R4640/R4650
302 */
70342287 303#define ST0_UM (_ULCAST_(1) << 4)
1da177e4
LT
304#define ST0_IL (_ULCAST_(1) << 23)
305#define ST0_DL (_ULCAST_(1) << 24)
306
e50c0a8f 307/*
3301edcb 308 * Enable the MIPS MDMX and DSP ASEs
e50c0a8f
RB
309 */
310#define ST0_MX 0x01000000
311
1da177e4
LT
312/*
313 * Status register bits available in all MIPS CPUs.
314 */
315#define ST0_IM 0x0000ff00
70342287
RB
316#define STATUSB_IP0 8
317#define STATUSF_IP0 (_ULCAST_(1) << 8)
318#define STATUSB_IP1 9
319#define STATUSF_IP1 (_ULCAST_(1) << 9)
320#define STATUSB_IP2 10
321#define STATUSF_IP2 (_ULCAST_(1) << 10)
322#define STATUSB_IP3 11
323#define STATUSF_IP3 (_ULCAST_(1) << 11)
324#define STATUSB_IP4 12
325#define STATUSF_IP4 (_ULCAST_(1) << 12)
326#define STATUSB_IP5 13
327#define STATUSF_IP5 (_ULCAST_(1) << 13)
328#define STATUSB_IP6 14
329#define STATUSF_IP6 (_ULCAST_(1) << 14)
330#define STATUSB_IP7 15
331#define STATUSF_IP7 (_ULCAST_(1) << 15)
332#define STATUSB_IP8 0
333#define STATUSF_IP8 (_ULCAST_(1) << 0)
334#define STATUSB_IP9 1
335#define STATUSF_IP9 (_ULCAST_(1) << 1)
336#define STATUSB_IP10 2
337#define STATUSF_IP10 (_ULCAST_(1) << 2)
338#define STATUSB_IP11 3
339#define STATUSF_IP11 (_ULCAST_(1) << 3)
340#define STATUSB_IP12 4
341#define STATUSF_IP12 (_ULCAST_(1) << 4)
342#define STATUSB_IP13 5
343#define STATUSF_IP13 (_ULCAST_(1) << 5)
344#define STATUSB_IP14 6
345#define STATUSF_IP14 (_ULCAST_(1) << 6)
346#define STATUSB_IP15 7
347#define STATUSF_IP15 (_ULCAST_(1) << 7)
1da177e4 348#define ST0_CH 0x00040000
96ffa02d 349#define ST0_NMI 0x00080000
1da177e4
LT
350#define ST0_SR 0x00100000
351#define ST0_TS 0x00200000
352#define ST0_BEV 0x00400000
353#define ST0_RE 0x02000000
354#define ST0_FR 0x04000000
355#define ST0_CU 0xf0000000
356#define ST0_CU0 0x10000000
357#define ST0_CU1 0x20000000
358#define ST0_CU2 0x40000000
359#define ST0_CU3 0x80000000
360#define ST0_XX 0x80000000 /* MIPS IV naming */
361
010c108d
DV
362/*
363 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
010c108d 364 */
9323f84f
JH
365#define INTCTLB_IPFDC 23
366#define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
010c108d
DV
367#define INTCTLB_IPPCI 26
368#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
369#define INTCTLB_IPTI 29
370#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
371
1da177e4
LT
372/*
373 * Bitfields and bit numbers in the coprocessor 0 cause register.
374 *
375 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
376 */
1054533a
MR
377#define CAUSEB_EXCCODE 2
378#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
379#define CAUSEB_IP 8
380#define CAUSEF_IP (_ULCAST_(255) << 8)
70342287
RB
381#define CAUSEB_IP0 8
382#define CAUSEF_IP0 (_ULCAST_(1) << 8)
383#define CAUSEB_IP1 9
384#define CAUSEF_IP1 (_ULCAST_(1) << 9)
385#define CAUSEB_IP2 10
386#define CAUSEF_IP2 (_ULCAST_(1) << 10)
387#define CAUSEB_IP3 11
388#define CAUSEF_IP3 (_ULCAST_(1) << 11)
389#define CAUSEB_IP4 12
390#define CAUSEF_IP4 (_ULCAST_(1) << 12)
391#define CAUSEB_IP5 13
392#define CAUSEF_IP5 (_ULCAST_(1) << 13)
393#define CAUSEB_IP6 14
394#define CAUSEF_IP6 (_ULCAST_(1) << 14)
395#define CAUSEB_IP7 15
396#define CAUSEF_IP7 (_ULCAST_(1) << 15)
1054533a
MR
397#define CAUSEB_FDCI 21
398#define CAUSEF_FDCI (_ULCAST_(1) << 21)
399#define CAUSEB_IV 23
400#define CAUSEF_IV (_ULCAST_(1) << 23)
401#define CAUSEB_PCI 26
402#define CAUSEF_PCI (_ULCAST_(1) << 26)
403#define CAUSEB_CE 28
404#define CAUSEF_CE (_ULCAST_(3) << 28)
405#define CAUSEB_TI 30
406#define CAUSEF_TI (_ULCAST_(1) << 30)
407#define CAUSEB_BD 31
408#define CAUSEF_BD (_ULCAST_(1) << 31)
1da177e4
LT
409
410/*
411 * Bits in the coprocessor 0 config register.
412 */
413/* Generic bits. */
414#define CONF_CM_CACHABLE_NO_WA 0
415#define CONF_CM_CACHABLE_WA 1
416#define CONF_CM_UNCACHED 2
417#define CONF_CM_CACHABLE_NONCOHERENT 3
418#define CONF_CM_CACHABLE_CE 4
419#define CONF_CM_CACHABLE_COW 5
420#define CONF_CM_CACHABLE_CUW 6
421#define CONF_CM_CACHABLE_ACCELERATED 7
422#define CONF_CM_CMASK 7
423#define CONF_BE (_ULCAST_(1) << 15)
424
425/* Bits common to various processors. */
70342287
RB
426#define CONF_CU (_ULCAST_(1) << 3)
427#define CONF_DB (_ULCAST_(1) << 4)
428#define CONF_IB (_ULCAST_(1) << 5)
429#define CONF_DC (_ULCAST_(7) << 6)
430#define CONF_IC (_ULCAST_(7) << 9)
1da177e4
LT
431#define CONF_EB (_ULCAST_(1) << 13)
432#define CONF_EM (_ULCAST_(1) << 14)
433#define CONF_SM (_ULCAST_(1) << 16)
434#define CONF_SC (_ULCAST_(1) << 17)
435#define CONF_EW (_ULCAST_(3) << 18)
436#define CONF_EP (_ULCAST_(15)<< 24)
437#define CONF_EC (_ULCAST_(7) << 28)
438#define CONF_CM (_ULCAST_(1) << 31)
439
70342287 440/* Bits specific to the R4xx0. */
1da177e4
LT
441#define R4K_CONF_SW (_ULCAST_(1) << 20)
442#define R4K_CONF_SS (_ULCAST_(1) << 21)
e20368d5 443#define R4K_CONF_SB (_ULCAST_(3) << 22)
1da177e4 444
70342287 445/* Bits specific to the R5000. */
1da177e4
LT
446#define R5K_CONF_SE (_ULCAST_(1) << 12)
447#define R5K_CONF_SS (_ULCAST_(3) << 20)
448
70342287
RB
449/* Bits specific to the RM7000. */
450#define RM7K_CONF_SE (_ULCAST_(1) << 3)
c6ad7b7d
MR
451#define RM7K_CONF_TE (_ULCAST_(1) << 12)
452#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
453#define RM7K_CONF_TC (_ULCAST_(1) << 17)
454#define RM7K_CONF_SI (_ULCAST_(3) << 20)
455#define RM7K_CONF_SC (_ULCAST_(1) << 31)
ba5187db 456
70342287
RB
457/* Bits specific to the R10000. */
458#define R10K_CONF_DN (_ULCAST_(3) << 3)
459#define R10K_CONF_CT (_ULCAST_(1) << 5)
460#define R10K_CONF_PE (_ULCAST_(1) << 6)
461#define R10K_CONF_PM (_ULCAST_(3) << 7)
462#define R10K_CONF_EC (_ULCAST_(15)<< 9)
1da177e4
LT
463#define R10K_CONF_SB (_ULCAST_(1) << 13)
464#define R10K_CONF_SK (_ULCAST_(1) << 14)
465#define R10K_CONF_SS (_ULCAST_(7) << 16)
466#define R10K_CONF_SC (_ULCAST_(7) << 19)
467#define R10K_CONF_DC (_ULCAST_(7) << 26)
468#define R10K_CONF_IC (_ULCAST_(7) << 29)
469
70342287 470/* Bits specific to the VR41xx. */
1da177e4 471#define VR41_CONF_CS (_ULCAST_(1) << 12)
2874fe55 472#define VR41_CONF_P4K (_ULCAST_(1) << 13)
4e8ab361 473#define VR41_CONF_BP (_ULCAST_(1) << 16)
1da177e4
LT
474#define VR41_CONF_M16 (_ULCAST_(1) << 20)
475#define VR41_CONF_AD (_ULCAST_(1) << 23)
476
70342287 477/* Bits specific to the R30xx. */
1da177e4
LT
478#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
479#define R30XX_CONF_REV (_ULCAST_(1) << 22)
480#define R30XX_CONF_AC (_ULCAST_(1) << 23)
481#define R30XX_CONF_RF (_ULCAST_(1) << 24)
482#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
483#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
484#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
485#define R30XX_CONF_SB (_ULCAST_(1) << 30)
486#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
487
488/* Bits specific to the TX49. */
489#define TX49_CONF_DC (_ULCAST_(1) << 16)
490#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
491#define TX49_CONF_HALT (_ULCAST_(1) << 18)
492#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
493
70342287
RB
494/* Bits specific to the MIPS32/64 PRA. */
495#define MIPS_CONF_MT (_ULCAST_(7) << 7)
2f6f3136
JH
496#define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7)
497#define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
1da177e4
LT
498#define MIPS_CONF_AR (_ULCAST_(7) << 10)
499#define MIPS_CONF_AT (_ULCAST_(3) << 13)
500#define MIPS_CONF_M (_ULCAST_(1) << 31)
501
4194318c
RB
502/*
503 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
504 */
70342287
RB
505#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
506#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
507#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
508#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
509#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
510#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
511#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
512#define MIPS_CONF1_DA_SHF 7
513#define MIPS_CONF1_DA_SZ 3
70342287 514#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
515#define MIPS_CONF1_DL_SHF 10
516#define MIPS_CONF1_DL_SZ 3
4194318c 517#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
518#define MIPS_CONF1_DS_SHF 13
519#define MIPS_CONF1_DS_SZ 3
4194318c 520#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
521#define MIPS_CONF1_IA_SHF 16
522#define MIPS_CONF1_IA_SZ 3
4194318c 523#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
524#define MIPS_CONF1_IL_SHF 19
525#define MIPS_CONF1_IL_SZ 3
4194318c 526#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
527#define MIPS_CONF1_IS_SHF 22
528#define MIPS_CONF1_IS_SZ 3
4194318c 529#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
530#define MIPS_CONF1_TLBS_SHIFT (25)
531#define MIPS_CONF1_TLBS_SIZE (6)
532#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 533
70342287
RB
534#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
535#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
536#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
537#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
538#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
539#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
540#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
541#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
542
70342287
RB
543#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
544#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
545#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 546#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
547#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
548#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
549#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
550#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
551#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
552#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 553#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 554#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 555#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 556#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 557#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 558#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
559#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
560#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
561#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 562#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
563#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
564#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
565#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
566#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
567#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
568#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
569#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
570
571#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 572#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba 573#define MIPS_CONF4_FTLBSETS_SHIFT (0)
691038ba
LY
574#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
575#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
576#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
577#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
578/* bits 10:8 in FTLB-only configurations */
579#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
580/* bits 12:8 in VTLB-FTLB only configurations */
581#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
1b362e3e
DD
582#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
583#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
691038ba
LY
584#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
585#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
586#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16)
587#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
588#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
589#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
590#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
591#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
1b362e3e 592
2f9ee82c
RB
593#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
594#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
e19d5dba 595#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
5aed9da1 596#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
23d06e4f 597#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
5ff04a84
PB
598#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
599#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
600#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
601#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
602#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
603#define MIPS_CONF5_K (_ULCAST_(1) << 30)
604
006a851b 605#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
606/* proAptiv FTLB on/off bit */
607#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
cf0a8aa0
MC
608/* FTLB probability bits */
609#define MIPS_CONF6_FTLBP_SHIFT (16)
006a851b 610
4b3e975e
RB
611#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
612
9267a30d
MSJ
613#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
614
02dc6bfb
MC
615#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
616#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
20a7f7e5
MC
617/* FTLB probability bits for R6 */
618#define MIPS_CONF7_FTLBP_SHIFT (18)
02dc6bfb 619
e19d5dba
PB
620/* MAAR bit definitions */
621#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
622#define MIPS_MAAR_ADDR_SHIFT 12
623#define MIPS_MAAR_S (_ULCAST_(1) << 1)
624#define MIPS_MAAR_V (_ULCAST_(1) << 0)
625
4dd8ee5d
PB
626/* CMGCRBase bit definitions */
627#define MIPS_CMGCRB_BASE 11
628#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
629
4a0156fb
SH
630/*
631 * Bits in the MIPS32 Memory Segmentation registers.
632 */
633#define MIPS_SEGCFG_PA_SHIFT 9
634#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
635#define MIPS_SEGCFG_AM_SHIFT 4
636#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
637#define MIPS_SEGCFG_EU_SHIFT 3
638#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
639#define MIPS_SEGCFG_C_SHIFT 0
640#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
641
642#define MIPS_SEGCFG_UUSK _ULCAST_(7)
643#define MIPS_SEGCFG_USK _ULCAST_(5)
644#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
645#define MIPS_SEGCFG_MUSK _ULCAST_(3)
646#define MIPS_SEGCFG_MSK _ULCAST_(2)
647#define MIPS_SEGCFG_MK _ULCAST_(1)
648#define MIPS_SEGCFG_UK _ULCAST_(0)
649
87d08bc9
MC
650#define MIPS_PWFIELD_GDI_SHIFT 24
651#define MIPS_PWFIELD_GDI_MASK 0x3f000000
652#define MIPS_PWFIELD_UDI_SHIFT 18
653#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
654#define MIPS_PWFIELD_MDI_SHIFT 12
655#define MIPS_PWFIELD_MDI_MASK 0x0003f000
656#define MIPS_PWFIELD_PTI_SHIFT 6
657#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
658#define MIPS_PWFIELD_PTEI_SHIFT 0
659#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
660
661#define MIPS_PWSIZE_GDW_SHIFT 24
662#define MIPS_PWSIZE_GDW_MASK 0x3f000000
663#define MIPS_PWSIZE_UDW_SHIFT 18
664#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
665#define MIPS_PWSIZE_MDW_SHIFT 12
666#define MIPS_PWSIZE_MDW_MASK 0x0003f000
667#define MIPS_PWSIZE_PTW_SHIFT 6
668#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
669#define MIPS_PWSIZE_PTEW_SHIFT 0
670#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
671
672#define MIPS_PWCTL_PWEN_SHIFT 31
673#define MIPS_PWCTL_PWEN_MASK 0x80000000
674#define MIPS_PWCTL_DPH_SHIFT 7
675#define MIPS_PWCTL_DPH_MASK 0x00000080
676#define MIPS_PWCTL_HUGEPG_SHIFT 6
677#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
678#define MIPS_PWCTL_PSN_SHIFT 0
679#define MIPS_PWCTL_PSN_MASK 0x0000003f
680
9b3274bd
JH
681/* CDMMBase register bit definitions */
682#define MIPS_CDMMBASE_SIZE_SHIFT 0
683#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
684#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
685#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
686#define MIPS_CDMMBASE_ADDR_SHIFT 11
687#define MIPS_CDMMBASE_ADDR_START 15
688
e08384ca
MR
689/*
690 * Bitfields in the TX39 family CP0 Configuration Register 3
691 */
692#define TX39_CONF_ICS_SHIFT 19
693#define TX39_CONF_ICS_MASK 0x00380000
694#define TX39_CONF_ICS_1KB 0x00000000
695#define TX39_CONF_ICS_2KB 0x00080000
696#define TX39_CONF_ICS_4KB 0x00100000
697#define TX39_CONF_ICS_8KB 0x00180000
698#define TX39_CONF_ICS_16KB 0x00200000
699
700#define TX39_CONF_DCS_SHIFT 16
701#define TX39_CONF_DCS_MASK 0x00070000
702#define TX39_CONF_DCS_1KB 0x00000000
703#define TX39_CONF_DCS_2KB 0x00010000
704#define TX39_CONF_DCS_4KB 0x00020000
705#define TX39_CONF_DCS_8KB 0x00030000
706#define TX39_CONF_DCS_16KB 0x00040000
707
708#define TX39_CONF_CWFON 0x00004000
709#define TX39_CONF_WBON 0x00002000
710#define TX39_CONF_RF_SHIFT 10
711#define TX39_CONF_RF_MASK 0x00000c00
712#define TX39_CONF_DOZE 0x00000200
713#define TX39_CONF_HALT 0x00000100
714#define TX39_CONF_LOCK 0x00000080
715#define TX39_CONF_ICE 0x00000020
716#define TX39_CONF_DCE 0x00000010
717#define TX39_CONF_IRSIZE_SHIFT 2
718#define TX39_CONF_IRSIZE_MASK 0x0000000c
719#define TX39_CONF_DRSIZE_SHIFT 0
720#define TX39_CONF_DRSIZE_MASK 0x00000003
721
8d5ded16
JK
722/*
723 * Interesting Bits in the R10K CP0 Branch Diagnostic Register
724 */
725/* Disable Branch Target Address Cache */
726#define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27)
727/* Enable Branch Prediction Global History */
728#define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26)
729/* Disable Branch Return Cache */
730#define R10K_DIAG_D_BRC (_ULCAST_(1) << 22)
fda51906
MR
731
732/*
733 * Coprocessor 1 (FPU) register names
734 */
c491cfa2
MR
735#define CP1_REVISION $0
736#define CP1_UFR $1
737#define CP1_UNFR $4
738#define CP1_FCCR $25
739#define CP1_FEXR $26
740#define CP1_FENR $28
741#define CP1_STATUS $31
fda51906
MR
742
743
744/*
745 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
746 */
747#define MIPS_FPIR_S (_ULCAST_(1) << 16)
748#define MIPS_FPIR_D (_ULCAST_(1) << 17)
749#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
750#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
751#define MIPS_FPIR_W (_ULCAST_(1) << 20)
752#define MIPS_FPIR_L (_ULCAST_(1) << 21)
753#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
f1f3b7eb
MR
754#define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
755#define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
fda51906
MR
756#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
757
c491cfa2
MR
758/*
759 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
760 */
761#define MIPS_FCCR_CONDX_S 0
762#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
763#define MIPS_FCCR_COND0_S 0
764#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
765#define MIPS_FCCR_COND1_S 1
766#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
767#define MIPS_FCCR_COND2_S 2
768#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
769#define MIPS_FCCR_COND3_S 3
770#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
771#define MIPS_FCCR_COND4_S 4
772#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
773#define MIPS_FCCR_COND5_S 5
774#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
775#define MIPS_FCCR_COND6_S 6
776#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
777#define MIPS_FCCR_COND7_S 7
778#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
779
780/*
781 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
782 */
783#define MIPS_FENR_FS_S 2
784#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
785
fda51906
MR
786/*
787 * FPU Status Register Values
788 */
c491cfa2
MR
789#define FPU_CSR_COND_S 23 /* $fcc0 */
790#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
791
792#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
793#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
794
795#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
796#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
797#define FPU_CSR_COND1_S 25 /* $fcc1 */
798#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
799#define FPU_CSR_COND2_S 26 /* $fcc2 */
800#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
801#define FPU_CSR_COND3_S 27 /* $fcc3 */
802#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
803#define FPU_CSR_COND4_S 28 /* $fcc4 */
804#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
805#define FPU_CSR_COND5_S 29 /* $fcc5 */
806#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
807#define FPU_CSR_COND6_S 30 /* $fcc6 */
808#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
809#define FPU_CSR_COND7_S 31 /* $fcc7 */
810#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
fda51906
MR
811
812/*
f1f3b7eb 813 * Bits 22:20 of the FPU Status Register will be read as 0,
fda51906
MR
814 * and should be written as zero.
815 */
f1f3b7eb
MR
816#define FPU_CSR_RSVD (_ULCAST_(7) << 20)
817
818#define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
819#define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
fda51906
MR
820
821/*
822 * X the exception cause indicator
823 * E the exception enable
824 * S the sticky/flag bit
825*/
826#define FPU_CSR_ALL_X 0x0003f000
827#define FPU_CSR_UNI_X 0x00020000
828#define FPU_CSR_INV_X 0x00010000
829#define FPU_CSR_DIV_X 0x00008000
830#define FPU_CSR_OVF_X 0x00004000
831#define FPU_CSR_UDF_X 0x00002000
832#define FPU_CSR_INE_X 0x00001000
833
834#define FPU_CSR_ALL_E 0x00000f80
835#define FPU_CSR_INV_E 0x00000800
836#define FPU_CSR_DIV_E 0x00000400
837#define FPU_CSR_OVF_E 0x00000200
838#define FPU_CSR_UDF_E 0x00000100
839#define FPU_CSR_INE_E 0x00000080
840
841#define FPU_CSR_ALL_S 0x0000007c
842#define FPU_CSR_INV_S 0x00000040
843#define FPU_CSR_DIV_S 0x00000020
844#define FPU_CSR_OVF_S 0x00000010
845#define FPU_CSR_UDF_S 0x00000008
846#define FPU_CSR_INE_S 0x00000004
847
848/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
849#define FPU_CSR_RM 0x00000003
850#define FPU_CSR_RN 0x0 /* nearest */
851#define FPU_CSR_RZ 0x1 /* towards zero */
852#define FPU_CSR_RU 0x2 /* towards +Infinity */
853#define FPU_CSR_RD 0x3 /* towards -Infinity */
854
855
1da177e4
LT
856#ifndef __ASSEMBLY__
857
bfd08baa 858/*
377cb1b6 859 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 860 */
377cb1b6
RB
861#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
862 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
863#define get_isa16_mode(x) ((x) & 0x1)
864#define msk_isa16_mode(x) ((x) & ~0x1)
865#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
866#else
867#define get_isa16_mode(x) 0
868#define msk_isa16_mode(x) (x)
869#define set_isa16_mode(x) do { } while(0)
870#endif
bfd08baa
SH
871
872/*
873 * microMIPS instructions can be 16-bit or 32-bit in length. This
874 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
875 */
876static inline int mm_insn_16bit(u16 insn)
877{
878 u16 opcode = (insn >> 10) & 0x7;
879
880 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
881}
882
198bb4ce
LY
883/*
884 * TLB Invalidate Flush
885 */
886static inline void tlbinvf(void)
887{
888 __asm__ __volatile__(
889 ".set push\n\t"
890 ".set noreorder\n\t"
891 ".word 0x42000004\n\t" /* tlbinvf */
892 ".set pop");
893}
894
895
1da177e4 896/*
70342287 897 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
898 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
899 * performance counter number encoded into bits 1 ... 5 of the instruction.
900 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
901 * disassembler these will look like an access to sel 0 or 1.
902 */
903#define read_r10k_perf_cntr(counter) \
904({ \
905 unsigned int __res; \
906 __asm__ __volatile__( \
907 "mfpc\t%0, %1" \
70342287 908 : "=r" (__res) \
1da177e4
LT
909 : "i" (counter)); \
910 \
70342287 911 __res; \
1da177e4
LT
912})
913
70342287 914#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
915do { \
916 __asm__ __volatile__( \
917 "mtpc\t%0, %1" \
918 : \
919 : "r" (val), "i" (counter)); \
920} while (0)
921
922#define read_r10k_perf_event(counter) \
923({ \
924 unsigned int __res; \
925 __asm__ __volatile__( \
926 "mfps\t%0, %1" \
70342287 927 : "=r" (__res) \
1da177e4
LT
928 : "i" (counter)); \
929 \
70342287 930 __res; \
1da177e4
LT
931})
932
70342287 933#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
934do { \
935 __asm__ __volatile__( \
936 "mtps\t%0, %1" \
937 : \
938 : "r" (val), "i" (counter)); \
939} while (0)
940
941
942/*
943 * Macros to access the system control coprocessor
944 */
945
946#define __read_32bit_c0_register(source, sel) \
82eb8f73 947({ unsigned int __res; \
1da177e4
LT
948 if (sel == 0) \
949 __asm__ __volatile__( \
950 "mfc0\t%0, " #source "\n\t" \
951 : "=r" (__res)); \
952 else \
953 __asm__ __volatile__( \
954 ".set\tmips32\n\t" \
955 "mfc0\t%0, " #source ", " #sel "\n\t" \
956 ".set\tmips0\n\t" \
957 : "=r" (__res)); \
958 __res; \
959})
960
961#define __read_64bit_c0_register(source, sel) \
962({ unsigned long long __res; \
963 if (sizeof(unsigned long) == 4) \
964 __res = __read_64bit_c0_split(source, sel); \
965 else if (sel == 0) \
966 __asm__ __volatile__( \
967 ".set\tmips3\n\t" \
968 "dmfc0\t%0, " #source "\n\t" \
969 ".set\tmips0" \
970 : "=r" (__res)); \
971 else \
972 __asm__ __volatile__( \
973 ".set\tmips64\n\t" \
974 "dmfc0\t%0, " #source ", " #sel "\n\t" \
975 ".set\tmips0" \
976 : "=r" (__res)); \
977 __res; \
978})
979
980#define __write_32bit_c0_register(register, sel, value) \
981do { \
982 if (sel == 0) \
983 __asm__ __volatile__( \
984 "mtc0\t%z0, " #register "\n\t" \
0952e290 985 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
986 else \
987 __asm__ __volatile__( \
988 ".set\tmips32\n\t" \
989 "mtc0\t%z0, " #register ", " #sel "\n\t" \
990 ".set\tmips0" \
0952e290 991 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
992} while (0)
993
994#define __write_64bit_c0_register(register, sel, value) \
995do { \
996 if (sizeof(unsigned long) == 4) \
997 __write_64bit_c0_split(register, sel, value); \
998 else if (sel == 0) \
999 __asm__ __volatile__( \
1000 ".set\tmips3\n\t" \
1001 "dmtc0\t%z0, " #register "\n\t" \
1002 ".set\tmips0" \
1003 : : "Jr" (value)); \
1004 else \
1005 __asm__ __volatile__( \
1006 ".set\tmips64\n\t" \
1007 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
1008 ".set\tmips0" \
1009 : : "Jr" (value)); \
1010} while (0)
1011
1012#define __read_ulong_c0_register(reg, sel) \
1013 ((sizeof(unsigned long) == 4) ? \
1014 (unsigned long) __read_32bit_c0_register(reg, sel) : \
1015 (unsigned long) __read_64bit_c0_register(reg, sel))
1016
1017#define __write_ulong_c0_register(reg, sel, val) \
1018do { \
1019 if (sizeof(unsigned long) == 4) \
1020 __write_32bit_c0_register(reg, sel, val); \
1021 else \
1022 __write_64bit_c0_register(reg, sel, val); \
1023} while (0)
1024
1025/*
1026 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1027 */
1028#define __read_32bit_c0_ctrl_register(source) \
82eb8f73 1029({ unsigned int __res; \
1da177e4
LT
1030 __asm__ __volatile__( \
1031 "cfc0\t%0, " #source "\n\t" \
1032 : "=r" (__res)); \
1033 __res; \
1034})
1035
1036#define __write_32bit_c0_ctrl_register(register, value) \
1037do { \
1038 __asm__ __volatile__( \
1039 "ctc0\t%z0, " #register "\n\t" \
0952e290 1040 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
1041} while (0)
1042
1043/*
1044 * These versions are only needed for systems with more than 38 bits of
1045 * physical address space running the 32-bit kernel. That's none atm :-)
1046 */
1047#define __read_64bit_c0_split(source, sel) \
1048({ \
87d43dd4
AN
1049 unsigned long long __val; \
1050 unsigned long __flags; \
1da177e4 1051 \
87d43dd4 1052 local_irq_save(__flags); \
1da177e4
LT
1053 if (sel == 0) \
1054 __asm__ __volatile__( \
1055 ".set\tmips64\n\t" \
1056 "dmfc0\t%M0, " #source "\n\t" \
1057 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1058 "dsra\t%M0, %M0, 32\n\t" \
1059 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1060 ".set\tmips0" \
87d43dd4 1061 : "=r" (__val)); \
1da177e4
LT
1062 else \
1063 __asm__ __volatile__( \
1064 ".set\tmips64\n\t" \
1065 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1066 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1067 "dsra\t%M0, %M0, 32\n\t" \
1068 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1069 ".set\tmips0" \
87d43dd4
AN
1070 : "=r" (__val)); \
1071 local_irq_restore(__flags); \
1da177e4 1072 \
87d43dd4 1073 __val; \
1da177e4
LT
1074})
1075
1076#define __write_64bit_c0_split(source, sel, val) \
1077do { \
87d43dd4 1078 unsigned long __flags; \
1da177e4 1079 \
87d43dd4 1080 local_irq_save(__flags); \
1da177e4
LT
1081 if (sel == 0) \
1082 __asm__ __volatile__( \
1083 ".set\tmips64\n\t" \
1084 "dsll\t%L0, %L0, 32\n\t" \
1085 "dsrl\t%L0, %L0, 32\n\t" \
1086 "dsll\t%M0, %M0, 32\n\t" \
1087 "or\t%L0, %L0, %M0\n\t" \
1088 "dmtc0\t%L0, " #source "\n\t" \
1089 ".set\tmips0" \
1090 : : "r" (val)); \
1091 else \
1092 __asm__ __volatile__( \
1093 ".set\tmips64\n\t" \
1094 "dsll\t%L0, %L0, 32\n\t" \
1095 "dsrl\t%L0, %L0, 32\n\t" \
1096 "dsll\t%M0, %M0, 32\n\t" \
1097 "or\t%L0, %L0, %M0\n\t" \
1098 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1099 ".set\tmips0" \
1100 : : "r" (val)); \
87d43dd4 1101 local_irq_restore(__flags); \
1da177e4
LT
1102} while (0)
1103
23d06e4f
SH
1104#define __readx_32bit_c0_register(source) \
1105({ \
1106 unsigned int __res; \
1107 \
1108 __asm__ __volatile__( \
1109 " .set push \n" \
1110 " .set noat \n" \
1111 " .set mips32r2 \n" \
1112 " .insn \n" \
1113 " # mfhc0 $1, %1 \n" \
1114 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
1115 " move %0, $1 \n" \
1116 " .set pop \n" \
1117 : "=r" (__res) \
1118 : "i" (source)); \
1119 __res; \
1120})
1121
1122#define __writex_32bit_c0_register(register, value) \
1123do { \
1124 __asm__ __volatile__( \
1125 " .set push \n" \
1126 " .set noat \n" \
1127 " .set mips32r2 \n" \
1128 " move $1, %0 \n" \
1129 " # mthc0 $1, %1 \n" \
1130 " .insn \n" \
1131 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
1132 " .set pop \n" \
1133 : \
1134 : "r" (value), "i" (register)); \
1135} while (0)
1136
1da177e4
LT
1137#define read_c0_index() __read_32bit_c0_register($0, 0)
1138#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1139
272bace7
RB
1140#define read_c0_random() __read_32bit_c0_register($1, 0)
1141#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1142
1da177e4
LT
1143#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1144#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1145
23d06e4f
SH
1146#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1147#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1148
1da177e4
LT
1149#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1150#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1151
23d06e4f
SH
1152#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1153#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1154
1da177e4
LT
1155#define read_c0_conf() __read_32bit_c0_register($3, 0)
1156#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1157
1158#define read_c0_context() __read_ulong_c0_register($4, 0)
1159#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1160
a3692020 1161#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1162#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1163
1da177e4
LT
1164#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1165#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1166
9fe2e9d6 1167#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1168#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1169
1da177e4
LT
1170#define read_c0_wired() __read_32bit_c0_register($6, 0)
1171#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1172
1173#define read_c0_info() __read_32bit_c0_register($7, 0)
1174
70342287 1175#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1176#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1177
15c4f67a
RB
1178#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1179#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1180
1da177e4
LT
1181#define read_c0_count() __read_32bit_c0_register($9, 0)
1182#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1183
bdf21b18
PP
1184#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1185#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1186
1187#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1188#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1189
1da177e4
LT
1190#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1191#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1192
1193#define read_c0_compare() __read_32bit_c0_register($11, 0)
1194#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1195
bdf21b18
PP
1196#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1197#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1198
1199#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1200#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1201
1da177e4 1202#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1203
1da177e4
LT
1204#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1205
1206#define read_c0_cause() __read_32bit_c0_register($13, 0)
1207#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1208
1209#define read_c0_epc() __read_ulong_c0_register($14, 0)
1210#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1211
1212#define read_c0_prid() __read_32bit_c0_register($15, 0)
1213
4dd8ee5d
PB
1214#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1215
1da177e4
LT
1216#define read_c0_config() __read_32bit_c0_register($16, 0)
1217#define read_c0_config1() __read_32bit_c0_register($16, 1)
1218#define read_c0_config2() __read_32bit_c0_register($16, 2)
1219#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1220#define read_c0_config4() __read_32bit_c0_register($16, 4)
1221#define read_c0_config5() __read_32bit_c0_register($16, 5)
1222#define read_c0_config6() __read_32bit_c0_register($16, 6)
1223#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1224#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1225#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1226#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1227#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1228#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1229#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1230#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1231#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1232
b55b9e27
MC
1233#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1234#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1235#define read_c0_maar() __read_ulong_c0_register($17, 1)
1236#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1237#define read_c0_maari() __read_32bit_c0_register($17, 2)
1238#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1239
1da177e4 1240/*
25985edc 1241 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1242 */
1243#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1244#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1245#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1246#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1247#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1248#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1249#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1250#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1251#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1252#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1253#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1254#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1255#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1256#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1257#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1258#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1259
1260/*
25985edc 1261 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1262 */
1263#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1264#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1265#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1266#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1267#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1268#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1269#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1270#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1271
1272#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1273#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1274#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1275#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1276#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1277#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1278#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1279#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1280
1281#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1282#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1283
1284#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1285#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1286
1287#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1288#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1289
1da177e4
LT
1290#define read_c0_diag() __read_32bit_c0_register($22, 0)
1291#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1292
8d5ded16
JK
1293/* R10K CP0 Branch Diagnostic register is 64bits wide */
1294#define read_c0_r10k_diag() __read_64bit_c0_register($22, 0)
1295#define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1296
1da177e4
LT
1297#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1298#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1299
1300#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1301#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1302
1303#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1304#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1305
1306#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1307#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1308
1309#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1310#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1311
1312#define read_c0_debug() __read_32bit_c0_register($23, 0)
1313#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1314
1315#define read_c0_depc() __read_ulong_c0_register($24, 0)
1316#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1317
1318/*
1319 * MIPS32 / MIPS64 performance counters
1320 */
1321#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1322#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1323#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1324#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1325#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1326#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1327#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1328#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1329#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1330#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1331#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1332#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1333#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1334#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1335#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1336#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1337#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1338#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1339#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1340#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1341#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1342#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1343#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1344#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1345
1da177e4
LT
1346#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1347#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1348
1349#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1350#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1351
1352#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1353
1354#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1355#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1356
1357#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1358#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1359
41c594ab
RB
1360#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1361#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1362
af231172
KC
1363#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1364#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1365
1366#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1367#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1368
1da177e4
LT
1369#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1370#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1371
1372#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1373#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1374
7a0fc58c 1375/* MIPSR2 */
21a151d8 1376#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1377#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1378
1379#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1380#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1381
1382#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1383#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1384
1385#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1386#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1387
21a151d8 1388#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1389#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1390
9b3274bd
JH
1391#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1392#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1393
4a0156fb
SH
1394/* MIPSR3 */
1395#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1396#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1397
1398#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1399#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1400
1401#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1402#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1403
87d08bc9
MC
1404/* Hardware Page Table Walker */
1405#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1406#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1407
1408#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1409#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1410
1411#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1412#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1413
1414#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1415#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1416
ed918c2d
DD
1417/* Cavium OCTEON (cnMIPS) */
1418#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1419#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1420
1421#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1422#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1423
1424#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1425#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1426/*
70342287 1427 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1428 * 64 bits wide.
1429 */
1430#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1431#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1432
1433#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1434#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1435
af231172
KC
1436/* BMIPS3300 */
1437#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1438#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1439
1440#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1441#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1442
1443#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1444#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1445
020232f1 1446/* BMIPS43xx */
af231172
KC
1447#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1448#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1449
1450#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1451#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1452
1453#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1454#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1455
1456#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1457#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1458
1459#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1460#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1461
1462/* BMIPS5000 */
1463#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1464#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1465
1466#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1467#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1468
1469#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1470#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1471
1472#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1473#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1474
1475#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1476#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1477
1478#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1479#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1480
1da177e4
LT
1481/*
1482 * Macros to access the floating point coprocessor control registers
1483 */
842dfc11 1484#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310 1485({ \
c46a2f01 1486 unsigned int __res; \
b9688310
SH
1487 \
1488 __asm__ __volatile__( \
1489 " .set push \n" \
1490 " .set reorder \n" \
1491 " # gas fails to assemble cfc1 for some archs, \n" \
1492 " # like Octeon. \n" \
1493 " .set mips1 \n" \
842dfc11 1494 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1495 " cfc1 %0,"STR(source)" \n" \
1496 " .set pop \n" \
1497 : "=r" (__res)); \
1498 __res; \
1499})
1da177e4 1500
5e32033e
JH
1501#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
1502do { \
1503 __asm__ __volatile__( \
1504 " .set push \n" \
1505 " .set reorder \n" \
1506 " "STR(gas_hardfloat)" \n" \
1507 " ctc1 %0,"STR(dest)" \n" \
1508 " .set pop \n" \
1509 : : "r" (val)); \
1510} while (0)
1511
842dfc11
ML
1512#ifdef GAS_HAS_SET_HARDFLOAT
1513#define read_32bit_cp1_register(source) \
1514 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
1515#define write_32bit_cp1_register(dest, val) \
1516 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
1517#else
1518#define read_32bit_cp1_register(source) \
1519 _read_32bit_cp1_register(source, )
5e32033e
JH
1520#define write_32bit_cp1_register(dest, val) \
1521 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
1522#endif
1523
32a7ede6 1524#ifdef HAVE_AS_DSP
e50c0a8f
RB
1525#define rddsp(mask) \
1526({ \
32a7ede6 1527 unsigned int __dspctl; \
e50c0a8f
RB
1528 \
1529 __asm__ __volatile__( \
63c2b681
FF
1530 " .set push \n" \
1531 " .set dsp \n" \
32a7ede6 1532 " rddsp %0, %x1 \n" \
63c2b681 1533 " .set pop \n" \
32a7ede6 1534 : "=r" (__dspctl) \
e50c0a8f 1535 : "i" (mask)); \
32a7ede6 1536 __dspctl; \
e50c0a8f
RB
1537})
1538
1539#define wrdsp(val, mask) \
1540do { \
e50c0a8f 1541 __asm__ __volatile__( \
63c2b681
FF
1542 " .set push \n" \
1543 " .set dsp \n" \
32a7ede6 1544 " wrdsp %0, %x1 \n" \
63c2b681 1545 " .set pop \n" \
70342287 1546 : \
e50c0a8f 1547 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1548} while (0)
1549
63c2b681
FF
1550#define mflo0() \
1551({ \
1552 long mflo0; \
1553 __asm__( \
1554 " .set push \n" \
1555 " .set dsp \n" \
1556 " mflo %0, $ac0 \n" \
1557 " .set pop \n" \
1558 : "=r" (mflo0)); \
1559 mflo0; \
1560})
1561
1562#define mflo1() \
1563({ \
1564 long mflo1; \
1565 __asm__( \
1566 " .set push \n" \
1567 " .set dsp \n" \
1568 " mflo %0, $ac1 \n" \
1569 " .set pop \n" \
1570 : "=r" (mflo1)); \
1571 mflo1; \
1572})
1573
1574#define mflo2() \
1575({ \
1576 long mflo2; \
1577 __asm__( \
1578 " .set push \n" \
1579 " .set dsp \n" \
1580 " mflo %0, $ac2 \n" \
1581 " .set pop \n" \
1582 : "=r" (mflo2)); \
1583 mflo2; \
1584})
1585
1586#define mflo3() \
1587({ \
1588 long mflo3; \
1589 __asm__( \
1590 " .set push \n" \
1591 " .set dsp \n" \
1592 " mflo %0, $ac3 \n" \
1593 " .set pop \n" \
1594 : "=r" (mflo3)); \
1595 mflo3; \
1596})
1597
1598#define mfhi0() \
1599({ \
1600 long mfhi0; \
1601 __asm__( \
1602 " .set push \n" \
1603 " .set dsp \n" \
1604 " mfhi %0, $ac0 \n" \
1605 " .set pop \n" \
1606 : "=r" (mfhi0)); \
1607 mfhi0; \
1608})
1609
1610#define mfhi1() \
1611({ \
1612 long mfhi1; \
1613 __asm__( \
1614 " .set push \n" \
1615 " .set dsp \n" \
1616 " mfhi %0, $ac1 \n" \
1617 " .set pop \n" \
1618 : "=r" (mfhi1)); \
1619 mfhi1; \
1620})
1621
1622#define mfhi2() \
1623({ \
1624 long mfhi2; \
1625 __asm__( \
1626 " .set push \n" \
1627 " .set dsp \n" \
1628 " mfhi %0, $ac2 \n" \
1629 " .set pop \n" \
1630 : "=r" (mfhi2)); \
1631 mfhi2; \
1632})
1633
1634#define mfhi3() \
1635({ \
1636 long mfhi3; \
1637 __asm__( \
1638 " .set push \n" \
1639 " .set dsp \n" \
1640 " mfhi %0, $ac3 \n" \
1641 " .set pop \n" \
1642 : "=r" (mfhi3)); \
1643 mfhi3; \
1644})
1645
1646
1647#define mtlo0(x) \
1648({ \
1649 __asm__( \
1650 " .set push \n" \
1651 " .set dsp \n" \
1652 " mtlo %0, $ac0 \n" \
1653 " .set pop \n" \
1654 : \
1655 : "r" (x)); \
1656})
1657
1658#define mtlo1(x) \
1659({ \
1660 __asm__( \
1661 " .set push \n" \
1662 " .set dsp \n" \
1663 " mtlo %0, $ac1 \n" \
1664 " .set pop \n" \
1665 : \
1666 : "r" (x)); \
1667})
1668
1669#define mtlo2(x) \
1670({ \
1671 __asm__( \
1672 " .set push \n" \
1673 " .set dsp \n" \
1674 " mtlo %0, $ac2 \n" \
1675 " .set pop \n" \
1676 : \
1677 : "r" (x)); \
1678})
1679
1680#define mtlo3(x) \
1681({ \
1682 __asm__( \
1683 " .set push \n" \
1684 " .set dsp \n" \
1685 " mtlo %0, $ac3 \n" \
1686 " .set pop \n" \
1687 : \
1688 : "r" (x)); \
1689})
1690
1691#define mthi0(x) \
1692({ \
1693 __asm__( \
1694 " .set push \n" \
1695 " .set dsp \n" \
1696 " mthi %0, $ac0 \n" \
1697 " .set pop \n" \
1698 : \
1699 : "r" (x)); \
1700})
1701
1702#define mthi1(x) \
1703({ \
1704 __asm__( \
1705 " .set push \n" \
1706 " .set dsp \n" \
1707 " mthi %0, $ac1 \n" \
1708 " .set pop \n" \
1709 : \
1710 : "r" (x)); \
1711})
1712
1713#define mthi2(x) \
1714({ \
1715 __asm__( \
1716 " .set push \n" \
1717 " .set dsp \n" \
1718 " mthi %0, $ac2 \n" \
1719 " .set pop \n" \
1720 : \
1721 : "r" (x)); \
1722})
1723
1724#define mthi3(x) \
1725({ \
1726 __asm__( \
1727 " .set push \n" \
1728 " .set dsp \n" \
1729 " mthi %0, $ac3 \n" \
1730 " .set pop \n" \
1731 : \
1732 : "r" (x)); \
1733})
e50c0a8f
RB
1734
1735#else
1736
d0c1b478
SH
1737#ifdef CONFIG_CPU_MICROMIPS
1738#define rddsp(mask) \
e50c0a8f 1739({ \
d0c1b478 1740 unsigned int __res; \
e50c0a8f
RB
1741 \
1742 __asm__ __volatile__( \
e50c0a8f
RB
1743 " .set push \n" \
1744 " .set noat \n" \
d0c1b478
SH
1745 " # rddsp $1, %x1 \n" \
1746 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1747 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1748 " move %0, $1 \n" \
e50c0a8f 1749 " .set pop \n" \
d0c1b478
SH
1750 : "=r" (__res) \
1751 : "i" (mask)); \
1752 __res; \
1753})
e50c0a8f 1754
d0c1b478 1755#define wrdsp(val, mask) \
e50c0a8f
RB
1756do { \
1757 __asm__ __volatile__( \
1758 " .set push \n" \
1759 " .set noat \n" \
1760 " move $1, %0 \n" \
d0c1b478
SH
1761 " # wrdsp $1, %x1 \n" \
1762 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1763 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1764 " .set pop \n" \
1765 : \
d0c1b478 1766 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1767} while (0)
1768
d0c1b478
SH
1769#define _umips_dsp_mfxxx(ins) \
1770({ \
1771 unsigned long __treg; \
1772 \
e50c0a8f
RB
1773 __asm__ __volatile__( \
1774 " .set push \n" \
1775 " .set noat \n" \
d0c1b478
SH
1776 " .hword 0x0001 \n" \
1777 " .hword %x1 \n" \
1778 " move %0, $1 \n" \
e50c0a8f 1779 " .set pop \n" \
d0c1b478
SH
1780 : "=r" (__treg) \
1781 : "i" (ins)); \
1782 __treg; \
1783})
e50c0a8f 1784
d0c1b478 1785#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1786do { \
1787 __asm__ __volatile__( \
1788 " .set push \n" \
1789 " .set noat \n" \
1790 " move $1, %0 \n" \
d0c1b478
SH
1791 " .hword 0x0001 \n" \
1792 " .hword %x1 \n" \
e50c0a8f
RB
1793 " .set pop \n" \
1794 : \
d0c1b478 1795 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1796} while (0)
1797
d0c1b478
SH
1798#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1799#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1800
1801#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1802#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1803
1804#define mflo0() _umips_dsp_mflo(0)
1805#define mflo1() _umips_dsp_mflo(1)
1806#define mflo2() _umips_dsp_mflo(2)
1807#define mflo3() _umips_dsp_mflo(3)
1808
1809#define mfhi0() _umips_dsp_mfhi(0)
1810#define mfhi1() _umips_dsp_mfhi(1)
1811#define mfhi2() _umips_dsp_mfhi(2)
1812#define mfhi3() _umips_dsp_mfhi(3)
1813
1814#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1815#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1816#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1817#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1818
1819#define mthi0(x) _umips_dsp_mthi(x, 0)
1820#define mthi1(x) _umips_dsp_mthi(x, 1)
1821#define mthi2(x) _umips_dsp_mthi(x, 2)
1822#define mthi3(x) _umips_dsp_mthi(x, 3)
1823
1824#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1825#define rddsp(mask) \
1826({ \
1827 unsigned int __res; \
1828 \
e50c0a8f 1829 __asm__ __volatile__( \
32a7ede6
SH
1830 " .set push \n" \
1831 " .set noat \n" \
1832 " # rddsp $1, %x1 \n" \
1833 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1834 " move %0, $1 \n" \
1835 " .set pop \n" \
1836 : "=r" (__res) \
1837 : "i" (mask)); \
1838 __res; \
1839})
e50c0a8f 1840
32a7ede6 1841#define wrdsp(val, mask) \
e50c0a8f
RB
1842do { \
1843 __asm__ __volatile__( \
1844 " .set push \n" \
1845 " .set noat \n" \
1846 " move $1, %0 \n" \
32a7ede6
SH
1847 " # wrdsp $1, %x1 \n" \
1848 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1849 " .set pop \n" \
32a7ede6
SH
1850 : \
1851 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1852} while (0)
1853
4cb764b4 1854#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1855({ \
1856 unsigned long __treg; \
1857 \
e50c0a8f
RB
1858 __asm__ __volatile__( \
1859 " .set push \n" \
1860 " .set noat \n" \
4cb764b4
SH
1861 " .word (0x00000810 | %1) \n" \
1862 " move %0, $1 \n" \
e50c0a8f 1863 " .set pop \n" \
4cb764b4
SH
1864 : "=r" (__treg) \
1865 : "i" (ins)); \
1866 __treg; \
1867})
e50c0a8f 1868
4cb764b4 1869#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1870do { \
1871 __asm__ __volatile__( \
1872 " .set push \n" \
1873 " .set noat \n" \
1874 " move $1, %0 \n" \
4cb764b4 1875 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1876 " .set pop \n" \
1877 : \
4cb764b4 1878 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1879} while (0)
1880
4cb764b4
SH
1881#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1882#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1883
4cb764b4
SH
1884#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1885#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1886
4cb764b4
SH
1887#define mflo0() _dsp_mflo(0)
1888#define mflo1() _dsp_mflo(1)
1889#define mflo2() _dsp_mflo(2)
1890#define mflo3() _dsp_mflo(3)
e50c0a8f 1891
4cb764b4
SH
1892#define mfhi0() _dsp_mfhi(0)
1893#define mfhi1() _dsp_mfhi(1)
1894#define mfhi2() _dsp_mfhi(2)
1895#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1896
4cb764b4
SH
1897#define mtlo0(x) _dsp_mtlo(x, 0)
1898#define mtlo1(x) _dsp_mtlo(x, 1)
1899#define mtlo2(x) _dsp_mtlo(x, 2)
1900#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1901
4cb764b4
SH
1902#define mthi0(x) _dsp_mthi(x, 0)
1903#define mthi1(x) _dsp_mthi(x, 1)
1904#define mthi2(x) _dsp_mthi(x, 2)
1905#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1906
d0c1b478 1907#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1908#endif
1909
1da177e4
LT
1910/*
1911 * TLB operations.
1912 *
1913 * It is responsibility of the caller to take care of any TLB hazards.
1914 */
1915static inline void tlb_probe(void)
1916{
1917 __asm__ __volatile__(
1918 ".set noreorder\n\t"
1919 "tlbp\n\t"
1920 ".set reorder");
1921}
1922
1923static inline void tlb_read(void)
1924{
9267a30d
MSJ
1925#if MIPS34K_MISSED_ITLB_WAR
1926 int res = 0;
1927
1928 __asm__ __volatile__(
1929 " .set push \n"
1930 " .set noreorder \n"
1931 " .set noat \n"
1932 " .set mips32r2 \n"
1933 " .word 0x41610001 # dvpe $1 \n"
1934 " move %0, $1 \n"
1935 " ehb \n"
1936 " .set pop \n"
1937 : "=r" (res));
1938
1939 instruction_hazard();
1940#endif
1941
1da177e4
LT
1942 __asm__ __volatile__(
1943 ".set noreorder\n\t"
1944 "tlbr\n\t"
1945 ".set reorder");
9267a30d
MSJ
1946
1947#if MIPS34K_MISSED_ITLB_WAR
1948 if ((res & _ULCAST_(1)))
1949 __asm__ __volatile__(
1950 " .set push \n"
1951 " .set noreorder \n"
1952 " .set noat \n"
1953 " .set mips32r2 \n"
1954 " .word 0x41600021 # evpe \n"
1955 " ehb \n"
1956 " .set pop \n");
1957#endif
1da177e4
LT
1958}
1959
1960static inline void tlb_write_indexed(void)
1961{
1962 __asm__ __volatile__(
1963 ".set noreorder\n\t"
1964 "tlbwi\n\t"
1965 ".set reorder");
1966}
1967
1968static inline void tlb_write_random(void)
1969{
1970 __asm__ __volatile__(
1971 ".set noreorder\n\t"
1972 "tlbwr\n\t"
1973 ".set reorder");
1974}
1975
1976/*
1977 * Manipulate bits in a c0 register.
1978 */
1979#define __BUILD_SET_C0(name) \
1980static inline unsigned int \
1981set_c0_##name(unsigned int set) \
1982{ \
89e18eb3 1983 unsigned int res, new; \
1da177e4
LT
1984 \
1985 res = read_c0_##name(); \
89e18eb3
RB
1986 new = res | set; \
1987 write_c0_##name(new); \
1da177e4
LT
1988 \
1989 return res; \
1990} \
1991 \
1992static inline unsigned int \
1993clear_c0_##name(unsigned int clear) \
1994{ \
89e18eb3 1995 unsigned int res, new; \
1da177e4
LT
1996 \
1997 res = read_c0_##name(); \
89e18eb3
RB
1998 new = res & ~clear; \
1999 write_c0_##name(new); \
1da177e4
LT
2000 \
2001 return res; \
2002} \
2003 \
2004static inline unsigned int \
89e18eb3 2005change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 2006{ \
89e18eb3 2007 unsigned int res, new; \
1da177e4
LT
2008 \
2009 res = read_c0_##name(); \
89e18eb3
RB
2010 new = res & ~change; \
2011 new |= (val & change); \
2012 write_c0_##name(new); \
1da177e4
LT
2013 \
2014 return res; \
2015}
2016
2017__BUILD_SET_C0(status)
2018__BUILD_SET_C0(cause)
2019__BUILD_SET_C0(config)
7f65afb9 2020__BUILD_SET_C0(config5)
1da177e4 2021__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
2022__BUILD_SET_C0(intctl)
2023__BUILD_SET_C0(srsmap)
a5770df0 2024__BUILD_SET_C0(pagegrain)
020232f1
KC
2025__BUILD_SET_C0(brcm_config_0)
2026__BUILD_SET_C0(brcm_bus_pll)
2027__BUILD_SET_C0(brcm_reset)
2028__BUILD_SET_C0(brcm_cmt_intr)
2029__BUILD_SET_C0(brcm_cmt_ctrl)
2030__BUILD_SET_C0(brcm_config)
2031__BUILD_SET_C0(brcm_mode)
1da177e4 2032
45b585c8
DD
2033/*
2034 * Return low 10 bits of ebase.
2035 * Note that under KVM (MIPSVZ) this returns vcpu id.
2036 */
2037static inline unsigned int get_ebase_cpunum(void)
2038{
2039 return read_c0_ebase() & 0x3ff;
2040}
2041
1da177e4
LT
2042#endif /* !__ASSEMBLY__ */
2043
2044#endif /* _ASM_MIPSREGS_H */
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