MIPS: Add architectural FDC IRQ fields
[linux-2.6-block.git] / arch / mips / include / asm / mipsregs.h
CommitLineData
1da177e4
LT
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
7 * Copyright (C) 2000 Silicon Graphics, Inc.
8 * Modified for further R[236]000 support by Paul M. Antoine, 1996.
9 * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
a3692020 10 * Copyright (C) 2000, 07 MIPS Technologies, Inc.
4194318c 11 * Copyright (C) 2003, 2004 Maciej W. Rozycki
1da177e4
LT
12 */
13#ifndef _ASM_MIPSREGS_H
14#define _ASM_MIPSREGS_H
15
1da177e4 16#include <linux/linkage.h>
87c99203 17#include <linux/types.h>
1da177e4 18#include <asm/hazards.h>
9267a30d 19#include <asm/war.h>
1da177e4
LT
20
21/*
22 * The following macros are especially useful for __asm__
23 * inline assembler.
24 */
25#ifndef __STR
26#define __STR(x) #x
27#endif
28#ifndef STR
29#define STR(x) __STR(x)
30#endif
31
32/*
33 * Configure language
34 */
35#ifdef __ASSEMBLY__
36#define _ULCAST_
37#else
38#define _ULCAST_ (unsigned long)
39#endif
40
41/*
42 * Coprocessor 0 register names
43 */
44#define CP0_INDEX $0
45#define CP0_RANDOM $1
46#define CP0_ENTRYLO0 $2
47#define CP0_ENTRYLO1 $3
48#define CP0_CONF $3
49#define CP0_CONTEXT $4
50#define CP0_PAGEMASK $5
51#define CP0_WIRED $6
52#define CP0_INFO $7
53#define CP0_BADVADDR $8
54#define CP0_COUNT $9
55#define CP0_ENTRYHI $10
56#define CP0_COMPARE $11
57#define CP0_STATUS $12
58#define CP0_CAUSE $13
59#define CP0_EPC $14
60#define CP0_PRID $15
61#define CP0_CONFIG $16
62#define CP0_LLADDR $17
63#define CP0_WATCHLO $18
64#define CP0_WATCHHI $19
65#define CP0_XCONTEXT $20
66#define CP0_FRAMEMASK $21
67#define CP0_DIAGNOSTIC $22
68#define CP0_DEBUG $23
69#define CP0_DEPC $24
70#define CP0_PERFORMANCE $25
71#define CP0_ECC $26
72#define CP0_CACHEERR $27
73#define CP0_TAGLO $28
74#define CP0_TAGHI $29
75#define CP0_ERROREPC $30
76#define CP0_DESAVE $31
77
78/*
79 * R4640/R4650 cp0 register names. These registers are listed
80 * here only for completeness; without MMU these CPUs are not useable
81 * by Linux. A future ELKS port might take make Linux run on them
82 * though ...
83 */
84#define CP0_IBASE $0
85#define CP0_IBOUND $1
86#define CP0_DBASE $2
87#define CP0_DBOUND $3
88#define CP0_CALG $17
89#define CP0_IWATCH $18
90#define CP0_DWATCH $19
91
92/*
93 * Coprocessor 0 Set 1 register names
94 */
95#define CP0_S1_DERRADDR0 $26
96#define CP0_S1_DERRADDR1 $27
97#define CP0_S1_INTCONTROL $20
98
7a0fc58c
RB
99/*
100 * Coprocessor 0 Set 2 register names
101 */
102#define CP0_S2_SRSCTL $12 /* MIPSR2 */
103
104/*
105 * Coprocessor 0 Set 3 register names
106 */
107#define CP0_S3_SRSMAP $12 /* MIPSR2 */
108
1da177e4
LT
109/*
110 * TX39 Series
111 */
112#define CP0_TX39_CACHE $7
113
114/*
115 * Coprocessor 1 (FPU) register names
116 */
117#define CP1_REVISION $0
118#define CP1_STATUS $31
119
120/*
121 * FPU Status Register Values
122 */
123/*
124 * Status Register Values
125 */
126
70342287
RB
127#define FPU_CSR_FLUSH 0x01000000 /* flush denormalised results to 0 */
128#define FPU_CSR_COND 0x00800000 /* $fcc0 */
129#define FPU_CSR_COND0 0x00800000 /* $fcc0 */
130#define FPU_CSR_COND1 0x02000000 /* $fcc1 */
131#define FPU_CSR_COND2 0x04000000 /* $fcc2 */
132#define FPU_CSR_COND3 0x08000000 /* $fcc3 */
133#define FPU_CSR_COND4 0x10000000 /* $fcc4 */
134#define FPU_CSR_COND5 0x20000000 /* $fcc5 */
135#define FPU_CSR_COND6 0x40000000 /* $fcc6 */
136#define FPU_CSR_COND7 0x80000000 /* $fcc7 */
1da177e4 137
95e8f634
SM
138/*
139 * Bits 18 - 20 of the FPU Status Register will be read as 0,
140 * and should be written as zero.
141 */
142#define FPU_CSR_RSVD 0x001c0000
143
1da177e4
LT
144/*
145 * X the exception cause indicator
146 * E the exception enable
147 * S the sticky/flag bit
148*/
70342287
RB
149#define FPU_CSR_ALL_X 0x0003f000
150#define FPU_CSR_UNI_X 0x00020000
151#define FPU_CSR_INV_X 0x00010000
152#define FPU_CSR_DIV_X 0x00008000
153#define FPU_CSR_OVF_X 0x00004000
154#define FPU_CSR_UDF_X 0x00002000
155#define FPU_CSR_INE_X 0x00001000
156
157#define FPU_CSR_ALL_E 0x00000f80
158#define FPU_CSR_INV_E 0x00000800
159#define FPU_CSR_DIV_E 0x00000400
160#define FPU_CSR_OVF_E 0x00000200
161#define FPU_CSR_UDF_E 0x00000100
162#define FPU_CSR_INE_E 0x00000080
163
164#define FPU_CSR_ALL_S 0x0000007c
165#define FPU_CSR_INV_S 0x00000040
166#define FPU_CSR_DIV_S 0x00000020
167#define FPU_CSR_OVF_S 0x00000010
168#define FPU_CSR_UDF_S 0x00000008
169#define FPU_CSR_INE_S 0x00000004
1da177e4 170
95e8f634
SM
171/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
172#define FPU_CSR_RM 0x00000003
70342287
RB
173#define FPU_CSR_RN 0x0 /* nearest */
174#define FPU_CSR_RZ 0x1 /* towards zero */
175#define FPU_CSR_RU 0x2 /* towards +Infinity */
176#define FPU_CSR_RD 0x3 /* towards -Infinity */
1da177e4
LT
177
178
179/*
180 * Values for PageMask register
181 */
182#ifdef CONFIG_CPU_VR41XX
183
184/* Why doesn't stupidity hurt ... */
185
186#define PM_1K 0x00000000
187#define PM_4K 0x00001800
188#define PM_16K 0x00007800
189#define PM_64K 0x0001f800
190#define PM_256K 0x0007f800
191
192#else
193
194#define PM_4K 0x00000000
c52399be 195#define PM_8K 0x00002000
1da177e4 196#define PM_16K 0x00006000
c52399be 197#define PM_32K 0x0000e000
1da177e4 198#define PM_64K 0x0001e000
c52399be 199#define PM_128K 0x0003e000
1da177e4 200#define PM_256K 0x0007e000
c52399be 201#define PM_512K 0x000fe000
1da177e4 202#define PM_1M 0x001fe000
c52399be 203#define PM_2M 0x003fe000
1da177e4 204#define PM_4M 0x007fe000
c52399be 205#define PM_8M 0x00ffe000
1da177e4 206#define PM_16M 0x01ffe000
c52399be 207#define PM_32M 0x03ffe000
1da177e4
LT
208#define PM_64M 0x07ffe000
209#define PM_256M 0x1fffe000
542c1020 210#define PM_1G 0x7fffe000
1da177e4
LT
211
212#endif
213
214/*
215 * Default page size for a given kernel configuration
216 */
217#ifdef CONFIG_PAGE_SIZE_4KB
70342287 218#define PM_DEFAULT_MASK PM_4K
c52399be 219#elif defined(CONFIG_PAGE_SIZE_8KB)
70342287 220#define PM_DEFAULT_MASK PM_8K
1da177e4 221#elif defined(CONFIG_PAGE_SIZE_16KB)
70342287 222#define PM_DEFAULT_MASK PM_16K
c52399be 223#elif defined(CONFIG_PAGE_SIZE_32KB)
70342287 224#define PM_DEFAULT_MASK PM_32K
1da177e4 225#elif defined(CONFIG_PAGE_SIZE_64KB)
70342287 226#define PM_DEFAULT_MASK PM_64K
1da177e4
LT
227#else
228#error Bad page size configuration!
229#endif
230
dd794392
DD
231/*
232 * Default huge tlb size for a given kernel configuration
233 */
234#ifdef CONFIG_PAGE_SIZE_4KB
235#define PM_HUGE_MASK PM_1M
236#elif defined(CONFIG_PAGE_SIZE_8KB)
237#define PM_HUGE_MASK PM_4M
238#elif defined(CONFIG_PAGE_SIZE_16KB)
239#define PM_HUGE_MASK PM_16M
240#elif defined(CONFIG_PAGE_SIZE_32KB)
241#define PM_HUGE_MASK PM_64M
242#elif defined(CONFIG_PAGE_SIZE_64KB)
243#define PM_HUGE_MASK PM_256M
aa1762f4 244#elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
dd794392
DD
245#error Bad page size configuration for hugetlbfs!
246#endif
1da177e4
LT
247
248/*
249 * Values used for computation of new tlb entries
250 */
251#define PL_4K 12
252#define PL_16K 14
253#define PL_64K 16
254#define PL_256K 18
255#define PL_1M 20
256#define PL_4M 22
257#define PL_16M 24
258#define PL_64M 26
259#define PL_256M 28
260
9fe2e9d6
DD
261/*
262 * PageGrain bits
263 */
70342287
RB
264#define PG_RIE (_ULCAST_(1) << 31)
265#define PG_XIE (_ULCAST_(1) << 30)
266#define PG_ELPA (_ULCAST_(1) << 29)
267#define PG_ESP (_ULCAST_(1) << 28)
6575b1d4 268#define PG_IEC (_ULCAST_(1) << 27)
9fe2e9d6 269
1da177e4
LT
270/*
271 * R4x00 interrupt enable / cause bits
272 */
70342287
RB
273#define IE_SW0 (_ULCAST_(1) << 8)
274#define IE_SW1 (_ULCAST_(1) << 9)
275#define IE_IRQ0 (_ULCAST_(1) << 10)
276#define IE_IRQ1 (_ULCAST_(1) << 11)
277#define IE_IRQ2 (_ULCAST_(1) << 12)
278#define IE_IRQ3 (_ULCAST_(1) << 13)
279#define IE_IRQ4 (_ULCAST_(1) << 14)
280#define IE_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
281
282/*
283 * R4x00 interrupt cause bits
284 */
70342287
RB
285#define C_SW0 (_ULCAST_(1) << 8)
286#define C_SW1 (_ULCAST_(1) << 9)
287#define C_IRQ0 (_ULCAST_(1) << 10)
288#define C_IRQ1 (_ULCAST_(1) << 11)
289#define C_IRQ2 (_ULCAST_(1) << 12)
290#define C_IRQ3 (_ULCAST_(1) << 13)
291#define C_IRQ4 (_ULCAST_(1) << 14)
292#define C_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
293
294/*
295 * Bitfields in the R4xx0 cp0 status register
296 */
297#define ST0_IE 0x00000001
298#define ST0_EXL 0x00000002
299#define ST0_ERL 0x00000004
300#define ST0_KSU 0x00000018
301# define KSU_USER 0x00000010
302# define KSU_SUPERVISOR 0x00000008
303# define KSU_KERNEL 0x00000000
304#define ST0_UX 0x00000020
305#define ST0_SX 0x00000040
70342287 306#define ST0_KX 0x00000080
1da177e4
LT
307#define ST0_DE 0x00010000
308#define ST0_CE 0x00020000
309
310/*
311 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
312 * cacheops in userspace. This bit exists only on RM7000 and RM9000
313 * processors.
314 */
315#define ST0_CO 0x08000000
316
317/*
318 * Bitfields in the R[23]000 cp0 status register.
319 */
70342287 320#define ST0_IEC 0x00000001
1da177e4
LT
321#define ST0_KUC 0x00000002
322#define ST0_IEP 0x00000004
323#define ST0_KUP 0x00000008
324#define ST0_IEO 0x00000010
325#define ST0_KUO 0x00000020
326/* bits 6 & 7 are reserved on R[23]000 */
327#define ST0_ISC 0x00010000
328#define ST0_SWC 0x00020000
329#define ST0_CM 0x00080000
330
331/*
332 * Bits specific to the R4640/R4650
333 */
70342287 334#define ST0_UM (_ULCAST_(1) << 4)
1da177e4
LT
335#define ST0_IL (_ULCAST_(1) << 23)
336#define ST0_DL (_ULCAST_(1) << 24)
337
e50c0a8f 338/*
3301edcb 339 * Enable the MIPS MDMX and DSP ASEs
e50c0a8f
RB
340 */
341#define ST0_MX 0x01000000
342
1da177e4
LT
343/*
344 * Bitfields in the TX39 family CP0 Configuration Register 3
345 */
346#define TX39_CONF_ICS_SHIFT 19
347#define TX39_CONF_ICS_MASK 0x00380000
70342287
RB
348#define TX39_CONF_ICS_1KB 0x00000000
349#define TX39_CONF_ICS_2KB 0x00080000
350#define TX39_CONF_ICS_4KB 0x00100000
351#define TX39_CONF_ICS_8KB 0x00180000
352#define TX39_CONF_ICS_16KB 0x00200000
1da177e4
LT
353
354#define TX39_CONF_DCS_SHIFT 16
355#define TX39_CONF_DCS_MASK 0x00070000
70342287
RB
356#define TX39_CONF_DCS_1KB 0x00000000
357#define TX39_CONF_DCS_2KB 0x00010000
358#define TX39_CONF_DCS_4KB 0x00020000
359#define TX39_CONF_DCS_8KB 0x00030000
360#define TX39_CONF_DCS_16KB 0x00040000
361
362#define TX39_CONF_CWFON 0x00004000
363#define TX39_CONF_WBON 0x00002000
1da177e4
LT
364#define TX39_CONF_RF_SHIFT 10
365#define TX39_CONF_RF_MASK 0x00000c00
366#define TX39_CONF_DOZE 0x00000200
367#define TX39_CONF_HALT 0x00000100
368#define TX39_CONF_LOCK 0x00000080
369#define TX39_CONF_ICE 0x00000020
370#define TX39_CONF_DCE 0x00000010
371#define TX39_CONF_IRSIZE_SHIFT 2
372#define TX39_CONF_IRSIZE_MASK 0x0000000c
373#define TX39_CONF_DRSIZE_SHIFT 0
374#define TX39_CONF_DRSIZE_MASK 0x00000003
375
376/*
377 * Status register bits available in all MIPS CPUs.
378 */
379#define ST0_IM 0x0000ff00
70342287
RB
380#define STATUSB_IP0 8
381#define STATUSF_IP0 (_ULCAST_(1) << 8)
382#define STATUSB_IP1 9
383#define STATUSF_IP1 (_ULCAST_(1) << 9)
384#define STATUSB_IP2 10
385#define STATUSF_IP2 (_ULCAST_(1) << 10)
386#define STATUSB_IP3 11
387#define STATUSF_IP3 (_ULCAST_(1) << 11)
388#define STATUSB_IP4 12
389#define STATUSF_IP4 (_ULCAST_(1) << 12)
390#define STATUSB_IP5 13
391#define STATUSF_IP5 (_ULCAST_(1) << 13)
392#define STATUSB_IP6 14
393#define STATUSF_IP6 (_ULCAST_(1) << 14)
394#define STATUSB_IP7 15
395#define STATUSF_IP7 (_ULCAST_(1) << 15)
396#define STATUSB_IP8 0
397#define STATUSF_IP8 (_ULCAST_(1) << 0)
398#define STATUSB_IP9 1
399#define STATUSF_IP9 (_ULCAST_(1) << 1)
400#define STATUSB_IP10 2
401#define STATUSF_IP10 (_ULCAST_(1) << 2)
402#define STATUSB_IP11 3
403#define STATUSF_IP11 (_ULCAST_(1) << 3)
404#define STATUSB_IP12 4
405#define STATUSF_IP12 (_ULCAST_(1) << 4)
406#define STATUSB_IP13 5
407#define STATUSF_IP13 (_ULCAST_(1) << 5)
408#define STATUSB_IP14 6
409#define STATUSF_IP14 (_ULCAST_(1) << 6)
410#define STATUSB_IP15 7
411#define STATUSF_IP15 (_ULCAST_(1) << 7)
1da177e4 412#define ST0_CH 0x00040000
96ffa02d 413#define ST0_NMI 0x00080000
1da177e4
LT
414#define ST0_SR 0x00100000
415#define ST0_TS 0x00200000
416#define ST0_BEV 0x00400000
417#define ST0_RE 0x02000000
418#define ST0_FR 0x04000000
419#define ST0_CU 0xf0000000
420#define ST0_CU0 0x10000000
421#define ST0_CU1 0x20000000
422#define ST0_CU2 0x40000000
423#define ST0_CU3 0x80000000
424#define ST0_XX 0x80000000 /* MIPS IV naming */
425
010c108d
DV
426/*
427 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
428 *
429 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
430 */
9323f84f
JH
431#define INTCTLB_IPFDC 23
432#define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
010c108d
DV
433#define INTCTLB_IPPCI 26
434#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
435#define INTCTLB_IPTI 29
436#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
437
1da177e4
LT
438/*
439 * Bitfields and bit numbers in the coprocessor 0 cause register.
440 *
441 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
442 */
70342287
RB
443#define CAUSEB_EXCCODE 2
444#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
445#define CAUSEB_IP 8
446#define CAUSEF_IP (_ULCAST_(255) << 8)
447#define CAUSEB_IP0 8
448#define CAUSEF_IP0 (_ULCAST_(1) << 8)
449#define CAUSEB_IP1 9
450#define CAUSEF_IP1 (_ULCAST_(1) << 9)
451#define CAUSEB_IP2 10
452#define CAUSEF_IP2 (_ULCAST_(1) << 10)
453#define CAUSEB_IP3 11
454#define CAUSEF_IP3 (_ULCAST_(1) << 11)
455#define CAUSEB_IP4 12
456#define CAUSEF_IP4 (_ULCAST_(1) << 12)
457#define CAUSEB_IP5 13
458#define CAUSEF_IP5 (_ULCAST_(1) << 13)
459#define CAUSEB_IP6 14
460#define CAUSEF_IP6 (_ULCAST_(1) << 14)
461#define CAUSEB_IP7 15
462#define CAUSEF_IP7 (_ULCAST_(1) << 15)
9323f84f
JH
463#define CAUSEB_FDCI 21
464#define CAUSEF_FDCI (_ULCAST_(1) << 21)
70342287
RB
465#define CAUSEB_IV 23
466#define CAUSEF_IV (_ULCAST_(1) << 23)
467#define CAUSEB_PCI 26
468#define CAUSEF_PCI (_ULCAST_(1) << 26)
469#define CAUSEB_CE 28
470#define CAUSEF_CE (_ULCAST_(3) << 28)
471#define CAUSEB_TI 30
472#define CAUSEF_TI (_ULCAST_(1) << 30)
473#define CAUSEB_BD 31
474#define CAUSEF_BD (_ULCAST_(1) << 31)
1da177e4
LT
475
476/*
477 * Bits in the coprocessor 0 config register.
478 */
479/* Generic bits. */
480#define CONF_CM_CACHABLE_NO_WA 0
481#define CONF_CM_CACHABLE_WA 1
482#define CONF_CM_UNCACHED 2
483#define CONF_CM_CACHABLE_NONCOHERENT 3
484#define CONF_CM_CACHABLE_CE 4
485#define CONF_CM_CACHABLE_COW 5
486#define CONF_CM_CACHABLE_CUW 6
487#define CONF_CM_CACHABLE_ACCELERATED 7
488#define CONF_CM_CMASK 7
489#define CONF_BE (_ULCAST_(1) << 15)
490
491/* Bits common to various processors. */
70342287
RB
492#define CONF_CU (_ULCAST_(1) << 3)
493#define CONF_DB (_ULCAST_(1) << 4)
494#define CONF_IB (_ULCAST_(1) << 5)
495#define CONF_DC (_ULCAST_(7) << 6)
496#define CONF_IC (_ULCAST_(7) << 9)
1da177e4
LT
497#define CONF_EB (_ULCAST_(1) << 13)
498#define CONF_EM (_ULCAST_(1) << 14)
499#define CONF_SM (_ULCAST_(1) << 16)
500#define CONF_SC (_ULCAST_(1) << 17)
501#define CONF_EW (_ULCAST_(3) << 18)
502#define CONF_EP (_ULCAST_(15)<< 24)
503#define CONF_EC (_ULCAST_(7) << 28)
504#define CONF_CM (_ULCAST_(1) << 31)
505
70342287 506/* Bits specific to the R4xx0. */
1da177e4
LT
507#define R4K_CONF_SW (_ULCAST_(1) << 20)
508#define R4K_CONF_SS (_ULCAST_(1) << 21)
e20368d5 509#define R4K_CONF_SB (_ULCAST_(3) << 22)
1da177e4 510
70342287 511/* Bits specific to the R5000. */
1da177e4
LT
512#define R5K_CONF_SE (_ULCAST_(1) << 12)
513#define R5K_CONF_SS (_ULCAST_(3) << 20)
514
70342287
RB
515/* Bits specific to the RM7000. */
516#define RM7K_CONF_SE (_ULCAST_(1) << 3)
c6ad7b7d
MR
517#define RM7K_CONF_TE (_ULCAST_(1) << 12)
518#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
519#define RM7K_CONF_TC (_ULCAST_(1) << 17)
520#define RM7K_CONF_SI (_ULCAST_(3) << 20)
521#define RM7K_CONF_SC (_ULCAST_(1) << 31)
ba5187db 522
70342287
RB
523/* Bits specific to the R10000. */
524#define R10K_CONF_DN (_ULCAST_(3) << 3)
525#define R10K_CONF_CT (_ULCAST_(1) << 5)
526#define R10K_CONF_PE (_ULCAST_(1) << 6)
527#define R10K_CONF_PM (_ULCAST_(3) << 7)
528#define R10K_CONF_EC (_ULCAST_(15)<< 9)
1da177e4
LT
529#define R10K_CONF_SB (_ULCAST_(1) << 13)
530#define R10K_CONF_SK (_ULCAST_(1) << 14)
531#define R10K_CONF_SS (_ULCAST_(7) << 16)
532#define R10K_CONF_SC (_ULCAST_(7) << 19)
533#define R10K_CONF_DC (_ULCAST_(7) << 26)
534#define R10K_CONF_IC (_ULCAST_(7) << 29)
535
70342287 536/* Bits specific to the VR41xx. */
1da177e4 537#define VR41_CONF_CS (_ULCAST_(1) << 12)
2874fe55 538#define VR41_CONF_P4K (_ULCAST_(1) << 13)
4e8ab361 539#define VR41_CONF_BP (_ULCAST_(1) << 16)
1da177e4
LT
540#define VR41_CONF_M16 (_ULCAST_(1) << 20)
541#define VR41_CONF_AD (_ULCAST_(1) << 23)
542
70342287 543/* Bits specific to the R30xx. */
1da177e4
LT
544#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
545#define R30XX_CONF_REV (_ULCAST_(1) << 22)
546#define R30XX_CONF_AC (_ULCAST_(1) << 23)
547#define R30XX_CONF_RF (_ULCAST_(1) << 24)
548#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
549#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
550#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
551#define R30XX_CONF_SB (_ULCAST_(1) << 30)
552#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
553
554/* Bits specific to the TX49. */
555#define TX49_CONF_DC (_ULCAST_(1) << 16)
556#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
557#define TX49_CONF_HALT (_ULCAST_(1) << 18)
558#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
559
70342287
RB
560/* Bits specific to the MIPS32/64 PRA. */
561#define MIPS_CONF_MT (_ULCAST_(7) << 7)
1da177e4
LT
562#define MIPS_CONF_AR (_ULCAST_(7) << 10)
563#define MIPS_CONF_AT (_ULCAST_(3) << 13)
564#define MIPS_CONF_M (_ULCAST_(1) << 31)
565
4194318c
RB
566/*
567 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
568 */
70342287
RB
569#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
570#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
571#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
572#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
573#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
574#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
575#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
576#define MIPS_CONF1_DA_SHF 7
577#define MIPS_CONF1_DA_SZ 3
70342287 578#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
579#define MIPS_CONF1_DL_SHF 10
580#define MIPS_CONF1_DL_SZ 3
4194318c 581#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
582#define MIPS_CONF1_DS_SHF 13
583#define MIPS_CONF1_DS_SZ 3
4194318c 584#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
585#define MIPS_CONF1_IA_SHF 16
586#define MIPS_CONF1_IA_SZ 3
4194318c 587#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
588#define MIPS_CONF1_IL_SHF 19
589#define MIPS_CONF1_IL_SZ 3
4194318c 590#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
591#define MIPS_CONF1_IS_SHF 22
592#define MIPS_CONF1_IS_SZ 3
4194318c 593#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
594#define MIPS_CONF1_TLBS_SHIFT (25)
595#define MIPS_CONF1_TLBS_SIZE (6)
596#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 597
70342287
RB
598#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
599#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
600#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
601#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
602#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
603#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
604#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
605#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
606
70342287
RB
607#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
608#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
609#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 610#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
611#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
612#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
613#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
614#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
615#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
616#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 617#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 618#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 619#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 620#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 621#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 622#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
623#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
624#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
625#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 626#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
627#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
628#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
629#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
630#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
631#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
632#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
633#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
634
635#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 636#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba 637#define MIPS_CONF4_FTLBSETS_SHIFT (0)
691038ba
LY
638#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
639#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
640#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
641#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
642/* bits 10:8 in FTLB-only configurations */
643#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
644/* bits 12:8 in VTLB-FTLB only configurations */
645#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
1b362e3e
DD
646#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
647#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
691038ba
LY
648#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
649#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
650#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16)
651#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
652#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
653#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
654#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
655#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
1b362e3e 656
2f9ee82c
RB
657#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
658#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
e19d5dba 659#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
5aed9da1 660#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
23d06e4f 661#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
5ff04a84
PB
662#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
663#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
664#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
665#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
666#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
667#define MIPS_CONF5_K (_ULCAST_(1) << 30)
668
006a851b 669#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
670/* proAptiv FTLB on/off bit */
671#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
cf0a8aa0
MC
672/* FTLB probability bits */
673#define MIPS_CONF6_FTLBP_SHIFT (16)
006a851b 674
4b3e975e
RB
675#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
676
9267a30d
MSJ
677#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
678
02dc6bfb
MC
679#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
680#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
681
e19d5dba
PB
682/* MAAR bit definitions */
683#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
684#define MIPS_MAAR_ADDR_SHIFT 12
685#define MIPS_MAAR_S (_ULCAST_(1) << 1)
686#define MIPS_MAAR_V (_ULCAST_(1) << 0)
687
691038ba
LY
688/* EntryHI bit definition */
689#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
9267a30d 690
4dd8ee5d
PB
691/* CMGCRBase bit definitions */
692#define MIPS_CMGCRB_BASE 11
693#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
694
4194318c
RB
695/*
696 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
697 */
698#define MIPS_FPIR_S (_ULCAST_(1) << 16)
699#define MIPS_FPIR_D (_ULCAST_(1) << 17)
700#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
701#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
702#define MIPS_FPIR_W (_ULCAST_(1) << 20)
703#define MIPS_FPIR_L (_ULCAST_(1) << 21)
704#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
5ff04a84 705#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
4194318c 706
4a0156fb
SH
707/*
708 * Bits in the MIPS32 Memory Segmentation registers.
709 */
710#define MIPS_SEGCFG_PA_SHIFT 9
711#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
712#define MIPS_SEGCFG_AM_SHIFT 4
713#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
714#define MIPS_SEGCFG_EU_SHIFT 3
715#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
716#define MIPS_SEGCFG_C_SHIFT 0
717#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
718
719#define MIPS_SEGCFG_UUSK _ULCAST_(7)
720#define MIPS_SEGCFG_USK _ULCAST_(5)
721#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
722#define MIPS_SEGCFG_MUSK _ULCAST_(3)
723#define MIPS_SEGCFG_MSK _ULCAST_(2)
724#define MIPS_SEGCFG_MK _ULCAST_(1)
725#define MIPS_SEGCFG_UK _ULCAST_(0)
726
87d08bc9
MC
727#define MIPS_PWFIELD_GDI_SHIFT 24
728#define MIPS_PWFIELD_GDI_MASK 0x3f000000
729#define MIPS_PWFIELD_UDI_SHIFT 18
730#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
731#define MIPS_PWFIELD_MDI_SHIFT 12
732#define MIPS_PWFIELD_MDI_MASK 0x0003f000
733#define MIPS_PWFIELD_PTI_SHIFT 6
734#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
735#define MIPS_PWFIELD_PTEI_SHIFT 0
736#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
737
738#define MIPS_PWSIZE_GDW_SHIFT 24
739#define MIPS_PWSIZE_GDW_MASK 0x3f000000
740#define MIPS_PWSIZE_UDW_SHIFT 18
741#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
742#define MIPS_PWSIZE_MDW_SHIFT 12
743#define MIPS_PWSIZE_MDW_MASK 0x0003f000
744#define MIPS_PWSIZE_PTW_SHIFT 6
745#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
746#define MIPS_PWSIZE_PTEW_SHIFT 0
747#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
748
749#define MIPS_PWCTL_PWEN_SHIFT 31
750#define MIPS_PWCTL_PWEN_MASK 0x80000000
751#define MIPS_PWCTL_DPH_SHIFT 7
752#define MIPS_PWCTL_DPH_MASK 0x00000080
753#define MIPS_PWCTL_HUGEPG_SHIFT 6
754#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
755#define MIPS_PWCTL_PSN_SHIFT 0
756#define MIPS_PWCTL_PSN_MASK 0x0000003f
757
9b3274bd
JH
758/* CDMMBase register bit definitions */
759#define MIPS_CDMMBASE_SIZE_SHIFT 0
760#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
761#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
762#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
763#define MIPS_CDMMBASE_ADDR_SHIFT 11
764#define MIPS_CDMMBASE_ADDR_START 15
765
1da177e4
LT
766#ifndef __ASSEMBLY__
767
bfd08baa 768/*
377cb1b6 769 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 770 */
377cb1b6
RB
771#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
772 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
773#define get_isa16_mode(x) ((x) & 0x1)
774#define msk_isa16_mode(x) ((x) & ~0x1)
775#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
776#else
777#define get_isa16_mode(x) 0
778#define msk_isa16_mode(x) (x)
779#define set_isa16_mode(x) do { } while(0)
780#endif
bfd08baa
SH
781
782/*
783 * microMIPS instructions can be 16-bit or 32-bit in length. This
784 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
785 */
786static inline int mm_insn_16bit(u16 insn)
787{
788 u16 opcode = (insn >> 10) & 0x7;
789
790 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
791}
792
198bb4ce
LY
793/*
794 * TLB Invalidate Flush
795 */
796static inline void tlbinvf(void)
797{
798 __asm__ __volatile__(
799 ".set push\n\t"
800 ".set noreorder\n\t"
801 ".word 0x42000004\n\t" /* tlbinvf */
802 ".set pop");
803}
804
805
1da177e4 806/*
70342287 807 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
808 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
809 * performance counter number encoded into bits 1 ... 5 of the instruction.
810 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
811 * disassembler these will look like an access to sel 0 or 1.
812 */
813#define read_r10k_perf_cntr(counter) \
814({ \
815 unsigned int __res; \
816 __asm__ __volatile__( \
817 "mfpc\t%0, %1" \
70342287 818 : "=r" (__res) \
1da177e4
LT
819 : "i" (counter)); \
820 \
70342287 821 __res; \
1da177e4
LT
822})
823
70342287 824#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
825do { \
826 __asm__ __volatile__( \
827 "mtpc\t%0, %1" \
828 : \
829 : "r" (val), "i" (counter)); \
830} while (0)
831
832#define read_r10k_perf_event(counter) \
833({ \
834 unsigned int __res; \
835 __asm__ __volatile__( \
836 "mfps\t%0, %1" \
70342287 837 : "=r" (__res) \
1da177e4
LT
838 : "i" (counter)); \
839 \
70342287 840 __res; \
1da177e4
LT
841})
842
70342287 843#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
844do { \
845 __asm__ __volatile__( \
846 "mtps\t%0, %1" \
847 : \
848 : "r" (val), "i" (counter)); \
849} while (0)
850
851
852/*
853 * Macros to access the system control coprocessor
854 */
855
856#define __read_32bit_c0_register(source, sel) \
857({ int __res; \
858 if (sel == 0) \
859 __asm__ __volatile__( \
860 "mfc0\t%0, " #source "\n\t" \
861 : "=r" (__res)); \
862 else \
863 __asm__ __volatile__( \
864 ".set\tmips32\n\t" \
865 "mfc0\t%0, " #source ", " #sel "\n\t" \
866 ".set\tmips0\n\t" \
867 : "=r" (__res)); \
868 __res; \
869})
870
871#define __read_64bit_c0_register(source, sel) \
872({ unsigned long long __res; \
873 if (sizeof(unsigned long) == 4) \
874 __res = __read_64bit_c0_split(source, sel); \
875 else if (sel == 0) \
876 __asm__ __volatile__( \
877 ".set\tmips3\n\t" \
878 "dmfc0\t%0, " #source "\n\t" \
879 ".set\tmips0" \
880 : "=r" (__res)); \
881 else \
882 __asm__ __volatile__( \
883 ".set\tmips64\n\t" \
884 "dmfc0\t%0, " #source ", " #sel "\n\t" \
885 ".set\tmips0" \
886 : "=r" (__res)); \
887 __res; \
888})
889
890#define __write_32bit_c0_register(register, sel, value) \
891do { \
892 if (sel == 0) \
893 __asm__ __volatile__( \
894 "mtc0\t%z0, " #register "\n\t" \
0952e290 895 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
896 else \
897 __asm__ __volatile__( \
898 ".set\tmips32\n\t" \
899 "mtc0\t%z0, " #register ", " #sel "\n\t" \
900 ".set\tmips0" \
0952e290 901 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
902} while (0)
903
904#define __write_64bit_c0_register(register, sel, value) \
905do { \
906 if (sizeof(unsigned long) == 4) \
907 __write_64bit_c0_split(register, sel, value); \
908 else if (sel == 0) \
909 __asm__ __volatile__( \
910 ".set\tmips3\n\t" \
911 "dmtc0\t%z0, " #register "\n\t" \
912 ".set\tmips0" \
913 : : "Jr" (value)); \
914 else \
915 __asm__ __volatile__( \
916 ".set\tmips64\n\t" \
917 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
918 ".set\tmips0" \
919 : : "Jr" (value)); \
920} while (0)
921
922#define __read_ulong_c0_register(reg, sel) \
923 ((sizeof(unsigned long) == 4) ? \
924 (unsigned long) __read_32bit_c0_register(reg, sel) : \
925 (unsigned long) __read_64bit_c0_register(reg, sel))
926
927#define __write_ulong_c0_register(reg, sel, val) \
928do { \
929 if (sizeof(unsigned long) == 4) \
930 __write_32bit_c0_register(reg, sel, val); \
931 else \
932 __write_64bit_c0_register(reg, sel, val); \
933} while (0)
934
935/*
936 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
937 */
938#define __read_32bit_c0_ctrl_register(source) \
939({ int __res; \
940 __asm__ __volatile__( \
941 "cfc0\t%0, " #source "\n\t" \
942 : "=r" (__res)); \
943 __res; \
944})
945
946#define __write_32bit_c0_ctrl_register(register, value) \
947do { \
948 __asm__ __volatile__( \
949 "ctc0\t%z0, " #register "\n\t" \
0952e290 950 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
951} while (0)
952
953/*
954 * These versions are only needed for systems with more than 38 bits of
955 * physical address space running the 32-bit kernel. That's none atm :-)
956 */
957#define __read_64bit_c0_split(source, sel) \
958({ \
87d43dd4
AN
959 unsigned long long __val; \
960 unsigned long __flags; \
1da177e4 961 \
87d43dd4 962 local_irq_save(__flags); \
1da177e4
LT
963 if (sel == 0) \
964 __asm__ __volatile__( \
965 ".set\tmips64\n\t" \
966 "dmfc0\t%M0, " #source "\n\t" \
967 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
968 "dsra\t%M0, %M0, 32\n\t" \
969 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 970 ".set\tmips0" \
87d43dd4 971 : "=r" (__val)); \
1da177e4
LT
972 else \
973 __asm__ __volatile__( \
974 ".set\tmips64\n\t" \
975 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
976 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
977 "dsra\t%M0, %M0, 32\n\t" \
978 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 979 ".set\tmips0" \
87d43dd4
AN
980 : "=r" (__val)); \
981 local_irq_restore(__flags); \
1da177e4 982 \
87d43dd4 983 __val; \
1da177e4
LT
984})
985
986#define __write_64bit_c0_split(source, sel, val) \
987do { \
87d43dd4 988 unsigned long __flags; \
1da177e4 989 \
87d43dd4 990 local_irq_save(__flags); \
1da177e4
LT
991 if (sel == 0) \
992 __asm__ __volatile__( \
993 ".set\tmips64\n\t" \
994 "dsll\t%L0, %L0, 32\n\t" \
995 "dsrl\t%L0, %L0, 32\n\t" \
996 "dsll\t%M0, %M0, 32\n\t" \
997 "or\t%L0, %L0, %M0\n\t" \
998 "dmtc0\t%L0, " #source "\n\t" \
999 ".set\tmips0" \
1000 : : "r" (val)); \
1001 else \
1002 __asm__ __volatile__( \
1003 ".set\tmips64\n\t" \
1004 "dsll\t%L0, %L0, 32\n\t" \
1005 "dsrl\t%L0, %L0, 32\n\t" \
1006 "dsll\t%M0, %M0, 32\n\t" \
1007 "or\t%L0, %L0, %M0\n\t" \
1008 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1009 ".set\tmips0" \
1010 : : "r" (val)); \
87d43dd4 1011 local_irq_restore(__flags); \
1da177e4
LT
1012} while (0)
1013
23d06e4f
SH
1014#define __readx_32bit_c0_register(source) \
1015({ \
1016 unsigned int __res; \
1017 \
1018 __asm__ __volatile__( \
1019 " .set push \n" \
1020 " .set noat \n" \
1021 " .set mips32r2 \n" \
1022 " .insn \n" \
1023 " # mfhc0 $1, %1 \n" \
1024 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
1025 " move %0, $1 \n" \
1026 " .set pop \n" \
1027 : "=r" (__res) \
1028 : "i" (source)); \
1029 __res; \
1030})
1031
1032#define __writex_32bit_c0_register(register, value) \
1033do { \
1034 __asm__ __volatile__( \
1035 " .set push \n" \
1036 " .set noat \n" \
1037 " .set mips32r2 \n" \
1038 " move $1, %0 \n" \
1039 " # mthc0 $1, %1 \n" \
1040 " .insn \n" \
1041 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
1042 " .set pop \n" \
1043 : \
1044 : "r" (value), "i" (register)); \
1045} while (0)
1046
1da177e4
LT
1047#define read_c0_index() __read_32bit_c0_register($0, 0)
1048#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1049
272bace7
RB
1050#define read_c0_random() __read_32bit_c0_register($1, 0)
1051#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1052
1da177e4
LT
1053#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1054#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1055
23d06e4f
SH
1056#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1057#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1058
1da177e4
LT
1059#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1060#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1061
23d06e4f
SH
1062#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1063#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1064
1da177e4
LT
1065#define read_c0_conf() __read_32bit_c0_register($3, 0)
1066#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1067
1068#define read_c0_context() __read_ulong_c0_register($4, 0)
1069#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1070
a3692020 1071#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1072#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1073
1da177e4
LT
1074#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1075#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1076
9fe2e9d6 1077#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1078#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1079
1da177e4
LT
1080#define read_c0_wired() __read_32bit_c0_register($6, 0)
1081#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1082
1083#define read_c0_info() __read_32bit_c0_register($7, 0)
1084
70342287 1085#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1086#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1087
15c4f67a
RB
1088#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1089#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1090
1da177e4
LT
1091#define read_c0_count() __read_32bit_c0_register($9, 0)
1092#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1093
bdf21b18
PP
1094#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1095#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1096
1097#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1098#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1099
1da177e4
LT
1100#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1101#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1102
1103#define read_c0_compare() __read_32bit_c0_register($11, 0)
1104#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1105
bdf21b18
PP
1106#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1107#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1108
1109#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1110#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1111
1da177e4 1112#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1113
1da177e4
LT
1114#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1115
1116#define read_c0_cause() __read_32bit_c0_register($13, 0)
1117#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1118
1119#define read_c0_epc() __read_ulong_c0_register($14, 0)
1120#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1121
1122#define read_c0_prid() __read_32bit_c0_register($15, 0)
1123
4dd8ee5d
PB
1124#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1125
1da177e4
LT
1126#define read_c0_config() __read_32bit_c0_register($16, 0)
1127#define read_c0_config1() __read_32bit_c0_register($16, 1)
1128#define read_c0_config2() __read_32bit_c0_register($16, 2)
1129#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1130#define read_c0_config4() __read_32bit_c0_register($16, 4)
1131#define read_c0_config5() __read_32bit_c0_register($16, 5)
1132#define read_c0_config6() __read_32bit_c0_register($16, 6)
1133#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1134#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1135#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1136#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1137#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1138#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1139#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1140#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1141#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1142
b55b9e27
MC
1143#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1144#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1145#define read_c0_maar() __read_ulong_c0_register($17, 1)
1146#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1147#define read_c0_maari() __read_32bit_c0_register($17, 2)
1148#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1149
1da177e4 1150/*
25985edc 1151 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1152 */
1153#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1154#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1155#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1156#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1157#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1158#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1159#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1160#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1161#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1162#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1163#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1164#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1165#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1166#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1167#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1168#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1169
1170/*
25985edc 1171 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1172 */
1173#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1174#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1175#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1176#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1177#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1178#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1179#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1180#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1181
1182#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1183#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1184#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1185#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1186#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1187#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1188#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1189#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1190
1191#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1192#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1193
1194#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1195#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1196
1197#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1198#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1199
1da177e4
LT
1200#define read_c0_diag() __read_32bit_c0_register($22, 0)
1201#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1202
1203#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1204#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1205
1206#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1207#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1208
1209#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1210#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1211
1212#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1213#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1214
1215#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1216#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1217
1218#define read_c0_debug() __read_32bit_c0_register($23, 0)
1219#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1220
1221#define read_c0_depc() __read_ulong_c0_register($24, 0)
1222#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1223
1224/*
1225 * MIPS32 / MIPS64 performance counters
1226 */
1227#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1228#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1229#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1230#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1231#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1232#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1233#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1234#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1235#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1236#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1237#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1238#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1239#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1240#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1241#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1242#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1243#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1244#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1245#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1246#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1247#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1248#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1249#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1250#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1251
1da177e4
LT
1252#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1253#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1254
1255#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1256#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1257
1258#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1259
1260#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1261#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1262
1263#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1264#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1265
41c594ab
RB
1266#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1267#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1268
af231172
KC
1269#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1270#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1271
1272#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1273#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1274
1da177e4
LT
1275#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1276#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1277
1278#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1279#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1280
7a0fc58c 1281/* MIPSR2 */
21a151d8 1282#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1283#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1284
1285#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1286#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1287
1288#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1289#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1290
1291#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1292#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1293
21a151d8 1294#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1295#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1296
9b3274bd
JH
1297#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1298#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1299
4a0156fb
SH
1300/* MIPSR3 */
1301#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1302#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1303
1304#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1305#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1306
1307#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1308#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1309
87d08bc9
MC
1310/* Hardware Page Table Walker */
1311#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1312#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1313
1314#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1315#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1316
1317#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1318#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1319
1320#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1321#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1322
ed918c2d
DD
1323/* Cavium OCTEON (cnMIPS) */
1324#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1325#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1326
1327#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1328#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1329
1330#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1331#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1332/*
70342287 1333 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1334 * 64 bits wide.
1335 */
1336#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1337#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1338
1339#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1340#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1341
af231172
KC
1342/* BMIPS3300 */
1343#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1344#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1345
1346#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1347#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1348
1349#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1350#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1351
020232f1 1352/* BMIPS43xx */
af231172
KC
1353#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1354#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1355
1356#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1357#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1358
1359#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1360#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1361
1362#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1363#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1364
1365#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1366#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1367
1368/* BMIPS5000 */
1369#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1370#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1371
1372#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1373#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1374
1375#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1376#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1377
1378#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1379#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1380
1381#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1382#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1383
1384#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1385#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1386
1da177e4
LT
1387/*
1388 * Macros to access the floating point coprocessor control registers
1389 */
842dfc11 1390#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310
SH
1391({ \
1392 int __res; \
1393 \
1394 __asm__ __volatile__( \
1395 " .set push \n" \
1396 " .set reorder \n" \
1397 " # gas fails to assemble cfc1 for some archs, \n" \
1398 " # like Octeon. \n" \
1399 " .set mips1 \n" \
842dfc11 1400 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1401 " cfc1 %0,"STR(source)" \n" \
1402 " .set pop \n" \
1403 : "=r" (__res)); \
1404 __res; \
1405})
1da177e4 1406
5e32033e
JH
1407#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
1408do { \
1409 __asm__ __volatile__( \
1410 " .set push \n" \
1411 " .set reorder \n" \
1412 " "STR(gas_hardfloat)" \n" \
1413 " ctc1 %0,"STR(dest)" \n" \
1414 " .set pop \n" \
1415 : : "r" (val)); \
1416} while (0)
1417
842dfc11
ML
1418#ifdef GAS_HAS_SET_HARDFLOAT
1419#define read_32bit_cp1_register(source) \
1420 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
1421#define write_32bit_cp1_register(dest, val) \
1422 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
1423#else
1424#define read_32bit_cp1_register(source) \
1425 _read_32bit_cp1_register(source, )
5e32033e
JH
1426#define write_32bit_cp1_register(dest, val) \
1427 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
1428#endif
1429
32a7ede6 1430#ifdef HAVE_AS_DSP
e50c0a8f
RB
1431#define rddsp(mask) \
1432({ \
32a7ede6 1433 unsigned int __dspctl; \
e50c0a8f
RB
1434 \
1435 __asm__ __volatile__( \
63c2b681
FF
1436 " .set push \n" \
1437 " .set dsp \n" \
32a7ede6 1438 " rddsp %0, %x1 \n" \
63c2b681 1439 " .set pop \n" \
32a7ede6 1440 : "=r" (__dspctl) \
e50c0a8f 1441 : "i" (mask)); \
32a7ede6 1442 __dspctl; \
e50c0a8f
RB
1443})
1444
1445#define wrdsp(val, mask) \
1446do { \
e50c0a8f 1447 __asm__ __volatile__( \
63c2b681
FF
1448 " .set push \n" \
1449 " .set dsp \n" \
32a7ede6 1450 " wrdsp %0, %x1 \n" \
63c2b681 1451 " .set pop \n" \
70342287 1452 : \
e50c0a8f 1453 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1454} while (0)
1455
63c2b681
FF
1456#define mflo0() \
1457({ \
1458 long mflo0; \
1459 __asm__( \
1460 " .set push \n" \
1461 " .set dsp \n" \
1462 " mflo %0, $ac0 \n" \
1463 " .set pop \n" \
1464 : "=r" (mflo0)); \
1465 mflo0; \
1466})
1467
1468#define mflo1() \
1469({ \
1470 long mflo1; \
1471 __asm__( \
1472 " .set push \n" \
1473 " .set dsp \n" \
1474 " mflo %0, $ac1 \n" \
1475 " .set pop \n" \
1476 : "=r" (mflo1)); \
1477 mflo1; \
1478})
1479
1480#define mflo2() \
1481({ \
1482 long mflo2; \
1483 __asm__( \
1484 " .set push \n" \
1485 " .set dsp \n" \
1486 " mflo %0, $ac2 \n" \
1487 " .set pop \n" \
1488 : "=r" (mflo2)); \
1489 mflo2; \
1490})
1491
1492#define mflo3() \
1493({ \
1494 long mflo3; \
1495 __asm__( \
1496 " .set push \n" \
1497 " .set dsp \n" \
1498 " mflo %0, $ac3 \n" \
1499 " .set pop \n" \
1500 : "=r" (mflo3)); \
1501 mflo3; \
1502})
1503
1504#define mfhi0() \
1505({ \
1506 long mfhi0; \
1507 __asm__( \
1508 " .set push \n" \
1509 " .set dsp \n" \
1510 " mfhi %0, $ac0 \n" \
1511 " .set pop \n" \
1512 : "=r" (mfhi0)); \
1513 mfhi0; \
1514})
1515
1516#define mfhi1() \
1517({ \
1518 long mfhi1; \
1519 __asm__( \
1520 " .set push \n" \
1521 " .set dsp \n" \
1522 " mfhi %0, $ac1 \n" \
1523 " .set pop \n" \
1524 : "=r" (mfhi1)); \
1525 mfhi1; \
1526})
1527
1528#define mfhi2() \
1529({ \
1530 long mfhi2; \
1531 __asm__( \
1532 " .set push \n" \
1533 " .set dsp \n" \
1534 " mfhi %0, $ac2 \n" \
1535 " .set pop \n" \
1536 : "=r" (mfhi2)); \
1537 mfhi2; \
1538})
1539
1540#define mfhi3() \
1541({ \
1542 long mfhi3; \
1543 __asm__( \
1544 " .set push \n" \
1545 " .set dsp \n" \
1546 " mfhi %0, $ac3 \n" \
1547 " .set pop \n" \
1548 : "=r" (mfhi3)); \
1549 mfhi3; \
1550})
1551
1552
1553#define mtlo0(x) \
1554({ \
1555 __asm__( \
1556 " .set push \n" \
1557 " .set dsp \n" \
1558 " mtlo %0, $ac0 \n" \
1559 " .set pop \n" \
1560 : \
1561 : "r" (x)); \
1562})
1563
1564#define mtlo1(x) \
1565({ \
1566 __asm__( \
1567 " .set push \n" \
1568 " .set dsp \n" \
1569 " mtlo %0, $ac1 \n" \
1570 " .set pop \n" \
1571 : \
1572 : "r" (x)); \
1573})
1574
1575#define mtlo2(x) \
1576({ \
1577 __asm__( \
1578 " .set push \n" \
1579 " .set dsp \n" \
1580 " mtlo %0, $ac2 \n" \
1581 " .set pop \n" \
1582 : \
1583 : "r" (x)); \
1584})
1585
1586#define mtlo3(x) \
1587({ \
1588 __asm__( \
1589 " .set push \n" \
1590 " .set dsp \n" \
1591 " mtlo %0, $ac3 \n" \
1592 " .set pop \n" \
1593 : \
1594 : "r" (x)); \
1595})
1596
1597#define mthi0(x) \
1598({ \
1599 __asm__( \
1600 " .set push \n" \
1601 " .set dsp \n" \
1602 " mthi %0, $ac0 \n" \
1603 " .set pop \n" \
1604 : \
1605 : "r" (x)); \
1606})
1607
1608#define mthi1(x) \
1609({ \
1610 __asm__( \
1611 " .set push \n" \
1612 " .set dsp \n" \
1613 " mthi %0, $ac1 \n" \
1614 " .set pop \n" \
1615 : \
1616 : "r" (x)); \
1617})
1618
1619#define mthi2(x) \
1620({ \
1621 __asm__( \
1622 " .set push \n" \
1623 " .set dsp \n" \
1624 " mthi %0, $ac2 \n" \
1625 " .set pop \n" \
1626 : \
1627 : "r" (x)); \
1628})
1629
1630#define mthi3(x) \
1631({ \
1632 __asm__( \
1633 " .set push \n" \
1634 " .set dsp \n" \
1635 " mthi %0, $ac3 \n" \
1636 " .set pop \n" \
1637 : \
1638 : "r" (x)); \
1639})
e50c0a8f
RB
1640
1641#else
1642
d0c1b478
SH
1643#ifdef CONFIG_CPU_MICROMIPS
1644#define rddsp(mask) \
e50c0a8f 1645({ \
d0c1b478 1646 unsigned int __res; \
e50c0a8f
RB
1647 \
1648 __asm__ __volatile__( \
e50c0a8f
RB
1649 " .set push \n" \
1650 " .set noat \n" \
d0c1b478
SH
1651 " # rddsp $1, %x1 \n" \
1652 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1653 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1654 " move %0, $1 \n" \
e50c0a8f 1655 " .set pop \n" \
d0c1b478
SH
1656 : "=r" (__res) \
1657 : "i" (mask)); \
1658 __res; \
1659})
e50c0a8f 1660
d0c1b478 1661#define wrdsp(val, mask) \
e50c0a8f
RB
1662do { \
1663 __asm__ __volatile__( \
1664 " .set push \n" \
1665 " .set noat \n" \
1666 " move $1, %0 \n" \
d0c1b478
SH
1667 " # wrdsp $1, %x1 \n" \
1668 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1669 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1670 " .set pop \n" \
1671 : \
d0c1b478 1672 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1673} while (0)
1674
d0c1b478
SH
1675#define _umips_dsp_mfxxx(ins) \
1676({ \
1677 unsigned long __treg; \
1678 \
e50c0a8f
RB
1679 __asm__ __volatile__( \
1680 " .set push \n" \
1681 " .set noat \n" \
d0c1b478
SH
1682 " .hword 0x0001 \n" \
1683 " .hword %x1 \n" \
1684 " move %0, $1 \n" \
e50c0a8f 1685 " .set pop \n" \
d0c1b478
SH
1686 : "=r" (__treg) \
1687 : "i" (ins)); \
1688 __treg; \
1689})
e50c0a8f 1690
d0c1b478 1691#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1692do { \
1693 __asm__ __volatile__( \
1694 " .set push \n" \
1695 " .set noat \n" \
1696 " move $1, %0 \n" \
d0c1b478
SH
1697 " .hword 0x0001 \n" \
1698 " .hword %x1 \n" \
e50c0a8f
RB
1699 " .set pop \n" \
1700 : \
d0c1b478 1701 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1702} while (0)
1703
d0c1b478
SH
1704#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1705#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1706
1707#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1708#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1709
1710#define mflo0() _umips_dsp_mflo(0)
1711#define mflo1() _umips_dsp_mflo(1)
1712#define mflo2() _umips_dsp_mflo(2)
1713#define mflo3() _umips_dsp_mflo(3)
1714
1715#define mfhi0() _umips_dsp_mfhi(0)
1716#define mfhi1() _umips_dsp_mfhi(1)
1717#define mfhi2() _umips_dsp_mfhi(2)
1718#define mfhi3() _umips_dsp_mfhi(3)
1719
1720#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1721#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1722#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1723#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1724
1725#define mthi0(x) _umips_dsp_mthi(x, 0)
1726#define mthi1(x) _umips_dsp_mthi(x, 1)
1727#define mthi2(x) _umips_dsp_mthi(x, 2)
1728#define mthi3(x) _umips_dsp_mthi(x, 3)
1729
1730#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1731#define rddsp(mask) \
1732({ \
1733 unsigned int __res; \
1734 \
e50c0a8f 1735 __asm__ __volatile__( \
32a7ede6
SH
1736 " .set push \n" \
1737 " .set noat \n" \
1738 " # rddsp $1, %x1 \n" \
1739 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1740 " move %0, $1 \n" \
1741 " .set pop \n" \
1742 : "=r" (__res) \
1743 : "i" (mask)); \
1744 __res; \
1745})
e50c0a8f 1746
32a7ede6 1747#define wrdsp(val, mask) \
e50c0a8f
RB
1748do { \
1749 __asm__ __volatile__( \
1750 " .set push \n" \
1751 " .set noat \n" \
1752 " move $1, %0 \n" \
32a7ede6
SH
1753 " # wrdsp $1, %x1 \n" \
1754 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1755 " .set pop \n" \
32a7ede6
SH
1756 : \
1757 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1758} while (0)
1759
4cb764b4 1760#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1761({ \
1762 unsigned long __treg; \
1763 \
e50c0a8f
RB
1764 __asm__ __volatile__( \
1765 " .set push \n" \
1766 " .set noat \n" \
4cb764b4
SH
1767 " .word (0x00000810 | %1) \n" \
1768 " move %0, $1 \n" \
e50c0a8f 1769 " .set pop \n" \
4cb764b4
SH
1770 : "=r" (__treg) \
1771 : "i" (ins)); \
1772 __treg; \
1773})
e50c0a8f 1774
4cb764b4 1775#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1776do { \
1777 __asm__ __volatile__( \
1778 " .set push \n" \
1779 " .set noat \n" \
1780 " move $1, %0 \n" \
4cb764b4 1781 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1782 " .set pop \n" \
1783 : \
4cb764b4 1784 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1785} while (0)
1786
4cb764b4
SH
1787#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1788#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1789
4cb764b4
SH
1790#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1791#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1792
4cb764b4
SH
1793#define mflo0() _dsp_mflo(0)
1794#define mflo1() _dsp_mflo(1)
1795#define mflo2() _dsp_mflo(2)
1796#define mflo3() _dsp_mflo(3)
e50c0a8f 1797
4cb764b4
SH
1798#define mfhi0() _dsp_mfhi(0)
1799#define mfhi1() _dsp_mfhi(1)
1800#define mfhi2() _dsp_mfhi(2)
1801#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1802
4cb764b4
SH
1803#define mtlo0(x) _dsp_mtlo(x, 0)
1804#define mtlo1(x) _dsp_mtlo(x, 1)
1805#define mtlo2(x) _dsp_mtlo(x, 2)
1806#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1807
4cb764b4
SH
1808#define mthi0(x) _dsp_mthi(x, 0)
1809#define mthi1(x) _dsp_mthi(x, 1)
1810#define mthi2(x) _dsp_mthi(x, 2)
1811#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1812
d0c1b478 1813#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1814#endif
1815
1da177e4
LT
1816/*
1817 * TLB operations.
1818 *
1819 * It is responsibility of the caller to take care of any TLB hazards.
1820 */
1821static inline void tlb_probe(void)
1822{
1823 __asm__ __volatile__(
1824 ".set noreorder\n\t"
1825 "tlbp\n\t"
1826 ".set reorder");
1827}
1828
1829static inline void tlb_read(void)
1830{
9267a30d
MSJ
1831#if MIPS34K_MISSED_ITLB_WAR
1832 int res = 0;
1833
1834 __asm__ __volatile__(
1835 " .set push \n"
1836 " .set noreorder \n"
1837 " .set noat \n"
1838 " .set mips32r2 \n"
1839 " .word 0x41610001 # dvpe $1 \n"
1840 " move %0, $1 \n"
1841 " ehb \n"
1842 " .set pop \n"
1843 : "=r" (res));
1844
1845 instruction_hazard();
1846#endif
1847
1da177e4
LT
1848 __asm__ __volatile__(
1849 ".set noreorder\n\t"
1850 "tlbr\n\t"
1851 ".set reorder");
9267a30d
MSJ
1852
1853#if MIPS34K_MISSED_ITLB_WAR
1854 if ((res & _ULCAST_(1)))
1855 __asm__ __volatile__(
1856 " .set push \n"
1857 " .set noreorder \n"
1858 " .set noat \n"
1859 " .set mips32r2 \n"
1860 " .word 0x41600021 # evpe \n"
1861 " ehb \n"
1862 " .set pop \n");
1863#endif
1da177e4
LT
1864}
1865
1866static inline void tlb_write_indexed(void)
1867{
1868 __asm__ __volatile__(
1869 ".set noreorder\n\t"
1870 "tlbwi\n\t"
1871 ".set reorder");
1872}
1873
1874static inline void tlb_write_random(void)
1875{
1876 __asm__ __volatile__(
1877 ".set noreorder\n\t"
1878 "tlbwr\n\t"
1879 ".set reorder");
1880}
1881
1882/*
1883 * Manipulate bits in a c0 register.
1884 */
1885#define __BUILD_SET_C0(name) \
1886static inline unsigned int \
1887set_c0_##name(unsigned int set) \
1888{ \
89e18eb3 1889 unsigned int res, new; \
1da177e4
LT
1890 \
1891 res = read_c0_##name(); \
89e18eb3
RB
1892 new = res | set; \
1893 write_c0_##name(new); \
1da177e4
LT
1894 \
1895 return res; \
1896} \
1897 \
1898static inline unsigned int \
1899clear_c0_##name(unsigned int clear) \
1900{ \
89e18eb3 1901 unsigned int res, new; \
1da177e4
LT
1902 \
1903 res = read_c0_##name(); \
89e18eb3
RB
1904 new = res & ~clear; \
1905 write_c0_##name(new); \
1da177e4
LT
1906 \
1907 return res; \
1908} \
1909 \
1910static inline unsigned int \
89e18eb3 1911change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 1912{ \
89e18eb3 1913 unsigned int res, new; \
1da177e4
LT
1914 \
1915 res = read_c0_##name(); \
89e18eb3
RB
1916 new = res & ~change; \
1917 new |= (val & change); \
1918 write_c0_##name(new); \
1da177e4
LT
1919 \
1920 return res; \
1921}
1922
1923__BUILD_SET_C0(status)
1924__BUILD_SET_C0(cause)
1925__BUILD_SET_C0(config)
7f65afb9 1926__BUILD_SET_C0(config5)
1da177e4 1927__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
1928__BUILD_SET_C0(intctl)
1929__BUILD_SET_C0(srsmap)
a5770df0 1930__BUILD_SET_C0(pagegrain)
020232f1
KC
1931__BUILD_SET_C0(brcm_config_0)
1932__BUILD_SET_C0(brcm_bus_pll)
1933__BUILD_SET_C0(brcm_reset)
1934__BUILD_SET_C0(brcm_cmt_intr)
1935__BUILD_SET_C0(brcm_cmt_ctrl)
1936__BUILD_SET_C0(brcm_config)
1937__BUILD_SET_C0(brcm_mode)
1da177e4 1938
45b585c8
DD
1939/*
1940 * Return low 10 bits of ebase.
1941 * Note that under KVM (MIPSVZ) this returns vcpu id.
1942 */
1943static inline unsigned int get_ebase_cpunum(void)
1944{
1945 return read_c0_ebase() & 0x3ff;
1946}
1947
1da177e4
LT
1948#endif /* !__ASSEMBLY__ */
1949
1950#endif /* _ASM_MIPSREGS_H */