MIPS: cpu: Add new cpu option for Hardware Table Walker.
[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)
9fe2e9d6 268
1da177e4
LT
269/*
270 * R4x00 interrupt enable / cause bits
271 */
70342287
RB
272#define IE_SW0 (_ULCAST_(1) << 8)
273#define IE_SW1 (_ULCAST_(1) << 9)
274#define IE_IRQ0 (_ULCAST_(1) << 10)
275#define IE_IRQ1 (_ULCAST_(1) << 11)
276#define IE_IRQ2 (_ULCAST_(1) << 12)
277#define IE_IRQ3 (_ULCAST_(1) << 13)
278#define IE_IRQ4 (_ULCAST_(1) << 14)
279#define IE_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
280
281/*
282 * R4x00 interrupt cause bits
283 */
70342287
RB
284#define C_SW0 (_ULCAST_(1) << 8)
285#define C_SW1 (_ULCAST_(1) << 9)
286#define C_IRQ0 (_ULCAST_(1) << 10)
287#define C_IRQ1 (_ULCAST_(1) << 11)
288#define C_IRQ2 (_ULCAST_(1) << 12)
289#define C_IRQ3 (_ULCAST_(1) << 13)
290#define C_IRQ4 (_ULCAST_(1) << 14)
291#define C_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
292
293/*
294 * Bitfields in the R4xx0 cp0 status register
295 */
296#define ST0_IE 0x00000001
297#define ST0_EXL 0x00000002
298#define ST0_ERL 0x00000004
299#define ST0_KSU 0x00000018
300# define KSU_USER 0x00000010
301# define KSU_SUPERVISOR 0x00000008
302# define KSU_KERNEL 0x00000000
303#define ST0_UX 0x00000020
304#define ST0_SX 0x00000040
70342287 305#define ST0_KX 0x00000080
1da177e4
LT
306#define ST0_DE 0x00010000
307#define ST0_CE 0x00020000
308
309/*
310 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
311 * cacheops in userspace. This bit exists only on RM7000 and RM9000
312 * processors.
313 */
314#define ST0_CO 0x08000000
315
316/*
317 * Bitfields in the R[23]000 cp0 status register.
318 */
70342287 319#define ST0_IEC 0x00000001
1da177e4
LT
320#define ST0_KUC 0x00000002
321#define ST0_IEP 0x00000004
322#define ST0_KUP 0x00000008
323#define ST0_IEO 0x00000010
324#define ST0_KUO 0x00000020
325/* bits 6 & 7 are reserved on R[23]000 */
326#define ST0_ISC 0x00010000
327#define ST0_SWC 0x00020000
328#define ST0_CM 0x00080000
329
330/*
331 * Bits specific to the R4640/R4650
332 */
70342287 333#define ST0_UM (_ULCAST_(1) << 4)
1da177e4
LT
334#define ST0_IL (_ULCAST_(1) << 23)
335#define ST0_DL (_ULCAST_(1) << 24)
336
e50c0a8f 337/*
3301edcb 338 * Enable the MIPS MDMX and DSP ASEs
e50c0a8f
RB
339 */
340#define ST0_MX 0x01000000
341
1da177e4
LT
342/*
343 * Bitfields in the TX39 family CP0 Configuration Register 3
344 */
345#define TX39_CONF_ICS_SHIFT 19
346#define TX39_CONF_ICS_MASK 0x00380000
70342287
RB
347#define TX39_CONF_ICS_1KB 0x00000000
348#define TX39_CONF_ICS_2KB 0x00080000
349#define TX39_CONF_ICS_4KB 0x00100000
350#define TX39_CONF_ICS_8KB 0x00180000
351#define TX39_CONF_ICS_16KB 0x00200000
1da177e4
LT
352
353#define TX39_CONF_DCS_SHIFT 16
354#define TX39_CONF_DCS_MASK 0x00070000
70342287
RB
355#define TX39_CONF_DCS_1KB 0x00000000
356#define TX39_CONF_DCS_2KB 0x00010000
357#define TX39_CONF_DCS_4KB 0x00020000
358#define TX39_CONF_DCS_8KB 0x00030000
359#define TX39_CONF_DCS_16KB 0x00040000
360
361#define TX39_CONF_CWFON 0x00004000
362#define TX39_CONF_WBON 0x00002000
1da177e4
LT
363#define TX39_CONF_RF_SHIFT 10
364#define TX39_CONF_RF_MASK 0x00000c00
365#define TX39_CONF_DOZE 0x00000200
366#define TX39_CONF_HALT 0x00000100
367#define TX39_CONF_LOCK 0x00000080
368#define TX39_CONF_ICE 0x00000020
369#define TX39_CONF_DCE 0x00000010
370#define TX39_CONF_IRSIZE_SHIFT 2
371#define TX39_CONF_IRSIZE_MASK 0x0000000c
372#define TX39_CONF_DRSIZE_SHIFT 0
373#define TX39_CONF_DRSIZE_MASK 0x00000003
374
375/*
376 * Status register bits available in all MIPS CPUs.
377 */
378#define ST0_IM 0x0000ff00
70342287
RB
379#define STATUSB_IP0 8
380#define STATUSF_IP0 (_ULCAST_(1) << 8)
381#define STATUSB_IP1 9
382#define STATUSF_IP1 (_ULCAST_(1) << 9)
383#define STATUSB_IP2 10
384#define STATUSF_IP2 (_ULCAST_(1) << 10)
385#define STATUSB_IP3 11
386#define STATUSF_IP3 (_ULCAST_(1) << 11)
387#define STATUSB_IP4 12
388#define STATUSF_IP4 (_ULCAST_(1) << 12)
389#define STATUSB_IP5 13
390#define STATUSF_IP5 (_ULCAST_(1) << 13)
391#define STATUSB_IP6 14
392#define STATUSF_IP6 (_ULCAST_(1) << 14)
393#define STATUSB_IP7 15
394#define STATUSF_IP7 (_ULCAST_(1) << 15)
395#define STATUSB_IP8 0
396#define STATUSF_IP8 (_ULCAST_(1) << 0)
397#define STATUSB_IP9 1
398#define STATUSF_IP9 (_ULCAST_(1) << 1)
399#define STATUSB_IP10 2
400#define STATUSF_IP10 (_ULCAST_(1) << 2)
401#define STATUSB_IP11 3
402#define STATUSF_IP11 (_ULCAST_(1) << 3)
403#define STATUSB_IP12 4
404#define STATUSF_IP12 (_ULCAST_(1) << 4)
405#define STATUSB_IP13 5
406#define STATUSF_IP13 (_ULCAST_(1) << 5)
407#define STATUSB_IP14 6
408#define STATUSF_IP14 (_ULCAST_(1) << 6)
409#define STATUSB_IP15 7
410#define STATUSF_IP15 (_ULCAST_(1) << 7)
1da177e4 411#define ST0_CH 0x00040000
96ffa02d 412#define ST0_NMI 0x00080000
1da177e4
LT
413#define ST0_SR 0x00100000
414#define ST0_TS 0x00200000
415#define ST0_BEV 0x00400000
416#define ST0_RE 0x02000000
417#define ST0_FR 0x04000000
418#define ST0_CU 0xf0000000
419#define ST0_CU0 0x10000000
420#define ST0_CU1 0x20000000
421#define ST0_CU2 0x40000000
422#define ST0_CU3 0x80000000
423#define ST0_XX 0x80000000 /* MIPS IV naming */
424
010c108d
DV
425/*
426 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
427 *
428 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
429 */
430#define INTCTLB_IPPCI 26
431#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
432#define INTCTLB_IPTI 29
433#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
434
1da177e4
LT
435/*
436 * Bitfields and bit numbers in the coprocessor 0 cause register.
437 *
438 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
439 */
70342287
RB
440#define CAUSEB_EXCCODE 2
441#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
442#define CAUSEB_IP 8
443#define CAUSEF_IP (_ULCAST_(255) << 8)
444#define CAUSEB_IP0 8
445#define CAUSEF_IP0 (_ULCAST_(1) << 8)
446#define CAUSEB_IP1 9
447#define CAUSEF_IP1 (_ULCAST_(1) << 9)
448#define CAUSEB_IP2 10
449#define CAUSEF_IP2 (_ULCAST_(1) << 10)
450#define CAUSEB_IP3 11
451#define CAUSEF_IP3 (_ULCAST_(1) << 11)
452#define CAUSEB_IP4 12
453#define CAUSEF_IP4 (_ULCAST_(1) << 12)
454#define CAUSEB_IP5 13
455#define CAUSEF_IP5 (_ULCAST_(1) << 13)
456#define CAUSEB_IP6 14
457#define CAUSEF_IP6 (_ULCAST_(1) << 14)
458#define CAUSEB_IP7 15
459#define CAUSEF_IP7 (_ULCAST_(1) << 15)
460#define CAUSEB_IV 23
461#define CAUSEF_IV (_ULCAST_(1) << 23)
462#define CAUSEB_PCI 26
463#define CAUSEF_PCI (_ULCAST_(1) << 26)
464#define CAUSEB_CE 28
465#define CAUSEF_CE (_ULCAST_(3) << 28)
466#define CAUSEB_TI 30
467#define CAUSEF_TI (_ULCAST_(1) << 30)
468#define CAUSEB_BD 31
469#define CAUSEF_BD (_ULCAST_(1) << 31)
1da177e4
LT
470
471/*
472 * Bits in the coprocessor 0 config register.
473 */
474/* Generic bits. */
475#define CONF_CM_CACHABLE_NO_WA 0
476#define CONF_CM_CACHABLE_WA 1
477#define CONF_CM_UNCACHED 2
478#define CONF_CM_CACHABLE_NONCOHERENT 3
479#define CONF_CM_CACHABLE_CE 4
480#define CONF_CM_CACHABLE_COW 5
481#define CONF_CM_CACHABLE_CUW 6
482#define CONF_CM_CACHABLE_ACCELERATED 7
483#define CONF_CM_CMASK 7
484#define CONF_BE (_ULCAST_(1) << 15)
485
486/* Bits common to various processors. */
70342287
RB
487#define CONF_CU (_ULCAST_(1) << 3)
488#define CONF_DB (_ULCAST_(1) << 4)
489#define CONF_IB (_ULCAST_(1) << 5)
490#define CONF_DC (_ULCAST_(7) << 6)
491#define CONF_IC (_ULCAST_(7) << 9)
1da177e4
LT
492#define CONF_EB (_ULCAST_(1) << 13)
493#define CONF_EM (_ULCAST_(1) << 14)
494#define CONF_SM (_ULCAST_(1) << 16)
495#define CONF_SC (_ULCAST_(1) << 17)
496#define CONF_EW (_ULCAST_(3) << 18)
497#define CONF_EP (_ULCAST_(15)<< 24)
498#define CONF_EC (_ULCAST_(7) << 28)
499#define CONF_CM (_ULCAST_(1) << 31)
500
70342287 501/* Bits specific to the R4xx0. */
1da177e4
LT
502#define R4K_CONF_SW (_ULCAST_(1) << 20)
503#define R4K_CONF_SS (_ULCAST_(1) << 21)
e20368d5 504#define R4K_CONF_SB (_ULCAST_(3) << 22)
1da177e4 505
70342287 506/* Bits specific to the R5000. */
1da177e4
LT
507#define R5K_CONF_SE (_ULCAST_(1) << 12)
508#define R5K_CONF_SS (_ULCAST_(3) << 20)
509
70342287
RB
510/* Bits specific to the RM7000. */
511#define RM7K_CONF_SE (_ULCAST_(1) << 3)
c6ad7b7d
MR
512#define RM7K_CONF_TE (_ULCAST_(1) << 12)
513#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
514#define RM7K_CONF_TC (_ULCAST_(1) << 17)
515#define RM7K_CONF_SI (_ULCAST_(3) << 20)
516#define RM7K_CONF_SC (_ULCAST_(1) << 31)
ba5187db 517
70342287
RB
518/* Bits specific to the R10000. */
519#define R10K_CONF_DN (_ULCAST_(3) << 3)
520#define R10K_CONF_CT (_ULCAST_(1) << 5)
521#define R10K_CONF_PE (_ULCAST_(1) << 6)
522#define R10K_CONF_PM (_ULCAST_(3) << 7)
523#define R10K_CONF_EC (_ULCAST_(15)<< 9)
1da177e4
LT
524#define R10K_CONF_SB (_ULCAST_(1) << 13)
525#define R10K_CONF_SK (_ULCAST_(1) << 14)
526#define R10K_CONF_SS (_ULCAST_(7) << 16)
527#define R10K_CONF_SC (_ULCAST_(7) << 19)
528#define R10K_CONF_DC (_ULCAST_(7) << 26)
529#define R10K_CONF_IC (_ULCAST_(7) << 29)
530
70342287 531/* Bits specific to the VR41xx. */
1da177e4 532#define VR41_CONF_CS (_ULCAST_(1) << 12)
2874fe55 533#define VR41_CONF_P4K (_ULCAST_(1) << 13)
4e8ab361 534#define VR41_CONF_BP (_ULCAST_(1) << 16)
1da177e4
LT
535#define VR41_CONF_M16 (_ULCAST_(1) << 20)
536#define VR41_CONF_AD (_ULCAST_(1) << 23)
537
70342287 538/* Bits specific to the R30xx. */
1da177e4
LT
539#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
540#define R30XX_CONF_REV (_ULCAST_(1) << 22)
541#define R30XX_CONF_AC (_ULCAST_(1) << 23)
542#define R30XX_CONF_RF (_ULCAST_(1) << 24)
543#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
544#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
545#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
546#define R30XX_CONF_SB (_ULCAST_(1) << 30)
547#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
548
549/* Bits specific to the TX49. */
550#define TX49_CONF_DC (_ULCAST_(1) << 16)
551#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
552#define TX49_CONF_HALT (_ULCAST_(1) << 18)
553#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
554
70342287
RB
555/* Bits specific to the MIPS32/64 PRA. */
556#define MIPS_CONF_MT (_ULCAST_(7) << 7)
1da177e4
LT
557#define MIPS_CONF_AR (_ULCAST_(7) << 10)
558#define MIPS_CONF_AT (_ULCAST_(3) << 13)
559#define MIPS_CONF_M (_ULCAST_(1) << 31)
560
4194318c
RB
561/*
562 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
563 */
70342287
RB
564#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
565#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
566#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
567#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
568#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
569#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
570#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
571#define MIPS_CONF1_DA_SHF 7
572#define MIPS_CONF1_DA_SZ 3
70342287 573#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
574#define MIPS_CONF1_DL_SHF 10
575#define MIPS_CONF1_DL_SZ 3
4194318c 576#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
577#define MIPS_CONF1_DS_SHF 13
578#define MIPS_CONF1_DS_SZ 3
4194318c 579#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
580#define MIPS_CONF1_IA_SHF 16
581#define MIPS_CONF1_IA_SZ 3
4194318c 582#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
583#define MIPS_CONF1_IL_SHF 19
584#define MIPS_CONF1_IL_SZ 3
4194318c 585#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
586#define MIPS_CONF1_IS_SHF 22
587#define MIPS_CONF1_IS_SZ 3
4194318c 588#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
589#define MIPS_CONF1_TLBS_SHIFT (25)
590#define MIPS_CONF1_TLBS_SIZE (6)
591#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 592
70342287
RB
593#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
594#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
595#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
596#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
597#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
598#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
599#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
600#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
601
70342287
RB
602#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
603#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
604#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 605#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
606#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
607#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
608#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
609#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
610#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
611#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 612#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 613#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 614#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 615#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 616#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 617#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
618#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
619#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
620#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 621#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
622#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
623#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
624#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
625#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
626#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
627#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
628#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
629
630#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 631#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba
LY
632#define MIPS_CONF4_FTLBSETS_SHIFT (0)
633#define MIPS_CONF4_FTLBSETS_SHIFT (0)
634#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
635#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
636#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
637#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
638/* bits 10:8 in FTLB-only configurations */
639#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
640/* bits 12:8 in VTLB-FTLB only configurations */
641#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
1b362e3e
DD
642#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
643#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
691038ba
LY
644#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
645#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
646#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16)
647#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
648#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
649#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
650#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
651#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
1b362e3e 652
2f9ee82c
RB
653#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
654#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
655#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
656#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
657#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
658#define MIPS_CONF5_K (_ULCAST_(1) << 30)
659
006a851b 660#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
661/* proAptiv FTLB on/off bit */
662#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
006a851b 663
4b3e975e
RB
664#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
665
9267a30d
MSJ
666#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
667
02dc6bfb
MC
668#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
669#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
670
691038ba
LY
671/* EntryHI bit definition */
672#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
9267a30d 673
4dd8ee5d
PB
674/* CMGCRBase bit definitions */
675#define MIPS_CMGCRB_BASE 11
676#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
677
4194318c
RB
678/*
679 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
680 */
681#define MIPS_FPIR_S (_ULCAST_(1) << 16)
682#define MIPS_FPIR_D (_ULCAST_(1) << 17)
683#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
684#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
685#define MIPS_FPIR_W (_ULCAST_(1) << 20)
686#define MIPS_FPIR_L (_ULCAST_(1) << 21)
687#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
688
4a0156fb
SH
689/*
690 * Bits in the MIPS32 Memory Segmentation registers.
691 */
692#define MIPS_SEGCFG_PA_SHIFT 9
693#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
694#define MIPS_SEGCFG_AM_SHIFT 4
695#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
696#define MIPS_SEGCFG_EU_SHIFT 3
697#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
698#define MIPS_SEGCFG_C_SHIFT 0
699#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
700
701#define MIPS_SEGCFG_UUSK _ULCAST_(7)
702#define MIPS_SEGCFG_USK _ULCAST_(5)
703#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
704#define MIPS_SEGCFG_MUSK _ULCAST_(3)
705#define MIPS_SEGCFG_MSK _ULCAST_(2)
706#define MIPS_SEGCFG_MK _ULCAST_(1)
707#define MIPS_SEGCFG_UK _ULCAST_(0)
708
1da177e4
LT
709#ifndef __ASSEMBLY__
710
bfd08baa 711/*
377cb1b6 712 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 713 */
377cb1b6
RB
714#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
715 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
716#define get_isa16_mode(x) ((x) & 0x1)
717#define msk_isa16_mode(x) ((x) & ~0x1)
718#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
719#else
720#define get_isa16_mode(x) 0
721#define msk_isa16_mode(x) (x)
722#define set_isa16_mode(x) do { } while(0)
723#endif
bfd08baa
SH
724
725/*
726 * microMIPS instructions can be 16-bit or 32-bit in length. This
727 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
728 */
729static inline int mm_insn_16bit(u16 insn)
730{
731 u16 opcode = (insn >> 10) & 0x7;
732
733 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
734}
735
198bb4ce
LY
736/*
737 * TLB Invalidate Flush
738 */
739static inline void tlbinvf(void)
740{
741 __asm__ __volatile__(
742 ".set push\n\t"
743 ".set noreorder\n\t"
744 ".word 0x42000004\n\t" /* tlbinvf */
745 ".set pop");
746}
747
748
1da177e4 749/*
70342287 750 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
751 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
752 * performance counter number encoded into bits 1 ... 5 of the instruction.
753 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
754 * disassembler these will look like an access to sel 0 or 1.
755 */
756#define read_r10k_perf_cntr(counter) \
757({ \
758 unsigned int __res; \
759 __asm__ __volatile__( \
760 "mfpc\t%0, %1" \
70342287 761 : "=r" (__res) \
1da177e4
LT
762 : "i" (counter)); \
763 \
70342287 764 __res; \
1da177e4
LT
765})
766
70342287 767#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
768do { \
769 __asm__ __volatile__( \
770 "mtpc\t%0, %1" \
771 : \
772 : "r" (val), "i" (counter)); \
773} while (0)
774
775#define read_r10k_perf_event(counter) \
776({ \
777 unsigned int __res; \
778 __asm__ __volatile__( \
779 "mfps\t%0, %1" \
70342287 780 : "=r" (__res) \
1da177e4
LT
781 : "i" (counter)); \
782 \
70342287 783 __res; \
1da177e4
LT
784})
785
70342287 786#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
787do { \
788 __asm__ __volatile__( \
789 "mtps\t%0, %1" \
790 : \
791 : "r" (val), "i" (counter)); \
792} while (0)
793
794
795/*
796 * Macros to access the system control coprocessor
797 */
798
799#define __read_32bit_c0_register(source, sel) \
800({ int __res; \
801 if (sel == 0) \
802 __asm__ __volatile__( \
803 "mfc0\t%0, " #source "\n\t" \
804 : "=r" (__res)); \
805 else \
806 __asm__ __volatile__( \
807 ".set\tmips32\n\t" \
808 "mfc0\t%0, " #source ", " #sel "\n\t" \
809 ".set\tmips0\n\t" \
810 : "=r" (__res)); \
811 __res; \
812})
813
814#define __read_64bit_c0_register(source, sel) \
815({ unsigned long long __res; \
816 if (sizeof(unsigned long) == 4) \
817 __res = __read_64bit_c0_split(source, sel); \
818 else if (sel == 0) \
819 __asm__ __volatile__( \
820 ".set\tmips3\n\t" \
821 "dmfc0\t%0, " #source "\n\t" \
822 ".set\tmips0" \
823 : "=r" (__res)); \
824 else \
825 __asm__ __volatile__( \
826 ".set\tmips64\n\t" \
827 "dmfc0\t%0, " #source ", " #sel "\n\t" \
828 ".set\tmips0" \
829 : "=r" (__res)); \
830 __res; \
831})
832
833#define __write_32bit_c0_register(register, sel, value) \
834do { \
835 if (sel == 0) \
836 __asm__ __volatile__( \
837 "mtc0\t%z0, " #register "\n\t" \
0952e290 838 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
839 else \
840 __asm__ __volatile__( \
841 ".set\tmips32\n\t" \
842 "mtc0\t%z0, " #register ", " #sel "\n\t" \
843 ".set\tmips0" \
0952e290 844 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
845} while (0)
846
847#define __write_64bit_c0_register(register, sel, value) \
848do { \
849 if (sizeof(unsigned long) == 4) \
850 __write_64bit_c0_split(register, sel, value); \
851 else if (sel == 0) \
852 __asm__ __volatile__( \
853 ".set\tmips3\n\t" \
854 "dmtc0\t%z0, " #register "\n\t" \
855 ".set\tmips0" \
856 : : "Jr" (value)); \
857 else \
858 __asm__ __volatile__( \
859 ".set\tmips64\n\t" \
860 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
861 ".set\tmips0" \
862 : : "Jr" (value)); \
863} while (0)
864
865#define __read_ulong_c0_register(reg, sel) \
866 ((sizeof(unsigned long) == 4) ? \
867 (unsigned long) __read_32bit_c0_register(reg, sel) : \
868 (unsigned long) __read_64bit_c0_register(reg, sel))
869
870#define __write_ulong_c0_register(reg, sel, val) \
871do { \
872 if (sizeof(unsigned long) == 4) \
873 __write_32bit_c0_register(reg, sel, val); \
874 else \
875 __write_64bit_c0_register(reg, sel, val); \
876} while (0)
877
878/*
879 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
880 */
881#define __read_32bit_c0_ctrl_register(source) \
882({ int __res; \
883 __asm__ __volatile__( \
884 "cfc0\t%0, " #source "\n\t" \
885 : "=r" (__res)); \
886 __res; \
887})
888
889#define __write_32bit_c0_ctrl_register(register, value) \
890do { \
891 __asm__ __volatile__( \
892 "ctc0\t%z0, " #register "\n\t" \
0952e290 893 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
894} while (0)
895
896/*
897 * These versions are only needed for systems with more than 38 bits of
898 * physical address space running the 32-bit kernel. That's none atm :-)
899 */
900#define __read_64bit_c0_split(source, sel) \
901({ \
87d43dd4
AN
902 unsigned long long __val; \
903 unsigned long __flags; \
1da177e4 904 \
87d43dd4 905 local_irq_save(__flags); \
1da177e4
LT
906 if (sel == 0) \
907 __asm__ __volatile__( \
908 ".set\tmips64\n\t" \
909 "dmfc0\t%M0, " #source "\n\t" \
910 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
911 "dsra\t%M0, %M0, 32\n\t" \
912 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 913 ".set\tmips0" \
87d43dd4 914 : "=r" (__val)); \
1da177e4
LT
915 else \
916 __asm__ __volatile__( \
917 ".set\tmips64\n\t" \
918 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
919 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
920 "dsra\t%M0, %M0, 32\n\t" \
921 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 922 ".set\tmips0" \
87d43dd4
AN
923 : "=r" (__val)); \
924 local_irq_restore(__flags); \
1da177e4 925 \
87d43dd4 926 __val; \
1da177e4
LT
927})
928
929#define __write_64bit_c0_split(source, sel, val) \
930do { \
87d43dd4 931 unsigned long __flags; \
1da177e4 932 \
87d43dd4 933 local_irq_save(__flags); \
1da177e4
LT
934 if (sel == 0) \
935 __asm__ __volatile__( \
936 ".set\tmips64\n\t" \
937 "dsll\t%L0, %L0, 32\n\t" \
938 "dsrl\t%L0, %L0, 32\n\t" \
939 "dsll\t%M0, %M0, 32\n\t" \
940 "or\t%L0, %L0, %M0\n\t" \
941 "dmtc0\t%L0, " #source "\n\t" \
942 ".set\tmips0" \
943 : : "r" (val)); \
944 else \
945 __asm__ __volatile__( \
946 ".set\tmips64\n\t" \
947 "dsll\t%L0, %L0, 32\n\t" \
948 "dsrl\t%L0, %L0, 32\n\t" \
949 "dsll\t%M0, %M0, 32\n\t" \
950 "or\t%L0, %L0, %M0\n\t" \
951 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
952 ".set\tmips0" \
953 : : "r" (val)); \
87d43dd4 954 local_irq_restore(__flags); \
1da177e4
LT
955} while (0)
956
957#define read_c0_index() __read_32bit_c0_register($0, 0)
958#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
959
272bace7
RB
960#define read_c0_random() __read_32bit_c0_register($1, 0)
961#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
962
1da177e4
LT
963#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
964#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
965
966#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
967#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
968
969#define read_c0_conf() __read_32bit_c0_register($3, 0)
970#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
971
972#define read_c0_context() __read_ulong_c0_register($4, 0)
973#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
974
a3692020 975#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 976#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 977
1da177e4
LT
978#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
979#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
980
9fe2e9d6 981#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 982#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 983
1da177e4
LT
984#define read_c0_wired() __read_32bit_c0_register($6, 0)
985#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
986
987#define read_c0_info() __read_32bit_c0_register($7, 0)
988
70342287 989#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
990#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
991
15c4f67a
RB
992#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
993#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
994
1da177e4
LT
995#define read_c0_count() __read_32bit_c0_register($9, 0)
996#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
997
bdf21b18
PP
998#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
999#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1000
1001#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1002#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1003
1da177e4
LT
1004#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1005#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1006
1007#define read_c0_compare() __read_32bit_c0_register($11, 0)
1008#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1009
bdf21b18
PP
1010#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1011#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1012
1013#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1014#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1015
1da177e4 1016#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1017
1da177e4
LT
1018#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1019
1020#define read_c0_cause() __read_32bit_c0_register($13, 0)
1021#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1022
1023#define read_c0_epc() __read_ulong_c0_register($14, 0)
1024#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1025
1026#define read_c0_prid() __read_32bit_c0_register($15, 0)
1027
4dd8ee5d
PB
1028#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1029
1da177e4
LT
1030#define read_c0_config() __read_32bit_c0_register($16, 0)
1031#define read_c0_config1() __read_32bit_c0_register($16, 1)
1032#define read_c0_config2() __read_32bit_c0_register($16, 2)
1033#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1034#define read_c0_config4() __read_32bit_c0_register($16, 4)
1035#define read_c0_config5() __read_32bit_c0_register($16, 5)
1036#define read_c0_config6() __read_32bit_c0_register($16, 6)
1037#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1038#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1039#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1040#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1041#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1042#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1043#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1044#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1045#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4
LT
1046
1047/*
25985edc 1048 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1049 */
1050#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1051#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1052#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1053#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1054#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1055#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1056#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1057#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1058#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1059#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1060#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1061#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1062#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1063#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1064#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1065#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1066
1067/*
25985edc 1068 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1069 */
1070#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1071#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1072#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1073#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1074#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1075#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1076#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1077#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1078
1079#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1080#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1081#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1082#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1083#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1084#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1085#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1086#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1087
1088#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1089#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1090
1091#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1092#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1093
1094#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1095#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1096
1da177e4
LT
1097#define read_c0_diag() __read_32bit_c0_register($22, 0)
1098#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1099
1100#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1101#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1102
1103#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1104#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1105
1106#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1107#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1108
1109#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1110#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1111
1112#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1113#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1114
1115#define read_c0_debug() __read_32bit_c0_register($23, 0)
1116#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1117
1118#define read_c0_depc() __read_ulong_c0_register($24, 0)
1119#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1120
1121/*
1122 * MIPS32 / MIPS64 performance counters
1123 */
1124#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1125#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1126#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1127#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1128#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1129#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1130#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1131#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1132#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1133#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1134#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1135#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1136#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1137#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1138#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1139#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1140#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1141#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1142#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1143#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1144#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1145#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1146#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1147#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1148
1da177e4
LT
1149#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1150#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1151
1152#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1153#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1154
1155#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1156
1157#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1158#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1159
1160#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1161#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1162
41c594ab
RB
1163#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1164#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1165
af231172
KC
1166#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1167#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1168
1169#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1170#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1171
1da177e4
LT
1172#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1173#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1174
1175#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1176#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1177
7a0fc58c 1178/* MIPSR2 */
21a151d8 1179#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1180#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1181
1182#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1183#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1184
1185#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1186#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1187
1188#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1189#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1190
21a151d8 1191#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1192#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1193
4a0156fb
SH
1194/* MIPSR3 */
1195#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1196#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1197
1198#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1199#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1200
1201#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1202#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d
DD
1203
1204/* Cavium OCTEON (cnMIPS) */
1205#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1206#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1207
1208#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1209#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1210
1211#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1212#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1213/*
70342287 1214 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1215 * 64 bits wide.
1216 */
1217#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1218#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1219
1220#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1221#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1222
af231172
KC
1223/* BMIPS3300 */
1224#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1225#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1226
1227#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1228#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1229
1230#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1231#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1232
020232f1 1233/* BMIPS43xx */
af231172
KC
1234#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1235#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1236
1237#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1238#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1239
1240#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1241#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1242
1243#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1244#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1245
1246#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1247#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1248
1249/* BMIPS5000 */
1250#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1251#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1252
1253#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1254#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1255
1256#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1257#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1258
1259#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1260#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1261
1262#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1263#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1264
1265#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1266#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1267
1da177e4
LT
1268/*
1269 * Macros to access the floating point coprocessor control registers
1270 */
b9688310
SH
1271#define read_32bit_cp1_register(source) \
1272({ \
1273 int __res; \
1274 \
1275 __asm__ __volatile__( \
1276 " .set push \n" \
1277 " .set reorder \n" \
1278 " # gas fails to assemble cfc1 for some archs, \n" \
1279 " # like Octeon. \n" \
1280 " .set mips1 \n" \
1281 " cfc1 %0,"STR(source)" \n" \
1282 " .set pop \n" \
1283 : "=r" (__res)); \
1284 __res; \
1285})
1da177e4 1286
32a7ede6 1287#ifdef HAVE_AS_DSP
e50c0a8f
RB
1288#define rddsp(mask) \
1289({ \
32a7ede6 1290 unsigned int __dspctl; \
e50c0a8f
RB
1291 \
1292 __asm__ __volatile__( \
63c2b681
FF
1293 " .set push \n" \
1294 " .set dsp \n" \
32a7ede6 1295 " rddsp %0, %x1 \n" \
63c2b681 1296 " .set pop \n" \
32a7ede6 1297 : "=r" (__dspctl) \
e50c0a8f 1298 : "i" (mask)); \
32a7ede6 1299 __dspctl; \
e50c0a8f
RB
1300})
1301
1302#define wrdsp(val, mask) \
1303do { \
e50c0a8f 1304 __asm__ __volatile__( \
63c2b681
FF
1305 " .set push \n" \
1306 " .set dsp \n" \
32a7ede6 1307 " wrdsp %0, %x1 \n" \
63c2b681 1308 " .set pop \n" \
70342287 1309 : \
e50c0a8f 1310 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1311} while (0)
1312
63c2b681
FF
1313#define mflo0() \
1314({ \
1315 long mflo0; \
1316 __asm__( \
1317 " .set push \n" \
1318 " .set dsp \n" \
1319 " mflo %0, $ac0 \n" \
1320 " .set pop \n" \
1321 : "=r" (mflo0)); \
1322 mflo0; \
1323})
1324
1325#define mflo1() \
1326({ \
1327 long mflo1; \
1328 __asm__( \
1329 " .set push \n" \
1330 " .set dsp \n" \
1331 " mflo %0, $ac1 \n" \
1332 " .set pop \n" \
1333 : "=r" (mflo1)); \
1334 mflo1; \
1335})
1336
1337#define mflo2() \
1338({ \
1339 long mflo2; \
1340 __asm__( \
1341 " .set push \n" \
1342 " .set dsp \n" \
1343 " mflo %0, $ac2 \n" \
1344 " .set pop \n" \
1345 : "=r" (mflo2)); \
1346 mflo2; \
1347})
1348
1349#define mflo3() \
1350({ \
1351 long mflo3; \
1352 __asm__( \
1353 " .set push \n" \
1354 " .set dsp \n" \
1355 " mflo %0, $ac3 \n" \
1356 " .set pop \n" \
1357 : "=r" (mflo3)); \
1358 mflo3; \
1359})
1360
1361#define mfhi0() \
1362({ \
1363 long mfhi0; \
1364 __asm__( \
1365 " .set push \n" \
1366 " .set dsp \n" \
1367 " mfhi %0, $ac0 \n" \
1368 " .set pop \n" \
1369 : "=r" (mfhi0)); \
1370 mfhi0; \
1371})
1372
1373#define mfhi1() \
1374({ \
1375 long mfhi1; \
1376 __asm__( \
1377 " .set push \n" \
1378 " .set dsp \n" \
1379 " mfhi %0, $ac1 \n" \
1380 " .set pop \n" \
1381 : "=r" (mfhi1)); \
1382 mfhi1; \
1383})
1384
1385#define mfhi2() \
1386({ \
1387 long mfhi2; \
1388 __asm__( \
1389 " .set push \n" \
1390 " .set dsp \n" \
1391 " mfhi %0, $ac2 \n" \
1392 " .set pop \n" \
1393 : "=r" (mfhi2)); \
1394 mfhi2; \
1395})
1396
1397#define mfhi3() \
1398({ \
1399 long mfhi3; \
1400 __asm__( \
1401 " .set push \n" \
1402 " .set dsp \n" \
1403 " mfhi %0, $ac3 \n" \
1404 " .set pop \n" \
1405 : "=r" (mfhi3)); \
1406 mfhi3; \
1407})
1408
1409
1410#define mtlo0(x) \
1411({ \
1412 __asm__( \
1413 " .set push \n" \
1414 " .set dsp \n" \
1415 " mtlo %0, $ac0 \n" \
1416 " .set pop \n" \
1417 : \
1418 : "r" (x)); \
1419})
1420
1421#define mtlo1(x) \
1422({ \
1423 __asm__( \
1424 " .set push \n" \
1425 " .set dsp \n" \
1426 " mtlo %0, $ac1 \n" \
1427 " .set pop \n" \
1428 : \
1429 : "r" (x)); \
1430})
1431
1432#define mtlo2(x) \
1433({ \
1434 __asm__( \
1435 " .set push \n" \
1436 " .set dsp \n" \
1437 " mtlo %0, $ac2 \n" \
1438 " .set pop \n" \
1439 : \
1440 : "r" (x)); \
1441})
1442
1443#define mtlo3(x) \
1444({ \
1445 __asm__( \
1446 " .set push \n" \
1447 " .set dsp \n" \
1448 " mtlo %0, $ac3 \n" \
1449 " .set pop \n" \
1450 : \
1451 : "r" (x)); \
1452})
1453
1454#define mthi0(x) \
1455({ \
1456 __asm__( \
1457 " .set push \n" \
1458 " .set dsp \n" \
1459 " mthi %0, $ac0 \n" \
1460 " .set pop \n" \
1461 : \
1462 : "r" (x)); \
1463})
1464
1465#define mthi1(x) \
1466({ \
1467 __asm__( \
1468 " .set push \n" \
1469 " .set dsp \n" \
1470 " mthi %0, $ac1 \n" \
1471 " .set pop \n" \
1472 : \
1473 : "r" (x)); \
1474})
1475
1476#define mthi2(x) \
1477({ \
1478 __asm__( \
1479 " .set push \n" \
1480 " .set dsp \n" \
1481 " mthi %0, $ac2 \n" \
1482 " .set pop \n" \
1483 : \
1484 : "r" (x)); \
1485})
1486
1487#define mthi3(x) \
1488({ \
1489 __asm__( \
1490 " .set push \n" \
1491 " .set dsp \n" \
1492 " mthi %0, $ac3 \n" \
1493 " .set pop \n" \
1494 : \
1495 : "r" (x)); \
1496})
e50c0a8f
RB
1497
1498#else
1499
d0c1b478
SH
1500#ifdef CONFIG_CPU_MICROMIPS
1501#define rddsp(mask) \
e50c0a8f 1502({ \
d0c1b478 1503 unsigned int __res; \
e50c0a8f
RB
1504 \
1505 __asm__ __volatile__( \
e50c0a8f
RB
1506 " .set push \n" \
1507 " .set noat \n" \
d0c1b478
SH
1508 " # rddsp $1, %x1 \n" \
1509 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1510 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1511 " move %0, $1 \n" \
e50c0a8f 1512 " .set pop \n" \
d0c1b478
SH
1513 : "=r" (__res) \
1514 : "i" (mask)); \
1515 __res; \
1516})
e50c0a8f 1517
d0c1b478 1518#define wrdsp(val, mask) \
e50c0a8f
RB
1519do { \
1520 __asm__ __volatile__( \
1521 " .set push \n" \
1522 " .set noat \n" \
1523 " move $1, %0 \n" \
d0c1b478
SH
1524 " # wrdsp $1, %x1 \n" \
1525 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1526 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1527 " .set pop \n" \
1528 : \
d0c1b478 1529 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1530} while (0)
1531
d0c1b478
SH
1532#define _umips_dsp_mfxxx(ins) \
1533({ \
1534 unsigned long __treg; \
1535 \
e50c0a8f
RB
1536 __asm__ __volatile__( \
1537 " .set push \n" \
1538 " .set noat \n" \
d0c1b478
SH
1539 " .hword 0x0001 \n" \
1540 " .hword %x1 \n" \
1541 " move %0, $1 \n" \
e50c0a8f 1542 " .set pop \n" \
d0c1b478
SH
1543 : "=r" (__treg) \
1544 : "i" (ins)); \
1545 __treg; \
1546})
e50c0a8f 1547
d0c1b478 1548#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1549do { \
1550 __asm__ __volatile__( \
1551 " .set push \n" \
1552 " .set noat \n" \
1553 " move $1, %0 \n" \
d0c1b478
SH
1554 " .hword 0x0001 \n" \
1555 " .hword %x1 \n" \
e50c0a8f
RB
1556 " .set pop \n" \
1557 : \
d0c1b478 1558 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1559} while (0)
1560
d0c1b478
SH
1561#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1562#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1563
1564#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1565#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1566
1567#define mflo0() _umips_dsp_mflo(0)
1568#define mflo1() _umips_dsp_mflo(1)
1569#define mflo2() _umips_dsp_mflo(2)
1570#define mflo3() _umips_dsp_mflo(3)
1571
1572#define mfhi0() _umips_dsp_mfhi(0)
1573#define mfhi1() _umips_dsp_mfhi(1)
1574#define mfhi2() _umips_dsp_mfhi(2)
1575#define mfhi3() _umips_dsp_mfhi(3)
1576
1577#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1578#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1579#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1580#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1581
1582#define mthi0(x) _umips_dsp_mthi(x, 0)
1583#define mthi1(x) _umips_dsp_mthi(x, 1)
1584#define mthi2(x) _umips_dsp_mthi(x, 2)
1585#define mthi3(x) _umips_dsp_mthi(x, 3)
1586
1587#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1588#define rddsp(mask) \
1589({ \
1590 unsigned int __res; \
1591 \
e50c0a8f 1592 __asm__ __volatile__( \
32a7ede6
SH
1593 " .set push \n" \
1594 " .set noat \n" \
1595 " # rddsp $1, %x1 \n" \
1596 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1597 " move %0, $1 \n" \
1598 " .set pop \n" \
1599 : "=r" (__res) \
1600 : "i" (mask)); \
1601 __res; \
1602})
e50c0a8f 1603
32a7ede6 1604#define wrdsp(val, mask) \
e50c0a8f
RB
1605do { \
1606 __asm__ __volatile__( \
1607 " .set push \n" \
1608 " .set noat \n" \
1609 " move $1, %0 \n" \
32a7ede6
SH
1610 " # wrdsp $1, %x1 \n" \
1611 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1612 " .set pop \n" \
32a7ede6
SH
1613 : \
1614 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1615} while (0)
1616
4cb764b4 1617#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1618({ \
1619 unsigned long __treg; \
1620 \
e50c0a8f
RB
1621 __asm__ __volatile__( \
1622 " .set push \n" \
1623 " .set noat \n" \
4cb764b4
SH
1624 " .word (0x00000810 | %1) \n" \
1625 " move %0, $1 \n" \
e50c0a8f 1626 " .set pop \n" \
4cb764b4
SH
1627 : "=r" (__treg) \
1628 : "i" (ins)); \
1629 __treg; \
1630})
e50c0a8f 1631
4cb764b4 1632#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1633do { \
1634 __asm__ __volatile__( \
1635 " .set push \n" \
1636 " .set noat \n" \
1637 " move $1, %0 \n" \
4cb764b4 1638 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1639 " .set pop \n" \
1640 : \
4cb764b4 1641 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1642} while (0)
1643
4cb764b4
SH
1644#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1645#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1646
4cb764b4
SH
1647#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1648#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1649
4cb764b4
SH
1650#define mflo0() _dsp_mflo(0)
1651#define mflo1() _dsp_mflo(1)
1652#define mflo2() _dsp_mflo(2)
1653#define mflo3() _dsp_mflo(3)
e50c0a8f 1654
4cb764b4
SH
1655#define mfhi0() _dsp_mfhi(0)
1656#define mfhi1() _dsp_mfhi(1)
1657#define mfhi2() _dsp_mfhi(2)
1658#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1659
4cb764b4
SH
1660#define mtlo0(x) _dsp_mtlo(x, 0)
1661#define mtlo1(x) _dsp_mtlo(x, 1)
1662#define mtlo2(x) _dsp_mtlo(x, 2)
1663#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1664
4cb764b4
SH
1665#define mthi0(x) _dsp_mthi(x, 0)
1666#define mthi1(x) _dsp_mthi(x, 1)
1667#define mthi2(x) _dsp_mthi(x, 2)
1668#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1669
d0c1b478 1670#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1671#endif
1672
1da177e4
LT
1673/*
1674 * TLB operations.
1675 *
1676 * It is responsibility of the caller to take care of any TLB hazards.
1677 */
1678static inline void tlb_probe(void)
1679{
1680 __asm__ __volatile__(
1681 ".set noreorder\n\t"
1682 "tlbp\n\t"
1683 ".set reorder");
1684}
1685
1686static inline void tlb_read(void)
1687{
9267a30d
MSJ
1688#if MIPS34K_MISSED_ITLB_WAR
1689 int res = 0;
1690
1691 __asm__ __volatile__(
1692 " .set push \n"
1693 " .set noreorder \n"
1694 " .set noat \n"
1695 " .set mips32r2 \n"
1696 " .word 0x41610001 # dvpe $1 \n"
1697 " move %0, $1 \n"
1698 " ehb \n"
1699 " .set pop \n"
1700 : "=r" (res));
1701
1702 instruction_hazard();
1703#endif
1704
1da177e4
LT
1705 __asm__ __volatile__(
1706 ".set noreorder\n\t"
1707 "tlbr\n\t"
1708 ".set reorder");
9267a30d
MSJ
1709
1710#if MIPS34K_MISSED_ITLB_WAR
1711 if ((res & _ULCAST_(1)))
1712 __asm__ __volatile__(
1713 " .set push \n"
1714 " .set noreorder \n"
1715 " .set noat \n"
1716 " .set mips32r2 \n"
1717 " .word 0x41600021 # evpe \n"
1718 " ehb \n"
1719 " .set pop \n");
1720#endif
1da177e4
LT
1721}
1722
1723static inline void tlb_write_indexed(void)
1724{
1725 __asm__ __volatile__(
1726 ".set noreorder\n\t"
1727 "tlbwi\n\t"
1728 ".set reorder");
1729}
1730
1731static inline void tlb_write_random(void)
1732{
1733 __asm__ __volatile__(
1734 ".set noreorder\n\t"
1735 "tlbwr\n\t"
1736 ".set reorder");
1737}
1738
1739/*
1740 * Manipulate bits in a c0 register.
1741 */
1742#define __BUILD_SET_C0(name) \
1743static inline unsigned int \
1744set_c0_##name(unsigned int set) \
1745{ \
89e18eb3 1746 unsigned int res, new; \
1da177e4
LT
1747 \
1748 res = read_c0_##name(); \
89e18eb3
RB
1749 new = res | set; \
1750 write_c0_##name(new); \
1da177e4
LT
1751 \
1752 return res; \
1753} \
1754 \
1755static inline unsigned int \
1756clear_c0_##name(unsigned int clear) \
1757{ \
89e18eb3 1758 unsigned int res, new; \
1da177e4
LT
1759 \
1760 res = read_c0_##name(); \
89e18eb3
RB
1761 new = res & ~clear; \
1762 write_c0_##name(new); \
1da177e4
LT
1763 \
1764 return res; \
1765} \
1766 \
1767static inline unsigned int \
89e18eb3 1768change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 1769{ \
89e18eb3 1770 unsigned int res, new; \
1da177e4
LT
1771 \
1772 res = read_c0_##name(); \
89e18eb3
RB
1773 new = res & ~change; \
1774 new |= (val & change); \
1775 write_c0_##name(new); \
1da177e4
LT
1776 \
1777 return res; \
1778}
1779
1780__BUILD_SET_C0(status)
1781__BUILD_SET_C0(cause)
1782__BUILD_SET_C0(config)
7f65afb9 1783__BUILD_SET_C0(config5)
1da177e4 1784__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
1785__BUILD_SET_C0(intctl)
1786__BUILD_SET_C0(srsmap)
020232f1
KC
1787__BUILD_SET_C0(brcm_config_0)
1788__BUILD_SET_C0(brcm_bus_pll)
1789__BUILD_SET_C0(brcm_reset)
1790__BUILD_SET_C0(brcm_cmt_intr)
1791__BUILD_SET_C0(brcm_cmt_ctrl)
1792__BUILD_SET_C0(brcm_config)
1793__BUILD_SET_C0(brcm_mode)
1da177e4 1794
45b585c8
DD
1795/*
1796 * Return low 10 bits of ebase.
1797 * Note that under KVM (MIPSVZ) this returns vcpu id.
1798 */
1799static inline unsigned int get_ebase_cpunum(void)
1800{
1801 return read_c0_ebase() & 0x3ff;
1802}
1803
1da177e4
LT
1804#endif /* !__ASSEMBLY__ */
1805
1806#endif /* _ASM_MIPSREGS_H */