MIPS: Remove now unused definition of phys_t.
[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 */
431#define INTCTLB_IPPCI 26
432#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
433#define INTCTLB_IPTI 29
434#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
435
1da177e4
LT
436/*
437 * Bitfields and bit numbers in the coprocessor 0 cause register.
438 *
439 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
440 */
70342287
RB
441#define CAUSEB_EXCCODE 2
442#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
443#define CAUSEB_IP 8
444#define CAUSEF_IP (_ULCAST_(255) << 8)
445#define CAUSEB_IP0 8
446#define CAUSEF_IP0 (_ULCAST_(1) << 8)
447#define CAUSEB_IP1 9
448#define CAUSEF_IP1 (_ULCAST_(1) << 9)
449#define CAUSEB_IP2 10
450#define CAUSEF_IP2 (_ULCAST_(1) << 10)
451#define CAUSEB_IP3 11
452#define CAUSEF_IP3 (_ULCAST_(1) << 11)
453#define CAUSEB_IP4 12
454#define CAUSEF_IP4 (_ULCAST_(1) << 12)
455#define CAUSEB_IP5 13
456#define CAUSEF_IP5 (_ULCAST_(1) << 13)
457#define CAUSEB_IP6 14
458#define CAUSEF_IP6 (_ULCAST_(1) << 14)
459#define CAUSEB_IP7 15
460#define CAUSEF_IP7 (_ULCAST_(1) << 15)
461#define CAUSEB_IV 23
462#define CAUSEF_IV (_ULCAST_(1) << 23)
463#define CAUSEB_PCI 26
464#define CAUSEF_PCI (_ULCAST_(1) << 26)
465#define CAUSEB_CE 28
466#define CAUSEF_CE (_ULCAST_(3) << 28)
467#define CAUSEB_TI 30
468#define CAUSEF_TI (_ULCAST_(1) << 30)
469#define CAUSEB_BD 31
470#define CAUSEF_BD (_ULCAST_(1) << 31)
1da177e4
LT
471
472/*
473 * Bits in the coprocessor 0 config register.
474 */
475/* Generic bits. */
476#define CONF_CM_CACHABLE_NO_WA 0
477#define CONF_CM_CACHABLE_WA 1
478#define CONF_CM_UNCACHED 2
479#define CONF_CM_CACHABLE_NONCOHERENT 3
480#define CONF_CM_CACHABLE_CE 4
481#define CONF_CM_CACHABLE_COW 5
482#define CONF_CM_CACHABLE_CUW 6
483#define CONF_CM_CACHABLE_ACCELERATED 7
484#define CONF_CM_CMASK 7
485#define CONF_BE (_ULCAST_(1) << 15)
486
487/* Bits common to various processors. */
70342287
RB
488#define CONF_CU (_ULCAST_(1) << 3)
489#define CONF_DB (_ULCAST_(1) << 4)
490#define CONF_IB (_ULCAST_(1) << 5)
491#define CONF_DC (_ULCAST_(7) << 6)
492#define CONF_IC (_ULCAST_(7) << 9)
1da177e4
LT
493#define CONF_EB (_ULCAST_(1) << 13)
494#define CONF_EM (_ULCAST_(1) << 14)
495#define CONF_SM (_ULCAST_(1) << 16)
496#define CONF_SC (_ULCAST_(1) << 17)
497#define CONF_EW (_ULCAST_(3) << 18)
498#define CONF_EP (_ULCAST_(15)<< 24)
499#define CONF_EC (_ULCAST_(7) << 28)
500#define CONF_CM (_ULCAST_(1) << 31)
501
70342287 502/* Bits specific to the R4xx0. */
1da177e4
LT
503#define R4K_CONF_SW (_ULCAST_(1) << 20)
504#define R4K_CONF_SS (_ULCAST_(1) << 21)
e20368d5 505#define R4K_CONF_SB (_ULCAST_(3) << 22)
1da177e4 506
70342287 507/* Bits specific to the R5000. */
1da177e4
LT
508#define R5K_CONF_SE (_ULCAST_(1) << 12)
509#define R5K_CONF_SS (_ULCAST_(3) << 20)
510
70342287
RB
511/* Bits specific to the RM7000. */
512#define RM7K_CONF_SE (_ULCAST_(1) << 3)
c6ad7b7d
MR
513#define RM7K_CONF_TE (_ULCAST_(1) << 12)
514#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
515#define RM7K_CONF_TC (_ULCAST_(1) << 17)
516#define RM7K_CONF_SI (_ULCAST_(3) << 20)
517#define RM7K_CONF_SC (_ULCAST_(1) << 31)
ba5187db 518
70342287
RB
519/* Bits specific to the R10000. */
520#define R10K_CONF_DN (_ULCAST_(3) << 3)
521#define R10K_CONF_CT (_ULCAST_(1) << 5)
522#define R10K_CONF_PE (_ULCAST_(1) << 6)
523#define R10K_CONF_PM (_ULCAST_(3) << 7)
524#define R10K_CONF_EC (_ULCAST_(15)<< 9)
1da177e4
LT
525#define R10K_CONF_SB (_ULCAST_(1) << 13)
526#define R10K_CONF_SK (_ULCAST_(1) << 14)
527#define R10K_CONF_SS (_ULCAST_(7) << 16)
528#define R10K_CONF_SC (_ULCAST_(7) << 19)
529#define R10K_CONF_DC (_ULCAST_(7) << 26)
530#define R10K_CONF_IC (_ULCAST_(7) << 29)
531
70342287 532/* Bits specific to the VR41xx. */
1da177e4 533#define VR41_CONF_CS (_ULCAST_(1) << 12)
2874fe55 534#define VR41_CONF_P4K (_ULCAST_(1) << 13)
4e8ab361 535#define VR41_CONF_BP (_ULCAST_(1) << 16)
1da177e4
LT
536#define VR41_CONF_M16 (_ULCAST_(1) << 20)
537#define VR41_CONF_AD (_ULCAST_(1) << 23)
538
70342287 539/* Bits specific to the R30xx. */
1da177e4
LT
540#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
541#define R30XX_CONF_REV (_ULCAST_(1) << 22)
542#define R30XX_CONF_AC (_ULCAST_(1) << 23)
543#define R30XX_CONF_RF (_ULCAST_(1) << 24)
544#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
545#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
546#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
547#define R30XX_CONF_SB (_ULCAST_(1) << 30)
548#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
549
550/* Bits specific to the TX49. */
551#define TX49_CONF_DC (_ULCAST_(1) << 16)
552#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
553#define TX49_CONF_HALT (_ULCAST_(1) << 18)
554#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
555
70342287
RB
556/* Bits specific to the MIPS32/64 PRA. */
557#define MIPS_CONF_MT (_ULCAST_(7) << 7)
1da177e4
LT
558#define MIPS_CONF_AR (_ULCAST_(7) << 10)
559#define MIPS_CONF_AT (_ULCAST_(3) << 13)
560#define MIPS_CONF_M (_ULCAST_(1) << 31)
561
4194318c
RB
562/*
563 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
564 */
70342287
RB
565#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
566#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
567#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
568#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
569#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
570#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
571#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
572#define MIPS_CONF1_DA_SHF 7
573#define MIPS_CONF1_DA_SZ 3
70342287 574#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
575#define MIPS_CONF1_DL_SHF 10
576#define MIPS_CONF1_DL_SZ 3
4194318c 577#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
578#define MIPS_CONF1_DS_SHF 13
579#define MIPS_CONF1_DS_SZ 3
4194318c 580#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
581#define MIPS_CONF1_IA_SHF 16
582#define MIPS_CONF1_IA_SZ 3
4194318c 583#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
584#define MIPS_CONF1_IL_SHF 19
585#define MIPS_CONF1_IL_SZ 3
4194318c 586#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
587#define MIPS_CONF1_IS_SHF 22
588#define MIPS_CONF1_IS_SZ 3
4194318c 589#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
590#define MIPS_CONF1_TLBS_SHIFT (25)
591#define MIPS_CONF1_TLBS_SIZE (6)
592#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 593
70342287
RB
594#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
595#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
596#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
597#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
598#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
599#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
600#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
601#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
602
70342287
RB
603#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
604#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
605#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 606#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
607#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
608#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
609#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
610#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
611#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
612#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 613#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 614#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 615#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 616#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 617#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 618#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
619#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
620#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
621#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 622#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
623#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
624#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
625#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
626#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
627#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
628#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
629#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
630
631#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 632#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba 633#define MIPS_CONF4_FTLBSETS_SHIFT (0)
691038ba
LY
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)
e19d5dba 655#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
5ff04a84
PB
656#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
657#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
658#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
659#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
660#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
661#define MIPS_CONF5_K (_ULCAST_(1) << 30)
662
006a851b 663#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
664/* proAptiv FTLB on/off bit */
665#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
006a851b 666
4b3e975e
RB
667#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
668
9267a30d
MSJ
669#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
670
02dc6bfb
MC
671#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
672#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
673
e19d5dba
PB
674/* MAAR bit definitions */
675#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
676#define MIPS_MAAR_ADDR_SHIFT 12
677#define MIPS_MAAR_S (_ULCAST_(1) << 1)
678#define MIPS_MAAR_V (_ULCAST_(1) << 0)
679
691038ba
LY
680/* EntryHI bit definition */
681#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
9267a30d 682
4dd8ee5d
PB
683/* CMGCRBase bit definitions */
684#define MIPS_CMGCRB_BASE 11
685#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
686
4194318c
RB
687/*
688 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
689 */
690#define MIPS_FPIR_S (_ULCAST_(1) << 16)
691#define MIPS_FPIR_D (_ULCAST_(1) << 17)
692#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
693#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
694#define MIPS_FPIR_W (_ULCAST_(1) << 20)
695#define MIPS_FPIR_L (_ULCAST_(1) << 21)
696#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
5ff04a84 697#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
4194318c 698
4a0156fb
SH
699/*
700 * Bits in the MIPS32 Memory Segmentation registers.
701 */
702#define MIPS_SEGCFG_PA_SHIFT 9
703#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
704#define MIPS_SEGCFG_AM_SHIFT 4
705#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
706#define MIPS_SEGCFG_EU_SHIFT 3
707#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
708#define MIPS_SEGCFG_C_SHIFT 0
709#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
710
711#define MIPS_SEGCFG_UUSK _ULCAST_(7)
712#define MIPS_SEGCFG_USK _ULCAST_(5)
713#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
714#define MIPS_SEGCFG_MUSK _ULCAST_(3)
715#define MIPS_SEGCFG_MSK _ULCAST_(2)
716#define MIPS_SEGCFG_MK _ULCAST_(1)
717#define MIPS_SEGCFG_UK _ULCAST_(0)
718
87d08bc9
MC
719#define MIPS_PWFIELD_GDI_SHIFT 24
720#define MIPS_PWFIELD_GDI_MASK 0x3f000000
721#define MIPS_PWFIELD_UDI_SHIFT 18
722#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
723#define MIPS_PWFIELD_MDI_SHIFT 12
724#define MIPS_PWFIELD_MDI_MASK 0x0003f000
725#define MIPS_PWFIELD_PTI_SHIFT 6
726#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
727#define MIPS_PWFIELD_PTEI_SHIFT 0
728#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
729
730#define MIPS_PWSIZE_GDW_SHIFT 24
731#define MIPS_PWSIZE_GDW_MASK 0x3f000000
732#define MIPS_PWSIZE_UDW_SHIFT 18
733#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
734#define MIPS_PWSIZE_MDW_SHIFT 12
735#define MIPS_PWSIZE_MDW_MASK 0x0003f000
736#define MIPS_PWSIZE_PTW_SHIFT 6
737#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
738#define MIPS_PWSIZE_PTEW_SHIFT 0
739#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
740
741#define MIPS_PWCTL_PWEN_SHIFT 31
742#define MIPS_PWCTL_PWEN_MASK 0x80000000
743#define MIPS_PWCTL_DPH_SHIFT 7
744#define MIPS_PWCTL_DPH_MASK 0x00000080
745#define MIPS_PWCTL_HUGEPG_SHIFT 6
746#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
747#define MIPS_PWCTL_PSN_SHIFT 0
748#define MIPS_PWCTL_PSN_MASK 0x0000003f
749
1da177e4
LT
750#ifndef __ASSEMBLY__
751
bfd08baa 752/*
377cb1b6 753 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 754 */
377cb1b6
RB
755#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
756 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
757#define get_isa16_mode(x) ((x) & 0x1)
758#define msk_isa16_mode(x) ((x) & ~0x1)
759#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
760#else
761#define get_isa16_mode(x) 0
762#define msk_isa16_mode(x) (x)
763#define set_isa16_mode(x) do { } while(0)
764#endif
bfd08baa
SH
765
766/*
767 * microMIPS instructions can be 16-bit or 32-bit in length. This
768 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
769 */
770static inline int mm_insn_16bit(u16 insn)
771{
772 u16 opcode = (insn >> 10) & 0x7;
773
774 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
775}
776
198bb4ce
LY
777/*
778 * TLB Invalidate Flush
779 */
780static inline void tlbinvf(void)
781{
782 __asm__ __volatile__(
783 ".set push\n\t"
784 ".set noreorder\n\t"
785 ".word 0x42000004\n\t" /* tlbinvf */
786 ".set pop");
787}
788
789
1da177e4 790/*
70342287 791 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
792 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
793 * performance counter number encoded into bits 1 ... 5 of the instruction.
794 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
795 * disassembler these will look like an access to sel 0 or 1.
796 */
797#define read_r10k_perf_cntr(counter) \
798({ \
799 unsigned int __res; \
800 __asm__ __volatile__( \
801 "mfpc\t%0, %1" \
70342287 802 : "=r" (__res) \
1da177e4
LT
803 : "i" (counter)); \
804 \
70342287 805 __res; \
1da177e4
LT
806})
807
70342287 808#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
809do { \
810 __asm__ __volatile__( \
811 "mtpc\t%0, %1" \
812 : \
813 : "r" (val), "i" (counter)); \
814} while (0)
815
816#define read_r10k_perf_event(counter) \
817({ \
818 unsigned int __res; \
819 __asm__ __volatile__( \
820 "mfps\t%0, %1" \
70342287 821 : "=r" (__res) \
1da177e4
LT
822 : "i" (counter)); \
823 \
70342287 824 __res; \
1da177e4
LT
825})
826
70342287 827#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
828do { \
829 __asm__ __volatile__( \
830 "mtps\t%0, %1" \
831 : \
832 : "r" (val), "i" (counter)); \
833} while (0)
834
835
836/*
837 * Macros to access the system control coprocessor
838 */
839
840#define __read_32bit_c0_register(source, sel) \
841({ int __res; \
842 if (sel == 0) \
843 __asm__ __volatile__( \
844 "mfc0\t%0, " #source "\n\t" \
845 : "=r" (__res)); \
846 else \
847 __asm__ __volatile__( \
848 ".set\tmips32\n\t" \
849 "mfc0\t%0, " #source ", " #sel "\n\t" \
850 ".set\tmips0\n\t" \
851 : "=r" (__res)); \
852 __res; \
853})
854
855#define __read_64bit_c0_register(source, sel) \
856({ unsigned long long __res; \
857 if (sizeof(unsigned long) == 4) \
858 __res = __read_64bit_c0_split(source, sel); \
859 else if (sel == 0) \
860 __asm__ __volatile__( \
861 ".set\tmips3\n\t" \
862 "dmfc0\t%0, " #source "\n\t" \
863 ".set\tmips0" \
864 : "=r" (__res)); \
865 else \
866 __asm__ __volatile__( \
867 ".set\tmips64\n\t" \
868 "dmfc0\t%0, " #source ", " #sel "\n\t" \
869 ".set\tmips0" \
870 : "=r" (__res)); \
871 __res; \
872})
873
874#define __write_32bit_c0_register(register, sel, value) \
875do { \
876 if (sel == 0) \
877 __asm__ __volatile__( \
878 "mtc0\t%z0, " #register "\n\t" \
0952e290 879 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
880 else \
881 __asm__ __volatile__( \
882 ".set\tmips32\n\t" \
883 "mtc0\t%z0, " #register ", " #sel "\n\t" \
884 ".set\tmips0" \
0952e290 885 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
886} while (0)
887
888#define __write_64bit_c0_register(register, sel, value) \
889do { \
890 if (sizeof(unsigned long) == 4) \
891 __write_64bit_c0_split(register, sel, value); \
892 else if (sel == 0) \
893 __asm__ __volatile__( \
894 ".set\tmips3\n\t" \
895 "dmtc0\t%z0, " #register "\n\t" \
896 ".set\tmips0" \
897 : : "Jr" (value)); \
898 else \
899 __asm__ __volatile__( \
900 ".set\tmips64\n\t" \
901 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
902 ".set\tmips0" \
903 : : "Jr" (value)); \
904} while (0)
905
906#define __read_ulong_c0_register(reg, sel) \
907 ((sizeof(unsigned long) == 4) ? \
908 (unsigned long) __read_32bit_c0_register(reg, sel) : \
909 (unsigned long) __read_64bit_c0_register(reg, sel))
910
911#define __write_ulong_c0_register(reg, sel, val) \
912do { \
913 if (sizeof(unsigned long) == 4) \
914 __write_32bit_c0_register(reg, sel, val); \
915 else \
916 __write_64bit_c0_register(reg, sel, val); \
917} while (0)
918
919/*
920 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
921 */
922#define __read_32bit_c0_ctrl_register(source) \
923({ int __res; \
924 __asm__ __volatile__( \
925 "cfc0\t%0, " #source "\n\t" \
926 : "=r" (__res)); \
927 __res; \
928})
929
930#define __write_32bit_c0_ctrl_register(register, value) \
931do { \
932 __asm__ __volatile__( \
933 "ctc0\t%z0, " #register "\n\t" \
0952e290 934 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
935} while (0)
936
937/*
938 * These versions are only needed for systems with more than 38 bits of
939 * physical address space running the 32-bit kernel. That's none atm :-)
940 */
941#define __read_64bit_c0_split(source, sel) \
942({ \
87d43dd4
AN
943 unsigned long long __val; \
944 unsigned long __flags; \
1da177e4 945 \
87d43dd4 946 local_irq_save(__flags); \
1da177e4
LT
947 if (sel == 0) \
948 __asm__ __volatile__( \
949 ".set\tmips64\n\t" \
950 "dmfc0\t%M0, " #source "\n\t" \
951 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
952 "dsra\t%M0, %M0, 32\n\t" \
953 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 954 ".set\tmips0" \
87d43dd4 955 : "=r" (__val)); \
1da177e4
LT
956 else \
957 __asm__ __volatile__( \
958 ".set\tmips64\n\t" \
959 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
960 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
961 "dsra\t%M0, %M0, 32\n\t" \
962 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 963 ".set\tmips0" \
87d43dd4
AN
964 : "=r" (__val)); \
965 local_irq_restore(__flags); \
1da177e4 966 \
87d43dd4 967 __val; \
1da177e4
LT
968})
969
970#define __write_64bit_c0_split(source, sel, val) \
971do { \
87d43dd4 972 unsigned long __flags; \
1da177e4 973 \
87d43dd4 974 local_irq_save(__flags); \
1da177e4
LT
975 if (sel == 0) \
976 __asm__ __volatile__( \
977 ".set\tmips64\n\t" \
978 "dsll\t%L0, %L0, 32\n\t" \
979 "dsrl\t%L0, %L0, 32\n\t" \
980 "dsll\t%M0, %M0, 32\n\t" \
981 "or\t%L0, %L0, %M0\n\t" \
982 "dmtc0\t%L0, " #source "\n\t" \
983 ".set\tmips0" \
984 : : "r" (val)); \
985 else \
986 __asm__ __volatile__( \
987 ".set\tmips64\n\t" \
988 "dsll\t%L0, %L0, 32\n\t" \
989 "dsrl\t%L0, %L0, 32\n\t" \
990 "dsll\t%M0, %M0, 32\n\t" \
991 "or\t%L0, %L0, %M0\n\t" \
992 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
993 ".set\tmips0" \
994 : : "r" (val)); \
87d43dd4 995 local_irq_restore(__flags); \
1da177e4
LT
996} while (0)
997
998#define read_c0_index() __read_32bit_c0_register($0, 0)
999#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1000
272bace7
RB
1001#define read_c0_random() __read_32bit_c0_register($1, 0)
1002#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1003
1da177e4
LT
1004#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1005#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1006
1007#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1008#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1009
1010#define read_c0_conf() __read_32bit_c0_register($3, 0)
1011#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1012
1013#define read_c0_context() __read_ulong_c0_register($4, 0)
1014#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1015
a3692020 1016#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1017#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1018
1da177e4
LT
1019#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1020#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1021
9fe2e9d6 1022#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1023#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1024
1da177e4
LT
1025#define read_c0_wired() __read_32bit_c0_register($6, 0)
1026#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1027
1028#define read_c0_info() __read_32bit_c0_register($7, 0)
1029
70342287 1030#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1031#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1032
15c4f67a
RB
1033#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1034#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1035
1da177e4
LT
1036#define read_c0_count() __read_32bit_c0_register($9, 0)
1037#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1038
bdf21b18
PP
1039#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1040#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1041
1042#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1043#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1044
1da177e4
LT
1045#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1046#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1047
1048#define read_c0_compare() __read_32bit_c0_register($11, 0)
1049#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1050
bdf21b18
PP
1051#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1052#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1053
1054#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1055#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1056
1da177e4 1057#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1058
1da177e4
LT
1059#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1060
1061#define read_c0_cause() __read_32bit_c0_register($13, 0)
1062#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1063
1064#define read_c0_epc() __read_ulong_c0_register($14, 0)
1065#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1066
1067#define read_c0_prid() __read_32bit_c0_register($15, 0)
1068
4dd8ee5d
PB
1069#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1070
1da177e4
LT
1071#define read_c0_config() __read_32bit_c0_register($16, 0)
1072#define read_c0_config1() __read_32bit_c0_register($16, 1)
1073#define read_c0_config2() __read_32bit_c0_register($16, 2)
1074#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1075#define read_c0_config4() __read_32bit_c0_register($16, 4)
1076#define read_c0_config5() __read_32bit_c0_register($16, 5)
1077#define read_c0_config6() __read_32bit_c0_register($16, 6)
1078#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1079#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1080#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1081#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1082#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1083#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1084#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1085#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1086#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1087
e19d5dba
PB
1088#define read_c0_maar() __read_ulong_c0_register($17, 1)
1089#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1090#define read_c0_maari() __read_32bit_c0_register($17, 2)
1091#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1092
1da177e4 1093/*
25985edc 1094 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1095 */
1096#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1097#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1098#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1099#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1100#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1101#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1102#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1103#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1104#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1105#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1106#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1107#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1108#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1109#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1110#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1111#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1112
1113/*
25985edc 1114 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1115 */
1116#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1117#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1118#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1119#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1120#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1121#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1122#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1123#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1124
1125#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1126#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1127#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1128#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1129#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1130#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1131#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1132#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1133
1134#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1135#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1136
1137#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1138#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1139
1140#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1141#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1142
1da177e4
LT
1143#define read_c0_diag() __read_32bit_c0_register($22, 0)
1144#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1145
1146#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1147#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1148
1149#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1150#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1151
1152#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1153#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1154
1155#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1156#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1157
1158#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1159#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1160
1161#define read_c0_debug() __read_32bit_c0_register($23, 0)
1162#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1163
1164#define read_c0_depc() __read_ulong_c0_register($24, 0)
1165#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1166
1167/*
1168 * MIPS32 / MIPS64 performance counters
1169 */
1170#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1171#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1172#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1173#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1174#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1175#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1176#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1177#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1178#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1179#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1180#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1181#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1182#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1183#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1184#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1185#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1186#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1187#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1188#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1189#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1190#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1191#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1192#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1193#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1194
1da177e4
LT
1195#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1196#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1197
1198#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1199#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1200
1201#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1202
1203#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1204#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1205
1206#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1207#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1208
41c594ab
RB
1209#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1210#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1211
af231172
KC
1212#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1213#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1214
1215#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1216#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1217
1da177e4
LT
1218#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1219#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1220
1221#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1222#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1223
7a0fc58c 1224/* MIPSR2 */
21a151d8 1225#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1226#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1227
1228#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1229#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1230
1231#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1232#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1233
1234#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1235#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1236
21a151d8 1237#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1238#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1239
4a0156fb
SH
1240/* MIPSR3 */
1241#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1242#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1243
1244#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1245#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1246
1247#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1248#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1249
87d08bc9
MC
1250/* Hardware Page Table Walker */
1251#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1252#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1253
1254#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1255#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1256
1257#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1258#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1259
1260#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1261#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1262
ed918c2d
DD
1263/* Cavium OCTEON (cnMIPS) */
1264#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1265#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1266
1267#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1268#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1269
1270#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1271#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1272/*
70342287 1273 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1274 * 64 bits wide.
1275 */
1276#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1277#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1278
1279#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1280#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1281
af231172
KC
1282/* BMIPS3300 */
1283#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1284#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1285
1286#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1287#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1288
1289#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1290#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1291
020232f1 1292/* BMIPS43xx */
af231172
KC
1293#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1294#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1295
1296#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1297#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1298
1299#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1300#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1301
1302#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1303#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1304
1305#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1306#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1307
1308/* BMIPS5000 */
1309#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1310#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1311
1312#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1313#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1314
1315#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1316#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1317
1318#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1319#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1320
1321#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1322#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1323
1324#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1325#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1326
1da177e4
LT
1327/*
1328 * Macros to access the floating point coprocessor control registers
1329 */
842dfc11 1330#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310
SH
1331({ \
1332 int __res; \
1333 \
1334 __asm__ __volatile__( \
1335 " .set push \n" \
1336 " .set reorder \n" \
1337 " # gas fails to assemble cfc1 for some archs, \n" \
1338 " # like Octeon. \n" \
1339 " .set mips1 \n" \
842dfc11 1340 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1341 " cfc1 %0,"STR(source)" \n" \
1342 " .set pop \n" \
1343 : "=r" (__res)); \
1344 __res; \
1345})
1da177e4 1346
842dfc11
ML
1347#ifdef GAS_HAS_SET_HARDFLOAT
1348#define read_32bit_cp1_register(source) \
1349 _read_32bit_cp1_register(source, .set hardfloat)
1350#else
1351#define read_32bit_cp1_register(source) \
1352 _read_32bit_cp1_register(source, )
1353#endif
1354
32a7ede6 1355#ifdef HAVE_AS_DSP
e50c0a8f
RB
1356#define rddsp(mask) \
1357({ \
32a7ede6 1358 unsigned int __dspctl; \
e50c0a8f
RB
1359 \
1360 __asm__ __volatile__( \
63c2b681
FF
1361 " .set push \n" \
1362 " .set dsp \n" \
32a7ede6 1363 " rddsp %0, %x1 \n" \
63c2b681 1364 " .set pop \n" \
32a7ede6 1365 : "=r" (__dspctl) \
e50c0a8f 1366 : "i" (mask)); \
32a7ede6 1367 __dspctl; \
e50c0a8f
RB
1368})
1369
1370#define wrdsp(val, mask) \
1371do { \
e50c0a8f 1372 __asm__ __volatile__( \
63c2b681
FF
1373 " .set push \n" \
1374 " .set dsp \n" \
32a7ede6 1375 " wrdsp %0, %x1 \n" \
63c2b681 1376 " .set pop \n" \
70342287 1377 : \
e50c0a8f 1378 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1379} while (0)
1380
63c2b681
FF
1381#define mflo0() \
1382({ \
1383 long mflo0; \
1384 __asm__( \
1385 " .set push \n" \
1386 " .set dsp \n" \
1387 " mflo %0, $ac0 \n" \
1388 " .set pop \n" \
1389 : "=r" (mflo0)); \
1390 mflo0; \
1391})
1392
1393#define mflo1() \
1394({ \
1395 long mflo1; \
1396 __asm__( \
1397 " .set push \n" \
1398 " .set dsp \n" \
1399 " mflo %0, $ac1 \n" \
1400 " .set pop \n" \
1401 : "=r" (mflo1)); \
1402 mflo1; \
1403})
1404
1405#define mflo2() \
1406({ \
1407 long mflo2; \
1408 __asm__( \
1409 " .set push \n" \
1410 " .set dsp \n" \
1411 " mflo %0, $ac2 \n" \
1412 " .set pop \n" \
1413 : "=r" (mflo2)); \
1414 mflo2; \
1415})
1416
1417#define mflo3() \
1418({ \
1419 long mflo3; \
1420 __asm__( \
1421 " .set push \n" \
1422 " .set dsp \n" \
1423 " mflo %0, $ac3 \n" \
1424 " .set pop \n" \
1425 : "=r" (mflo3)); \
1426 mflo3; \
1427})
1428
1429#define mfhi0() \
1430({ \
1431 long mfhi0; \
1432 __asm__( \
1433 " .set push \n" \
1434 " .set dsp \n" \
1435 " mfhi %0, $ac0 \n" \
1436 " .set pop \n" \
1437 : "=r" (mfhi0)); \
1438 mfhi0; \
1439})
1440
1441#define mfhi1() \
1442({ \
1443 long mfhi1; \
1444 __asm__( \
1445 " .set push \n" \
1446 " .set dsp \n" \
1447 " mfhi %0, $ac1 \n" \
1448 " .set pop \n" \
1449 : "=r" (mfhi1)); \
1450 mfhi1; \
1451})
1452
1453#define mfhi2() \
1454({ \
1455 long mfhi2; \
1456 __asm__( \
1457 " .set push \n" \
1458 " .set dsp \n" \
1459 " mfhi %0, $ac2 \n" \
1460 " .set pop \n" \
1461 : "=r" (mfhi2)); \
1462 mfhi2; \
1463})
1464
1465#define mfhi3() \
1466({ \
1467 long mfhi3; \
1468 __asm__( \
1469 " .set push \n" \
1470 " .set dsp \n" \
1471 " mfhi %0, $ac3 \n" \
1472 " .set pop \n" \
1473 : "=r" (mfhi3)); \
1474 mfhi3; \
1475})
1476
1477
1478#define mtlo0(x) \
1479({ \
1480 __asm__( \
1481 " .set push \n" \
1482 " .set dsp \n" \
1483 " mtlo %0, $ac0 \n" \
1484 " .set pop \n" \
1485 : \
1486 : "r" (x)); \
1487})
1488
1489#define mtlo1(x) \
1490({ \
1491 __asm__( \
1492 " .set push \n" \
1493 " .set dsp \n" \
1494 " mtlo %0, $ac1 \n" \
1495 " .set pop \n" \
1496 : \
1497 : "r" (x)); \
1498})
1499
1500#define mtlo2(x) \
1501({ \
1502 __asm__( \
1503 " .set push \n" \
1504 " .set dsp \n" \
1505 " mtlo %0, $ac2 \n" \
1506 " .set pop \n" \
1507 : \
1508 : "r" (x)); \
1509})
1510
1511#define mtlo3(x) \
1512({ \
1513 __asm__( \
1514 " .set push \n" \
1515 " .set dsp \n" \
1516 " mtlo %0, $ac3 \n" \
1517 " .set pop \n" \
1518 : \
1519 : "r" (x)); \
1520})
1521
1522#define mthi0(x) \
1523({ \
1524 __asm__( \
1525 " .set push \n" \
1526 " .set dsp \n" \
1527 " mthi %0, $ac0 \n" \
1528 " .set pop \n" \
1529 : \
1530 : "r" (x)); \
1531})
1532
1533#define mthi1(x) \
1534({ \
1535 __asm__( \
1536 " .set push \n" \
1537 " .set dsp \n" \
1538 " mthi %0, $ac1 \n" \
1539 " .set pop \n" \
1540 : \
1541 : "r" (x)); \
1542})
1543
1544#define mthi2(x) \
1545({ \
1546 __asm__( \
1547 " .set push \n" \
1548 " .set dsp \n" \
1549 " mthi %0, $ac2 \n" \
1550 " .set pop \n" \
1551 : \
1552 : "r" (x)); \
1553})
1554
1555#define mthi3(x) \
1556({ \
1557 __asm__( \
1558 " .set push \n" \
1559 " .set dsp \n" \
1560 " mthi %0, $ac3 \n" \
1561 " .set pop \n" \
1562 : \
1563 : "r" (x)); \
1564})
e50c0a8f
RB
1565
1566#else
1567
d0c1b478
SH
1568#ifdef CONFIG_CPU_MICROMIPS
1569#define rddsp(mask) \
e50c0a8f 1570({ \
d0c1b478 1571 unsigned int __res; \
e50c0a8f
RB
1572 \
1573 __asm__ __volatile__( \
e50c0a8f
RB
1574 " .set push \n" \
1575 " .set noat \n" \
d0c1b478
SH
1576 " # rddsp $1, %x1 \n" \
1577 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1578 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1579 " move %0, $1 \n" \
e50c0a8f 1580 " .set pop \n" \
d0c1b478
SH
1581 : "=r" (__res) \
1582 : "i" (mask)); \
1583 __res; \
1584})
e50c0a8f 1585
d0c1b478 1586#define wrdsp(val, mask) \
e50c0a8f
RB
1587do { \
1588 __asm__ __volatile__( \
1589 " .set push \n" \
1590 " .set noat \n" \
1591 " move $1, %0 \n" \
d0c1b478
SH
1592 " # wrdsp $1, %x1 \n" \
1593 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1594 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1595 " .set pop \n" \
1596 : \
d0c1b478 1597 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1598} while (0)
1599
d0c1b478
SH
1600#define _umips_dsp_mfxxx(ins) \
1601({ \
1602 unsigned long __treg; \
1603 \
e50c0a8f
RB
1604 __asm__ __volatile__( \
1605 " .set push \n" \
1606 " .set noat \n" \
d0c1b478
SH
1607 " .hword 0x0001 \n" \
1608 " .hword %x1 \n" \
1609 " move %0, $1 \n" \
e50c0a8f 1610 " .set pop \n" \
d0c1b478
SH
1611 : "=r" (__treg) \
1612 : "i" (ins)); \
1613 __treg; \
1614})
e50c0a8f 1615
d0c1b478 1616#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1617do { \
1618 __asm__ __volatile__( \
1619 " .set push \n" \
1620 " .set noat \n" \
1621 " move $1, %0 \n" \
d0c1b478
SH
1622 " .hword 0x0001 \n" \
1623 " .hword %x1 \n" \
e50c0a8f
RB
1624 " .set pop \n" \
1625 : \
d0c1b478 1626 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1627} while (0)
1628
d0c1b478
SH
1629#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1630#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1631
1632#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1633#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1634
1635#define mflo0() _umips_dsp_mflo(0)
1636#define mflo1() _umips_dsp_mflo(1)
1637#define mflo2() _umips_dsp_mflo(2)
1638#define mflo3() _umips_dsp_mflo(3)
1639
1640#define mfhi0() _umips_dsp_mfhi(0)
1641#define mfhi1() _umips_dsp_mfhi(1)
1642#define mfhi2() _umips_dsp_mfhi(2)
1643#define mfhi3() _umips_dsp_mfhi(3)
1644
1645#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1646#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1647#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1648#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1649
1650#define mthi0(x) _umips_dsp_mthi(x, 0)
1651#define mthi1(x) _umips_dsp_mthi(x, 1)
1652#define mthi2(x) _umips_dsp_mthi(x, 2)
1653#define mthi3(x) _umips_dsp_mthi(x, 3)
1654
1655#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1656#define rddsp(mask) \
1657({ \
1658 unsigned int __res; \
1659 \
e50c0a8f 1660 __asm__ __volatile__( \
32a7ede6
SH
1661 " .set push \n" \
1662 " .set noat \n" \
1663 " # rddsp $1, %x1 \n" \
1664 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1665 " move %0, $1 \n" \
1666 " .set pop \n" \
1667 : "=r" (__res) \
1668 : "i" (mask)); \
1669 __res; \
1670})
e50c0a8f 1671
32a7ede6 1672#define wrdsp(val, mask) \
e50c0a8f
RB
1673do { \
1674 __asm__ __volatile__( \
1675 " .set push \n" \
1676 " .set noat \n" \
1677 " move $1, %0 \n" \
32a7ede6
SH
1678 " # wrdsp $1, %x1 \n" \
1679 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1680 " .set pop \n" \
32a7ede6
SH
1681 : \
1682 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1683} while (0)
1684
4cb764b4 1685#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1686({ \
1687 unsigned long __treg; \
1688 \
e50c0a8f
RB
1689 __asm__ __volatile__( \
1690 " .set push \n" \
1691 " .set noat \n" \
4cb764b4
SH
1692 " .word (0x00000810 | %1) \n" \
1693 " move %0, $1 \n" \
e50c0a8f 1694 " .set pop \n" \
4cb764b4
SH
1695 : "=r" (__treg) \
1696 : "i" (ins)); \
1697 __treg; \
1698})
e50c0a8f 1699
4cb764b4 1700#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1701do { \
1702 __asm__ __volatile__( \
1703 " .set push \n" \
1704 " .set noat \n" \
1705 " move $1, %0 \n" \
4cb764b4 1706 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1707 " .set pop \n" \
1708 : \
4cb764b4 1709 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1710} while (0)
1711
4cb764b4
SH
1712#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1713#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1714
4cb764b4
SH
1715#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1716#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1717
4cb764b4
SH
1718#define mflo0() _dsp_mflo(0)
1719#define mflo1() _dsp_mflo(1)
1720#define mflo2() _dsp_mflo(2)
1721#define mflo3() _dsp_mflo(3)
e50c0a8f 1722
4cb764b4
SH
1723#define mfhi0() _dsp_mfhi(0)
1724#define mfhi1() _dsp_mfhi(1)
1725#define mfhi2() _dsp_mfhi(2)
1726#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1727
4cb764b4
SH
1728#define mtlo0(x) _dsp_mtlo(x, 0)
1729#define mtlo1(x) _dsp_mtlo(x, 1)
1730#define mtlo2(x) _dsp_mtlo(x, 2)
1731#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1732
4cb764b4
SH
1733#define mthi0(x) _dsp_mthi(x, 0)
1734#define mthi1(x) _dsp_mthi(x, 1)
1735#define mthi2(x) _dsp_mthi(x, 2)
1736#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1737
d0c1b478 1738#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1739#endif
1740
1da177e4
LT
1741/*
1742 * TLB operations.
1743 *
1744 * It is responsibility of the caller to take care of any TLB hazards.
1745 */
1746static inline void tlb_probe(void)
1747{
1748 __asm__ __volatile__(
1749 ".set noreorder\n\t"
1750 "tlbp\n\t"
1751 ".set reorder");
1752}
1753
1754static inline void tlb_read(void)
1755{
9267a30d
MSJ
1756#if MIPS34K_MISSED_ITLB_WAR
1757 int res = 0;
1758
1759 __asm__ __volatile__(
1760 " .set push \n"
1761 " .set noreorder \n"
1762 " .set noat \n"
1763 " .set mips32r2 \n"
1764 " .word 0x41610001 # dvpe $1 \n"
1765 " move %0, $1 \n"
1766 " ehb \n"
1767 " .set pop \n"
1768 : "=r" (res));
1769
1770 instruction_hazard();
1771#endif
1772
1da177e4
LT
1773 __asm__ __volatile__(
1774 ".set noreorder\n\t"
1775 "tlbr\n\t"
1776 ".set reorder");
9267a30d
MSJ
1777
1778#if MIPS34K_MISSED_ITLB_WAR
1779 if ((res & _ULCAST_(1)))
1780 __asm__ __volatile__(
1781 " .set push \n"
1782 " .set noreorder \n"
1783 " .set noat \n"
1784 " .set mips32r2 \n"
1785 " .word 0x41600021 # evpe \n"
1786 " ehb \n"
1787 " .set pop \n");
1788#endif
1da177e4
LT
1789}
1790
1791static inline void tlb_write_indexed(void)
1792{
1793 __asm__ __volatile__(
1794 ".set noreorder\n\t"
1795 "tlbwi\n\t"
1796 ".set reorder");
1797}
1798
1799static inline void tlb_write_random(void)
1800{
1801 __asm__ __volatile__(
1802 ".set noreorder\n\t"
1803 "tlbwr\n\t"
1804 ".set reorder");
1805}
1806
1807/*
1808 * Manipulate bits in a c0 register.
1809 */
1810#define __BUILD_SET_C0(name) \
1811static inline unsigned int \
1812set_c0_##name(unsigned int set) \
1813{ \
89e18eb3 1814 unsigned int res, new; \
1da177e4
LT
1815 \
1816 res = read_c0_##name(); \
89e18eb3
RB
1817 new = res | set; \
1818 write_c0_##name(new); \
1da177e4
LT
1819 \
1820 return res; \
1821} \
1822 \
1823static inline unsigned int \
1824clear_c0_##name(unsigned int clear) \
1825{ \
89e18eb3 1826 unsigned int res, new; \
1da177e4
LT
1827 \
1828 res = read_c0_##name(); \
89e18eb3
RB
1829 new = res & ~clear; \
1830 write_c0_##name(new); \
1da177e4
LT
1831 \
1832 return res; \
1833} \
1834 \
1835static inline unsigned int \
89e18eb3 1836change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 1837{ \
89e18eb3 1838 unsigned int res, new; \
1da177e4
LT
1839 \
1840 res = read_c0_##name(); \
89e18eb3
RB
1841 new = res & ~change; \
1842 new |= (val & change); \
1843 write_c0_##name(new); \
1da177e4
LT
1844 \
1845 return res; \
1846}
1847
1848__BUILD_SET_C0(status)
1849__BUILD_SET_C0(cause)
1850__BUILD_SET_C0(config)
7f65afb9 1851__BUILD_SET_C0(config5)
1da177e4 1852__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
1853__BUILD_SET_C0(intctl)
1854__BUILD_SET_C0(srsmap)
020232f1
KC
1855__BUILD_SET_C0(brcm_config_0)
1856__BUILD_SET_C0(brcm_bus_pll)
1857__BUILD_SET_C0(brcm_reset)
1858__BUILD_SET_C0(brcm_cmt_intr)
1859__BUILD_SET_C0(brcm_cmt_ctrl)
1860__BUILD_SET_C0(brcm_config)
1861__BUILD_SET_C0(brcm_mode)
1da177e4 1862
45b585c8
DD
1863/*
1864 * Return low 10 bits of ebase.
1865 * Note that under KVM (MIPSVZ) this returns vcpu id.
1866 */
1867static inline unsigned int get_ebase_cpunum(void)
1868{
1869 return read_c0_ebase() & 0x3ff;
1870}
1871
1da177e4
LT
1872#endif /* !__ASSEMBLY__ */
1873
1874#endif /* _ASM_MIPSREGS_H */