MIPS: Add LLB bit and related feature for the Config 5 CP0 register
[deliverable/linux.git] / arch / mips / include / asm / mipsregs.h
CommitLineData
1da177e4
LT
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
7 * Copyright (C) 2000 Silicon Graphics, Inc.
8 * Modified for further R[236]000 support by Paul M. Antoine, 1996.
9 * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
a3692020 10 * Copyright (C) 2000, 07 MIPS Technologies, Inc.
4194318c 11 * Copyright (C) 2003, 2004 Maciej W. Rozycki
1da177e4
LT
12 */
13#ifndef _ASM_MIPSREGS_H
14#define _ASM_MIPSREGS_H
15
1da177e4 16#include <linux/linkage.h>
87c99203 17#include <linux/types.h>
1da177e4 18#include <asm/hazards.h>
9267a30d 19#include <asm/war.h>
1da177e4
LT
20
21/*
22 * The following macros are especially useful for __asm__
23 * inline assembler.
24 */
25#ifndef __STR
26#define __STR(x) #x
27#endif
28#ifndef STR
29#define STR(x) __STR(x)
30#endif
31
32/*
33 * Configure language
34 */
35#ifdef __ASSEMBLY__
36#define _ULCAST_
37#else
38#define _ULCAST_ (unsigned long)
39#endif
40
41/*
42 * Coprocessor 0 register names
43 */
44#define CP0_INDEX $0
45#define CP0_RANDOM $1
46#define CP0_ENTRYLO0 $2
47#define CP0_ENTRYLO1 $3
48#define CP0_CONF $3
49#define CP0_CONTEXT $4
50#define CP0_PAGEMASK $5
51#define CP0_WIRED $6
52#define CP0_INFO $7
53#define CP0_BADVADDR $8
54#define CP0_COUNT $9
55#define CP0_ENTRYHI $10
56#define CP0_COMPARE $11
57#define CP0_STATUS $12
58#define CP0_CAUSE $13
59#define CP0_EPC $14
60#define CP0_PRID $15
61#define CP0_CONFIG $16
62#define CP0_LLADDR $17
63#define CP0_WATCHLO $18
64#define CP0_WATCHHI $19
65#define CP0_XCONTEXT $20
66#define CP0_FRAMEMASK $21
67#define CP0_DIAGNOSTIC $22
68#define CP0_DEBUG $23
69#define CP0_DEPC $24
70#define CP0_PERFORMANCE $25
71#define CP0_ECC $26
72#define CP0_CACHEERR $27
73#define CP0_TAGLO $28
74#define CP0_TAGHI $29
75#define CP0_ERROREPC $30
76#define CP0_DESAVE $31
77
78/*
79 * R4640/R4650 cp0 register names. These registers are listed
80 * here only for completeness; without MMU these CPUs are not useable
81 * by Linux. A future ELKS port might take make Linux run on them
82 * though ...
83 */
84#define CP0_IBASE $0
85#define CP0_IBOUND $1
86#define CP0_DBASE $2
87#define CP0_DBOUND $3
88#define CP0_CALG $17
89#define CP0_IWATCH $18
90#define CP0_DWATCH $19
91
92/*
93 * Coprocessor 0 Set 1 register names
94 */
95#define CP0_S1_DERRADDR0 $26
96#define CP0_S1_DERRADDR1 $27
97#define CP0_S1_INTCONTROL $20
98
7a0fc58c
RB
99/*
100 * Coprocessor 0 Set 2 register names
101 */
102#define CP0_S2_SRSCTL $12 /* MIPSR2 */
103
104/*
105 * Coprocessor 0 Set 3 register names
106 */
107#define CP0_S3_SRSMAP $12 /* MIPSR2 */
108
1da177e4
LT
109/*
110 * TX39 Series
111 */
112#define CP0_TX39_CACHE $7
113
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)
5aed9da1 656#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
23d06e4f 657#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
5ff04a84
PB
658#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
659#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
660#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
661#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
662#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
663#define MIPS_CONF5_K (_ULCAST_(1) << 30)
664
006a851b 665#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
666/* proAptiv FTLB on/off bit */
667#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
cf0a8aa0
MC
668/* FTLB probability bits */
669#define MIPS_CONF6_FTLBP_SHIFT (16)
006a851b 670
4b3e975e
RB
671#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
672
9267a30d
MSJ
673#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
674
02dc6bfb
MC
675#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
676#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
677
e19d5dba
PB
678/* MAAR bit definitions */
679#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
680#define MIPS_MAAR_ADDR_SHIFT 12
681#define MIPS_MAAR_S (_ULCAST_(1) << 1)
682#define MIPS_MAAR_V (_ULCAST_(1) << 0)
683
691038ba
LY
684/* EntryHI bit definition */
685#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
9267a30d 686
4dd8ee5d
PB
687/* CMGCRBase bit definitions */
688#define MIPS_CMGCRB_BASE 11
689#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
690
4194318c
RB
691/*
692 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
693 */
694#define MIPS_FPIR_S (_ULCAST_(1) << 16)
695#define MIPS_FPIR_D (_ULCAST_(1) << 17)
696#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
697#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
698#define MIPS_FPIR_W (_ULCAST_(1) << 20)
699#define MIPS_FPIR_L (_ULCAST_(1) << 21)
700#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
5ff04a84 701#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
4194318c 702
4a0156fb
SH
703/*
704 * Bits in the MIPS32 Memory Segmentation registers.
705 */
706#define MIPS_SEGCFG_PA_SHIFT 9
707#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
708#define MIPS_SEGCFG_AM_SHIFT 4
709#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
710#define MIPS_SEGCFG_EU_SHIFT 3
711#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
712#define MIPS_SEGCFG_C_SHIFT 0
713#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
714
715#define MIPS_SEGCFG_UUSK _ULCAST_(7)
716#define MIPS_SEGCFG_USK _ULCAST_(5)
717#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
718#define MIPS_SEGCFG_MUSK _ULCAST_(3)
719#define MIPS_SEGCFG_MSK _ULCAST_(2)
720#define MIPS_SEGCFG_MK _ULCAST_(1)
721#define MIPS_SEGCFG_UK _ULCAST_(0)
722
87d08bc9
MC
723#define MIPS_PWFIELD_GDI_SHIFT 24
724#define MIPS_PWFIELD_GDI_MASK 0x3f000000
725#define MIPS_PWFIELD_UDI_SHIFT 18
726#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
727#define MIPS_PWFIELD_MDI_SHIFT 12
728#define MIPS_PWFIELD_MDI_MASK 0x0003f000
729#define MIPS_PWFIELD_PTI_SHIFT 6
730#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
731#define MIPS_PWFIELD_PTEI_SHIFT 0
732#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
733
734#define MIPS_PWSIZE_GDW_SHIFT 24
735#define MIPS_PWSIZE_GDW_MASK 0x3f000000
736#define MIPS_PWSIZE_UDW_SHIFT 18
737#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
738#define MIPS_PWSIZE_MDW_SHIFT 12
739#define MIPS_PWSIZE_MDW_MASK 0x0003f000
740#define MIPS_PWSIZE_PTW_SHIFT 6
741#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
742#define MIPS_PWSIZE_PTEW_SHIFT 0
743#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
744
745#define MIPS_PWCTL_PWEN_SHIFT 31
746#define MIPS_PWCTL_PWEN_MASK 0x80000000
747#define MIPS_PWCTL_DPH_SHIFT 7
748#define MIPS_PWCTL_DPH_MASK 0x00000080
749#define MIPS_PWCTL_HUGEPG_SHIFT 6
750#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
751#define MIPS_PWCTL_PSN_SHIFT 0
752#define MIPS_PWCTL_PSN_MASK 0x0000003f
753
1da177e4
LT
754#ifndef __ASSEMBLY__
755
bfd08baa 756/*
377cb1b6 757 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 758 */
377cb1b6
RB
759#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
760 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
761#define get_isa16_mode(x) ((x) & 0x1)
762#define msk_isa16_mode(x) ((x) & ~0x1)
763#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
764#else
765#define get_isa16_mode(x) 0
766#define msk_isa16_mode(x) (x)
767#define set_isa16_mode(x) do { } while(0)
768#endif
bfd08baa
SH
769
770/*
771 * microMIPS instructions can be 16-bit or 32-bit in length. This
772 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
773 */
774static inline int mm_insn_16bit(u16 insn)
775{
776 u16 opcode = (insn >> 10) & 0x7;
777
778 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
779}
780
198bb4ce
LY
781/*
782 * TLB Invalidate Flush
783 */
784static inline void tlbinvf(void)
785{
786 __asm__ __volatile__(
787 ".set push\n\t"
788 ".set noreorder\n\t"
789 ".word 0x42000004\n\t" /* tlbinvf */
790 ".set pop");
791}
792
793
1da177e4 794/*
70342287 795 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
796 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
797 * performance counter number encoded into bits 1 ... 5 of the instruction.
798 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
799 * disassembler these will look like an access to sel 0 or 1.
800 */
801#define read_r10k_perf_cntr(counter) \
802({ \
803 unsigned int __res; \
804 __asm__ __volatile__( \
805 "mfpc\t%0, %1" \
70342287 806 : "=r" (__res) \
1da177e4
LT
807 : "i" (counter)); \
808 \
70342287 809 __res; \
1da177e4
LT
810})
811
70342287 812#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
813do { \
814 __asm__ __volatile__( \
815 "mtpc\t%0, %1" \
816 : \
817 : "r" (val), "i" (counter)); \
818} while (0)
819
820#define read_r10k_perf_event(counter) \
821({ \
822 unsigned int __res; \
823 __asm__ __volatile__( \
824 "mfps\t%0, %1" \
70342287 825 : "=r" (__res) \
1da177e4
LT
826 : "i" (counter)); \
827 \
70342287 828 __res; \
1da177e4
LT
829})
830
70342287 831#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
832do { \
833 __asm__ __volatile__( \
834 "mtps\t%0, %1" \
835 : \
836 : "r" (val), "i" (counter)); \
837} while (0)
838
839
840/*
841 * Macros to access the system control coprocessor
842 */
843
844#define __read_32bit_c0_register(source, sel) \
845({ int __res; \
846 if (sel == 0) \
847 __asm__ __volatile__( \
848 "mfc0\t%0, " #source "\n\t" \
849 : "=r" (__res)); \
850 else \
851 __asm__ __volatile__( \
852 ".set\tmips32\n\t" \
853 "mfc0\t%0, " #source ", " #sel "\n\t" \
854 ".set\tmips0\n\t" \
855 : "=r" (__res)); \
856 __res; \
857})
858
859#define __read_64bit_c0_register(source, sel) \
860({ unsigned long long __res; \
861 if (sizeof(unsigned long) == 4) \
862 __res = __read_64bit_c0_split(source, sel); \
863 else if (sel == 0) \
864 __asm__ __volatile__( \
865 ".set\tmips3\n\t" \
866 "dmfc0\t%0, " #source "\n\t" \
867 ".set\tmips0" \
868 : "=r" (__res)); \
869 else \
870 __asm__ __volatile__( \
871 ".set\tmips64\n\t" \
872 "dmfc0\t%0, " #source ", " #sel "\n\t" \
873 ".set\tmips0" \
874 : "=r" (__res)); \
875 __res; \
876})
877
878#define __write_32bit_c0_register(register, sel, value) \
879do { \
880 if (sel == 0) \
881 __asm__ __volatile__( \
882 "mtc0\t%z0, " #register "\n\t" \
0952e290 883 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
884 else \
885 __asm__ __volatile__( \
886 ".set\tmips32\n\t" \
887 "mtc0\t%z0, " #register ", " #sel "\n\t" \
888 ".set\tmips0" \
0952e290 889 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
890} while (0)
891
892#define __write_64bit_c0_register(register, sel, value) \
893do { \
894 if (sizeof(unsigned long) == 4) \
895 __write_64bit_c0_split(register, sel, value); \
896 else if (sel == 0) \
897 __asm__ __volatile__( \
898 ".set\tmips3\n\t" \
899 "dmtc0\t%z0, " #register "\n\t" \
900 ".set\tmips0" \
901 : : "Jr" (value)); \
902 else \
903 __asm__ __volatile__( \
904 ".set\tmips64\n\t" \
905 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
906 ".set\tmips0" \
907 : : "Jr" (value)); \
908} while (0)
909
910#define __read_ulong_c0_register(reg, sel) \
911 ((sizeof(unsigned long) == 4) ? \
912 (unsigned long) __read_32bit_c0_register(reg, sel) : \
913 (unsigned long) __read_64bit_c0_register(reg, sel))
914
915#define __write_ulong_c0_register(reg, sel, val) \
916do { \
917 if (sizeof(unsigned long) == 4) \
918 __write_32bit_c0_register(reg, sel, val); \
919 else \
920 __write_64bit_c0_register(reg, sel, val); \
921} while (0)
922
923/*
924 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
925 */
926#define __read_32bit_c0_ctrl_register(source) \
927({ int __res; \
928 __asm__ __volatile__( \
929 "cfc0\t%0, " #source "\n\t" \
930 : "=r" (__res)); \
931 __res; \
932})
933
934#define __write_32bit_c0_ctrl_register(register, value) \
935do { \
936 __asm__ __volatile__( \
937 "ctc0\t%z0, " #register "\n\t" \
0952e290 938 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
939} while (0)
940
941/*
942 * These versions are only needed for systems with more than 38 bits of
943 * physical address space running the 32-bit kernel. That's none atm :-)
944 */
945#define __read_64bit_c0_split(source, sel) \
946({ \
87d43dd4
AN
947 unsigned long long __val; \
948 unsigned long __flags; \
1da177e4 949 \
87d43dd4 950 local_irq_save(__flags); \
1da177e4
LT
951 if (sel == 0) \
952 __asm__ __volatile__( \
953 ".set\tmips64\n\t" \
954 "dmfc0\t%M0, " #source "\n\t" \
955 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
956 "dsra\t%M0, %M0, 32\n\t" \
957 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 958 ".set\tmips0" \
87d43dd4 959 : "=r" (__val)); \
1da177e4
LT
960 else \
961 __asm__ __volatile__( \
962 ".set\tmips64\n\t" \
963 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
964 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
965 "dsra\t%M0, %M0, 32\n\t" \
966 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 967 ".set\tmips0" \
87d43dd4
AN
968 : "=r" (__val)); \
969 local_irq_restore(__flags); \
1da177e4 970 \
87d43dd4 971 __val; \
1da177e4
LT
972})
973
974#define __write_64bit_c0_split(source, sel, val) \
975do { \
87d43dd4 976 unsigned long __flags; \
1da177e4 977 \
87d43dd4 978 local_irq_save(__flags); \
1da177e4
LT
979 if (sel == 0) \
980 __asm__ __volatile__( \
981 ".set\tmips64\n\t" \
982 "dsll\t%L0, %L0, 32\n\t" \
983 "dsrl\t%L0, %L0, 32\n\t" \
984 "dsll\t%M0, %M0, 32\n\t" \
985 "or\t%L0, %L0, %M0\n\t" \
986 "dmtc0\t%L0, " #source "\n\t" \
987 ".set\tmips0" \
988 : : "r" (val)); \
989 else \
990 __asm__ __volatile__( \
991 ".set\tmips64\n\t" \
992 "dsll\t%L0, %L0, 32\n\t" \
993 "dsrl\t%L0, %L0, 32\n\t" \
994 "dsll\t%M0, %M0, 32\n\t" \
995 "or\t%L0, %L0, %M0\n\t" \
996 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
997 ".set\tmips0" \
998 : : "r" (val)); \
87d43dd4 999 local_irq_restore(__flags); \
1da177e4
LT
1000} while (0)
1001
23d06e4f
SH
1002#define __readx_32bit_c0_register(source) \
1003({ \
1004 unsigned int __res; \
1005 \
1006 __asm__ __volatile__( \
1007 " .set push \n" \
1008 " .set noat \n" \
1009 " .set mips32r2 \n" \
1010 " .insn \n" \
1011 " # mfhc0 $1, %1 \n" \
1012 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
1013 " move %0, $1 \n" \
1014 " .set pop \n" \
1015 : "=r" (__res) \
1016 : "i" (source)); \
1017 __res; \
1018})
1019
1020#define __writex_32bit_c0_register(register, value) \
1021do { \
1022 __asm__ __volatile__( \
1023 " .set push \n" \
1024 " .set noat \n" \
1025 " .set mips32r2 \n" \
1026 " move $1, %0 \n" \
1027 " # mthc0 $1, %1 \n" \
1028 " .insn \n" \
1029 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
1030 " .set pop \n" \
1031 : \
1032 : "r" (value), "i" (register)); \
1033} while (0)
1034
1da177e4
LT
1035#define read_c0_index() __read_32bit_c0_register($0, 0)
1036#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1037
272bace7
RB
1038#define read_c0_random() __read_32bit_c0_register($1, 0)
1039#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1040
1da177e4
LT
1041#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1042#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1043
23d06e4f
SH
1044#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1045#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1046
1da177e4
LT
1047#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1048#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1049
23d06e4f
SH
1050#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1051#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1052
1da177e4
LT
1053#define read_c0_conf() __read_32bit_c0_register($3, 0)
1054#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1055
1056#define read_c0_context() __read_ulong_c0_register($4, 0)
1057#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1058
a3692020 1059#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1060#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1061
1da177e4
LT
1062#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1063#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1064
9fe2e9d6 1065#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1066#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1067
1da177e4
LT
1068#define read_c0_wired() __read_32bit_c0_register($6, 0)
1069#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1070
1071#define read_c0_info() __read_32bit_c0_register($7, 0)
1072
70342287 1073#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1074#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1075
15c4f67a
RB
1076#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1077#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1078
1da177e4
LT
1079#define read_c0_count() __read_32bit_c0_register($9, 0)
1080#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1081
bdf21b18
PP
1082#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1083#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1084
1085#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1086#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1087
1da177e4
LT
1088#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1089#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1090
1091#define read_c0_compare() __read_32bit_c0_register($11, 0)
1092#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1093
bdf21b18
PP
1094#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1095#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1096
1097#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1098#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1099
1da177e4 1100#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1101
1da177e4
LT
1102#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1103
1104#define read_c0_cause() __read_32bit_c0_register($13, 0)
1105#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1106
1107#define read_c0_epc() __read_ulong_c0_register($14, 0)
1108#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1109
1110#define read_c0_prid() __read_32bit_c0_register($15, 0)
1111
4dd8ee5d
PB
1112#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1113
1da177e4
LT
1114#define read_c0_config() __read_32bit_c0_register($16, 0)
1115#define read_c0_config1() __read_32bit_c0_register($16, 1)
1116#define read_c0_config2() __read_32bit_c0_register($16, 2)
1117#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1118#define read_c0_config4() __read_32bit_c0_register($16, 4)
1119#define read_c0_config5() __read_32bit_c0_register($16, 5)
1120#define read_c0_config6() __read_32bit_c0_register($16, 6)
1121#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1122#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1123#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1124#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1125#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1126#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1127#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1128#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1129#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1130
e19d5dba
PB
1131#define read_c0_maar() __read_ulong_c0_register($17, 1)
1132#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1133#define read_c0_maari() __read_32bit_c0_register($17, 2)
1134#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1135
1da177e4 1136/*
25985edc 1137 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1138 */
1139#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1140#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1141#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1142#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1143#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1144#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1145#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1146#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1147#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1148#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1149#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1150#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1151#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1152#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1153#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1154#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1155
1156/*
25985edc 1157 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1158 */
1159#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1160#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1161#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1162#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1163#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1164#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1165#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1166#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1167
1168#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1169#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1170#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1171#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1172#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1173#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1174#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1175#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1176
1177#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1178#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1179
1180#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1181#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1182
1183#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1184#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1185
1da177e4
LT
1186#define read_c0_diag() __read_32bit_c0_register($22, 0)
1187#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1188
1189#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1190#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1191
1192#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1193#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1194
1195#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1196#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1197
1198#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1199#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1200
1201#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1202#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1203
1204#define read_c0_debug() __read_32bit_c0_register($23, 0)
1205#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1206
1207#define read_c0_depc() __read_ulong_c0_register($24, 0)
1208#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1209
1210/*
1211 * MIPS32 / MIPS64 performance counters
1212 */
1213#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1214#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1215#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1216#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1217#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1218#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1219#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1220#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1221#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1222#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1223#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1224#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1225#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1226#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1227#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1228#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1229#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1230#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1231#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1232#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1233#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1234#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1235#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1236#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1237
1da177e4
LT
1238#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1239#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1240
1241#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1242#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1243
1244#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1245
1246#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1247#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1248
1249#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1250#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1251
41c594ab
RB
1252#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1253#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1254
af231172
KC
1255#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1256#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1257
1258#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1259#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1260
1da177e4
LT
1261#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1262#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1263
1264#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1265#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1266
7a0fc58c 1267/* MIPSR2 */
21a151d8 1268#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1269#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1270
1271#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1272#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1273
1274#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1275#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1276
1277#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1278#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1279
21a151d8 1280#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1281#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1282
4a0156fb
SH
1283/* MIPSR3 */
1284#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1285#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1286
1287#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1288#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1289
1290#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1291#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1292
87d08bc9
MC
1293/* Hardware Page Table Walker */
1294#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1295#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1296
1297#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1298#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1299
1300#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1301#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1302
1303#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1304#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1305
ed918c2d
DD
1306/* Cavium OCTEON (cnMIPS) */
1307#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1308#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1309
1310#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1311#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1312
1313#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1314#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1315/*
70342287 1316 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1317 * 64 bits wide.
1318 */
1319#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1320#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1321
1322#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1323#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1324
af231172
KC
1325/* BMIPS3300 */
1326#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1327#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1328
1329#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1330#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1331
1332#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1333#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1334
020232f1 1335/* BMIPS43xx */
af231172
KC
1336#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1337#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1338
1339#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1340#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1341
1342#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1343#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1344
1345#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1346#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1347
1348#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1349#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1350
1351/* BMIPS5000 */
1352#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1353#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1354
1355#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1356#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1357
1358#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1359#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1360
1361#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1362#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1363
1364#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1365#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1366
1367#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1368#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1369
1da177e4
LT
1370/*
1371 * Macros to access the floating point coprocessor control registers
1372 */
842dfc11 1373#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310
SH
1374({ \
1375 int __res; \
1376 \
1377 __asm__ __volatile__( \
1378 " .set push \n" \
1379 " .set reorder \n" \
1380 " # gas fails to assemble cfc1 for some archs, \n" \
1381 " # like Octeon. \n" \
1382 " .set mips1 \n" \
842dfc11 1383 " "STR(gas_hardfloat)" \n" \
b9688310
SH
1384 " cfc1 %0,"STR(source)" \n" \
1385 " .set pop \n" \
1386 : "=r" (__res)); \
1387 __res; \
1388})
1da177e4 1389
842dfc11
ML
1390#ifdef GAS_HAS_SET_HARDFLOAT
1391#define read_32bit_cp1_register(source) \
1392 _read_32bit_cp1_register(source, .set hardfloat)
1393#else
1394#define read_32bit_cp1_register(source) \
1395 _read_32bit_cp1_register(source, )
1396#endif
1397
32a7ede6 1398#ifdef HAVE_AS_DSP
e50c0a8f
RB
1399#define rddsp(mask) \
1400({ \
32a7ede6 1401 unsigned int __dspctl; \
e50c0a8f
RB
1402 \
1403 __asm__ __volatile__( \
63c2b681
FF
1404 " .set push \n" \
1405 " .set dsp \n" \
32a7ede6 1406 " rddsp %0, %x1 \n" \
63c2b681 1407 " .set pop \n" \
32a7ede6 1408 : "=r" (__dspctl) \
e50c0a8f 1409 : "i" (mask)); \
32a7ede6 1410 __dspctl; \
e50c0a8f
RB
1411})
1412
1413#define wrdsp(val, mask) \
1414do { \
e50c0a8f 1415 __asm__ __volatile__( \
63c2b681
FF
1416 " .set push \n" \
1417 " .set dsp \n" \
32a7ede6 1418 " wrdsp %0, %x1 \n" \
63c2b681 1419 " .set pop \n" \
70342287 1420 : \
e50c0a8f 1421 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1422} while (0)
1423
63c2b681
FF
1424#define mflo0() \
1425({ \
1426 long mflo0; \
1427 __asm__( \
1428 " .set push \n" \
1429 " .set dsp \n" \
1430 " mflo %0, $ac0 \n" \
1431 " .set pop \n" \
1432 : "=r" (mflo0)); \
1433 mflo0; \
1434})
1435
1436#define mflo1() \
1437({ \
1438 long mflo1; \
1439 __asm__( \
1440 " .set push \n" \
1441 " .set dsp \n" \
1442 " mflo %0, $ac1 \n" \
1443 " .set pop \n" \
1444 : "=r" (mflo1)); \
1445 mflo1; \
1446})
1447
1448#define mflo2() \
1449({ \
1450 long mflo2; \
1451 __asm__( \
1452 " .set push \n" \
1453 " .set dsp \n" \
1454 " mflo %0, $ac2 \n" \
1455 " .set pop \n" \
1456 : "=r" (mflo2)); \
1457 mflo2; \
1458})
1459
1460#define mflo3() \
1461({ \
1462 long mflo3; \
1463 __asm__( \
1464 " .set push \n" \
1465 " .set dsp \n" \
1466 " mflo %0, $ac3 \n" \
1467 " .set pop \n" \
1468 : "=r" (mflo3)); \
1469 mflo3; \
1470})
1471
1472#define mfhi0() \
1473({ \
1474 long mfhi0; \
1475 __asm__( \
1476 " .set push \n" \
1477 " .set dsp \n" \
1478 " mfhi %0, $ac0 \n" \
1479 " .set pop \n" \
1480 : "=r" (mfhi0)); \
1481 mfhi0; \
1482})
1483
1484#define mfhi1() \
1485({ \
1486 long mfhi1; \
1487 __asm__( \
1488 " .set push \n" \
1489 " .set dsp \n" \
1490 " mfhi %0, $ac1 \n" \
1491 " .set pop \n" \
1492 : "=r" (mfhi1)); \
1493 mfhi1; \
1494})
1495
1496#define mfhi2() \
1497({ \
1498 long mfhi2; \
1499 __asm__( \
1500 " .set push \n" \
1501 " .set dsp \n" \
1502 " mfhi %0, $ac2 \n" \
1503 " .set pop \n" \
1504 : "=r" (mfhi2)); \
1505 mfhi2; \
1506})
1507
1508#define mfhi3() \
1509({ \
1510 long mfhi3; \
1511 __asm__( \
1512 " .set push \n" \
1513 " .set dsp \n" \
1514 " mfhi %0, $ac3 \n" \
1515 " .set pop \n" \
1516 : "=r" (mfhi3)); \
1517 mfhi3; \
1518})
1519
1520
1521#define mtlo0(x) \
1522({ \
1523 __asm__( \
1524 " .set push \n" \
1525 " .set dsp \n" \
1526 " mtlo %0, $ac0 \n" \
1527 " .set pop \n" \
1528 : \
1529 : "r" (x)); \
1530})
1531
1532#define mtlo1(x) \
1533({ \
1534 __asm__( \
1535 " .set push \n" \
1536 " .set dsp \n" \
1537 " mtlo %0, $ac1 \n" \
1538 " .set pop \n" \
1539 : \
1540 : "r" (x)); \
1541})
1542
1543#define mtlo2(x) \
1544({ \
1545 __asm__( \
1546 " .set push \n" \
1547 " .set dsp \n" \
1548 " mtlo %0, $ac2 \n" \
1549 " .set pop \n" \
1550 : \
1551 : "r" (x)); \
1552})
1553
1554#define mtlo3(x) \
1555({ \
1556 __asm__( \
1557 " .set push \n" \
1558 " .set dsp \n" \
1559 " mtlo %0, $ac3 \n" \
1560 " .set pop \n" \
1561 : \
1562 : "r" (x)); \
1563})
1564
1565#define mthi0(x) \
1566({ \
1567 __asm__( \
1568 " .set push \n" \
1569 " .set dsp \n" \
1570 " mthi %0, $ac0 \n" \
1571 " .set pop \n" \
1572 : \
1573 : "r" (x)); \
1574})
1575
1576#define mthi1(x) \
1577({ \
1578 __asm__( \
1579 " .set push \n" \
1580 " .set dsp \n" \
1581 " mthi %0, $ac1 \n" \
1582 " .set pop \n" \
1583 : \
1584 : "r" (x)); \
1585})
1586
1587#define mthi2(x) \
1588({ \
1589 __asm__( \
1590 " .set push \n" \
1591 " .set dsp \n" \
1592 " mthi %0, $ac2 \n" \
1593 " .set pop \n" \
1594 : \
1595 : "r" (x)); \
1596})
1597
1598#define mthi3(x) \
1599({ \
1600 __asm__( \
1601 " .set push \n" \
1602 " .set dsp \n" \
1603 " mthi %0, $ac3 \n" \
1604 " .set pop \n" \
1605 : \
1606 : "r" (x)); \
1607})
e50c0a8f
RB
1608
1609#else
1610
d0c1b478
SH
1611#ifdef CONFIG_CPU_MICROMIPS
1612#define rddsp(mask) \
e50c0a8f 1613({ \
d0c1b478 1614 unsigned int __res; \
e50c0a8f
RB
1615 \
1616 __asm__ __volatile__( \
e50c0a8f
RB
1617 " .set push \n" \
1618 " .set noat \n" \
d0c1b478
SH
1619 " # rddsp $1, %x1 \n" \
1620 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
1621 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
1622 " move %0, $1 \n" \
e50c0a8f 1623 " .set pop \n" \
d0c1b478
SH
1624 : "=r" (__res) \
1625 : "i" (mask)); \
1626 __res; \
1627})
e50c0a8f 1628
d0c1b478 1629#define wrdsp(val, mask) \
e50c0a8f
RB
1630do { \
1631 __asm__ __volatile__( \
1632 " .set push \n" \
1633 " .set noat \n" \
1634 " move $1, %0 \n" \
d0c1b478
SH
1635 " # wrdsp $1, %x1 \n" \
1636 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
1637 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
e50c0a8f
RB
1638 " .set pop \n" \
1639 : \
d0c1b478 1640 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1641} while (0)
1642
d0c1b478
SH
1643#define _umips_dsp_mfxxx(ins) \
1644({ \
1645 unsigned long __treg; \
1646 \
e50c0a8f
RB
1647 __asm__ __volatile__( \
1648 " .set push \n" \
1649 " .set noat \n" \
d0c1b478
SH
1650 " .hword 0x0001 \n" \
1651 " .hword %x1 \n" \
1652 " move %0, $1 \n" \
e50c0a8f 1653 " .set pop \n" \
d0c1b478
SH
1654 : "=r" (__treg) \
1655 : "i" (ins)); \
1656 __treg; \
1657})
e50c0a8f 1658
d0c1b478 1659#define _umips_dsp_mtxxx(val, ins) \
e50c0a8f
RB
1660do { \
1661 __asm__ __volatile__( \
1662 " .set push \n" \
1663 " .set noat \n" \
1664 " move $1, %0 \n" \
d0c1b478
SH
1665 " .hword 0x0001 \n" \
1666 " .hword %x1 \n" \
e50c0a8f
RB
1667 " .set pop \n" \
1668 : \
d0c1b478 1669 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1670} while (0)
1671
d0c1b478
SH
1672#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
1673#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
1674
1675#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
1676#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
1677
1678#define mflo0() _umips_dsp_mflo(0)
1679#define mflo1() _umips_dsp_mflo(1)
1680#define mflo2() _umips_dsp_mflo(2)
1681#define mflo3() _umips_dsp_mflo(3)
1682
1683#define mfhi0() _umips_dsp_mfhi(0)
1684#define mfhi1() _umips_dsp_mfhi(1)
1685#define mfhi2() _umips_dsp_mfhi(2)
1686#define mfhi3() _umips_dsp_mfhi(3)
1687
1688#define mtlo0(x) _umips_dsp_mtlo(x, 0)
1689#define mtlo1(x) _umips_dsp_mtlo(x, 1)
1690#define mtlo2(x) _umips_dsp_mtlo(x, 2)
1691#define mtlo3(x) _umips_dsp_mtlo(x, 3)
1692
1693#define mthi0(x) _umips_dsp_mthi(x, 0)
1694#define mthi1(x) _umips_dsp_mthi(x, 1)
1695#define mthi2(x) _umips_dsp_mthi(x, 2)
1696#define mthi3(x) _umips_dsp_mthi(x, 3)
1697
1698#else /* !CONFIG_CPU_MICROMIPS */
32a7ede6
SH
1699#define rddsp(mask) \
1700({ \
1701 unsigned int __res; \
1702 \
e50c0a8f 1703 __asm__ __volatile__( \
32a7ede6
SH
1704 " .set push \n" \
1705 " .set noat \n" \
1706 " # rddsp $1, %x1 \n" \
1707 " .word 0x7c000cb8 | (%x1 << 16) \n" \
1708 " move %0, $1 \n" \
1709 " .set pop \n" \
1710 : "=r" (__res) \
1711 : "i" (mask)); \
1712 __res; \
1713})
e50c0a8f 1714
32a7ede6 1715#define wrdsp(val, mask) \
e50c0a8f
RB
1716do { \
1717 __asm__ __volatile__( \
1718 " .set push \n" \
1719 " .set noat \n" \
1720 " move $1, %0 \n" \
32a7ede6
SH
1721 " # wrdsp $1, %x1 \n" \
1722 " .word 0x7c2004f8 | (%x1 << 11) \n" \
e50c0a8f 1723 " .set pop \n" \
32a7ede6
SH
1724 : \
1725 : "r" (val), "i" (mask)); \
e50c0a8f
RB
1726} while (0)
1727
4cb764b4 1728#define _dsp_mfxxx(ins) \
e50c0a8f
RB
1729({ \
1730 unsigned long __treg; \
1731 \
e50c0a8f
RB
1732 __asm__ __volatile__( \
1733 " .set push \n" \
1734 " .set noat \n" \
4cb764b4
SH
1735 " .word (0x00000810 | %1) \n" \
1736 " move %0, $1 \n" \
e50c0a8f 1737 " .set pop \n" \
4cb764b4
SH
1738 : "=r" (__treg) \
1739 : "i" (ins)); \
1740 __treg; \
1741})
e50c0a8f 1742
4cb764b4 1743#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
1744do { \
1745 __asm__ __volatile__( \
1746 " .set push \n" \
1747 " .set noat \n" \
1748 " move $1, %0 \n" \
4cb764b4 1749 " .word (0x00200011 | %1) \n" \
e50c0a8f
RB
1750 " .set pop \n" \
1751 : \
4cb764b4 1752 : "r" (val), "i" (ins)); \
e50c0a8f
RB
1753} while (0)
1754
4cb764b4
SH
1755#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
1756#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 1757
4cb764b4
SH
1758#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
1759#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 1760
4cb764b4
SH
1761#define mflo0() _dsp_mflo(0)
1762#define mflo1() _dsp_mflo(1)
1763#define mflo2() _dsp_mflo(2)
1764#define mflo3() _dsp_mflo(3)
e50c0a8f 1765
4cb764b4
SH
1766#define mfhi0() _dsp_mfhi(0)
1767#define mfhi1() _dsp_mfhi(1)
1768#define mfhi2() _dsp_mfhi(2)
1769#define mfhi3() _dsp_mfhi(3)
e50c0a8f 1770
4cb764b4
SH
1771#define mtlo0(x) _dsp_mtlo(x, 0)
1772#define mtlo1(x) _dsp_mtlo(x, 1)
1773#define mtlo2(x) _dsp_mtlo(x, 2)
1774#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 1775
4cb764b4
SH
1776#define mthi0(x) _dsp_mthi(x, 0)
1777#define mthi1(x) _dsp_mthi(x, 1)
1778#define mthi2(x) _dsp_mthi(x, 2)
1779#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f 1780
d0c1b478 1781#endif /* CONFIG_CPU_MICROMIPS */
e50c0a8f
RB
1782#endif
1783
1da177e4
LT
1784/*
1785 * TLB operations.
1786 *
1787 * It is responsibility of the caller to take care of any TLB hazards.
1788 */
1789static inline void tlb_probe(void)
1790{
1791 __asm__ __volatile__(
1792 ".set noreorder\n\t"
1793 "tlbp\n\t"
1794 ".set reorder");
1795}
1796
1797static inline void tlb_read(void)
1798{
9267a30d
MSJ
1799#if MIPS34K_MISSED_ITLB_WAR
1800 int res = 0;
1801
1802 __asm__ __volatile__(
1803 " .set push \n"
1804 " .set noreorder \n"
1805 " .set noat \n"
1806 " .set mips32r2 \n"
1807 " .word 0x41610001 # dvpe $1 \n"
1808 " move %0, $1 \n"
1809 " ehb \n"
1810 " .set pop \n"
1811 : "=r" (res));
1812
1813 instruction_hazard();
1814#endif
1815
1da177e4
LT
1816 __asm__ __volatile__(
1817 ".set noreorder\n\t"
1818 "tlbr\n\t"
1819 ".set reorder");
9267a30d
MSJ
1820
1821#if MIPS34K_MISSED_ITLB_WAR
1822 if ((res & _ULCAST_(1)))
1823 __asm__ __volatile__(
1824 " .set push \n"
1825 " .set noreorder \n"
1826 " .set noat \n"
1827 " .set mips32r2 \n"
1828 " .word 0x41600021 # evpe \n"
1829 " ehb \n"
1830 " .set pop \n");
1831#endif
1da177e4
LT
1832}
1833
1834static inline void tlb_write_indexed(void)
1835{
1836 __asm__ __volatile__(
1837 ".set noreorder\n\t"
1838 "tlbwi\n\t"
1839 ".set reorder");
1840}
1841
1842static inline void tlb_write_random(void)
1843{
1844 __asm__ __volatile__(
1845 ".set noreorder\n\t"
1846 "tlbwr\n\t"
1847 ".set reorder");
1848}
1849
1850/*
1851 * Manipulate bits in a c0 register.
1852 */
1853#define __BUILD_SET_C0(name) \
1854static inline unsigned int \
1855set_c0_##name(unsigned int set) \
1856{ \
89e18eb3 1857 unsigned int res, new; \
1da177e4
LT
1858 \
1859 res = read_c0_##name(); \
89e18eb3
RB
1860 new = res | set; \
1861 write_c0_##name(new); \
1da177e4
LT
1862 \
1863 return res; \
1864} \
1865 \
1866static inline unsigned int \
1867clear_c0_##name(unsigned int clear) \
1868{ \
89e18eb3 1869 unsigned int res, new; \
1da177e4
LT
1870 \
1871 res = read_c0_##name(); \
89e18eb3
RB
1872 new = res & ~clear; \
1873 write_c0_##name(new); \
1da177e4
LT
1874 \
1875 return res; \
1876} \
1877 \
1878static inline unsigned int \
89e18eb3 1879change_c0_##name(unsigned int change, unsigned int val) \
1da177e4 1880{ \
89e18eb3 1881 unsigned int res, new; \
1da177e4
LT
1882 \
1883 res = read_c0_##name(); \
89e18eb3
RB
1884 new = res & ~change; \
1885 new |= (val & change); \
1886 write_c0_##name(new); \
1da177e4
LT
1887 \
1888 return res; \
1889}
1890
1891__BUILD_SET_C0(status)
1892__BUILD_SET_C0(cause)
1893__BUILD_SET_C0(config)
7f65afb9 1894__BUILD_SET_C0(config5)
1da177e4 1895__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
1896__BUILD_SET_C0(intctl)
1897__BUILD_SET_C0(srsmap)
020232f1
KC
1898__BUILD_SET_C0(brcm_config_0)
1899__BUILD_SET_C0(brcm_bus_pll)
1900__BUILD_SET_C0(brcm_reset)
1901__BUILD_SET_C0(brcm_cmt_intr)
1902__BUILD_SET_C0(brcm_cmt_ctrl)
1903__BUILD_SET_C0(brcm_config)
1904__BUILD_SET_C0(brcm_mode)
1da177e4 1905
45b585c8
DD
1906/*
1907 * Return low 10 bits of ebase.
1908 * Note that under KVM (MIPSVZ) this returns vcpu id.
1909 */
1910static inline unsigned int get_ebase_cpunum(void)
1911{
1912 return read_c0_ebase() & 0x3ff;
1913}
1914
1da177e4
LT
1915#endif /* !__ASSEMBLY__ */
1916
1917#endif /* _ASM_MIPSREGS_H */
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