MIPS: Clean up RDHWR handling
[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
5c33f8b2
MR
51#define CP0_SEGCTL0 $5, 2
52#define CP0_SEGCTL1 $5, 3
53#define CP0_SEGCTL2 $5, 4
1da177e4
LT
54#define CP0_WIRED $6
55#define CP0_INFO $7
aff565aa 56#define CP0_HWRENA $7
1da177e4 57#define CP0_BADVADDR $8
609cf6f2 58#define CP0_BADINSTR $8, 1
1da177e4
LT
59#define CP0_COUNT $9
60#define CP0_ENTRYHI $10
f913e9ea
JH
61#define CP0_GUESTCTL1 $10, 4
62#define CP0_GUESTCTL2 $10, 5
63#define CP0_GUESTCTL3 $10, 6
1da177e4 64#define CP0_COMPARE $11
f913e9ea 65#define CP0_GUESTCTL0EXT $11, 4
1da177e4 66#define CP0_STATUS $12
f913e9ea
JH
67#define CP0_GUESTCTL0 $12, 6
68#define CP0_GTOFFSET $12, 7
1da177e4
LT
69#define CP0_CAUSE $13
70#define CP0_EPC $14
71#define CP0_PRID $15
609cf6f2
PB
72#define CP0_EBASE $15, 1
73#define CP0_CMGCRBASE $15, 3
1da177e4 74#define CP0_CONFIG $16
195cee92
JH
75#define CP0_CONFIG3 $16, 3
76#define CP0_CONFIG5 $16, 5
1da177e4
LT
77#define CP0_LLADDR $17
78#define CP0_WATCHLO $18
79#define CP0_WATCHHI $19
80#define CP0_XCONTEXT $20
81#define CP0_FRAMEMASK $21
82#define CP0_DIAGNOSTIC $22
83#define CP0_DEBUG $23
84#define CP0_DEPC $24
85#define CP0_PERFORMANCE $25
86#define CP0_ECC $26
87#define CP0_CACHEERR $27
88#define CP0_TAGLO $28
89#define CP0_TAGHI $29
90#define CP0_ERROREPC $30
91#define CP0_DESAVE $31
92
93/*
94 * R4640/R4650 cp0 register names. These registers are listed
95 * here only for completeness; without MMU these CPUs are not useable
96 * by Linux. A future ELKS port might take make Linux run on them
97 * though ...
98 */
99#define CP0_IBASE $0
100#define CP0_IBOUND $1
101#define CP0_DBASE $2
102#define CP0_DBOUND $3
103#define CP0_CALG $17
104#define CP0_IWATCH $18
105#define CP0_DWATCH $19
106
107/*
108 * Coprocessor 0 Set 1 register names
109 */
110#define CP0_S1_DERRADDR0 $26
111#define CP0_S1_DERRADDR1 $27
112#define CP0_S1_INTCONTROL $20
113
7a0fc58c
RB
114/*
115 * Coprocessor 0 Set 2 register names
116 */
117#define CP0_S2_SRSCTL $12 /* MIPSR2 */
118
119/*
120 * Coprocessor 0 Set 3 register names
121 */
122#define CP0_S3_SRSMAP $12 /* MIPSR2 */
123
1da177e4
LT
124/*
125 * TX39 Series
126 */
127#define CP0_TX39_CACHE $7
128
1da177e4 129
bae637a2
JH
130/* Generic EntryLo bit definitions */
131#define ENTRYLO_G (_ULCAST_(1) << 0)
132#define ENTRYLO_V (_ULCAST_(1) << 1)
133#define ENTRYLO_D (_ULCAST_(1) << 2)
134#define ENTRYLO_C_SHIFT 3
135#define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT)
136
137/* R3000 EntryLo bit definitions */
138#define R3K_ENTRYLO_G (_ULCAST_(1) << 8)
139#define R3K_ENTRYLO_V (_ULCAST_(1) << 9)
140#define R3K_ENTRYLO_D (_ULCAST_(1) << 10)
141#define R3K_ENTRYLO_N (_ULCAST_(1) << 11)
142
143/* MIPS32/64 EntryLo bit definitions */
c6956728
PB
144#define MIPS_ENTRYLO_PFN_SHIFT 6
145#define MIPS_ENTRYLO_XI (_ULCAST_(1) << (BITS_PER_LONG - 2))
146#define MIPS_ENTRYLO_RI (_ULCAST_(1) << (BITS_PER_LONG - 1))
bae637a2 147
1da177e4
LT
148/*
149 * Values for PageMask register
150 */
151#ifdef CONFIG_CPU_VR41XX
152
153/* Why doesn't stupidity hurt ... */
154
155#define PM_1K 0x00000000
156#define PM_4K 0x00001800
157#define PM_16K 0x00007800
158#define PM_64K 0x0001f800
159#define PM_256K 0x0007f800
160
161#else
162
163#define PM_4K 0x00000000
c52399be 164#define PM_8K 0x00002000
1da177e4 165#define PM_16K 0x00006000
c52399be 166#define PM_32K 0x0000e000
1da177e4 167#define PM_64K 0x0001e000
c52399be 168#define PM_128K 0x0003e000
1da177e4 169#define PM_256K 0x0007e000
c52399be 170#define PM_512K 0x000fe000
1da177e4 171#define PM_1M 0x001fe000
c52399be 172#define PM_2M 0x003fe000
1da177e4 173#define PM_4M 0x007fe000
c52399be 174#define PM_8M 0x00ffe000
1da177e4 175#define PM_16M 0x01ffe000
c52399be 176#define PM_32M 0x03ffe000
1da177e4
LT
177#define PM_64M 0x07ffe000
178#define PM_256M 0x1fffe000
542c1020 179#define PM_1G 0x7fffe000
1da177e4
LT
180
181#endif
182
183/*
184 * Default page size for a given kernel configuration
185 */
186#ifdef CONFIG_PAGE_SIZE_4KB
70342287 187#define PM_DEFAULT_MASK PM_4K
c52399be 188#elif defined(CONFIG_PAGE_SIZE_8KB)
70342287 189#define PM_DEFAULT_MASK PM_8K
1da177e4 190#elif defined(CONFIG_PAGE_SIZE_16KB)
70342287 191#define PM_DEFAULT_MASK PM_16K
c52399be 192#elif defined(CONFIG_PAGE_SIZE_32KB)
70342287 193#define PM_DEFAULT_MASK PM_32K
1da177e4 194#elif defined(CONFIG_PAGE_SIZE_64KB)
70342287 195#define PM_DEFAULT_MASK PM_64K
1da177e4
LT
196#else
197#error Bad page size configuration!
198#endif
199
dd794392
DD
200/*
201 * Default huge tlb size for a given kernel configuration
202 */
203#ifdef CONFIG_PAGE_SIZE_4KB
204#define PM_HUGE_MASK PM_1M
205#elif defined(CONFIG_PAGE_SIZE_8KB)
206#define PM_HUGE_MASK PM_4M
207#elif defined(CONFIG_PAGE_SIZE_16KB)
208#define PM_HUGE_MASK PM_16M
209#elif defined(CONFIG_PAGE_SIZE_32KB)
210#define PM_HUGE_MASK PM_64M
211#elif defined(CONFIG_PAGE_SIZE_64KB)
212#define PM_HUGE_MASK PM_256M
aa1762f4 213#elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
dd794392
DD
214#error Bad page size configuration for hugetlbfs!
215#endif
1da177e4
LT
216
217/*
218 * Values used for computation of new tlb entries
219 */
220#define PL_4K 12
221#define PL_16K 14
222#define PL_64K 16
223#define PL_256K 18
224#define PL_1M 20
225#define PL_4M 22
226#define PL_16M 24
227#define PL_64M 26
228#define PL_256M 28
229
9fe2e9d6
DD
230/*
231 * PageGrain bits
232 */
70342287
RB
233#define PG_RIE (_ULCAST_(1) << 31)
234#define PG_XIE (_ULCAST_(1) << 30)
235#define PG_ELPA (_ULCAST_(1) << 29)
236#define PG_ESP (_ULCAST_(1) << 28)
6575b1d4 237#define PG_IEC (_ULCAST_(1) << 27)
9fe2e9d6 238
bae637a2
JH
239/* MIPS32/64 EntryHI bit definitions */
240#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
9b5c3399
JH
241#define MIPS_ENTRYHI_ASIDX (_ULCAST_(0x3) << 8)
242#define MIPS_ENTRYHI_ASID (_ULCAST_(0xff) << 0)
bae637a2 243
1da177e4
LT
244/*
245 * R4x00 interrupt enable / cause bits
246 */
70342287
RB
247#define IE_SW0 (_ULCAST_(1) << 8)
248#define IE_SW1 (_ULCAST_(1) << 9)
249#define IE_IRQ0 (_ULCAST_(1) << 10)
250#define IE_IRQ1 (_ULCAST_(1) << 11)
251#define IE_IRQ2 (_ULCAST_(1) << 12)
252#define IE_IRQ3 (_ULCAST_(1) << 13)
253#define IE_IRQ4 (_ULCAST_(1) << 14)
254#define IE_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
255
256/*
257 * R4x00 interrupt cause bits
258 */
70342287
RB
259#define C_SW0 (_ULCAST_(1) << 8)
260#define C_SW1 (_ULCAST_(1) << 9)
261#define C_IRQ0 (_ULCAST_(1) << 10)
262#define C_IRQ1 (_ULCAST_(1) << 11)
263#define C_IRQ2 (_ULCAST_(1) << 12)
264#define C_IRQ3 (_ULCAST_(1) << 13)
265#define C_IRQ4 (_ULCAST_(1) << 14)
266#define C_IRQ5 (_ULCAST_(1) << 15)
1da177e4
LT
267
268/*
269 * Bitfields in the R4xx0 cp0 status register
270 */
271#define ST0_IE 0x00000001
272#define ST0_EXL 0x00000002
273#define ST0_ERL 0x00000004
274#define ST0_KSU 0x00000018
275# define KSU_USER 0x00000010
276# define KSU_SUPERVISOR 0x00000008
277# define KSU_KERNEL 0x00000000
278#define ST0_UX 0x00000020
279#define ST0_SX 0x00000040
70342287 280#define ST0_KX 0x00000080
1da177e4
LT
281#define ST0_DE 0x00010000
282#define ST0_CE 0x00020000
283
284/*
285 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
286 * cacheops in userspace. This bit exists only on RM7000 and RM9000
287 * processors.
288 */
289#define ST0_CO 0x08000000
290
291/*
292 * Bitfields in the R[23]000 cp0 status register.
293 */
70342287 294#define ST0_IEC 0x00000001
1da177e4
LT
295#define ST0_KUC 0x00000002
296#define ST0_IEP 0x00000004
297#define ST0_KUP 0x00000008
298#define ST0_IEO 0x00000010
299#define ST0_KUO 0x00000020
300/* bits 6 & 7 are reserved on R[23]000 */
301#define ST0_ISC 0x00010000
302#define ST0_SWC 0x00020000
303#define ST0_CM 0x00080000
304
305/*
306 * Bits specific to the R4640/R4650
307 */
70342287 308#define ST0_UM (_ULCAST_(1) << 4)
1da177e4
LT
309#define ST0_IL (_ULCAST_(1) << 23)
310#define ST0_DL (_ULCAST_(1) << 24)
311
e50c0a8f 312/*
3301edcb 313 * Enable the MIPS MDMX and DSP ASEs
e50c0a8f
RB
314 */
315#define ST0_MX 0x01000000
316
1da177e4
LT
317/*
318 * Status register bits available in all MIPS CPUs.
319 */
320#define ST0_IM 0x0000ff00
70342287
RB
321#define STATUSB_IP0 8
322#define STATUSF_IP0 (_ULCAST_(1) << 8)
323#define STATUSB_IP1 9
324#define STATUSF_IP1 (_ULCAST_(1) << 9)
325#define STATUSB_IP2 10
326#define STATUSF_IP2 (_ULCAST_(1) << 10)
327#define STATUSB_IP3 11
328#define STATUSF_IP3 (_ULCAST_(1) << 11)
329#define STATUSB_IP4 12
330#define STATUSF_IP4 (_ULCAST_(1) << 12)
331#define STATUSB_IP5 13
332#define STATUSF_IP5 (_ULCAST_(1) << 13)
333#define STATUSB_IP6 14
334#define STATUSF_IP6 (_ULCAST_(1) << 14)
335#define STATUSB_IP7 15
336#define STATUSF_IP7 (_ULCAST_(1) << 15)
337#define STATUSB_IP8 0
338#define STATUSF_IP8 (_ULCAST_(1) << 0)
339#define STATUSB_IP9 1
340#define STATUSF_IP9 (_ULCAST_(1) << 1)
341#define STATUSB_IP10 2
342#define STATUSF_IP10 (_ULCAST_(1) << 2)
343#define STATUSB_IP11 3
344#define STATUSF_IP11 (_ULCAST_(1) << 3)
345#define STATUSB_IP12 4
346#define STATUSF_IP12 (_ULCAST_(1) << 4)
347#define STATUSB_IP13 5
348#define STATUSF_IP13 (_ULCAST_(1) << 5)
349#define STATUSB_IP14 6
350#define STATUSF_IP14 (_ULCAST_(1) << 6)
351#define STATUSB_IP15 7
352#define STATUSF_IP15 (_ULCAST_(1) << 7)
1da177e4 353#define ST0_CH 0x00040000
96ffa02d 354#define ST0_NMI 0x00080000
1da177e4
LT
355#define ST0_SR 0x00100000
356#define ST0_TS 0x00200000
357#define ST0_BEV 0x00400000
358#define ST0_RE 0x02000000
359#define ST0_FR 0x04000000
360#define ST0_CU 0xf0000000
361#define ST0_CU0 0x10000000
362#define ST0_CU1 0x20000000
363#define ST0_CU2 0x40000000
364#define ST0_CU3 0x80000000
365#define ST0_XX 0x80000000 /* MIPS IV naming */
366
010c108d
DV
367/*
368 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
010c108d 369 */
9323f84f
JH
370#define INTCTLB_IPFDC 23
371#define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
010c108d
DV
372#define INTCTLB_IPPCI 26
373#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
374#define INTCTLB_IPTI 29
375#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
376
1da177e4
LT
377/*
378 * Bitfields and bit numbers in the coprocessor 0 cause register.
379 *
380 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
381 */
1054533a
MR
382#define CAUSEB_EXCCODE 2
383#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
384#define CAUSEB_IP 8
385#define CAUSEF_IP (_ULCAST_(255) << 8)
70342287
RB
386#define CAUSEB_IP0 8
387#define CAUSEF_IP0 (_ULCAST_(1) << 8)
388#define CAUSEB_IP1 9
389#define CAUSEF_IP1 (_ULCAST_(1) << 9)
390#define CAUSEB_IP2 10
391#define CAUSEF_IP2 (_ULCAST_(1) << 10)
392#define CAUSEB_IP3 11
393#define CAUSEF_IP3 (_ULCAST_(1) << 11)
394#define CAUSEB_IP4 12
395#define CAUSEF_IP4 (_ULCAST_(1) << 12)
396#define CAUSEB_IP5 13
397#define CAUSEF_IP5 (_ULCAST_(1) << 13)
398#define CAUSEB_IP6 14
399#define CAUSEF_IP6 (_ULCAST_(1) << 14)
400#define CAUSEB_IP7 15
401#define CAUSEF_IP7 (_ULCAST_(1) << 15)
1054533a
MR
402#define CAUSEB_FDCI 21
403#define CAUSEF_FDCI (_ULCAST_(1) << 21)
e233c733
JH
404#define CAUSEB_WP 22
405#define CAUSEF_WP (_ULCAST_(1) << 22)
1054533a
MR
406#define CAUSEB_IV 23
407#define CAUSEF_IV (_ULCAST_(1) << 23)
408#define CAUSEB_PCI 26
409#define CAUSEF_PCI (_ULCAST_(1) << 26)
9fd4af63
JH
410#define CAUSEB_DC 27
411#define CAUSEF_DC (_ULCAST_(1) << 27)
1054533a
MR
412#define CAUSEB_CE 28
413#define CAUSEF_CE (_ULCAST_(3) << 28)
414#define CAUSEB_TI 30
415#define CAUSEF_TI (_ULCAST_(1) << 30)
416#define CAUSEB_BD 31
417#define CAUSEF_BD (_ULCAST_(1) << 31)
1da177e4 418
16d100db
JH
419/*
420 * Cause.ExcCode trap codes.
421 */
422#define EXCCODE_INT 0 /* Interrupt pending */
423#define EXCCODE_MOD 1 /* TLB modified fault */
424#define EXCCODE_TLBL 2 /* TLB miss on load or ifetch */
425#define EXCCODE_TLBS 3 /* TLB miss on a store */
426#define EXCCODE_ADEL 4 /* Address error on a load or ifetch */
427#define EXCCODE_ADES 5 /* Address error on a store */
428#define EXCCODE_IBE 6 /* Bus error on an ifetch */
429#define EXCCODE_DBE 7 /* Bus error on a load or store */
430#define EXCCODE_SYS 8 /* System call */
431#define EXCCODE_BP 9 /* Breakpoint */
432#define EXCCODE_RI 10 /* Reserved instruction exception */
433#define EXCCODE_CPU 11 /* Coprocessor unusable */
434#define EXCCODE_OV 12 /* Arithmetic overflow */
435#define EXCCODE_TR 13 /* Trap instruction */
16d100db
JH
436#define EXCCODE_MSAFPE 14 /* MSA floating point exception */
437#define EXCCODE_FPE 15 /* Floating point exception */
044c9bb8
JH
438#define EXCCODE_TLBRI 19 /* TLB Read-Inhibit exception */
439#define EXCCODE_TLBXI 20 /* TLB Execution-Inhibit exception */
16d100db 440#define EXCCODE_MSADIS 21 /* MSA disabled exception */
044c9bb8 441#define EXCCODE_MDMX 22 /* MDMX unusable exception */
16d100db 442#define EXCCODE_WATCH 23 /* Watch address reference */
044c9bb8
JH
443#define EXCCODE_MCHECK 24 /* Machine check */
444#define EXCCODE_THREAD 25 /* Thread exceptions (MT) */
445#define EXCCODE_DSPDIS 26 /* DSP disabled exception */
446#define EXCCODE_GE 27 /* Virtualized guest exception (VZ) */
447
448/* Implementation specific trap codes used by MIPS cores */
449#define MIPS_EXCCODE_TLBPAR 16 /* TLB parity error exception */
16d100db 450
1da177e4
LT
451/*
452 * Bits in the coprocessor 0 config register.
453 */
454/* Generic bits. */
455#define CONF_CM_CACHABLE_NO_WA 0
456#define CONF_CM_CACHABLE_WA 1
457#define CONF_CM_UNCACHED 2
458#define CONF_CM_CACHABLE_NONCOHERENT 3
459#define CONF_CM_CACHABLE_CE 4
460#define CONF_CM_CACHABLE_COW 5
461#define CONF_CM_CACHABLE_CUW 6
462#define CONF_CM_CACHABLE_ACCELERATED 7
463#define CONF_CM_CMASK 7
464#define CONF_BE (_ULCAST_(1) << 15)
465
466/* Bits common to various processors. */
70342287
RB
467#define CONF_CU (_ULCAST_(1) << 3)
468#define CONF_DB (_ULCAST_(1) << 4)
469#define CONF_IB (_ULCAST_(1) << 5)
470#define CONF_DC (_ULCAST_(7) << 6)
471#define CONF_IC (_ULCAST_(7) << 9)
1da177e4
LT
472#define CONF_EB (_ULCAST_(1) << 13)
473#define CONF_EM (_ULCAST_(1) << 14)
474#define CONF_SM (_ULCAST_(1) << 16)
475#define CONF_SC (_ULCAST_(1) << 17)
476#define CONF_EW (_ULCAST_(3) << 18)
477#define CONF_EP (_ULCAST_(15)<< 24)
478#define CONF_EC (_ULCAST_(7) << 28)
479#define CONF_CM (_ULCAST_(1) << 31)
480
70342287 481/* Bits specific to the R4xx0. */
1da177e4
LT
482#define R4K_CONF_SW (_ULCAST_(1) << 20)
483#define R4K_CONF_SS (_ULCAST_(1) << 21)
e20368d5 484#define R4K_CONF_SB (_ULCAST_(3) << 22)
1da177e4 485
70342287 486/* Bits specific to the R5000. */
1da177e4
LT
487#define R5K_CONF_SE (_ULCAST_(1) << 12)
488#define R5K_CONF_SS (_ULCAST_(3) << 20)
489
70342287
RB
490/* Bits specific to the RM7000. */
491#define RM7K_CONF_SE (_ULCAST_(1) << 3)
c6ad7b7d
MR
492#define RM7K_CONF_TE (_ULCAST_(1) << 12)
493#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
494#define RM7K_CONF_TC (_ULCAST_(1) << 17)
495#define RM7K_CONF_SI (_ULCAST_(3) << 20)
496#define RM7K_CONF_SC (_ULCAST_(1) << 31)
ba5187db 497
70342287
RB
498/* Bits specific to the R10000. */
499#define R10K_CONF_DN (_ULCAST_(3) << 3)
500#define R10K_CONF_CT (_ULCAST_(1) << 5)
501#define R10K_CONF_PE (_ULCAST_(1) << 6)
502#define R10K_CONF_PM (_ULCAST_(3) << 7)
503#define R10K_CONF_EC (_ULCAST_(15)<< 9)
1da177e4
LT
504#define R10K_CONF_SB (_ULCAST_(1) << 13)
505#define R10K_CONF_SK (_ULCAST_(1) << 14)
506#define R10K_CONF_SS (_ULCAST_(7) << 16)
507#define R10K_CONF_SC (_ULCAST_(7) << 19)
508#define R10K_CONF_DC (_ULCAST_(7) << 26)
509#define R10K_CONF_IC (_ULCAST_(7) << 29)
510
70342287 511/* Bits specific to the VR41xx. */
1da177e4 512#define VR41_CONF_CS (_ULCAST_(1) << 12)
2874fe55 513#define VR41_CONF_P4K (_ULCAST_(1) << 13)
4e8ab361 514#define VR41_CONF_BP (_ULCAST_(1) << 16)
1da177e4
LT
515#define VR41_CONF_M16 (_ULCAST_(1) << 20)
516#define VR41_CONF_AD (_ULCAST_(1) << 23)
517
70342287 518/* Bits specific to the R30xx. */
1da177e4
LT
519#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
520#define R30XX_CONF_REV (_ULCAST_(1) << 22)
521#define R30XX_CONF_AC (_ULCAST_(1) << 23)
522#define R30XX_CONF_RF (_ULCAST_(1) << 24)
523#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
524#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
525#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
526#define R30XX_CONF_SB (_ULCAST_(1) << 30)
527#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
528
529/* Bits specific to the TX49. */
530#define TX49_CONF_DC (_ULCAST_(1) << 16)
531#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
532#define TX49_CONF_HALT (_ULCAST_(1) << 18)
533#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
534
70342287
RB
535/* Bits specific to the MIPS32/64 PRA. */
536#define MIPS_CONF_MT (_ULCAST_(7) << 7)
2f6f3136
JH
537#define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7)
538#define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
1da177e4
LT
539#define MIPS_CONF_AR (_ULCAST_(7) << 10)
540#define MIPS_CONF_AT (_ULCAST_(3) << 13)
541#define MIPS_CONF_M (_ULCAST_(1) << 31)
542
4194318c
RB
543/*
544 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
545 */
70342287
RB
546#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
547#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
548#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
549#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
550#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
551#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
552#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
553#define MIPS_CONF1_DA_SHF 7
554#define MIPS_CONF1_DA_SZ 3
70342287 555#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
556#define MIPS_CONF1_DL_SHF 10
557#define MIPS_CONF1_DL_SZ 3
4194318c 558#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
559#define MIPS_CONF1_DS_SHF 13
560#define MIPS_CONF1_DS_SZ 3
4194318c 561#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
562#define MIPS_CONF1_IA_SHF 16
563#define MIPS_CONF1_IA_SZ 3
4194318c 564#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
565#define MIPS_CONF1_IL_SHF 19
566#define MIPS_CONF1_IL_SZ 3
4194318c 567#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
568#define MIPS_CONF1_IS_SHF 22
569#define MIPS_CONF1_IS_SZ 3
4194318c 570#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
571#define MIPS_CONF1_TLBS_SHIFT (25)
572#define MIPS_CONF1_TLBS_SIZE (6)
573#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 574
70342287
RB
575#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
576#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
577#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
578#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
579#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
580#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
581#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
582#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
583
70342287
RB
584#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
585#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
586#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 587#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
588#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
589#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
590#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
591#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
592#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
593#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 594#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 595#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 596#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 597#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 598#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 599#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
600#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
601#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
602#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 603#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
604#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
605#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
606#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
607#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
608#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
609#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
610#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
611
612#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 613#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba 614#define MIPS_CONF4_FTLBSETS_SHIFT (0)
691038ba
LY
615#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
616#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
617#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
618#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
619/* bits 10:8 in FTLB-only configurations */
620#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
621/* bits 12:8 in VTLB-FTLB only configurations */
622#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
1b362e3e
DD
623#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
624#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
691038ba
LY
625#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
626#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
9e575f75
JH
627#define MIPS_CONF4_KSCREXIST_SHIFT (16)
628#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT)
691038ba
LY
629#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
630#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
631#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
632#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
633#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
1b362e3e 634
2f9ee82c
RB
635#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
636#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
e19d5dba 637#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
5aed9da1 638#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
23d06e4f 639#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
f270d881 640#define MIPS_CONF5_VP (_ULCAST_(1) << 7)
5ff04a84
PB
641#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
642#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
643#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
644#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
645#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
646#define MIPS_CONF5_K (_ULCAST_(1) << 30)
647
006a851b 648#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
649/* proAptiv FTLB on/off bit */
650#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
b2edcfc8
HC
651/* Loongson-3 FTLB on/off bit */
652#define MIPS_CONF6_FTLBDIS (_ULCAST_(1) << 22)
cf0a8aa0
MC
653/* FTLB probability bits */
654#define MIPS_CONF6_FTLBP_SHIFT (16)
006a851b 655
4b3e975e
RB
656#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
657
9267a30d
MSJ
658#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
659
02dc6bfb
MC
660#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
661#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
20a7f7e5
MC
662/* FTLB probability bits for R6 */
663#define MIPS_CONF7_FTLBP_SHIFT (18)
02dc6bfb 664
50af501c
JH
665/* WatchLo* register definitions */
666#define MIPS_WATCHLO_IRW (_ULCAST_(0x7) << 0)
667
668/* WatchHi* register definitions */
669#define MIPS_WATCHHI_M (_ULCAST_(1) << 31)
670#define MIPS_WATCHHI_G (_ULCAST_(1) << 30)
671#define MIPS_WATCHHI_WM (_ULCAST_(0x3) << 28)
672#define MIPS_WATCHHI_WM_R_RVA (_ULCAST_(0) << 28)
673#define MIPS_WATCHHI_WM_R_GPA (_ULCAST_(1) << 28)
674#define MIPS_WATCHHI_WM_G_GVA (_ULCAST_(2) << 28)
675#define MIPS_WATCHHI_EAS (_ULCAST_(0x3) << 24)
676#define MIPS_WATCHHI_ASID (_ULCAST_(0xff) << 16)
677#define MIPS_WATCHHI_MASK (_ULCAST_(0x1ff) << 3)
678#define MIPS_WATCHHI_I (_ULCAST_(1) << 2)
679#define MIPS_WATCHHI_R (_ULCAST_(1) << 1)
680#define MIPS_WATCHHI_W (_ULCAST_(1) << 0)
681#define MIPS_WATCHHI_IRW (_ULCAST_(0x7) << 0)
682
e19d5dba
PB
683/* MAAR bit definitions */
684#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
685#define MIPS_MAAR_ADDR_SHIFT 12
686#define MIPS_MAAR_S (_ULCAST_(1) << 1)
687#define MIPS_MAAR_V (_ULCAST_(1) << 0)
688
37af2f30
JH
689/* EBase bit definitions */
690#define MIPS_EBASE_CPUNUM_SHIFT 0
691#define MIPS_EBASE_CPUNUM (_ULCAST_(0x3ff) << 0)
692#define MIPS_EBASE_WG_SHIFT 11
693#define MIPS_EBASE_WG (_ULCAST_(1) << 11)
694#define MIPS_EBASE_BASE_SHIFT 12
695#define MIPS_EBASE_BASE (~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1))
696
4dd8ee5d
PB
697/* CMGCRBase bit definitions */
698#define MIPS_CMGCRB_BASE 11
699#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
700
4a0156fb
SH
701/*
702 * Bits in the MIPS32 Memory Segmentation registers.
703 */
704#define MIPS_SEGCFG_PA_SHIFT 9
705#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
706#define MIPS_SEGCFG_AM_SHIFT 4
707#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
708#define MIPS_SEGCFG_EU_SHIFT 3
709#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
710#define MIPS_SEGCFG_C_SHIFT 0
711#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
712
713#define MIPS_SEGCFG_UUSK _ULCAST_(7)
714#define MIPS_SEGCFG_USK _ULCAST_(5)
715#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
716#define MIPS_SEGCFG_MUSK _ULCAST_(3)
717#define MIPS_SEGCFG_MSK _ULCAST_(2)
718#define MIPS_SEGCFG_MK _ULCAST_(1)
719#define MIPS_SEGCFG_UK _ULCAST_(0)
720
87d08bc9
MC
721#define MIPS_PWFIELD_GDI_SHIFT 24
722#define MIPS_PWFIELD_GDI_MASK 0x3f000000
723#define MIPS_PWFIELD_UDI_SHIFT 18
724#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
725#define MIPS_PWFIELD_MDI_SHIFT 12
726#define MIPS_PWFIELD_MDI_MASK 0x0003f000
727#define MIPS_PWFIELD_PTI_SHIFT 6
728#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
729#define MIPS_PWFIELD_PTEI_SHIFT 0
730#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
731
6446e6cf
JH
732#define MIPS_PWSIZE_PS_SHIFT 30
733#define MIPS_PWSIZE_PS_MASK 0x40000000
87d08bc9
MC
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
6446e6cf
JH
747#define MIPS_PWCTL_XK_SHIFT 28
748#define MIPS_PWCTL_XK_MASK 0x10000000
749#define MIPS_PWCTL_XS_SHIFT 27
750#define MIPS_PWCTL_XS_MASK 0x08000000
751#define MIPS_PWCTL_XU_SHIFT 26
752#define MIPS_PWCTL_XU_MASK 0x04000000
87d08bc9
MC
753#define MIPS_PWCTL_DPH_SHIFT 7
754#define MIPS_PWCTL_DPH_MASK 0x00000080
755#define MIPS_PWCTL_HUGEPG_SHIFT 6
756#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
757#define MIPS_PWCTL_PSN_SHIFT 0
758#define MIPS_PWCTL_PSN_MASK 0x0000003f
759
f913e9ea
JH
760/* GuestCtl0 fields */
761#define MIPS_GCTL0_GM_SHIFT 31
762#define MIPS_GCTL0_GM (_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT)
763#define MIPS_GCTL0_RI_SHIFT 30
764#define MIPS_GCTL0_RI (_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT)
765#define MIPS_GCTL0_MC_SHIFT 29
766#define MIPS_GCTL0_MC (_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT)
767#define MIPS_GCTL0_CP0_SHIFT 28
768#define MIPS_GCTL0_CP0 (_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT)
769#define MIPS_GCTL0_AT_SHIFT 26
770#define MIPS_GCTL0_AT (_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT)
771#define MIPS_GCTL0_GT_SHIFT 25
772#define MIPS_GCTL0_GT (_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT)
773#define MIPS_GCTL0_CG_SHIFT 24
774#define MIPS_GCTL0_CG (_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT)
775#define MIPS_GCTL0_CF_SHIFT 23
776#define MIPS_GCTL0_CF (_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT)
777#define MIPS_GCTL0_G1_SHIFT 22
778#define MIPS_GCTL0_G1 (_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT)
779#define MIPS_GCTL0_G0E_SHIFT 19
780#define MIPS_GCTL0_G0E (_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT)
781#define MIPS_GCTL0_PT_SHIFT 18
782#define MIPS_GCTL0_PT (_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT)
783#define MIPS_GCTL0_RAD_SHIFT 9
784#define MIPS_GCTL0_RAD (_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT)
785#define MIPS_GCTL0_DRG_SHIFT 8
786#define MIPS_GCTL0_DRG (_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT)
787#define MIPS_GCTL0_G2_SHIFT 7
788#define MIPS_GCTL0_G2 (_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT)
789#define MIPS_GCTL0_GEXC_SHIFT 2
790#define MIPS_GCTL0_GEXC (_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT)
791#define MIPS_GCTL0_SFC2_SHIFT 1
792#define MIPS_GCTL0_SFC2 (_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT)
793#define MIPS_GCTL0_SFC1_SHIFT 0
794#define MIPS_GCTL0_SFC1 (_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT)
795
796/* GuestCtl0.AT Guest address translation control */
797#define MIPS_GCTL0_AT_ROOT 1 /* Guest MMU under Root control */
798#define MIPS_GCTL0_AT_GUEST 3 /* Guest MMU under Guest control */
799
800/* GuestCtl0.GExcCode Hypervisor exception cause codes */
801#define MIPS_GCTL0_GEXC_GPSI 0 /* Guest Privileged Sensitive Instruction */
802#define MIPS_GCTL0_GEXC_GSFC 1 /* Guest Software Field Change */
803#define MIPS_GCTL0_GEXC_HC 2 /* Hypercall */
804#define MIPS_GCTL0_GEXC_GRR 3 /* Guest Reserved Instruction Redirect */
805#define MIPS_GCTL0_GEXC_GVA 8 /* Guest Virtual Address available */
806#define MIPS_GCTL0_GEXC_GHFC 9 /* Guest Hardware Field Change */
807#define MIPS_GCTL0_GEXC_GPA 10 /* Guest Physical Address available */
808
809/* GuestCtl0Ext fields */
810#define MIPS_GCTL0EXT_RPW_SHIFT 8
811#define MIPS_GCTL0EXT_RPW (_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT)
812#define MIPS_GCTL0EXT_NCC_SHIFT 6
813#define MIPS_GCTL0EXT_NCC (_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT)
814#define MIPS_GCTL0EXT_CGI_SHIFT 4
815#define MIPS_GCTL0EXT_CGI (_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT)
816#define MIPS_GCTL0EXT_FCD_SHIFT 3
817#define MIPS_GCTL0EXT_FCD (_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT)
818#define MIPS_GCTL0EXT_OG_SHIFT 2
819#define MIPS_GCTL0EXT_OG (_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT)
820#define MIPS_GCTL0EXT_BG_SHIFT 1
821#define MIPS_GCTL0EXT_BG (_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT)
822#define MIPS_GCTL0EXT_MG_SHIFT 0
823#define MIPS_GCTL0EXT_MG (_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT)
824
825/* GuestCtl0Ext.RPW Root page walk configuration */
826#define MIPS_GCTL0EXT_RPW_BOTH 0 /* Root PW for GPA->RPA and RVA->RPA */
827#define MIPS_GCTL0EXT_RPW_GPA 2 /* Root PW for GPA->RPA */
828#define MIPS_GCTL0EXT_RPW_RVA 3 /* Root PW for RVA->RPA */
829
830/* GuestCtl0Ext.NCC Nested cache coherency attributes */
831#define MIPS_GCTL0EXT_NCC_IND 0 /* Guest CCA independent of Root CCA */
832#define MIPS_GCTL0EXT_NCC_MOD 1 /* Guest CCA modified by Root CCA */
833
834/* GuestCtl1 fields */
835#define MIPS_GCTL1_ID_SHIFT 0
836#define MIPS_GCTL1_ID_WIDTH 8
837#define MIPS_GCTL1_ID (_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT)
838#define MIPS_GCTL1_RID_SHIFT 16
839#define MIPS_GCTL1_RID_WIDTH 8
840#define MIPS_GCTL1_RID (_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT)
841#define MIPS_GCTL1_EID_SHIFT 24
842#define MIPS_GCTL1_EID_WIDTH 8
843#define MIPS_GCTL1_EID (_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT)
844
845/* GuestID reserved for root context */
846#define MIPS_GCTL1_ROOT_GUESTID 0
847
9b3274bd
JH
848/* CDMMBase register bit definitions */
849#define MIPS_CDMMBASE_SIZE_SHIFT 0
850#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
851#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
852#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
853#define MIPS_CDMMBASE_ADDR_SHIFT 11
854#define MIPS_CDMMBASE_ADDR_START 15
855
aff565aa
JH
856/* RDHWR register numbers */
857#define MIPS_HWR_CPUNUM 0 /* CPU number */
858#define MIPS_HWR_SYNCISTEP 1 /* SYNCI step size */
859#define MIPS_HWR_CC 2 /* Cycle counter */
860#define MIPS_HWR_CCRES 3 /* Cycle counter resolution */
861#define MIPS_HWR_ULR 29 /* UserLocal */
862#define MIPS_HWR_IMPL1 30 /* Implementation dependent */
863#define MIPS_HWR_IMPL2 31 /* Implementation dependent */
864
865/* Bits in HWREna register */
866#define MIPS_HWRENA_CPUNUM (_ULCAST_(1) << MIPS_HWR_CPUNUM)
867#define MIPS_HWRENA_SYNCISTEP (_ULCAST_(1) << MIPS_HWR_SYNCISTEP)
868#define MIPS_HWRENA_CC (_ULCAST_(1) << MIPS_HWR_CC)
869#define MIPS_HWRENA_CCRES (_ULCAST_(1) << MIPS_HWR_CCRES)
870#define MIPS_HWRENA_ULR (_ULCAST_(1) << MIPS_HWR_ULR)
871#define MIPS_HWRENA_IMPL1 (_ULCAST_(1) << MIPS_HWR_IMPL1)
872#define MIPS_HWRENA_IMPL2 (_ULCAST_(1) << MIPS_HWR_IMPL2)
873
e08384ca
MR
874/*
875 * Bitfields in the TX39 family CP0 Configuration Register 3
876 */
877#define TX39_CONF_ICS_SHIFT 19
878#define TX39_CONF_ICS_MASK 0x00380000
879#define TX39_CONF_ICS_1KB 0x00000000
880#define TX39_CONF_ICS_2KB 0x00080000
881#define TX39_CONF_ICS_4KB 0x00100000
882#define TX39_CONF_ICS_8KB 0x00180000
883#define TX39_CONF_ICS_16KB 0x00200000
884
885#define TX39_CONF_DCS_SHIFT 16
886#define TX39_CONF_DCS_MASK 0x00070000
887#define TX39_CONF_DCS_1KB 0x00000000
888#define TX39_CONF_DCS_2KB 0x00010000
889#define TX39_CONF_DCS_4KB 0x00020000
890#define TX39_CONF_DCS_8KB 0x00030000
891#define TX39_CONF_DCS_16KB 0x00040000
892
893#define TX39_CONF_CWFON 0x00004000
894#define TX39_CONF_WBON 0x00002000
895#define TX39_CONF_RF_SHIFT 10
896#define TX39_CONF_RF_MASK 0x00000c00
897#define TX39_CONF_DOZE 0x00000200
898#define TX39_CONF_HALT 0x00000100
899#define TX39_CONF_LOCK 0x00000080
900#define TX39_CONF_ICE 0x00000020
901#define TX39_CONF_DCE 0x00000010
902#define TX39_CONF_IRSIZE_SHIFT 2
903#define TX39_CONF_IRSIZE_MASK 0x0000000c
904#define TX39_CONF_DRSIZE_SHIFT 0
905#define TX39_CONF_DRSIZE_MASK 0x00000003
906
8d5ded16
JK
907/*
908 * Interesting Bits in the R10K CP0 Branch Diagnostic Register
909 */
910/* Disable Branch Target Address Cache */
911#define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27)
912/* Enable Branch Prediction Global History */
913#define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26)
914/* Disable Branch Return Cache */
915#define R10K_DIAG_D_BRC (_ULCAST_(1) << 22)
fda51906 916
06e4814e
HC
917/* Flush ITLB */
918#define LOONGSON_DIAG_ITLB (_ULCAST_(1) << 2)
919/* Flush DTLB */
920#define LOONGSON_DIAG_DTLB (_ULCAST_(1) << 3)
921/* Flush VTLB */
922#define LOONGSON_DIAG_VTLB (_ULCAST_(1) << 12)
923/* Flush FTLB */
924#define LOONGSON_DIAG_FTLB (_ULCAST_(1) << 13)
925
fda51906
MR
926/*
927 * Coprocessor 1 (FPU) register names
928 */
c491cfa2
MR
929#define CP1_REVISION $0
930#define CP1_UFR $1
931#define CP1_UNFR $4
932#define CP1_FCCR $25
933#define CP1_FEXR $26
934#define CP1_FENR $28
935#define CP1_STATUS $31
fda51906
MR
936
937
938/*
939 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
940 */
941#define MIPS_FPIR_S (_ULCAST_(1) << 16)
942#define MIPS_FPIR_D (_ULCAST_(1) << 17)
943#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
944#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
945#define MIPS_FPIR_W (_ULCAST_(1) << 20)
946#define MIPS_FPIR_L (_ULCAST_(1) << 21)
947#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
f1f3b7eb
MR
948#define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
949#define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
fda51906
MR
950#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
951
c491cfa2
MR
952/*
953 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
954 */
955#define MIPS_FCCR_CONDX_S 0
956#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
957#define MIPS_FCCR_COND0_S 0
958#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
959#define MIPS_FCCR_COND1_S 1
960#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
961#define MIPS_FCCR_COND2_S 2
962#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
963#define MIPS_FCCR_COND3_S 3
964#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
965#define MIPS_FCCR_COND4_S 4
966#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
967#define MIPS_FCCR_COND5_S 5
968#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
969#define MIPS_FCCR_COND6_S 6
970#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
971#define MIPS_FCCR_COND7_S 7
972#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
973
974/*
975 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
976 */
977#define MIPS_FENR_FS_S 2
978#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
979
fda51906
MR
980/*
981 * FPU Status Register Values
982 */
c491cfa2
MR
983#define FPU_CSR_COND_S 23 /* $fcc0 */
984#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
985
986#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
987#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
988
989#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
990#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
991#define FPU_CSR_COND1_S 25 /* $fcc1 */
992#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
993#define FPU_CSR_COND2_S 26 /* $fcc2 */
994#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
995#define FPU_CSR_COND3_S 27 /* $fcc3 */
996#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
997#define FPU_CSR_COND4_S 28 /* $fcc4 */
998#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
999#define FPU_CSR_COND5_S 29 /* $fcc5 */
1000#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
1001#define FPU_CSR_COND6_S 30 /* $fcc6 */
1002#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
1003#define FPU_CSR_COND7_S 31 /* $fcc7 */
1004#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
fda51906
MR
1005
1006/*
f1f3b7eb 1007 * Bits 22:20 of the FPU Status Register will be read as 0,
fda51906
MR
1008 * and should be written as zero.
1009 */
f1f3b7eb
MR
1010#define FPU_CSR_RSVD (_ULCAST_(7) << 20)
1011
1012#define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
1013#define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
fda51906
MR
1014
1015/*
1016 * X the exception cause indicator
1017 * E the exception enable
1018 * S the sticky/flag bit
1019*/
1020#define FPU_CSR_ALL_X 0x0003f000
1021#define FPU_CSR_UNI_X 0x00020000
1022#define FPU_CSR_INV_X 0x00010000
1023#define FPU_CSR_DIV_X 0x00008000
1024#define FPU_CSR_OVF_X 0x00004000
1025#define FPU_CSR_UDF_X 0x00002000
1026#define FPU_CSR_INE_X 0x00001000
1027
1028#define FPU_CSR_ALL_E 0x00000f80
1029#define FPU_CSR_INV_E 0x00000800
1030#define FPU_CSR_DIV_E 0x00000400
1031#define FPU_CSR_OVF_E 0x00000200
1032#define FPU_CSR_UDF_E 0x00000100
1033#define FPU_CSR_INE_E 0x00000080
1034
1035#define FPU_CSR_ALL_S 0x0000007c
1036#define FPU_CSR_INV_S 0x00000040
1037#define FPU_CSR_DIV_S 0x00000020
1038#define FPU_CSR_OVF_S 0x00000010
1039#define FPU_CSR_UDF_S 0x00000008
1040#define FPU_CSR_INE_S 0x00000004
1041
1042/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
1043#define FPU_CSR_RM 0x00000003
1044#define FPU_CSR_RN 0x0 /* nearest */
1045#define FPU_CSR_RZ 0x1 /* towards zero */
1046#define FPU_CSR_RU 0x2 /* towards +Infinity */
1047#define FPU_CSR_RD 0x3 /* towards -Infinity */
1048
1049
1da177e4
LT
1050#ifndef __ASSEMBLY__
1051
bfd08baa 1052/*
377cb1b6 1053 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 1054 */
377cb1b6
RB
1055#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
1056 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
1057#define get_isa16_mode(x) ((x) & 0x1)
1058#define msk_isa16_mode(x) ((x) & ~0x1)
1059#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
1060#else
1061#define get_isa16_mode(x) 0
1062#define msk_isa16_mode(x) (x)
1063#define set_isa16_mode(x) do { } while(0)
1064#endif
bfd08baa
SH
1065
1066/*
1067 * microMIPS instructions can be 16-bit or 32-bit in length. This
1068 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
1069 */
1070static inline int mm_insn_16bit(u16 insn)
1071{
1072 u16 opcode = (insn >> 10) & 0x7;
1073
1074 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
1075}
1076
0dfa1c12
JH
1077/*
1078 * Helper macros for generating raw instruction encodings in inline asm.
1079 */
1080#ifdef CONFIG_CPU_MICROMIPS
1081#define _ASM_INSN16_IF_MM(_enc) \
1082 ".insn\n\t" \
1083 ".hword (" #_enc ")\n\t"
1084#define _ASM_INSN32_IF_MM(_enc) \
1085 ".insn\n\t" \
1086 ".hword ((" #_enc ") >> 16)\n\t" \
1087 ".hword ((" #_enc ") & 0xffff)\n\t"
1088#else
1089#define _ASM_INSN_IF_MIPS(_enc) \
1090 ".insn\n\t" \
1091 ".word (" #_enc ")\n\t"
1092#endif
1093
1094#ifndef _ASM_INSN16_IF_MM
1095#define _ASM_INSN16_IF_MM(_enc)
1096#endif
1097#ifndef _ASM_INSN32_IF_MM
1098#define _ASM_INSN32_IF_MM(_enc)
1099#endif
1100#ifndef _ASM_INSN_IF_MIPS
1101#define _ASM_INSN_IF_MIPS(_enc)
1102#endif
1103
198bb4ce
LY
1104/*
1105 * TLB Invalidate Flush
1106 */
1107static inline void tlbinvf(void)
1108{
1109 __asm__ __volatile__(
1110 ".set push\n\t"
1111 ".set noreorder\n\t"
c84700cc
JH
1112 "# tlbinvf\n\t"
1113 _ASM_INSN_IF_MIPS(0x42000004)
1114 _ASM_INSN32_IF_MM(0x0000537c)
198bb4ce
LY
1115 ".set pop");
1116}
1117
1118
1da177e4 1119/*
70342287 1120 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
1121 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
1122 * performance counter number encoded into bits 1 ... 5 of the instruction.
1123 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
1124 * disassembler these will look like an access to sel 0 or 1.
1125 */
1126#define read_r10k_perf_cntr(counter) \
1127({ \
1128 unsigned int __res; \
1129 __asm__ __volatile__( \
1130 "mfpc\t%0, %1" \
70342287 1131 : "=r" (__res) \
1da177e4
LT
1132 : "i" (counter)); \
1133 \
70342287 1134 __res; \
1da177e4
LT
1135})
1136
70342287 1137#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
1138do { \
1139 __asm__ __volatile__( \
1140 "mtpc\t%0, %1" \
1141 : \
1142 : "r" (val), "i" (counter)); \
1143} while (0)
1144
1145#define read_r10k_perf_event(counter) \
1146({ \
1147 unsigned int __res; \
1148 __asm__ __volatile__( \
1149 "mfps\t%0, %1" \
70342287 1150 : "=r" (__res) \
1da177e4
LT
1151 : "i" (counter)); \
1152 \
70342287 1153 __res; \
1da177e4
LT
1154})
1155
70342287 1156#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
1157do { \
1158 __asm__ __volatile__( \
1159 "mtps\t%0, %1" \
1160 : \
1161 : "r" (val), "i" (counter)); \
1162} while (0)
1163
1164
1165/*
1166 * Macros to access the system control coprocessor
1167 */
1168
1169#define __read_32bit_c0_register(source, sel) \
82eb8f73 1170({ unsigned int __res; \
1da177e4
LT
1171 if (sel == 0) \
1172 __asm__ __volatile__( \
1173 "mfc0\t%0, " #source "\n\t" \
1174 : "=r" (__res)); \
1175 else \
1176 __asm__ __volatile__( \
1177 ".set\tmips32\n\t" \
1178 "mfc0\t%0, " #source ", " #sel "\n\t" \
1179 ".set\tmips0\n\t" \
1180 : "=r" (__res)); \
1181 __res; \
1182})
1183
1184#define __read_64bit_c0_register(source, sel) \
1185({ unsigned long long __res; \
1186 if (sizeof(unsigned long) == 4) \
1187 __res = __read_64bit_c0_split(source, sel); \
1188 else if (sel == 0) \
1189 __asm__ __volatile__( \
1190 ".set\tmips3\n\t" \
1191 "dmfc0\t%0, " #source "\n\t" \
1192 ".set\tmips0" \
1193 : "=r" (__res)); \
1194 else \
1195 __asm__ __volatile__( \
1196 ".set\tmips64\n\t" \
1197 "dmfc0\t%0, " #source ", " #sel "\n\t" \
1198 ".set\tmips0" \
1199 : "=r" (__res)); \
1200 __res; \
1201})
1202
1203#define __write_32bit_c0_register(register, sel, value) \
1204do { \
1205 if (sel == 0) \
1206 __asm__ __volatile__( \
1207 "mtc0\t%z0, " #register "\n\t" \
0952e290 1208 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
1209 else \
1210 __asm__ __volatile__( \
1211 ".set\tmips32\n\t" \
1212 "mtc0\t%z0, " #register ", " #sel "\n\t" \
1213 ".set\tmips0" \
0952e290 1214 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
1215} while (0)
1216
1217#define __write_64bit_c0_register(register, sel, value) \
1218do { \
1219 if (sizeof(unsigned long) == 4) \
1220 __write_64bit_c0_split(register, sel, value); \
1221 else if (sel == 0) \
1222 __asm__ __volatile__( \
1223 ".set\tmips3\n\t" \
1224 "dmtc0\t%z0, " #register "\n\t" \
1225 ".set\tmips0" \
1226 : : "Jr" (value)); \
1227 else \
1228 __asm__ __volatile__( \
1229 ".set\tmips64\n\t" \
1230 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
1231 ".set\tmips0" \
1232 : : "Jr" (value)); \
1233} while (0)
1234
1235#define __read_ulong_c0_register(reg, sel) \
1236 ((sizeof(unsigned long) == 4) ? \
1237 (unsigned long) __read_32bit_c0_register(reg, sel) : \
1238 (unsigned long) __read_64bit_c0_register(reg, sel))
1239
1240#define __write_ulong_c0_register(reg, sel, val) \
1241do { \
1242 if (sizeof(unsigned long) == 4) \
1243 __write_32bit_c0_register(reg, sel, val); \
1244 else \
1245 __write_64bit_c0_register(reg, sel, val); \
1246} while (0)
1247
1248/*
1249 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1250 */
1251#define __read_32bit_c0_ctrl_register(source) \
82eb8f73 1252({ unsigned int __res; \
1da177e4
LT
1253 __asm__ __volatile__( \
1254 "cfc0\t%0, " #source "\n\t" \
1255 : "=r" (__res)); \
1256 __res; \
1257})
1258
1259#define __write_32bit_c0_ctrl_register(register, value) \
1260do { \
1261 __asm__ __volatile__( \
1262 "ctc0\t%z0, " #register "\n\t" \
0952e290 1263 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
1264} while (0)
1265
1266/*
1267 * These versions are only needed for systems with more than 38 bits of
1268 * physical address space running the 32-bit kernel. That's none atm :-)
1269 */
1270#define __read_64bit_c0_split(source, sel) \
1271({ \
87d43dd4
AN
1272 unsigned long long __val; \
1273 unsigned long __flags; \
1da177e4 1274 \
87d43dd4 1275 local_irq_save(__flags); \
1da177e4
LT
1276 if (sel == 0) \
1277 __asm__ __volatile__( \
1278 ".set\tmips64\n\t" \
1279 "dmfc0\t%M0, " #source "\n\t" \
1280 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1281 "dsra\t%M0, %M0, 32\n\t" \
1282 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1283 ".set\tmips0" \
87d43dd4 1284 : "=r" (__val)); \
1da177e4
LT
1285 else \
1286 __asm__ __volatile__( \
1287 ".set\tmips64\n\t" \
1288 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1289 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1290 "dsra\t%M0, %M0, 32\n\t" \
1291 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1292 ".set\tmips0" \
87d43dd4
AN
1293 : "=r" (__val)); \
1294 local_irq_restore(__flags); \
1da177e4 1295 \
87d43dd4 1296 __val; \
1da177e4
LT
1297})
1298
1299#define __write_64bit_c0_split(source, sel, val) \
1300do { \
87d43dd4 1301 unsigned long __flags; \
1da177e4 1302 \
87d43dd4 1303 local_irq_save(__flags); \
1da177e4
LT
1304 if (sel == 0) \
1305 __asm__ __volatile__( \
1306 ".set\tmips64\n\t" \
1307 "dsll\t%L0, %L0, 32\n\t" \
1308 "dsrl\t%L0, %L0, 32\n\t" \
1309 "dsll\t%M0, %M0, 32\n\t" \
1310 "or\t%L0, %L0, %M0\n\t" \
1311 "dmtc0\t%L0, " #source "\n\t" \
1312 ".set\tmips0" \
1313 : : "r" (val)); \
1314 else \
1315 __asm__ __volatile__( \
1316 ".set\tmips64\n\t" \
1317 "dsll\t%L0, %L0, 32\n\t" \
1318 "dsrl\t%L0, %L0, 32\n\t" \
1319 "dsll\t%M0, %M0, 32\n\t" \
1320 "or\t%L0, %L0, %M0\n\t" \
1321 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1322 ".set\tmips0" \
1323 : : "r" (val)); \
87d43dd4 1324 local_irq_restore(__flags); \
1da177e4
LT
1325} while (0)
1326
23d06e4f
SH
1327#define __readx_32bit_c0_register(source) \
1328({ \
1329 unsigned int __res; \
1330 \
1331 __asm__ __volatile__( \
1332 " .set push \n" \
1333 " .set noat \n" \
1334 " .set mips32r2 \n" \
23d06e4f 1335 " # mfhc0 $1, %1 \n" \
c84700cc
JH
1336 _ASM_INSN_IF_MIPS(0x40410000 | ((%1 & 0x1f) << 11)) \
1337 _ASM_INSN32_IF_MM(0x002000f4 | ((%1 & 0x1f) << 16)) \
23d06e4f
SH
1338 " move %0, $1 \n" \
1339 " .set pop \n" \
1340 : "=r" (__res) \
1341 : "i" (source)); \
1342 __res; \
1343})
1344
1345#define __writex_32bit_c0_register(register, value) \
1346do { \
1347 __asm__ __volatile__( \
1348 " .set push \n" \
1349 " .set noat \n" \
1350 " .set mips32r2 \n" \
1351 " move $1, %0 \n" \
1352 " # mthc0 $1, %1 \n" \
c84700cc
JH
1353 _ASM_INSN_IF_MIPS(0x40c10000 | ((%1 & 0x1f) << 11)) \
1354 _ASM_INSN32_IF_MM(0x002002f4 | ((%1 & 0x1f) << 16)) \
23d06e4f
SH
1355 " .set pop \n" \
1356 : \
1357 : "r" (value), "i" (register)); \
1358} while (0)
1359
1da177e4
LT
1360#define read_c0_index() __read_32bit_c0_register($0, 0)
1361#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1362
272bace7
RB
1363#define read_c0_random() __read_32bit_c0_register($1, 0)
1364#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1365
1da177e4
LT
1366#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1367#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1368
23d06e4f
SH
1369#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1370#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1371
1da177e4
LT
1372#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1373#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1374
23d06e4f
SH
1375#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1376#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1377
1da177e4
LT
1378#define read_c0_conf() __read_32bit_c0_register($3, 0)
1379#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1380
1381#define read_c0_context() __read_ulong_c0_register($4, 0)
1382#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1383
f18bdfa1
JH
1384#define read_c0_contextconfig() __read_32bit_c0_register($4, 1)
1385#define write_c0_contextconfig(val) __write_32bit_c0_register($4, 1, val)
1386
a3692020 1387#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1388#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1389
f18bdfa1
JH
1390#define read_c0_xcontextconfig() __read_ulong_c0_register($4, 3)
1391#define write_c0_xcontextconfig(val) __write_ulong_c0_register($4, 3, val)
1392
1da177e4
LT
1393#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1394#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1395
9fe2e9d6 1396#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1397#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1398
1da177e4
LT
1399#define read_c0_wired() __read_32bit_c0_register($6, 0)
1400#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1401
1402#define read_c0_info() __read_32bit_c0_register($7, 0)
1403
70342287 1404#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1405#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1406
15c4f67a
RB
1407#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1408#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1409
e06a1548
JH
1410#define read_c0_badinstr() __read_32bit_c0_register($8, 1)
1411#define read_c0_badinstrp() __read_32bit_c0_register($8, 2)
1412
1da177e4
LT
1413#define read_c0_count() __read_32bit_c0_register($9, 0)
1414#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1415
bdf21b18
PP
1416#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1417#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1418
1419#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1420#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1421
1da177e4
LT
1422#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1423#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1424
f913e9ea
JH
1425#define read_c0_guestctl1() __read_32bit_c0_register($10, 4)
1426#define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val)
1427
1428#define read_c0_guestctl2() __read_32bit_c0_register($10, 5)
1429#define write_c0_guestctl2(val) __write_32bit_c0_register($10, 5, val)
1430
1431#define read_c0_guestctl3() __read_32bit_c0_register($10, 6)
1432#define write_c0_guestctl3(val) __write_32bit_c0_register($10, 6, val)
1433
1da177e4
LT
1434#define read_c0_compare() __read_32bit_c0_register($11, 0)
1435#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1436
f913e9ea
JH
1437#define read_c0_guestctl0ext() __read_32bit_c0_register($11, 4)
1438#define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val)
1439
bdf21b18
PP
1440#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1441#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1442
1443#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1444#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1445
1da177e4 1446#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1447
1da177e4
LT
1448#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1449
f913e9ea
JH
1450#define read_c0_guestctl0() __read_32bit_c0_register($12, 6)
1451#define write_c0_guestctl0(val) __write_32bit_c0_register($12, 6, val)
1452
1453#define read_c0_gtoffset() __read_32bit_c0_register($12, 7)
1454#define write_c0_gtoffset(val) __write_32bit_c0_register($12, 7, val)
1455
1da177e4
LT
1456#define read_c0_cause() __read_32bit_c0_register($13, 0)
1457#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1458
1459#define read_c0_epc() __read_ulong_c0_register($14, 0)
1460#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1461
1462#define read_c0_prid() __read_32bit_c0_register($15, 0)
1463
4dd8ee5d
PB
1464#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1465
1da177e4
LT
1466#define read_c0_config() __read_32bit_c0_register($16, 0)
1467#define read_c0_config1() __read_32bit_c0_register($16, 1)
1468#define read_c0_config2() __read_32bit_c0_register($16, 2)
1469#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1470#define read_c0_config4() __read_32bit_c0_register($16, 4)
1471#define read_c0_config5() __read_32bit_c0_register($16, 5)
1472#define read_c0_config6() __read_32bit_c0_register($16, 6)
1473#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1474#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1475#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1476#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1477#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1478#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1479#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1480#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1481#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1482
b55b9e27
MC
1483#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1484#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1485#define read_c0_maar() __read_ulong_c0_register($17, 1)
1486#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1487#define read_c0_maari() __read_32bit_c0_register($17, 2)
1488#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1489
1da177e4 1490/*
25985edc 1491 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1492 */
1493#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1494#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1495#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1496#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1497#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1498#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1499#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1500#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1501#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1502#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1503#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1504#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1505#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1506#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1507#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1508#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1509
1510/*
25985edc 1511 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1512 */
1513#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1514#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1515#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1516#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1517#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1518#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1519#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1520#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1521
1522#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1523#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1524#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1525#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1526#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1527#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1528#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1529#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1530
1531#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1532#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1533
1534#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1535#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1536
1537#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1538#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1539
1da177e4
LT
1540#define read_c0_diag() __read_32bit_c0_register($22, 0)
1541#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1542
8d5ded16
JK
1543/* R10K CP0 Branch Diagnostic register is 64bits wide */
1544#define read_c0_r10k_diag() __read_64bit_c0_register($22, 0)
1545#define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1546
1da177e4
LT
1547#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1548#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1549
1550#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1551#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1552
1553#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1554#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1555
1556#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1557#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1558
1559#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1560#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1561
1562#define read_c0_debug() __read_32bit_c0_register($23, 0)
1563#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1564
1565#define read_c0_depc() __read_ulong_c0_register($24, 0)
1566#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1567
1568/*
1569 * MIPS32 / MIPS64 performance counters
1570 */
1571#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1572#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1573#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1574#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1575#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1576#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1577#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1578#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1579#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1580#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1581#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1582#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1583#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1584#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1585#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1586#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1587#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1588#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1589#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1590#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1591#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1592#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1593#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1594#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1595
1da177e4
LT
1596#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1597#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1598
1599#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1600#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1601
1602#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1603
1604#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1605#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1606
1607#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1608#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1609
41c594ab
RB
1610#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1611#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1612
af231172
KC
1613#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1614#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1615
1616#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1617#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1618
1da177e4
LT
1619#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1620#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1621
1622#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1623#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1624
7a0fc58c 1625/* MIPSR2 */
21a151d8 1626#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1627#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1628
1629#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1630#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1631
1632#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1633#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1634
1635#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1636#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1637
21a151d8 1638#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1639#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1640
37fb60f8
JH
1641#define read_c0_ebase_64() __read_64bit_c0_register($15, 1)
1642#define write_c0_ebase_64(val) __write_64bit_c0_register($15, 1, val)
1643
9b3274bd
JH
1644#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1645#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1646
4a0156fb
SH
1647/* MIPSR3 */
1648#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1649#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1650
1651#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1652#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1653
1654#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1655#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1656
87d08bc9
MC
1657/* Hardware Page Table Walker */
1658#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1659#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1660
1661#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1662#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1663
1664#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1665#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1666
1667#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1668#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1669
380cd582
HC
1670#define read_c0_pgd() __read_64bit_c0_register($9, 7)
1671#define write_c0_pgd(val) __write_64bit_c0_register($9, 7, val)
1672
1673#define read_c0_kpgd() __read_64bit_c0_register($31, 7)
1674#define write_c0_kpgd(val) __write_64bit_c0_register($31, 7, val)
1675
ed918c2d
DD
1676/* Cavium OCTEON (cnMIPS) */
1677#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1678#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1679
1680#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1681#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1682
1683#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1684#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1685/*
70342287 1686 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1687 * 64 bits wide.
1688 */
1689#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1690#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1691
1692#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1693#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1694
af231172
KC
1695/* BMIPS3300 */
1696#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1697#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1698
1699#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1700#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1701
1702#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1703#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1704
020232f1 1705/* BMIPS43xx */
af231172
KC
1706#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1707#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1708
1709#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1710#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1711
1712#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1713#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1714
1715#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1716#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1717
1718#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1719#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1720
1721/* BMIPS5000 */
1722#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1723#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1724
1725#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1726#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1727
1728#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1729#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1730
1731#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1732#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1733
1734#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1735#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1736
1737#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1738#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1739
7eb91118
JH
1740/*
1741 * Macros to access the guest system control coprocessor
1742 */
1743
bad50d79
JH
1744#ifdef TOOLCHAIN_SUPPORTS_VIRT
1745
7eb91118
JH
1746#define __read_32bit_gc0_register(source, sel) \
1747({ int __res; \
1748 __asm__ __volatile__( \
1749 ".set\tpush\n\t" \
1750 ".set\tmips32r2\n\t" \
1751 ".set\tvirt\n\t" \
bad50d79 1752 "mfgc0\t%0, $%1, %2\n\t" \
7eb91118 1753 ".set\tpop" \
bad50d79
JH
1754 : "=r" (__res) \
1755 : "i" (source), "i" (sel)); \
7eb91118
JH
1756 __res; \
1757})
1758
1759#define __read_64bit_gc0_register(source, sel) \
1760({ unsigned long long __res; \
1761 __asm__ __volatile__( \
1762 ".set\tpush\n\t" \
1763 ".set\tmips64r2\n\t" \
1764 ".set\tvirt\n\t" \
bad50d79 1765 "dmfgc0\t%0, $%1, %2\n\t" \
7eb91118 1766 ".set\tpop" \
bad50d79
JH
1767 : "=r" (__res) \
1768 : "i" (source), "i" (sel)); \
7eb91118
JH
1769 __res; \
1770})
1771
1772#define __write_32bit_gc0_register(register, sel, value) \
1773do { \
1774 __asm__ __volatile__( \
1775 ".set\tpush\n\t" \
1776 ".set\tmips32r2\n\t" \
1777 ".set\tvirt\n\t" \
bad50d79 1778 "mtgc0\t%z0, $%1, %2\n\t" \
7eb91118 1779 ".set\tpop" \
bad50d79
JH
1780 : : "Jr" ((unsigned int)(value)), \
1781 "i" (register), "i" (sel)); \
7eb91118
JH
1782} while (0)
1783
1784#define __write_64bit_gc0_register(register, sel, value) \
1785do { \
1786 __asm__ __volatile__( \
1787 ".set\tpush\n\t" \
1788 ".set\tmips64r2\n\t" \
1789 ".set\tvirt\n\t" \
bad50d79
JH
1790 "dmtgc0\t%z0, $%1, %2\n\t" \
1791 ".set\tpop" \
1792 : : "Jr" (value), \
1793 "i" (register), "i" (sel)); \
1794} while (0)
1795
1796#else /* TOOLCHAIN_SUPPORTS_VIRT */
1797
1798#define __read_32bit_gc0_register(source, sel) \
1799({ int __res; \
1800 __asm__ __volatile__( \
1801 ".set\tpush\n\t" \
1802 ".set\tnoat\n\t" \
1803 "# mfgc0\t$1, $%1, %2\n\t" \
1c48a177
JH
1804 _ASM_INSN_IF_MIPS(0x40610000 | %1 << 11 | %2) \
1805 _ASM_INSN32_IF_MM(0x002004fc | %1 << 16 | %2 << 11) \
bad50d79
JH
1806 "move\t%0, $1\n\t" \
1807 ".set\tpop" \
1808 : "=r" (__res) \
1809 : "i" (source), "i" (sel)); \
1810 __res; \
1811})
1812
1813#define __read_64bit_gc0_register(source, sel) \
1814({ unsigned long long __res; \
1815 __asm__ __volatile__( \
1816 ".set\tpush\n\t" \
1817 ".set\tnoat\n\t" \
1818 "# dmfgc0\t$1, $%1, %2\n\t" \
1c48a177
JH
1819 _ASM_INSN_IF_MIPS(0x40610100 | %1 << 11 | %2) \
1820 _ASM_INSN32_IF_MM(0x582004fc | %1 << 16 | %2 << 11) \
bad50d79
JH
1821 "move\t%0, $1\n\t" \
1822 ".set\tpop" \
1823 : "=r" (__res) \
1824 : "i" (source), "i" (sel)); \
1825 __res; \
1826})
1827
1828#define __write_32bit_gc0_register(register, sel, value) \
1829do { \
1830 __asm__ __volatile__( \
1831 ".set\tpush\n\t" \
1832 ".set\tnoat\n\t" \
f03984ca 1833 "move\t$1, %z0\n\t" \
bad50d79 1834 "# mtgc0\t$1, $%1, %2\n\t" \
1c48a177
JH
1835 _ASM_INSN_IF_MIPS(0x40610200 | %1 << 11 | %2) \
1836 _ASM_INSN32_IF_MM(0x002006fc | %1 << 16 | %2 << 11) \
7eb91118 1837 ".set\tpop" \
bad50d79
JH
1838 : : "Jr" ((unsigned int)(value)), \
1839 "i" (register), "i" (sel)); \
7eb91118
JH
1840} while (0)
1841
bad50d79
JH
1842#define __write_64bit_gc0_register(register, sel, value) \
1843do { \
1844 __asm__ __volatile__( \
1845 ".set\tpush\n\t" \
1846 ".set\tnoat\n\t" \
f03984ca 1847 "move\t$1, %z0\n\t" \
bad50d79 1848 "# dmtgc0\t$1, $%1, %2\n\t" \
1c48a177
JH
1849 _ASM_INSN_IF_MIPS(0x40610300 | %1 << 11 | %2) \
1850 _ASM_INSN32_IF_MM(0x582006fc | %1 << 16 | %2 << 11) \
bad50d79
JH
1851 ".set\tpop" \
1852 : : "Jr" (value), \
1853 "i" (register), "i" (sel)); \
1854} while (0)
1855
1856#endif /* !TOOLCHAIN_SUPPORTS_VIRT */
1857
7eb91118
JH
1858#define __read_ulong_gc0_register(reg, sel) \
1859 ((sizeof(unsigned long) == 4) ? \
1860 (unsigned long) __read_32bit_gc0_register(reg, sel) : \
1861 (unsigned long) __read_64bit_gc0_register(reg, sel))
1862
1863#define __write_ulong_gc0_register(reg, sel, val) \
1864do { \
1865 if (sizeof(unsigned long) == 4) \
1866 __write_32bit_gc0_register(reg, sel, val); \
1867 else \
1868 __write_64bit_gc0_register(reg, sel, val); \
1869} while (0)
1870
bad50d79
JH
1871#define read_gc0_index() __read_32bit_gc0_register(0, 0)
1872#define write_gc0_index(val) __write_32bit_gc0_register(0, 0, val)
7eb91118 1873
bad50d79
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1874#define read_gc0_entrylo0() __read_ulong_gc0_register(2, 0)
1875#define write_gc0_entrylo0(val) __write_ulong_gc0_register(2, 0, val)
7eb91118 1876
bad50d79
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1877#define read_gc0_entrylo1() __read_ulong_gc0_register(3, 0)
1878#define write_gc0_entrylo1(val) __write_ulong_gc0_register(3, 0, val)
7eb91118 1879
bad50d79
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1880#define read_gc0_context() __read_ulong_gc0_register(4, 0)
1881#define write_gc0_context(val) __write_ulong_gc0_register(4, 0, val)
7eb91118 1882
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1883#define read_gc0_contextconfig() __read_32bit_gc0_register(4, 1)
1884#define write_gc0_contextconfig(val) __write_32bit_gc0_register(4, 1, val)
7eb91118 1885
bad50d79
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1886#define read_gc0_userlocal() __read_ulong_gc0_register(4, 2)
1887#define write_gc0_userlocal(val) __write_ulong_gc0_register(4, 2, val)
7eb91118 1888
bad50d79
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1889#define read_gc0_xcontextconfig() __read_ulong_gc0_register(4, 3)
1890#define write_gc0_xcontextconfig(val) __write_ulong_gc0_register(4, 3, val)
7eb91118 1891
bad50d79
JH
1892#define read_gc0_pagemask() __read_32bit_gc0_register(5, 0)
1893#define write_gc0_pagemask(val) __write_32bit_gc0_register(5, 0, val)
7eb91118 1894
bad50d79
JH
1895#define read_gc0_pagegrain() __read_32bit_gc0_register(5, 1)
1896#define write_gc0_pagegrain(val) __write_32bit_gc0_register(5, 1, val)
7eb91118 1897
bad50d79
JH
1898#define read_gc0_segctl0() __read_ulong_gc0_register(5, 2)
1899#define write_gc0_segctl0(val) __write_ulong_gc0_register(5, 2, val)
7eb91118 1900
bad50d79
JH
1901#define read_gc0_segctl1() __read_ulong_gc0_register(5, 3)
1902#define write_gc0_segctl1(val) __write_ulong_gc0_register(5, 3, val)
7eb91118 1903
bad50d79
JH
1904#define read_gc0_segctl2() __read_ulong_gc0_register(5, 4)
1905#define write_gc0_segctl2(val) __write_ulong_gc0_register(5, 4, val)
1906
1907#define read_gc0_pwbase() __read_ulong_gc0_register(5, 5)
1908#define write_gc0_pwbase(val) __write_ulong_gc0_register(5, 5, val)
1909
1910#define read_gc0_pwfield() __read_ulong_gc0_register(5, 6)
1911#define write_gc0_pwfield(val) __write_ulong_gc0_register(5, 6, val)
1912
1913#define read_gc0_pwsize() __read_ulong_gc0_register(5, 7)
1914#define write_gc0_pwsize(val) __write_ulong_gc0_register(5, 7, val)
1915
1916#define read_gc0_wired() __read_32bit_gc0_register(6, 0)
1917#define write_gc0_wired(val) __write_32bit_gc0_register(6, 0, val)
1918
1919#define read_gc0_pwctl() __read_32bit_gc0_register(6, 6)
1920#define write_gc0_pwctl(val) __write_32bit_gc0_register(6, 6, val)
1921
1922#define read_gc0_hwrena() __read_32bit_gc0_register(7, 0)
1923#define write_gc0_hwrena(val) __write_32bit_gc0_register(7, 0, val)
1924
1925#define read_gc0_badvaddr() __read_ulong_gc0_register(8, 0)
1926#define write_gc0_badvaddr(val) __write_ulong_gc0_register(8, 0, val)
1927
1928#define read_gc0_badinstr() __read_32bit_gc0_register(8, 1)
1929#define write_gc0_badinstr(val) __write_32bit_gc0_register(8, 1, val)
1930
1931#define read_gc0_badinstrp() __read_32bit_gc0_register(8, 2)
1932#define write_gc0_badinstrp(val) __write_32bit_gc0_register(8, 2, val)
1933
1934#define read_gc0_count() __read_32bit_gc0_register(9, 0)
1935
1936#define read_gc0_entryhi() __read_ulong_gc0_register(10, 0)
1937#define write_gc0_entryhi(val) __write_ulong_gc0_register(10, 0, val)
1938
1939#define read_gc0_compare() __read_32bit_gc0_register(11, 0)
1940#define write_gc0_compare(val) __write_32bit_gc0_register(11, 0, val)
1941
1942#define read_gc0_status() __read_32bit_gc0_register(12, 0)
1943#define write_gc0_status(val) __write_32bit_gc0_register(12, 0, val)
1944
1945#define read_gc0_intctl() __read_32bit_gc0_register(12, 1)
1946#define write_gc0_intctl(val) __write_32bit_gc0_register(12, 1, val)
1947
1948#define read_gc0_cause() __read_32bit_gc0_register(13, 0)
1949#define write_gc0_cause(val) __write_32bit_gc0_register(13, 0, val)
1950
1951#define read_gc0_epc() __read_ulong_gc0_register(14, 0)
1952#define write_gc0_epc(val) __write_ulong_gc0_register(14, 0, val)
1953
1954#define read_gc0_ebase() __read_32bit_gc0_register(15, 1)
1955#define write_gc0_ebase(val) __write_32bit_gc0_register(15, 1, val)
1956
1957#define read_gc0_ebase_64() __read_64bit_gc0_register(15, 1)
1958#define write_gc0_ebase_64(val) __write_64bit_gc0_register(15, 1, val)
1959
1960#define read_gc0_config() __read_32bit_gc0_register(16, 0)
1961#define read_gc0_config1() __read_32bit_gc0_register(16, 1)
1962#define read_gc0_config2() __read_32bit_gc0_register(16, 2)
1963#define read_gc0_config3() __read_32bit_gc0_register(16, 3)
1964#define read_gc0_config4() __read_32bit_gc0_register(16, 4)
1965#define read_gc0_config5() __read_32bit_gc0_register(16, 5)
1966#define read_gc0_config6() __read_32bit_gc0_register(16, 6)
1967#define read_gc0_config7() __read_32bit_gc0_register(16, 7)
1968#define write_gc0_config(val) __write_32bit_gc0_register(16, 0, val)
1969#define write_gc0_config1(val) __write_32bit_gc0_register(16, 1, val)
1970#define write_gc0_config2(val) __write_32bit_gc0_register(16, 2, val)
1971#define write_gc0_config3(val) __write_32bit_gc0_register(16, 3, val)
1972#define write_gc0_config4(val) __write_32bit_gc0_register(16, 4, val)
1973#define write_gc0_config5(val) __write_32bit_gc0_register(16, 5, val)
1974#define write_gc0_config6(val) __write_32bit_gc0_register(16, 6, val)
1975#define write_gc0_config7(val) __write_32bit_gc0_register(16, 7, val)
1976
1977#define read_gc0_watchlo0() __read_ulong_gc0_register(18, 0)
1978#define read_gc0_watchlo1() __read_ulong_gc0_register(18, 1)
1979#define read_gc0_watchlo2() __read_ulong_gc0_register(18, 2)
1980#define read_gc0_watchlo3() __read_ulong_gc0_register(18, 3)
1981#define read_gc0_watchlo4() __read_ulong_gc0_register(18, 4)
1982#define read_gc0_watchlo5() __read_ulong_gc0_register(18, 5)
1983#define read_gc0_watchlo6() __read_ulong_gc0_register(18, 6)
1984#define read_gc0_watchlo7() __read_ulong_gc0_register(18, 7)
1985#define write_gc0_watchlo0(val) __write_ulong_gc0_register(18, 0, val)
1986#define write_gc0_watchlo1(val) __write_ulong_gc0_register(18, 1, val)
1987#define write_gc0_watchlo2(val) __write_ulong_gc0_register(18, 2, val)
1988#define write_gc0_watchlo3(val) __write_ulong_gc0_register(18, 3, val)
1989#define write_gc0_watchlo4(val) __write_ulong_gc0_register(18, 4, val)
1990#define write_gc0_watchlo5(val) __write_ulong_gc0_register(18, 5, val)
1991#define write_gc0_watchlo6(val) __write_ulong_gc0_register(18, 6, val)
1992#define write_gc0_watchlo7(val) __write_ulong_gc0_register(18, 7, val)
1993
1994#define read_gc0_watchhi0() __read_32bit_gc0_register(19, 0)
1995#define read_gc0_watchhi1() __read_32bit_gc0_register(19, 1)
1996#define read_gc0_watchhi2() __read_32bit_gc0_register(19, 2)
1997#define read_gc0_watchhi3() __read_32bit_gc0_register(19, 3)
1998#define read_gc0_watchhi4() __read_32bit_gc0_register(19, 4)
1999#define read_gc0_watchhi5() __read_32bit_gc0_register(19, 5)
2000#define read_gc0_watchhi6() __read_32bit_gc0_register(19, 6)
2001#define read_gc0_watchhi7() __read_32bit_gc0_register(19, 7)
2002#define write_gc0_watchhi0(val) __write_32bit_gc0_register(19, 0, val)
2003#define write_gc0_watchhi1(val) __write_32bit_gc0_register(19, 1, val)
2004#define write_gc0_watchhi2(val) __write_32bit_gc0_register(19, 2, val)
2005#define write_gc0_watchhi3(val) __write_32bit_gc0_register(19, 3, val)
2006#define write_gc0_watchhi4(val) __write_32bit_gc0_register(19, 4, val)
2007#define write_gc0_watchhi5(val) __write_32bit_gc0_register(19, 5, val)
2008#define write_gc0_watchhi6(val) __write_32bit_gc0_register(19, 6, val)
2009#define write_gc0_watchhi7(val) __write_32bit_gc0_register(19, 7, val)
2010
2011#define read_gc0_xcontext() __read_ulong_gc0_register(20, 0)
2012#define write_gc0_xcontext(val) __write_ulong_gc0_register(20, 0, val)
2013
2014#define read_gc0_perfctrl0() __read_32bit_gc0_register(25, 0)
2015#define write_gc0_perfctrl0(val) __write_32bit_gc0_register(25, 0, val)
2016#define read_gc0_perfcntr0() __read_32bit_gc0_register(25, 1)
2017#define write_gc0_perfcntr0(val) __write_32bit_gc0_register(25, 1, val)
2018#define read_gc0_perfcntr0_64() __read_64bit_gc0_register(25, 1)
2019#define write_gc0_perfcntr0_64(val) __write_64bit_gc0_register(25, 1, val)
2020#define read_gc0_perfctrl1() __read_32bit_gc0_register(25, 2)
2021#define write_gc0_perfctrl1(val) __write_32bit_gc0_register(25, 2, val)
2022#define read_gc0_perfcntr1() __read_32bit_gc0_register(25, 3)
2023#define write_gc0_perfcntr1(val) __write_32bit_gc0_register(25, 3, val)
2024#define read_gc0_perfcntr1_64() __read_64bit_gc0_register(25, 3)
2025#define write_gc0_perfcntr1_64(val) __write_64bit_gc0_register(25, 3, val)
2026#define read_gc0_perfctrl2() __read_32bit_gc0_register(25, 4)
2027#define write_gc0_perfctrl2(val) __write_32bit_gc0_register(25, 4, val)
2028#define read_gc0_perfcntr2() __read_32bit_gc0_register(25, 5)
2029#define write_gc0_perfcntr2(val) __write_32bit_gc0_register(25, 5, val)
2030#define read_gc0_perfcntr2_64() __read_64bit_gc0_register(25, 5)
2031#define write_gc0_perfcntr2_64(val) __write_64bit_gc0_register(25, 5, val)
2032#define read_gc0_perfctrl3() __read_32bit_gc0_register(25, 6)
2033#define write_gc0_perfctrl3(val) __write_32bit_gc0_register(25, 6, val)
2034#define read_gc0_perfcntr3() __read_32bit_gc0_register(25, 7)
2035#define write_gc0_perfcntr3(val) __write_32bit_gc0_register(25, 7, val)
2036#define read_gc0_perfcntr3_64() __read_64bit_gc0_register(25, 7)
2037#define write_gc0_perfcntr3_64(val) __write_64bit_gc0_register(25, 7, val)
2038
2039#define read_gc0_errorepc() __read_ulong_gc0_register(30, 0)
2040#define write_gc0_errorepc(val) __write_ulong_gc0_register(30, 0, val)
2041
2042#define read_gc0_kscratch1() __read_ulong_gc0_register(31, 2)
2043#define read_gc0_kscratch2() __read_ulong_gc0_register(31, 3)
2044#define read_gc0_kscratch3() __read_ulong_gc0_register(31, 4)
2045#define read_gc0_kscratch4() __read_ulong_gc0_register(31, 5)
2046#define read_gc0_kscratch5() __read_ulong_gc0_register(31, 6)
2047#define read_gc0_kscratch6() __read_ulong_gc0_register(31, 7)
2048#define write_gc0_kscratch1(val) __write_ulong_gc0_register(31, 2, val)
2049#define write_gc0_kscratch2(val) __write_ulong_gc0_register(31, 3, val)
2050#define write_gc0_kscratch3(val) __write_ulong_gc0_register(31, 4, val)
2051#define write_gc0_kscratch4(val) __write_ulong_gc0_register(31, 5, val)
2052#define write_gc0_kscratch5(val) __write_ulong_gc0_register(31, 6, val)
2053#define write_gc0_kscratch6(val) __write_ulong_gc0_register(31, 7, val)
7eb91118 2054
1da177e4
LT
2055/*
2056 * Macros to access the floating point coprocessor control registers
2057 */
842dfc11 2058#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310 2059({ \
c46a2f01 2060 unsigned int __res; \
b9688310
SH
2061 \
2062 __asm__ __volatile__( \
2063 " .set push \n" \
2064 " .set reorder \n" \
2065 " # gas fails to assemble cfc1 for some archs, \n" \
2066 " # like Octeon. \n" \
2067 " .set mips1 \n" \
842dfc11 2068 " "STR(gas_hardfloat)" \n" \
b9688310
SH
2069 " cfc1 %0,"STR(source)" \n" \
2070 " .set pop \n" \
2071 : "=r" (__res)); \
2072 __res; \
2073})
1da177e4 2074
5e32033e
JH
2075#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
2076do { \
2077 __asm__ __volatile__( \
2078 " .set push \n" \
2079 " .set reorder \n" \
2080 " "STR(gas_hardfloat)" \n" \
2081 " ctc1 %0,"STR(dest)" \n" \
2082 " .set pop \n" \
2083 : : "r" (val)); \
2084} while (0)
2085
842dfc11
ML
2086#ifdef GAS_HAS_SET_HARDFLOAT
2087#define read_32bit_cp1_register(source) \
2088 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
2089#define write_32bit_cp1_register(dest, val) \
2090 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
2091#else
2092#define read_32bit_cp1_register(source) \
2093 _read_32bit_cp1_register(source, )
5e32033e
JH
2094#define write_32bit_cp1_register(dest, val) \
2095 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
2096#endif
2097
32a7ede6 2098#ifdef HAVE_AS_DSP
e50c0a8f
RB
2099#define rddsp(mask) \
2100({ \
32a7ede6 2101 unsigned int __dspctl; \
e50c0a8f
RB
2102 \
2103 __asm__ __volatile__( \
63c2b681
FF
2104 " .set push \n" \
2105 " .set dsp \n" \
32a7ede6 2106 " rddsp %0, %x1 \n" \
63c2b681 2107 " .set pop \n" \
32a7ede6 2108 : "=r" (__dspctl) \
e50c0a8f 2109 : "i" (mask)); \
32a7ede6 2110 __dspctl; \
e50c0a8f
RB
2111})
2112
2113#define wrdsp(val, mask) \
2114do { \
e50c0a8f 2115 __asm__ __volatile__( \
63c2b681
FF
2116 " .set push \n" \
2117 " .set dsp \n" \
32a7ede6 2118 " wrdsp %0, %x1 \n" \
63c2b681 2119 " .set pop \n" \
70342287 2120 : \
e50c0a8f 2121 : "r" (val), "i" (mask)); \
e50c0a8f
RB
2122} while (0)
2123
63c2b681
FF
2124#define mflo0() \
2125({ \
2126 long mflo0; \
2127 __asm__( \
2128 " .set push \n" \
2129 " .set dsp \n" \
2130 " mflo %0, $ac0 \n" \
2131 " .set pop \n" \
2132 : "=r" (mflo0)); \
2133 mflo0; \
2134})
2135
2136#define mflo1() \
2137({ \
2138 long mflo1; \
2139 __asm__( \
2140 " .set push \n" \
2141 " .set dsp \n" \
2142 " mflo %0, $ac1 \n" \
2143 " .set pop \n" \
2144 : "=r" (mflo1)); \
2145 mflo1; \
2146})
2147
2148#define mflo2() \
2149({ \
2150 long mflo2; \
2151 __asm__( \
2152 " .set push \n" \
2153 " .set dsp \n" \
2154 " mflo %0, $ac2 \n" \
2155 " .set pop \n" \
2156 : "=r" (mflo2)); \
2157 mflo2; \
2158})
2159
2160#define mflo3() \
2161({ \
2162 long mflo3; \
2163 __asm__( \
2164 " .set push \n" \
2165 " .set dsp \n" \
2166 " mflo %0, $ac3 \n" \
2167 " .set pop \n" \
2168 : "=r" (mflo3)); \
2169 mflo3; \
2170})
2171
2172#define mfhi0() \
2173({ \
2174 long mfhi0; \
2175 __asm__( \
2176 " .set push \n" \
2177 " .set dsp \n" \
2178 " mfhi %0, $ac0 \n" \
2179 " .set pop \n" \
2180 : "=r" (mfhi0)); \
2181 mfhi0; \
2182})
2183
2184#define mfhi1() \
2185({ \
2186 long mfhi1; \
2187 __asm__( \
2188 " .set push \n" \
2189 " .set dsp \n" \
2190 " mfhi %0, $ac1 \n" \
2191 " .set pop \n" \
2192 : "=r" (mfhi1)); \
2193 mfhi1; \
2194})
2195
2196#define mfhi2() \
2197({ \
2198 long mfhi2; \
2199 __asm__( \
2200 " .set push \n" \
2201 " .set dsp \n" \
2202 " mfhi %0, $ac2 \n" \
2203 " .set pop \n" \
2204 : "=r" (mfhi2)); \
2205 mfhi2; \
2206})
2207
2208#define mfhi3() \
2209({ \
2210 long mfhi3; \
2211 __asm__( \
2212 " .set push \n" \
2213 " .set dsp \n" \
2214 " mfhi %0, $ac3 \n" \
2215 " .set pop \n" \
2216 : "=r" (mfhi3)); \
2217 mfhi3; \
2218})
2219
2220
2221#define mtlo0(x) \
2222({ \
2223 __asm__( \
2224 " .set push \n" \
2225 " .set dsp \n" \
2226 " mtlo %0, $ac0 \n" \
2227 " .set pop \n" \
2228 : \
2229 : "r" (x)); \
2230})
2231
2232#define mtlo1(x) \
2233({ \
2234 __asm__( \
2235 " .set push \n" \
2236 " .set dsp \n" \
2237 " mtlo %0, $ac1 \n" \
2238 " .set pop \n" \
2239 : \
2240 : "r" (x)); \
2241})
2242
2243#define mtlo2(x) \
2244({ \
2245 __asm__( \
2246 " .set push \n" \
2247 " .set dsp \n" \
2248 " mtlo %0, $ac2 \n" \
2249 " .set pop \n" \
2250 : \
2251 : "r" (x)); \
2252})
2253
2254#define mtlo3(x) \
2255({ \
2256 __asm__( \
2257 " .set push \n" \
2258 " .set dsp \n" \
2259 " mtlo %0, $ac3 \n" \
2260 " .set pop \n" \
2261 : \
2262 : "r" (x)); \
2263})
2264
2265#define mthi0(x) \
2266({ \
2267 __asm__( \
2268 " .set push \n" \
2269 " .set dsp \n" \
2270 " mthi %0, $ac0 \n" \
2271 " .set pop \n" \
2272 : \
2273 : "r" (x)); \
2274})
2275
2276#define mthi1(x) \
2277({ \
2278 __asm__( \
2279 " .set push \n" \
2280 " .set dsp \n" \
2281 " mthi %0, $ac1 \n" \
2282 " .set pop \n" \
2283 : \
2284 : "r" (x)); \
2285})
2286
2287#define mthi2(x) \
2288({ \
2289 __asm__( \
2290 " .set push \n" \
2291 " .set dsp \n" \
2292 " mthi %0, $ac2 \n" \
2293 " .set pop \n" \
2294 : \
2295 : "r" (x)); \
2296})
2297
2298#define mthi3(x) \
2299({ \
2300 __asm__( \
2301 " .set push \n" \
2302 " .set dsp \n" \
2303 " mthi %0, $ac3 \n" \
2304 " .set pop \n" \
2305 : \
2306 : "r" (x)); \
2307})
e50c0a8f
RB
2308
2309#else
2310
d0c1b478 2311#define rddsp(mask) \
e50c0a8f 2312({ \
d0c1b478 2313 unsigned int __res; \
e50c0a8f
RB
2314 \
2315 __asm__ __volatile__( \
e50c0a8f
RB
2316 " .set push \n" \
2317 " .set noat \n" \
d0c1b478 2318 " # rddsp $1, %x1 \n" \
5aadab0c
JH
2319 _ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16)) \
2320 _ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14)) \
d0c1b478 2321 " move %0, $1 \n" \
e50c0a8f 2322 " .set pop \n" \
d0c1b478
SH
2323 : "=r" (__res) \
2324 : "i" (mask)); \
2325 __res; \
2326})
e50c0a8f 2327
d0c1b478 2328#define wrdsp(val, mask) \
e50c0a8f
RB
2329do { \
2330 __asm__ __volatile__( \
2331 " .set push \n" \
2332 " .set noat \n" \
2333 " move $1, %0 \n" \
d0c1b478 2334 " # wrdsp $1, %x1 \n" \
5aadab0c
JH
2335 _ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11)) \
2336 _ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14)) \
e50c0a8f
RB
2337 " .set pop \n" \
2338 : \
d0c1b478 2339 : "r" (val), "i" (mask)); \
e50c0a8f
RB
2340} while (0)
2341
5aadab0c 2342#define _dsp_mfxxx(ins) \
d0c1b478
SH
2343({ \
2344 unsigned long __treg; \
2345 \
e50c0a8f
RB
2346 __asm__ __volatile__( \
2347 " .set push \n" \
2348 " .set noat \n" \
5aadab0c
JH
2349 _ASM_INSN_IF_MIPS(0x00000810 | %X1) \
2350 _ASM_INSN32_IF_MM(0x0001007c | %x1) \
d0c1b478 2351 " move %0, $1 \n" \
e50c0a8f 2352 " .set pop \n" \
d0c1b478
SH
2353 : "=r" (__treg) \
2354 : "i" (ins)); \
2355 __treg; \
2356})
e50c0a8f 2357
5aadab0c 2358#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
2359do { \
2360 __asm__ __volatile__( \
2361 " .set push \n" \
2362 " .set noat \n" \
2363 " move $1, %0 \n" \
5aadab0c
JH
2364 _ASM_INSN_IF_MIPS(0x00200011 | %X1) \
2365 _ASM_INSN32_IF_MM(0x0001207c | %x1) \
e50c0a8f
RB
2366 " .set pop \n" \
2367 : \
d0c1b478 2368 : "r" (val), "i" (ins)); \
e50c0a8f
RB
2369} while (0)
2370
5aadab0c 2371#ifdef CONFIG_CPU_MICROMIPS
d0c1b478 2372
5aadab0c
JH
2373#define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000)
2374#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000)
d0c1b478 2375
5aadab0c
JH
2376#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000))
2377#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000))
d0c1b478
SH
2378
2379#else /* !CONFIG_CPU_MICROMIPS */
e50c0a8f 2380
4cb764b4
SH
2381#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
2382#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 2383
4cb764b4
SH
2384#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
2385#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 2386
5aadab0c
JH
2387#endif /* CONFIG_CPU_MICROMIPS */
2388
4cb764b4
SH
2389#define mflo0() _dsp_mflo(0)
2390#define mflo1() _dsp_mflo(1)
2391#define mflo2() _dsp_mflo(2)
2392#define mflo3() _dsp_mflo(3)
e50c0a8f 2393
4cb764b4
SH
2394#define mfhi0() _dsp_mfhi(0)
2395#define mfhi1() _dsp_mfhi(1)
2396#define mfhi2() _dsp_mfhi(2)
2397#define mfhi3() _dsp_mfhi(3)
e50c0a8f 2398
4cb764b4
SH
2399#define mtlo0(x) _dsp_mtlo(x, 0)
2400#define mtlo1(x) _dsp_mtlo(x, 1)
2401#define mtlo2(x) _dsp_mtlo(x, 2)
2402#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 2403
4cb764b4
SH
2404#define mthi0(x) _dsp_mthi(x, 0)
2405#define mthi1(x) _dsp_mthi(x, 1)
2406#define mthi2(x) _dsp_mthi(x, 2)
2407#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f
RB
2408
2409#endif
2410
1da177e4
LT
2411/*
2412 * TLB operations.
2413 *
2414 * It is responsibility of the caller to take care of any TLB hazards.
2415 */
2416static inline void tlb_probe(void)
2417{
2418 __asm__ __volatile__(
2419 ".set noreorder\n\t"
2420 "tlbp\n\t"
2421 ".set reorder");
2422}
2423
2424static inline void tlb_read(void)
2425{
9267a30d
MSJ
2426#if MIPS34K_MISSED_ITLB_WAR
2427 int res = 0;
2428
2429 __asm__ __volatile__(
2430 " .set push \n"
2431 " .set noreorder \n"
2432 " .set noat \n"
2433 " .set mips32r2 \n"
2434 " .word 0x41610001 # dvpe $1 \n"
2435 " move %0, $1 \n"
2436 " ehb \n"
2437 " .set pop \n"
2438 : "=r" (res));
2439
2440 instruction_hazard();
2441#endif
2442
1da177e4
LT
2443 __asm__ __volatile__(
2444 ".set noreorder\n\t"
2445 "tlbr\n\t"
2446 ".set reorder");
9267a30d
MSJ
2447
2448#if MIPS34K_MISSED_ITLB_WAR
2449 if ((res & _ULCAST_(1)))
2450 __asm__ __volatile__(
2451 " .set push \n"
2452 " .set noreorder \n"
2453 " .set noat \n"
2454 " .set mips32r2 \n"
2455 " .word 0x41600021 # evpe \n"
2456 " ehb \n"
2457 " .set pop \n");
2458#endif
1da177e4
LT
2459}
2460
2461static inline void tlb_write_indexed(void)
2462{
2463 __asm__ __volatile__(
2464 ".set noreorder\n\t"
2465 "tlbwi\n\t"
2466 ".set reorder");
2467}
2468
2469static inline void tlb_write_random(void)
2470{
2471 __asm__ __volatile__(
2472 ".set noreorder\n\t"
2473 "tlbwr\n\t"
2474 ".set reorder");
2475}
2476
bad50d79
JH
2477#ifdef TOOLCHAIN_SUPPORTS_VIRT
2478
1da177e4 2479/*
7eb91118
JH
2480 * Guest TLB operations.
2481 *
2482 * It is responsibility of the caller to take care of any TLB hazards.
2483 */
2484static inline void guest_tlb_probe(void)
2485{
2486 __asm__ __volatile__(
2487 ".set push\n\t"
2488 ".set noreorder\n\t"
2489 ".set virt\n\t"
2490 "tlbgp\n\t"
2491 ".set pop");
2492}
2493
2494static inline void guest_tlb_read(void)
2495{
2496 __asm__ __volatile__(
2497 ".set push\n\t"
2498 ".set noreorder\n\t"
2499 ".set virt\n\t"
2500 "tlbgr\n\t"
2501 ".set pop");
2502}
2503
2504static inline void guest_tlb_write_indexed(void)
2505{
2506 __asm__ __volatile__(
2507 ".set push\n\t"
2508 ".set noreorder\n\t"
2509 ".set virt\n\t"
2510 "tlbgwi\n\t"
2511 ".set pop");
2512}
2513
2514static inline void guest_tlb_write_random(void)
2515{
2516 __asm__ __volatile__(
2517 ".set push\n\t"
2518 ".set noreorder\n\t"
2519 ".set virt\n\t"
2520 "tlbgwr\n\t"
2521 ".set pop");
2522}
2523
2524/*
2525 * Guest TLB Invalidate Flush
1da177e4 2526 */
7eb91118
JH
2527static inline void guest_tlbinvf(void)
2528{
2529 __asm__ __volatile__(
2530 ".set push\n\t"
2531 ".set noreorder\n\t"
2532 ".set virt\n\t"
2533 "tlbginvf\n\t"
2534 ".set pop");
2535}
2536
bad50d79
JH
2537#else /* TOOLCHAIN_SUPPORTS_VIRT */
2538
2539/*
2540 * Guest TLB operations.
2541 *
2542 * It is responsibility of the caller to take care of any TLB hazards.
2543 */
2544static inline void guest_tlb_probe(void)
2545{
2546 __asm__ __volatile__(
2547 "# tlbgp\n\t"
1c48a177
JH
2548 _ASM_INSN_IF_MIPS(0x42000010)
2549 _ASM_INSN32_IF_MM(0x0000017c));
bad50d79
JH
2550}
2551
2552static inline void guest_tlb_read(void)
2553{
2554 __asm__ __volatile__(
2555 "# tlbgr\n\t"
1c48a177
JH
2556 _ASM_INSN_IF_MIPS(0x42000009)
2557 _ASM_INSN32_IF_MM(0x0000117c));
bad50d79
JH
2558}
2559
2560static inline void guest_tlb_write_indexed(void)
2561{
2562 __asm__ __volatile__(
2563 "# tlbgwi\n\t"
1c48a177
JH
2564 _ASM_INSN_IF_MIPS(0x4200000a)
2565 _ASM_INSN32_IF_MM(0x0000217c));
bad50d79
JH
2566}
2567
2568static inline void guest_tlb_write_random(void)
2569{
2570 __asm__ __volatile__(
2571 "# tlbgwr\n\t"
1c48a177
JH
2572 _ASM_INSN_IF_MIPS(0x4200000e)
2573 _ASM_INSN32_IF_MM(0x0000317c));
bad50d79
JH
2574}
2575
2576/*
2577 * Guest TLB Invalidate Flush
2578 */
2579static inline void guest_tlbinvf(void)
2580{
2581 __asm__ __volatile__(
2582 "# tlbginvf\n\t"
1c48a177
JH
2583 _ASM_INSN_IF_MIPS(0x4200000c)
2584 _ASM_INSN32_IF_MM(0x0000517c));
bad50d79
JH
2585}
2586
2587#endif /* !TOOLCHAIN_SUPPORTS_VIRT */
2588
7eb91118
JH
2589/*
2590 * Manipulate bits in a register.
2591 */
2592#define __BUILD_SET_COMMON(name) \
1da177e4 2593static inline unsigned int \
7eb91118 2594set_##name(unsigned int set) \
1da177e4 2595{ \
89e18eb3 2596 unsigned int res, new; \
1da177e4 2597 \
7eb91118 2598 res = read_##name(); \
89e18eb3 2599 new = res | set; \
7eb91118 2600 write_##name(new); \
1da177e4
LT
2601 \
2602 return res; \
2603} \
2604 \
2605static inline unsigned int \
7eb91118 2606clear_##name(unsigned int clear) \
1da177e4 2607{ \
89e18eb3 2608 unsigned int res, new; \
1da177e4 2609 \
7eb91118 2610 res = read_##name(); \
89e18eb3 2611 new = res & ~clear; \
7eb91118 2612 write_##name(new); \
1da177e4
LT
2613 \
2614 return res; \
2615} \
2616 \
2617static inline unsigned int \
7eb91118 2618change_##name(unsigned int change, unsigned int val) \
1da177e4 2619{ \
89e18eb3 2620 unsigned int res, new; \
1da177e4 2621 \
7eb91118 2622 res = read_##name(); \
89e18eb3
RB
2623 new = res & ~change; \
2624 new |= (val & change); \
7eb91118 2625 write_##name(new); \
1da177e4
LT
2626 \
2627 return res; \
2628}
2629
7eb91118
JH
2630/*
2631 * Manipulate bits in a c0 register.
2632 */
2633#define __BUILD_SET_C0(name) __BUILD_SET_COMMON(c0_##name)
2634
1da177e4
LT
2635__BUILD_SET_C0(status)
2636__BUILD_SET_C0(cause)
2637__BUILD_SET_C0(config)
7f65afb9 2638__BUILD_SET_C0(config5)
1da177e4 2639__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
2640__BUILD_SET_C0(intctl)
2641__BUILD_SET_C0(srsmap)
a5770df0 2642__BUILD_SET_C0(pagegrain)
f913e9ea
JH
2643__BUILD_SET_C0(guestctl0)
2644__BUILD_SET_C0(guestctl0ext)
2645__BUILD_SET_C0(guestctl1)
2646__BUILD_SET_C0(guestctl2)
2647__BUILD_SET_C0(guestctl3)
020232f1
KC
2648__BUILD_SET_C0(brcm_config_0)
2649__BUILD_SET_C0(brcm_bus_pll)
2650__BUILD_SET_C0(brcm_reset)
2651__BUILD_SET_C0(brcm_cmt_intr)
2652__BUILD_SET_C0(brcm_cmt_ctrl)
2653__BUILD_SET_C0(brcm_config)
2654__BUILD_SET_C0(brcm_mode)
1da177e4 2655
7eb91118
JH
2656/*
2657 * Manipulate bits in a guest c0 register.
2658 */
2659#define __BUILD_SET_GC0(name) __BUILD_SET_COMMON(gc0_##name)
2660
2661__BUILD_SET_GC0(status)
2662__BUILD_SET_GC0(cause)
2663__BUILD_SET_GC0(ebase)
2664
45b585c8
DD
2665/*
2666 * Return low 10 bits of ebase.
2667 * Note that under KVM (MIPSVZ) this returns vcpu id.
2668 */
2669static inline unsigned int get_ebase_cpunum(void)
2670{
37af2f30 2671 return read_c0_ebase() & MIPS_EBASE_CPUNUM;
45b585c8
DD
2672}
2673
1da177e4
LT
2674#endif /* !__ASSEMBLY__ */
2675
2676#endif /* _ASM_MIPSREGS_H */
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