Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
[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 535/* Bits specific to the MIPS32/64 PRA. */
4b34bca0 536#define MIPS_CONF_VI (_ULCAST_(1) << 3)
70342287 537#define MIPS_CONF_MT (_ULCAST_(7) << 7)
2f6f3136
JH
538#define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7)
539#define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
1da177e4
LT
540#define MIPS_CONF_AR (_ULCAST_(7) << 10)
541#define MIPS_CONF_AT (_ULCAST_(3) << 13)
542#define MIPS_CONF_M (_ULCAST_(1) << 31)
543
4194318c
RB
544/*
545 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
546 */
70342287
RB
547#define MIPS_CONF1_FP (_ULCAST_(1) << 0)
548#define MIPS_CONF1_EP (_ULCAST_(1) << 1)
549#define MIPS_CONF1_CA (_ULCAST_(1) << 2)
550#define MIPS_CONF1_WR (_ULCAST_(1) << 3)
551#define MIPS_CONF1_PC (_ULCAST_(1) << 4)
552#define MIPS_CONF1_MD (_ULCAST_(1) << 5)
553#define MIPS_CONF1_C2 (_ULCAST_(1) << 6)
20a8d5d5
PB
554#define MIPS_CONF1_DA_SHF 7
555#define MIPS_CONF1_DA_SZ 3
70342287 556#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
20a8d5d5
PB
557#define MIPS_CONF1_DL_SHF 10
558#define MIPS_CONF1_DL_SZ 3
4194318c 559#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
20a8d5d5
PB
560#define MIPS_CONF1_DS_SHF 13
561#define MIPS_CONF1_DS_SZ 3
4194318c 562#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
20a8d5d5
PB
563#define MIPS_CONF1_IA_SHF 16
564#define MIPS_CONF1_IA_SZ 3
4194318c 565#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
20a8d5d5
PB
566#define MIPS_CONF1_IL_SHF 19
567#define MIPS_CONF1_IL_SZ 3
4194318c 568#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
20a8d5d5
PB
569#define MIPS_CONF1_IS_SHF 22
570#define MIPS_CONF1_IS_SZ 3
4194318c 571#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
691038ba
LY
572#define MIPS_CONF1_TLBS_SHIFT (25)
573#define MIPS_CONF1_TLBS_SIZE (6)
574#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
4194318c 575
70342287
RB
576#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
577#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
578#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
4194318c
RB
579#define MIPS_CONF2_SU (_ULCAST_(15)<< 12)
580#define MIPS_CONF2_TA (_ULCAST_(15)<< 16)
581#define MIPS_CONF2_TL (_ULCAST_(15)<< 20)
582#define MIPS_CONF2_TS (_ULCAST_(15)<< 24)
583#define MIPS_CONF2_TU (_ULCAST_(7) << 28)
584
70342287
RB
585#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
586#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
587#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
691038ba 588#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
70342287
RB
589#define MIPS_CONF3_SP (_ULCAST_(1) << 4)
590#define MIPS_CONF3_VINT (_ULCAST_(1) << 5)
591#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
592#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
691038ba
LY
593#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
594#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
e50c0a8f 595#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
ee80f7c7 596#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
b2ab4f08 597#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
a3692020 598#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
f8fa4811 599#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
c6213c6c 600#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
691038ba
LY
601#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
602#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
603#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
1e7decdb 604#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
691038ba
LY
605#define MIPS_CONF3_PW (_ULCAST_(1) << 24)
606#define MIPS_CONF3_SC (_ULCAST_(1) << 25)
607#define MIPS_CONF3_BI (_ULCAST_(1) << 26)
608#define MIPS_CONF3_BP (_ULCAST_(1) << 27)
609#define MIPS_CONF3_MSA (_ULCAST_(1) << 28)
610#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29)
611#define MIPS_CONF3_BPG (_ULCAST_(1) << 30)
612
613#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
1b362e3e 614#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
691038ba 615#define MIPS_CONF4_FTLBSETS_SHIFT (0)
691038ba
LY
616#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
617#define MIPS_CONF4_FTLBWAYS_SHIFT (4)
618#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
619#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8)
620/* bits 10:8 in FTLB-only configurations */
621#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
622/* bits 12:8 in VTLB-FTLB only configurations */
623#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
1b362e3e
DD
624#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
625#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
691038ba
LY
626#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
627#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
9e575f75
JH
628#define MIPS_CONF4_KSCREXIST_SHIFT (16)
629#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT)
691038ba
LY
630#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24)
631#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
632#define MIPS_CONF4_AE (_ULCAST_(1) << 28)
633#define MIPS_CONF4_IE (_ULCAST_(3) << 29)
634#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29)
1b362e3e 635
2f9ee82c
RB
636#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
637#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
e19d5dba 638#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
5aed9da1 639#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
23d06e4f 640#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
f270d881 641#define MIPS_CONF5_VP (_ULCAST_(1) << 7)
5ff04a84
PB
642#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
643#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
2f9ee82c
RB
644#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
645#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
646#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
647#define MIPS_CONF5_K (_ULCAST_(1) << 30)
648
006a851b 649#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
75b5b5e0
LY
650/* proAptiv FTLB on/off bit */
651#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
b2edcfc8
HC
652/* Loongson-3 FTLB on/off bit */
653#define MIPS_CONF6_FTLBDIS (_ULCAST_(1) << 22)
cf0a8aa0
MC
654/* FTLB probability bits */
655#define MIPS_CONF6_FTLBP_SHIFT (16)
006a851b 656
4b3e975e
RB
657#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
658
9267a30d
MSJ
659#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
660
02dc6bfb
MC
661#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
662#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
663
50af501c
JH
664/* WatchLo* register definitions */
665#define MIPS_WATCHLO_IRW (_ULCAST_(0x7) << 0)
666
667/* WatchHi* register definitions */
668#define MIPS_WATCHHI_M (_ULCAST_(1) << 31)
669#define MIPS_WATCHHI_G (_ULCAST_(1) << 30)
670#define MIPS_WATCHHI_WM (_ULCAST_(0x3) << 28)
671#define MIPS_WATCHHI_WM_R_RVA (_ULCAST_(0) << 28)
672#define MIPS_WATCHHI_WM_R_GPA (_ULCAST_(1) << 28)
673#define MIPS_WATCHHI_WM_G_GVA (_ULCAST_(2) << 28)
674#define MIPS_WATCHHI_EAS (_ULCAST_(0x3) << 24)
675#define MIPS_WATCHHI_ASID (_ULCAST_(0xff) << 16)
676#define MIPS_WATCHHI_MASK (_ULCAST_(0x1ff) << 3)
677#define MIPS_WATCHHI_I (_ULCAST_(1) << 2)
678#define MIPS_WATCHHI_R (_ULCAST_(1) << 1)
679#define MIPS_WATCHHI_W (_ULCAST_(1) << 0)
680#define MIPS_WATCHHI_IRW (_ULCAST_(0x7) << 0)
681
e19d5dba
PB
682/* MAAR bit definitions */
683#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
684#define MIPS_MAAR_ADDR_SHIFT 12
685#define MIPS_MAAR_S (_ULCAST_(1) << 1)
686#define MIPS_MAAR_V (_ULCAST_(1) << 0)
687
37af2f30
JH
688/* EBase bit definitions */
689#define MIPS_EBASE_CPUNUM_SHIFT 0
690#define MIPS_EBASE_CPUNUM (_ULCAST_(0x3ff) << 0)
691#define MIPS_EBASE_WG_SHIFT 11
692#define MIPS_EBASE_WG (_ULCAST_(1) << 11)
693#define MIPS_EBASE_BASE_SHIFT 12
694#define MIPS_EBASE_BASE (~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1))
695
4dd8ee5d
PB
696/* CMGCRBase bit definitions */
697#define MIPS_CMGCRB_BASE 11
698#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
699
4a0156fb
SH
700/*
701 * Bits in the MIPS32 Memory Segmentation registers.
702 */
703#define MIPS_SEGCFG_PA_SHIFT 9
704#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
705#define MIPS_SEGCFG_AM_SHIFT 4
706#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
707#define MIPS_SEGCFG_EU_SHIFT 3
708#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
709#define MIPS_SEGCFG_C_SHIFT 0
710#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
711
712#define MIPS_SEGCFG_UUSK _ULCAST_(7)
713#define MIPS_SEGCFG_USK _ULCAST_(5)
714#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
715#define MIPS_SEGCFG_MUSK _ULCAST_(3)
716#define MIPS_SEGCFG_MSK _ULCAST_(2)
717#define MIPS_SEGCFG_MK _ULCAST_(1)
718#define MIPS_SEGCFG_UK _ULCAST_(0)
719
87d08bc9
MC
720#define MIPS_PWFIELD_GDI_SHIFT 24
721#define MIPS_PWFIELD_GDI_MASK 0x3f000000
722#define MIPS_PWFIELD_UDI_SHIFT 18
723#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
724#define MIPS_PWFIELD_MDI_SHIFT 12
725#define MIPS_PWFIELD_MDI_MASK 0x0003f000
726#define MIPS_PWFIELD_PTI_SHIFT 6
727#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
728#define MIPS_PWFIELD_PTEI_SHIFT 0
729#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
730
6446e6cf
JH
731#define MIPS_PWSIZE_PS_SHIFT 30
732#define MIPS_PWSIZE_PS_MASK 0x40000000
87d08bc9
MC
733#define MIPS_PWSIZE_GDW_SHIFT 24
734#define MIPS_PWSIZE_GDW_MASK 0x3f000000
735#define MIPS_PWSIZE_UDW_SHIFT 18
736#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
737#define MIPS_PWSIZE_MDW_SHIFT 12
738#define MIPS_PWSIZE_MDW_MASK 0x0003f000
739#define MIPS_PWSIZE_PTW_SHIFT 6
740#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
741#define MIPS_PWSIZE_PTEW_SHIFT 0
742#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
743
744#define MIPS_PWCTL_PWEN_SHIFT 31
745#define MIPS_PWCTL_PWEN_MASK 0x80000000
6446e6cf
JH
746#define MIPS_PWCTL_XK_SHIFT 28
747#define MIPS_PWCTL_XK_MASK 0x10000000
748#define MIPS_PWCTL_XS_SHIFT 27
749#define MIPS_PWCTL_XS_MASK 0x08000000
750#define MIPS_PWCTL_XU_SHIFT 26
751#define MIPS_PWCTL_XU_MASK 0x04000000
87d08bc9
MC
752#define MIPS_PWCTL_DPH_SHIFT 7
753#define MIPS_PWCTL_DPH_MASK 0x00000080
754#define MIPS_PWCTL_HUGEPG_SHIFT 6
755#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
756#define MIPS_PWCTL_PSN_SHIFT 0
757#define MIPS_PWCTL_PSN_MASK 0x0000003f
758
f913e9ea
JH
759/* GuestCtl0 fields */
760#define MIPS_GCTL0_GM_SHIFT 31
761#define MIPS_GCTL0_GM (_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT)
762#define MIPS_GCTL0_RI_SHIFT 30
763#define MIPS_GCTL0_RI (_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT)
764#define MIPS_GCTL0_MC_SHIFT 29
765#define MIPS_GCTL0_MC (_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT)
766#define MIPS_GCTL0_CP0_SHIFT 28
767#define MIPS_GCTL0_CP0 (_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT)
768#define MIPS_GCTL0_AT_SHIFT 26
769#define MIPS_GCTL0_AT (_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT)
770#define MIPS_GCTL0_GT_SHIFT 25
771#define MIPS_GCTL0_GT (_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT)
772#define MIPS_GCTL0_CG_SHIFT 24
773#define MIPS_GCTL0_CG (_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT)
774#define MIPS_GCTL0_CF_SHIFT 23
775#define MIPS_GCTL0_CF (_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT)
776#define MIPS_GCTL0_G1_SHIFT 22
777#define MIPS_GCTL0_G1 (_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT)
778#define MIPS_GCTL0_G0E_SHIFT 19
779#define MIPS_GCTL0_G0E (_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT)
780#define MIPS_GCTL0_PT_SHIFT 18
781#define MIPS_GCTL0_PT (_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT)
782#define MIPS_GCTL0_RAD_SHIFT 9
783#define MIPS_GCTL0_RAD (_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT)
784#define MIPS_GCTL0_DRG_SHIFT 8
785#define MIPS_GCTL0_DRG (_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT)
786#define MIPS_GCTL0_G2_SHIFT 7
787#define MIPS_GCTL0_G2 (_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT)
788#define MIPS_GCTL0_GEXC_SHIFT 2
789#define MIPS_GCTL0_GEXC (_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT)
790#define MIPS_GCTL0_SFC2_SHIFT 1
791#define MIPS_GCTL0_SFC2 (_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT)
792#define MIPS_GCTL0_SFC1_SHIFT 0
793#define MIPS_GCTL0_SFC1 (_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT)
794
795/* GuestCtl0.AT Guest address translation control */
796#define MIPS_GCTL0_AT_ROOT 1 /* Guest MMU under Root control */
797#define MIPS_GCTL0_AT_GUEST 3 /* Guest MMU under Guest control */
798
799/* GuestCtl0.GExcCode Hypervisor exception cause codes */
800#define MIPS_GCTL0_GEXC_GPSI 0 /* Guest Privileged Sensitive Instruction */
801#define MIPS_GCTL0_GEXC_GSFC 1 /* Guest Software Field Change */
802#define MIPS_GCTL0_GEXC_HC 2 /* Hypercall */
803#define MIPS_GCTL0_GEXC_GRR 3 /* Guest Reserved Instruction Redirect */
804#define MIPS_GCTL0_GEXC_GVA 8 /* Guest Virtual Address available */
805#define MIPS_GCTL0_GEXC_GHFC 9 /* Guest Hardware Field Change */
806#define MIPS_GCTL0_GEXC_GPA 10 /* Guest Physical Address available */
807
808/* GuestCtl0Ext fields */
809#define MIPS_GCTL0EXT_RPW_SHIFT 8
810#define MIPS_GCTL0EXT_RPW (_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT)
811#define MIPS_GCTL0EXT_NCC_SHIFT 6
812#define MIPS_GCTL0EXT_NCC (_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT)
813#define MIPS_GCTL0EXT_CGI_SHIFT 4
814#define MIPS_GCTL0EXT_CGI (_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT)
815#define MIPS_GCTL0EXT_FCD_SHIFT 3
816#define MIPS_GCTL0EXT_FCD (_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT)
817#define MIPS_GCTL0EXT_OG_SHIFT 2
818#define MIPS_GCTL0EXT_OG (_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT)
819#define MIPS_GCTL0EXT_BG_SHIFT 1
820#define MIPS_GCTL0EXT_BG (_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT)
821#define MIPS_GCTL0EXT_MG_SHIFT 0
822#define MIPS_GCTL0EXT_MG (_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT)
823
824/* GuestCtl0Ext.RPW Root page walk configuration */
825#define MIPS_GCTL0EXT_RPW_BOTH 0 /* Root PW for GPA->RPA and RVA->RPA */
826#define MIPS_GCTL0EXT_RPW_GPA 2 /* Root PW for GPA->RPA */
827#define MIPS_GCTL0EXT_RPW_RVA 3 /* Root PW for RVA->RPA */
828
829/* GuestCtl0Ext.NCC Nested cache coherency attributes */
830#define MIPS_GCTL0EXT_NCC_IND 0 /* Guest CCA independent of Root CCA */
831#define MIPS_GCTL0EXT_NCC_MOD 1 /* Guest CCA modified by Root CCA */
832
833/* GuestCtl1 fields */
834#define MIPS_GCTL1_ID_SHIFT 0
835#define MIPS_GCTL1_ID_WIDTH 8
836#define MIPS_GCTL1_ID (_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT)
837#define MIPS_GCTL1_RID_SHIFT 16
838#define MIPS_GCTL1_RID_WIDTH 8
839#define MIPS_GCTL1_RID (_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT)
840#define MIPS_GCTL1_EID_SHIFT 24
841#define MIPS_GCTL1_EID_WIDTH 8
842#define MIPS_GCTL1_EID (_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT)
843
844/* GuestID reserved for root context */
845#define MIPS_GCTL1_ROOT_GUESTID 0
846
9b3274bd
JH
847/* CDMMBase register bit definitions */
848#define MIPS_CDMMBASE_SIZE_SHIFT 0
849#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
850#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
851#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
852#define MIPS_CDMMBASE_ADDR_SHIFT 11
853#define MIPS_CDMMBASE_ADDR_START 15
854
aff565aa
JH
855/* RDHWR register numbers */
856#define MIPS_HWR_CPUNUM 0 /* CPU number */
857#define MIPS_HWR_SYNCISTEP 1 /* SYNCI step size */
858#define MIPS_HWR_CC 2 /* Cycle counter */
859#define MIPS_HWR_CCRES 3 /* Cycle counter resolution */
860#define MIPS_HWR_ULR 29 /* UserLocal */
861#define MIPS_HWR_IMPL1 30 /* Implementation dependent */
862#define MIPS_HWR_IMPL2 31 /* Implementation dependent */
863
864/* Bits in HWREna register */
865#define MIPS_HWRENA_CPUNUM (_ULCAST_(1) << MIPS_HWR_CPUNUM)
866#define MIPS_HWRENA_SYNCISTEP (_ULCAST_(1) << MIPS_HWR_SYNCISTEP)
867#define MIPS_HWRENA_CC (_ULCAST_(1) << MIPS_HWR_CC)
868#define MIPS_HWRENA_CCRES (_ULCAST_(1) << MIPS_HWR_CCRES)
869#define MIPS_HWRENA_ULR (_ULCAST_(1) << MIPS_HWR_ULR)
870#define MIPS_HWRENA_IMPL1 (_ULCAST_(1) << MIPS_HWR_IMPL1)
871#define MIPS_HWRENA_IMPL2 (_ULCAST_(1) << MIPS_HWR_IMPL2)
872
e08384ca
MR
873/*
874 * Bitfields in the TX39 family CP0 Configuration Register 3
875 */
876#define TX39_CONF_ICS_SHIFT 19
877#define TX39_CONF_ICS_MASK 0x00380000
878#define TX39_CONF_ICS_1KB 0x00000000
879#define TX39_CONF_ICS_2KB 0x00080000
880#define TX39_CONF_ICS_4KB 0x00100000
881#define TX39_CONF_ICS_8KB 0x00180000
882#define TX39_CONF_ICS_16KB 0x00200000
883
884#define TX39_CONF_DCS_SHIFT 16
885#define TX39_CONF_DCS_MASK 0x00070000
886#define TX39_CONF_DCS_1KB 0x00000000
887#define TX39_CONF_DCS_2KB 0x00010000
888#define TX39_CONF_DCS_4KB 0x00020000
889#define TX39_CONF_DCS_8KB 0x00030000
890#define TX39_CONF_DCS_16KB 0x00040000
891
892#define TX39_CONF_CWFON 0x00004000
893#define TX39_CONF_WBON 0x00002000
894#define TX39_CONF_RF_SHIFT 10
895#define TX39_CONF_RF_MASK 0x00000c00
896#define TX39_CONF_DOZE 0x00000200
897#define TX39_CONF_HALT 0x00000100
898#define TX39_CONF_LOCK 0x00000080
899#define TX39_CONF_ICE 0x00000020
900#define TX39_CONF_DCE 0x00000010
901#define TX39_CONF_IRSIZE_SHIFT 2
902#define TX39_CONF_IRSIZE_MASK 0x0000000c
903#define TX39_CONF_DRSIZE_SHIFT 0
904#define TX39_CONF_DRSIZE_MASK 0x00000003
905
8d5ded16
JK
906/*
907 * Interesting Bits in the R10K CP0 Branch Diagnostic Register
908 */
909/* Disable Branch Target Address Cache */
910#define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27)
911/* Enable Branch Prediction Global History */
912#define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26)
913/* Disable Branch Return Cache */
914#define R10K_DIAG_D_BRC (_ULCAST_(1) << 22)
fda51906 915
06e4814e
HC
916/* Flush ITLB */
917#define LOONGSON_DIAG_ITLB (_ULCAST_(1) << 2)
918/* Flush DTLB */
919#define LOONGSON_DIAG_DTLB (_ULCAST_(1) << 3)
920/* Flush VTLB */
921#define LOONGSON_DIAG_VTLB (_ULCAST_(1) << 12)
922/* Flush FTLB */
923#define LOONGSON_DIAG_FTLB (_ULCAST_(1) << 13)
924
fda51906
MR
925/*
926 * Coprocessor 1 (FPU) register names
927 */
c491cfa2
MR
928#define CP1_REVISION $0
929#define CP1_UFR $1
930#define CP1_UNFR $4
931#define CP1_FCCR $25
932#define CP1_FEXR $26
933#define CP1_FENR $28
934#define CP1_STATUS $31
fda51906
MR
935
936
937/*
938 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
939 */
940#define MIPS_FPIR_S (_ULCAST_(1) << 16)
941#define MIPS_FPIR_D (_ULCAST_(1) << 17)
942#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
943#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
944#define MIPS_FPIR_W (_ULCAST_(1) << 20)
945#define MIPS_FPIR_L (_ULCAST_(1) << 21)
946#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
f1f3b7eb
MR
947#define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
948#define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
fda51906
MR
949#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
950
c491cfa2
MR
951/*
952 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
953 */
954#define MIPS_FCCR_CONDX_S 0
955#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
956#define MIPS_FCCR_COND0_S 0
957#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
958#define MIPS_FCCR_COND1_S 1
959#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
960#define MIPS_FCCR_COND2_S 2
961#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
962#define MIPS_FCCR_COND3_S 3
963#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
964#define MIPS_FCCR_COND4_S 4
965#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
966#define MIPS_FCCR_COND5_S 5
967#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
968#define MIPS_FCCR_COND6_S 6
969#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
970#define MIPS_FCCR_COND7_S 7
971#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
972
973/*
974 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
975 */
976#define MIPS_FENR_FS_S 2
977#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
978
fda51906
MR
979/*
980 * FPU Status Register Values
981 */
c491cfa2
MR
982#define FPU_CSR_COND_S 23 /* $fcc0 */
983#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
984
985#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
986#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
987
988#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
989#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
990#define FPU_CSR_COND1_S 25 /* $fcc1 */
991#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
992#define FPU_CSR_COND2_S 26 /* $fcc2 */
993#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
994#define FPU_CSR_COND3_S 27 /* $fcc3 */
995#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
996#define FPU_CSR_COND4_S 28 /* $fcc4 */
997#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
998#define FPU_CSR_COND5_S 29 /* $fcc5 */
999#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
1000#define FPU_CSR_COND6_S 30 /* $fcc6 */
1001#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
1002#define FPU_CSR_COND7_S 31 /* $fcc7 */
1003#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
fda51906
MR
1004
1005/*
f1f3b7eb 1006 * Bits 22:20 of the FPU Status Register will be read as 0,
fda51906
MR
1007 * and should be written as zero.
1008 */
f1f3b7eb
MR
1009#define FPU_CSR_RSVD (_ULCAST_(7) << 20)
1010
1011#define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
1012#define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
fda51906
MR
1013
1014/*
1015 * X the exception cause indicator
1016 * E the exception enable
1017 * S the sticky/flag bit
1018*/
1019#define FPU_CSR_ALL_X 0x0003f000
1020#define FPU_CSR_UNI_X 0x00020000
1021#define FPU_CSR_INV_X 0x00010000
1022#define FPU_CSR_DIV_X 0x00008000
1023#define FPU_CSR_OVF_X 0x00004000
1024#define FPU_CSR_UDF_X 0x00002000
1025#define FPU_CSR_INE_X 0x00001000
1026
1027#define FPU_CSR_ALL_E 0x00000f80
1028#define FPU_CSR_INV_E 0x00000800
1029#define FPU_CSR_DIV_E 0x00000400
1030#define FPU_CSR_OVF_E 0x00000200
1031#define FPU_CSR_UDF_E 0x00000100
1032#define FPU_CSR_INE_E 0x00000080
1033
1034#define FPU_CSR_ALL_S 0x0000007c
1035#define FPU_CSR_INV_S 0x00000040
1036#define FPU_CSR_DIV_S 0x00000020
1037#define FPU_CSR_OVF_S 0x00000010
1038#define FPU_CSR_UDF_S 0x00000008
1039#define FPU_CSR_INE_S 0x00000004
1040
1041/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
1042#define FPU_CSR_RM 0x00000003
1043#define FPU_CSR_RN 0x0 /* nearest */
1044#define FPU_CSR_RZ 0x1 /* towards zero */
1045#define FPU_CSR_RU 0x2 /* towards +Infinity */
1046#define FPU_CSR_RD 0x3 /* towards -Infinity */
1047
1048
1da177e4
LT
1049#ifndef __ASSEMBLY__
1050
bfd08baa 1051/*
377cb1b6 1052 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
bfd08baa 1053 */
377cb1b6
RB
1054#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
1055 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
bfd08baa
SH
1056#define get_isa16_mode(x) ((x) & 0x1)
1057#define msk_isa16_mode(x) ((x) & ~0x1)
1058#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
377cb1b6
RB
1059#else
1060#define get_isa16_mode(x) 0
1061#define msk_isa16_mode(x) (x)
1062#define set_isa16_mode(x) do { } while(0)
1063#endif
bfd08baa
SH
1064
1065/*
1066 * microMIPS instructions can be 16-bit or 32-bit in length. This
1067 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
1068 */
1069static inline int mm_insn_16bit(u16 insn)
1070{
1071 u16 opcode = (insn >> 10) & 0x7;
1072
1073 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
1074}
1075
0dfa1c12
JH
1076/*
1077 * Helper macros for generating raw instruction encodings in inline asm.
1078 */
1079#ifdef CONFIG_CPU_MICROMIPS
1080#define _ASM_INSN16_IF_MM(_enc) \
1081 ".insn\n\t" \
1082 ".hword (" #_enc ")\n\t"
1083#define _ASM_INSN32_IF_MM(_enc) \
1084 ".insn\n\t" \
1085 ".hword ((" #_enc ") >> 16)\n\t" \
1086 ".hword ((" #_enc ") & 0xffff)\n\t"
1087#else
1088#define _ASM_INSN_IF_MIPS(_enc) \
1089 ".insn\n\t" \
1090 ".word (" #_enc ")\n\t"
1091#endif
1092
1093#ifndef _ASM_INSN16_IF_MM
1094#define _ASM_INSN16_IF_MM(_enc)
1095#endif
1096#ifndef _ASM_INSN32_IF_MM
1097#define _ASM_INSN32_IF_MM(_enc)
1098#endif
1099#ifndef _ASM_INSN_IF_MIPS
1100#define _ASM_INSN_IF_MIPS(_enc)
1101#endif
1102
198bb4ce
LY
1103/*
1104 * TLB Invalidate Flush
1105 */
1106static inline void tlbinvf(void)
1107{
1108 __asm__ __volatile__(
1109 ".set push\n\t"
1110 ".set noreorder\n\t"
c84700cc
JH
1111 "# tlbinvf\n\t"
1112 _ASM_INSN_IF_MIPS(0x42000004)
1113 _ASM_INSN32_IF_MM(0x0000537c)
198bb4ce
LY
1114 ".set pop");
1115}
1116
1117
1da177e4 1118/*
70342287 1119 * Functions to access the R10000 performance counters. These are basically
1da177e4
LT
1120 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
1121 * performance counter number encoded into bits 1 ... 5 of the instruction.
1122 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
1123 * disassembler these will look like an access to sel 0 or 1.
1124 */
1125#define read_r10k_perf_cntr(counter) \
1126({ \
1127 unsigned int __res; \
1128 __asm__ __volatile__( \
1129 "mfpc\t%0, %1" \
70342287 1130 : "=r" (__res) \
1da177e4
LT
1131 : "i" (counter)); \
1132 \
70342287 1133 __res; \
1da177e4
LT
1134})
1135
70342287 1136#define write_r10k_perf_cntr(counter,val) \
1da177e4
LT
1137do { \
1138 __asm__ __volatile__( \
1139 "mtpc\t%0, %1" \
1140 : \
1141 : "r" (val), "i" (counter)); \
1142} while (0)
1143
1144#define read_r10k_perf_event(counter) \
1145({ \
1146 unsigned int __res; \
1147 __asm__ __volatile__( \
1148 "mfps\t%0, %1" \
70342287 1149 : "=r" (__res) \
1da177e4
LT
1150 : "i" (counter)); \
1151 \
70342287 1152 __res; \
1da177e4
LT
1153})
1154
70342287 1155#define write_r10k_perf_cntl(counter,val) \
1da177e4
LT
1156do { \
1157 __asm__ __volatile__( \
1158 "mtps\t%0, %1" \
1159 : \
1160 : "r" (val), "i" (counter)); \
1161} while (0)
1162
1163
1164/*
1165 * Macros to access the system control coprocessor
1166 */
1167
1168#define __read_32bit_c0_register(source, sel) \
82eb8f73 1169({ unsigned int __res; \
1da177e4
LT
1170 if (sel == 0) \
1171 __asm__ __volatile__( \
1172 "mfc0\t%0, " #source "\n\t" \
1173 : "=r" (__res)); \
1174 else \
1175 __asm__ __volatile__( \
1176 ".set\tmips32\n\t" \
1177 "mfc0\t%0, " #source ", " #sel "\n\t" \
1178 ".set\tmips0\n\t" \
1179 : "=r" (__res)); \
1180 __res; \
1181})
1182
1183#define __read_64bit_c0_register(source, sel) \
1184({ unsigned long long __res; \
1185 if (sizeof(unsigned long) == 4) \
1186 __res = __read_64bit_c0_split(source, sel); \
1187 else if (sel == 0) \
1188 __asm__ __volatile__( \
1189 ".set\tmips3\n\t" \
1190 "dmfc0\t%0, " #source "\n\t" \
1191 ".set\tmips0" \
1192 : "=r" (__res)); \
1193 else \
1194 __asm__ __volatile__( \
1195 ".set\tmips64\n\t" \
1196 "dmfc0\t%0, " #source ", " #sel "\n\t" \
1197 ".set\tmips0" \
1198 : "=r" (__res)); \
1199 __res; \
1200})
1201
1202#define __write_32bit_c0_register(register, sel, value) \
1203do { \
1204 if (sel == 0) \
1205 __asm__ __volatile__( \
1206 "mtc0\t%z0, " #register "\n\t" \
0952e290 1207 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
1208 else \
1209 __asm__ __volatile__( \
1210 ".set\tmips32\n\t" \
1211 "mtc0\t%z0, " #register ", " #sel "\n\t" \
1212 ".set\tmips0" \
0952e290 1213 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
1214} while (0)
1215
1216#define __write_64bit_c0_register(register, sel, value) \
1217do { \
1218 if (sizeof(unsigned long) == 4) \
1219 __write_64bit_c0_split(register, sel, value); \
1220 else if (sel == 0) \
1221 __asm__ __volatile__( \
1222 ".set\tmips3\n\t" \
1223 "dmtc0\t%z0, " #register "\n\t" \
1224 ".set\tmips0" \
1225 : : "Jr" (value)); \
1226 else \
1227 __asm__ __volatile__( \
1228 ".set\tmips64\n\t" \
1229 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
1230 ".set\tmips0" \
1231 : : "Jr" (value)); \
1232} while (0)
1233
1234#define __read_ulong_c0_register(reg, sel) \
1235 ((sizeof(unsigned long) == 4) ? \
1236 (unsigned long) __read_32bit_c0_register(reg, sel) : \
1237 (unsigned long) __read_64bit_c0_register(reg, sel))
1238
1239#define __write_ulong_c0_register(reg, sel, val) \
1240do { \
1241 if (sizeof(unsigned long) == 4) \
1242 __write_32bit_c0_register(reg, sel, val); \
1243 else \
1244 __write_64bit_c0_register(reg, sel, val); \
1245} while (0)
1246
1247/*
1248 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1249 */
1250#define __read_32bit_c0_ctrl_register(source) \
82eb8f73 1251({ unsigned int __res; \
1da177e4
LT
1252 __asm__ __volatile__( \
1253 "cfc0\t%0, " #source "\n\t" \
1254 : "=r" (__res)); \
1255 __res; \
1256})
1257
1258#define __write_32bit_c0_ctrl_register(register, value) \
1259do { \
1260 __asm__ __volatile__( \
1261 "ctc0\t%z0, " #register "\n\t" \
0952e290 1262 : : "Jr" ((unsigned int)(value))); \
1da177e4
LT
1263} while (0)
1264
1265/*
1266 * These versions are only needed for systems with more than 38 bits of
1267 * physical address space running the 32-bit kernel. That's none atm :-)
1268 */
1269#define __read_64bit_c0_split(source, sel) \
1270({ \
87d43dd4
AN
1271 unsigned long long __val; \
1272 unsigned long __flags; \
1da177e4 1273 \
87d43dd4 1274 local_irq_save(__flags); \
1da177e4
LT
1275 if (sel == 0) \
1276 __asm__ __volatile__( \
1277 ".set\tmips64\n\t" \
1278 "dmfc0\t%M0, " #source "\n\t" \
1279 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1280 "dsra\t%M0, %M0, 32\n\t" \
1281 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1282 ".set\tmips0" \
87d43dd4 1283 : "=r" (__val)); \
1da177e4
LT
1284 else \
1285 __asm__ __volatile__( \
1286 ".set\tmips64\n\t" \
1287 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1288 "dsll\t%L0, %M0, 32\n\t" \
0b543526
RB
1289 "dsra\t%M0, %M0, 32\n\t" \
1290 "dsra\t%L0, %L0, 32\n\t" \
1da177e4 1291 ".set\tmips0" \
87d43dd4
AN
1292 : "=r" (__val)); \
1293 local_irq_restore(__flags); \
1da177e4 1294 \
87d43dd4 1295 __val; \
1da177e4
LT
1296})
1297
1298#define __write_64bit_c0_split(source, sel, val) \
1299do { \
87d43dd4 1300 unsigned long __flags; \
1da177e4 1301 \
87d43dd4 1302 local_irq_save(__flags); \
1da177e4
LT
1303 if (sel == 0) \
1304 __asm__ __volatile__( \
1305 ".set\tmips64\n\t" \
1306 "dsll\t%L0, %L0, 32\n\t" \
1307 "dsrl\t%L0, %L0, 32\n\t" \
1308 "dsll\t%M0, %M0, 32\n\t" \
1309 "or\t%L0, %L0, %M0\n\t" \
1310 "dmtc0\t%L0, " #source "\n\t" \
1311 ".set\tmips0" \
1312 : : "r" (val)); \
1313 else \
1314 __asm__ __volatile__( \
1315 ".set\tmips64\n\t" \
1316 "dsll\t%L0, %L0, 32\n\t" \
1317 "dsrl\t%L0, %L0, 32\n\t" \
1318 "dsll\t%M0, %M0, 32\n\t" \
1319 "or\t%L0, %L0, %M0\n\t" \
1320 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1321 ".set\tmips0" \
1322 : : "r" (val)); \
87d43dd4 1323 local_irq_restore(__flags); \
1da177e4
LT
1324} while (0)
1325
23d06e4f
SH
1326#define __readx_32bit_c0_register(source) \
1327({ \
1328 unsigned int __res; \
1329 \
1330 __asm__ __volatile__( \
1331 " .set push \n" \
1332 " .set noat \n" \
1333 " .set mips32r2 \n" \
23d06e4f 1334 " # mfhc0 $1, %1 \n" \
c84700cc
JH
1335 _ASM_INSN_IF_MIPS(0x40410000 | ((%1 & 0x1f) << 11)) \
1336 _ASM_INSN32_IF_MM(0x002000f4 | ((%1 & 0x1f) << 16)) \
23d06e4f
SH
1337 " move %0, $1 \n" \
1338 " .set pop \n" \
1339 : "=r" (__res) \
1340 : "i" (source)); \
1341 __res; \
1342})
1343
1344#define __writex_32bit_c0_register(register, value) \
1345do { \
1346 __asm__ __volatile__( \
1347 " .set push \n" \
1348 " .set noat \n" \
1349 " .set mips32r2 \n" \
1350 " move $1, %0 \n" \
1351 " # mthc0 $1, %1 \n" \
c84700cc
JH
1352 _ASM_INSN_IF_MIPS(0x40c10000 | ((%1 & 0x1f) << 11)) \
1353 _ASM_INSN32_IF_MM(0x002002f4 | ((%1 & 0x1f) << 16)) \
23d06e4f
SH
1354 " .set pop \n" \
1355 : \
1356 : "r" (value), "i" (register)); \
1357} while (0)
1358
1da177e4
LT
1359#define read_c0_index() __read_32bit_c0_register($0, 0)
1360#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1361
272bace7
RB
1362#define read_c0_random() __read_32bit_c0_register($1, 0)
1363#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1364
1da177e4
LT
1365#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1366#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1367
23d06e4f
SH
1368#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1369#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1370
1da177e4
LT
1371#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1372#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1373
23d06e4f
SH
1374#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1375#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1376
1da177e4
LT
1377#define read_c0_conf() __read_32bit_c0_register($3, 0)
1378#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1379
1380#define read_c0_context() __read_ulong_c0_register($4, 0)
1381#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1382
f18bdfa1
JH
1383#define read_c0_contextconfig() __read_32bit_c0_register($4, 1)
1384#define write_c0_contextconfig(val) __write_32bit_c0_register($4, 1, val)
1385
a3692020 1386#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
70342287 1387#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
a3692020 1388
f18bdfa1
JH
1389#define read_c0_xcontextconfig() __read_ulong_c0_register($4, 3)
1390#define write_c0_xcontextconfig(val) __write_ulong_c0_register($4, 3, val)
1391
1da177e4
LT
1392#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1393#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1394
9fe2e9d6 1395#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
70342287 1396#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
9fe2e9d6 1397
1da177e4
LT
1398#define read_c0_wired() __read_32bit_c0_register($6, 0)
1399#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1400
1401#define read_c0_info() __read_32bit_c0_register($7, 0)
1402
70342287 1403#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
1da177e4
LT
1404#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1405
15c4f67a
RB
1406#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1407#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1408
e06a1548
JH
1409#define read_c0_badinstr() __read_32bit_c0_register($8, 1)
1410#define read_c0_badinstrp() __read_32bit_c0_register($8, 2)
1411
1da177e4
LT
1412#define read_c0_count() __read_32bit_c0_register($9, 0)
1413#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1414
bdf21b18
PP
1415#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1416#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1417
1418#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1419#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1420
1da177e4
LT
1421#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1422#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1423
f913e9ea
JH
1424#define read_c0_guestctl1() __read_32bit_c0_register($10, 4)
1425#define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val)
1426
1427#define read_c0_guestctl2() __read_32bit_c0_register($10, 5)
1428#define write_c0_guestctl2(val) __write_32bit_c0_register($10, 5, val)
1429
1430#define read_c0_guestctl3() __read_32bit_c0_register($10, 6)
1431#define write_c0_guestctl3(val) __write_32bit_c0_register($10, 6, val)
1432
1da177e4
LT
1433#define read_c0_compare() __read_32bit_c0_register($11, 0)
1434#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1435
f913e9ea
JH
1436#define read_c0_guestctl0ext() __read_32bit_c0_register($11, 4)
1437#define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val)
1438
bdf21b18
PP
1439#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1440#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1441
1442#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1443#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1444
1da177e4 1445#define read_c0_status() __read_32bit_c0_register($12, 0)
b633648c 1446
1da177e4
LT
1447#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1448
f913e9ea
JH
1449#define read_c0_guestctl0() __read_32bit_c0_register($12, 6)
1450#define write_c0_guestctl0(val) __write_32bit_c0_register($12, 6, val)
1451
1452#define read_c0_gtoffset() __read_32bit_c0_register($12, 7)
1453#define write_c0_gtoffset(val) __write_32bit_c0_register($12, 7, val)
1454
1da177e4
LT
1455#define read_c0_cause() __read_32bit_c0_register($13, 0)
1456#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1457
1458#define read_c0_epc() __read_ulong_c0_register($14, 0)
1459#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1460
1461#define read_c0_prid() __read_32bit_c0_register($15, 0)
1462
4dd8ee5d
PB
1463#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1464
1da177e4
LT
1465#define read_c0_config() __read_32bit_c0_register($16, 0)
1466#define read_c0_config1() __read_32bit_c0_register($16, 1)
1467#define read_c0_config2() __read_32bit_c0_register($16, 2)
1468#define read_c0_config3() __read_32bit_c0_register($16, 3)
0efe2761
RB
1469#define read_c0_config4() __read_32bit_c0_register($16, 4)
1470#define read_c0_config5() __read_32bit_c0_register($16, 5)
1471#define read_c0_config6() __read_32bit_c0_register($16, 6)
1472#define read_c0_config7() __read_32bit_c0_register($16, 7)
1da177e4
LT
1473#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1474#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1475#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1476#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
0efe2761
RB
1477#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1478#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1479#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1480#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
1da177e4 1481
b55b9e27
MC
1482#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1483#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
e19d5dba
PB
1484#define read_c0_maar() __read_ulong_c0_register($17, 1)
1485#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1486#define read_c0_maari() __read_32bit_c0_register($17, 2)
1487#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1488
1da177e4 1489/*
25985edc 1490 * The WatchLo register. There may be up to 8 of them.
1da177e4
LT
1491 */
1492#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1493#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1494#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1495#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1496#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1497#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1498#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1499#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1500#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1501#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1502#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1503#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1504#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1505#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1506#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1507#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1508
1509/*
25985edc 1510 * The WatchHi register. There may be up to 8 of them.
1da177e4
LT
1511 */
1512#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1513#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1514#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1515#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1516#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1517#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1518#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1519#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1520
1521#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1522#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1523#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1524#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1525#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1526#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1527#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1528#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1529
1530#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1531#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1532
1533#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1534#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1535
1536#define read_c0_framemask() __read_32bit_c0_register($21, 0)
70342287 1537#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1da177e4 1538
1da177e4
LT
1539#define read_c0_diag() __read_32bit_c0_register($22, 0)
1540#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1541
8d5ded16
JK
1542/* R10K CP0 Branch Diagnostic register is 64bits wide */
1543#define read_c0_r10k_diag() __read_64bit_c0_register($22, 0)
1544#define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1545
1da177e4
LT
1546#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1547#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1548
1549#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1550#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1551
1552#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1553#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1554
1555#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1556#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1557
1558#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1559#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1560
1561#define read_c0_debug() __read_32bit_c0_register($23, 0)
1562#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1563
1564#define read_c0_depc() __read_ulong_c0_register($24, 0)
1565#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1566
1567/*
1568 * MIPS32 / MIPS64 performance counters
1569 */
1570#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
70342287 1571#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1da177e4 1572#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
70342287 1573#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
4d36f59d
DD
1574#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1575#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1da177e4 1576#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
70342287 1577#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1da177e4 1578#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
70342287 1579#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
4d36f59d
DD
1580#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1581#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1da177e4 1582#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
70342287 1583#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1da177e4 1584#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
70342287 1585#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
4d36f59d
DD
1586#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1587#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1da177e4 1588#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
70342287 1589#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1da177e4 1590#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
70342287 1591#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
4d36f59d
DD
1592#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1593#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1da177e4 1594
1da177e4
LT
1595#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1596#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1597
1598#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
70342287 1599#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1da177e4
LT
1600
1601#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1602
1603#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
70342287 1604#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1da177e4
LT
1605
1606#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1607#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1608
41c594ab
RB
1609#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1610#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1611
af231172
KC
1612#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1613#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1614
1615#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1616#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1617
1da177e4
LT
1618#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1619#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1620
1621#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1622#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1623
7a0fc58c 1624/* MIPSR2 */
21a151d8 1625#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
7a0fc58c
RB
1626#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1627
1628#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1629#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1630
1631#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1632#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1633
1634#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1635#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1636
21a151d8 1637#define read_c0_ebase() __read_32bit_c0_register($15, 1)
7a0fc58c
RB
1638#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1639
37fb60f8
JH
1640#define read_c0_ebase_64() __read_64bit_c0_register($15, 1)
1641#define write_c0_ebase_64(val) __write_64bit_c0_register($15, 1, val)
1642
9b3274bd
JH
1643#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1644#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1645
4a0156fb
SH
1646/* MIPSR3 */
1647#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1648#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1649
1650#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1651#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1652
1653#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1654#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
ed918c2d 1655
87d08bc9
MC
1656/* Hardware Page Table Walker */
1657#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1658#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1659
1660#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1661#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1662
1663#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1664#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1665
1666#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1667#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1668
380cd582
HC
1669#define read_c0_pgd() __read_64bit_c0_register($9, 7)
1670#define write_c0_pgd(val) __write_64bit_c0_register($9, 7, val)
1671
1672#define read_c0_kpgd() __read_64bit_c0_register($31, 7)
1673#define write_c0_kpgd(val) __write_64bit_c0_register($31, 7, val)
1674
ed918c2d
DD
1675/* Cavium OCTEON (cnMIPS) */
1676#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1677#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1678
1679#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1680#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1681
1682#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
70342287 1683#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
ed918c2d 1684/*
70342287 1685 * The cacheerr registers are not standardized. On OCTEON, they are
ed918c2d
DD
1686 * 64 bits wide.
1687 */
1688#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1689#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1690
1691#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1692#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1693
af231172
KC
1694/* BMIPS3300 */
1695#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1696#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1697
1698#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1699#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1700
1701#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1702#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1703
020232f1 1704/* BMIPS43xx */
af231172
KC
1705#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1706#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1707
1708#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1709#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1710
1711#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1712#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1713
1714#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1715#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1716
1717#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1718#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1719
1720/* BMIPS5000 */
1721#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1722#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1723
1724#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1725#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1726
1727#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1728#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1729
1730#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1731#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1732
1733#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1734#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1735
1736#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1737#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1738
7eb91118
JH
1739/*
1740 * Macros to access the guest system control coprocessor
1741 */
1742
bad50d79
JH
1743#ifdef TOOLCHAIN_SUPPORTS_VIRT
1744
7eb91118
JH
1745#define __read_32bit_gc0_register(source, sel) \
1746({ int __res; \
1747 __asm__ __volatile__( \
1748 ".set\tpush\n\t" \
1749 ".set\tmips32r2\n\t" \
1750 ".set\tvirt\n\t" \
bad50d79 1751 "mfgc0\t%0, $%1, %2\n\t" \
7eb91118 1752 ".set\tpop" \
bad50d79
JH
1753 : "=r" (__res) \
1754 : "i" (source), "i" (sel)); \
7eb91118
JH
1755 __res; \
1756})
1757
1758#define __read_64bit_gc0_register(source, sel) \
1759({ unsigned long long __res; \
1760 __asm__ __volatile__( \
1761 ".set\tpush\n\t" \
1762 ".set\tmips64r2\n\t" \
1763 ".set\tvirt\n\t" \
bad50d79 1764 "dmfgc0\t%0, $%1, %2\n\t" \
7eb91118 1765 ".set\tpop" \
bad50d79
JH
1766 : "=r" (__res) \
1767 : "i" (source), "i" (sel)); \
7eb91118
JH
1768 __res; \
1769})
1770
1771#define __write_32bit_gc0_register(register, sel, value) \
1772do { \
1773 __asm__ __volatile__( \
1774 ".set\tpush\n\t" \
1775 ".set\tmips32r2\n\t" \
1776 ".set\tvirt\n\t" \
bad50d79 1777 "mtgc0\t%z0, $%1, %2\n\t" \
7eb91118 1778 ".set\tpop" \
bad50d79
JH
1779 : : "Jr" ((unsigned int)(value)), \
1780 "i" (register), "i" (sel)); \
7eb91118
JH
1781} while (0)
1782
1783#define __write_64bit_gc0_register(register, sel, value) \
1784do { \
1785 __asm__ __volatile__( \
1786 ".set\tpush\n\t" \
1787 ".set\tmips64r2\n\t" \
1788 ".set\tvirt\n\t" \
bad50d79
JH
1789 "dmtgc0\t%z0, $%1, %2\n\t" \
1790 ".set\tpop" \
1791 : : "Jr" (value), \
1792 "i" (register), "i" (sel)); \
1793} while (0)
1794
1795#else /* TOOLCHAIN_SUPPORTS_VIRT */
1796
1797#define __read_32bit_gc0_register(source, sel) \
1798({ int __res; \
1799 __asm__ __volatile__( \
1800 ".set\tpush\n\t" \
1801 ".set\tnoat\n\t" \
1802 "# mfgc0\t$1, $%1, %2\n\t" \
1c48a177
JH
1803 _ASM_INSN_IF_MIPS(0x40610000 | %1 << 11 | %2) \
1804 _ASM_INSN32_IF_MM(0x002004fc | %1 << 16 | %2 << 11) \
bad50d79
JH
1805 "move\t%0, $1\n\t" \
1806 ".set\tpop" \
1807 : "=r" (__res) \
1808 : "i" (source), "i" (sel)); \
1809 __res; \
1810})
1811
1812#define __read_64bit_gc0_register(source, sel) \
1813({ unsigned long long __res; \
1814 __asm__ __volatile__( \
1815 ".set\tpush\n\t" \
1816 ".set\tnoat\n\t" \
1817 "# dmfgc0\t$1, $%1, %2\n\t" \
1c48a177
JH
1818 _ASM_INSN_IF_MIPS(0x40610100 | %1 << 11 | %2) \
1819 _ASM_INSN32_IF_MM(0x582004fc | %1 << 16 | %2 << 11) \
bad50d79
JH
1820 "move\t%0, $1\n\t" \
1821 ".set\tpop" \
1822 : "=r" (__res) \
1823 : "i" (source), "i" (sel)); \
1824 __res; \
1825})
1826
1827#define __write_32bit_gc0_register(register, sel, value) \
1828do { \
1829 __asm__ __volatile__( \
1830 ".set\tpush\n\t" \
1831 ".set\tnoat\n\t" \
f03984ca 1832 "move\t$1, %z0\n\t" \
bad50d79 1833 "# mtgc0\t$1, $%1, %2\n\t" \
1c48a177
JH
1834 _ASM_INSN_IF_MIPS(0x40610200 | %1 << 11 | %2) \
1835 _ASM_INSN32_IF_MM(0x002006fc | %1 << 16 | %2 << 11) \
7eb91118 1836 ".set\tpop" \
bad50d79
JH
1837 : : "Jr" ((unsigned int)(value)), \
1838 "i" (register), "i" (sel)); \
7eb91118
JH
1839} while (0)
1840
bad50d79
JH
1841#define __write_64bit_gc0_register(register, sel, value) \
1842do { \
1843 __asm__ __volatile__( \
1844 ".set\tpush\n\t" \
1845 ".set\tnoat\n\t" \
f03984ca 1846 "move\t$1, %z0\n\t" \
bad50d79 1847 "# dmtgc0\t$1, $%1, %2\n\t" \
1c48a177
JH
1848 _ASM_INSN_IF_MIPS(0x40610300 | %1 << 11 | %2) \
1849 _ASM_INSN32_IF_MM(0x582006fc | %1 << 16 | %2 << 11) \
bad50d79
JH
1850 ".set\tpop" \
1851 : : "Jr" (value), \
1852 "i" (register), "i" (sel)); \
1853} while (0)
1854
1855#endif /* !TOOLCHAIN_SUPPORTS_VIRT */
1856
7eb91118
JH
1857#define __read_ulong_gc0_register(reg, sel) \
1858 ((sizeof(unsigned long) == 4) ? \
1859 (unsigned long) __read_32bit_gc0_register(reg, sel) : \
1860 (unsigned long) __read_64bit_gc0_register(reg, sel))
1861
1862#define __write_ulong_gc0_register(reg, sel, val) \
1863do { \
1864 if (sizeof(unsigned long) == 4) \
1865 __write_32bit_gc0_register(reg, sel, val); \
1866 else \
1867 __write_64bit_gc0_register(reg, sel, val); \
1868} while (0)
1869
bad50d79
JH
1870#define read_gc0_index() __read_32bit_gc0_register(0, 0)
1871#define write_gc0_index(val) __write_32bit_gc0_register(0, 0, val)
7eb91118 1872
bad50d79
JH
1873#define read_gc0_entrylo0() __read_ulong_gc0_register(2, 0)
1874#define write_gc0_entrylo0(val) __write_ulong_gc0_register(2, 0, val)
7eb91118 1875
bad50d79
JH
1876#define read_gc0_entrylo1() __read_ulong_gc0_register(3, 0)
1877#define write_gc0_entrylo1(val) __write_ulong_gc0_register(3, 0, val)
7eb91118 1878
bad50d79
JH
1879#define read_gc0_context() __read_ulong_gc0_register(4, 0)
1880#define write_gc0_context(val) __write_ulong_gc0_register(4, 0, val)
7eb91118 1881
bad50d79
JH
1882#define read_gc0_contextconfig() __read_32bit_gc0_register(4, 1)
1883#define write_gc0_contextconfig(val) __write_32bit_gc0_register(4, 1, val)
7eb91118 1884
bad50d79
JH
1885#define read_gc0_userlocal() __read_ulong_gc0_register(4, 2)
1886#define write_gc0_userlocal(val) __write_ulong_gc0_register(4, 2, val)
7eb91118 1887
bad50d79
JH
1888#define read_gc0_xcontextconfig() __read_ulong_gc0_register(4, 3)
1889#define write_gc0_xcontextconfig(val) __write_ulong_gc0_register(4, 3, val)
7eb91118 1890
bad50d79
JH
1891#define read_gc0_pagemask() __read_32bit_gc0_register(5, 0)
1892#define write_gc0_pagemask(val) __write_32bit_gc0_register(5, 0, val)
7eb91118 1893
bad50d79
JH
1894#define read_gc0_pagegrain() __read_32bit_gc0_register(5, 1)
1895#define write_gc0_pagegrain(val) __write_32bit_gc0_register(5, 1, val)
7eb91118 1896
bad50d79
JH
1897#define read_gc0_segctl0() __read_ulong_gc0_register(5, 2)
1898#define write_gc0_segctl0(val) __write_ulong_gc0_register(5, 2, val)
7eb91118 1899
bad50d79
JH
1900#define read_gc0_segctl1() __read_ulong_gc0_register(5, 3)
1901#define write_gc0_segctl1(val) __write_ulong_gc0_register(5, 3, val)
7eb91118 1902
bad50d79
JH
1903#define read_gc0_segctl2() __read_ulong_gc0_register(5, 4)
1904#define write_gc0_segctl2(val) __write_ulong_gc0_register(5, 4, val)
1905
1906#define read_gc0_pwbase() __read_ulong_gc0_register(5, 5)
1907#define write_gc0_pwbase(val) __write_ulong_gc0_register(5, 5, val)
1908
1909#define read_gc0_pwfield() __read_ulong_gc0_register(5, 6)
1910#define write_gc0_pwfield(val) __write_ulong_gc0_register(5, 6, val)
1911
1912#define read_gc0_pwsize() __read_ulong_gc0_register(5, 7)
1913#define write_gc0_pwsize(val) __write_ulong_gc0_register(5, 7, val)
1914
1915#define read_gc0_wired() __read_32bit_gc0_register(6, 0)
1916#define write_gc0_wired(val) __write_32bit_gc0_register(6, 0, val)
1917
1918#define read_gc0_pwctl() __read_32bit_gc0_register(6, 6)
1919#define write_gc0_pwctl(val) __write_32bit_gc0_register(6, 6, val)
1920
1921#define read_gc0_hwrena() __read_32bit_gc0_register(7, 0)
1922#define write_gc0_hwrena(val) __write_32bit_gc0_register(7, 0, val)
1923
1924#define read_gc0_badvaddr() __read_ulong_gc0_register(8, 0)
1925#define write_gc0_badvaddr(val) __write_ulong_gc0_register(8, 0, val)
1926
1927#define read_gc0_badinstr() __read_32bit_gc0_register(8, 1)
1928#define write_gc0_badinstr(val) __write_32bit_gc0_register(8, 1, val)
1929
1930#define read_gc0_badinstrp() __read_32bit_gc0_register(8, 2)
1931#define write_gc0_badinstrp(val) __write_32bit_gc0_register(8, 2, val)
1932
1933#define read_gc0_count() __read_32bit_gc0_register(9, 0)
1934
1935#define read_gc0_entryhi() __read_ulong_gc0_register(10, 0)
1936#define write_gc0_entryhi(val) __write_ulong_gc0_register(10, 0, val)
1937
1938#define read_gc0_compare() __read_32bit_gc0_register(11, 0)
1939#define write_gc0_compare(val) __write_32bit_gc0_register(11, 0, val)
1940
1941#define read_gc0_status() __read_32bit_gc0_register(12, 0)
1942#define write_gc0_status(val) __write_32bit_gc0_register(12, 0, val)
1943
1944#define read_gc0_intctl() __read_32bit_gc0_register(12, 1)
1945#define write_gc0_intctl(val) __write_32bit_gc0_register(12, 1, val)
1946
1947#define read_gc0_cause() __read_32bit_gc0_register(13, 0)
1948#define write_gc0_cause(val) __write_32bit_gc0_register(13, 0, val)
1949
1950#define read_gc0_epc() __read_ulong_gc0_register(14, 0)
1951#define write_gc0_epc(val) __write_ulong_gc0_register(14, 0, val)
1952
1953#define read_gc0_ebase() __read_32bit_gc0_register(15, 1)
1954#define write_gc0_ebase(val) __write_32bit_gc0_register(15, 1, val)
1955
1956#define read_gc0_ebase_64() __read_64bit_gc0_register(15, 1)
1957#define write_gc0_ebase_64(val) __write_64bit_gc0_register(15, 1, val)
1958
1959#define read_gc0_config() __read_32bit_gc0_register(16, 0)
1960#define read_gc0_config1() __read_32bit_gc0_register(16, 1)
1961#define read_gc0_config2() __read_32bit_gc0_register(16, 2)
1962#define read_gc0_config3() __read_32bit_gc0_register(16, 3)
1963#define read_gc0_config4() __read_32bit_gc0_register(16, 4)
1964#define read_gc0_config5() __read_32bit_gc0_register(16, 5)
1965#define read_gc0_config6() __read_32bit_gc0_register(16, 6)
1966#define read_gc0_config7() __read_32bit_gc0_register(16, 7)
1967#define write_gc0_config(val) __write_32bit_gc0_register(16, 0, val)
1968#define write_gc0_config1(val) __write_32bit_gc0_register(16, 1, val)
1969#define write_gc0_config2(val) __write_32bit_gc0_register(16, 2, val)
1970#define write_gc0_config3(val) __write_32bit_gc0_register(16, 3, val)
1971#define write_gc0_config4(val) __write_32bit_gc0_register(16, 4, val)
1972#define write_gc0_config5(val) __write_32bit_gc0_register(16, 5, val)
1973#define write_gc0_config6(val) __write_32bit_gc0_register(16, 6, val)
1974#define write_gc0_config7(val) __write_32bit_gc0_register(16, 7, val)
1975
1976#define read_gc0_watchlo0() __read_ulong_gc0_register(18, 0)
1977#define read_gc0_watchlo1() __read_ulong_gc0_register(18, 1)
1978#define read_gc0_watchlo2() __read_ulong_gc0_register(18, 2)
1979#define read_gc0_watchlo3() __read_ulong_gc0_register(18, 3)
1980#define read_gc0_watchlo4() __read_ulong_gc0_register(18, 4)
1981#define read_gc0_watchlo5() __read_ulong_gc0_register(18, 5)
1982#define read_gc0_watchlo6() __read_ulong_gc0_register(18, 6)
1983#define read_gc0_watchlo7() __read_ulong_gc0_register(18, 7)
1984#define write_gc0_watchlo0(val) __write_ulong_gc0_register(18, 0, val)
1985#define write_gc0_watchlo1(val) __write_ulong_gc0_register(18, 1, val)
1986#define write_gc0_watchlo2(val) __write_ulong_gc0_register(18, 2, val)
1987#define write_gc0_watchlo3(val) __write_ulong_gc0_register(18, 3, val)
1988#define write_gc0_watchlo4(val) __write_ulong_gc0_register(18, 4, val)
1989#define write_gc0_watchlo5(val) __write_ulong_gc0_register(18, 5, val)
1990#define write_gc0_watchlo6(val) __write_ulong_gc0_register(18, 6, val)
1991#define write_gc0_watchlo7(val) __write_ulong_gc0_register(18, 7, val)
1992
1993#define read_gc0_watchhi0() __read_32bit_gc0_register(19, 0)
1994#define read_gc0_watchhi1() __read_32bit_gc0_register(19, 1)
1995#define read_gc0_watchhi2() __read_32bit_gc0_register(19, 2)
1996#define read_gc0_watchhi3() __read_32bit_gc0_register(19, 3)
1997#define read_gc0_watchhi4() __read_32bit_gc0_register(19, 4)
1998#define read_gc0_watchhi5() __read_32bit_gc0_register(19, 5)
1999#define read_gc0_watchhi6() __read_32bit_gc0_register(19, 6)
2000#define read_gc0_watchhi7() __read_32bit_gc0_register(19, 7)
2001#define write_gc0_watchhi0(val) __write_32bit_gc0_register(19, 0, val)
2002#define write_gc0_watchhi1(val) __write_32bit_gc0_register(19, 1, val)
2003#define write_gc0_watchhi2(val) __write_32bit_gc0_register(19, 2, val)
2004#define write_gc0_watchhi3(val) __write_32bit_gc0_register(19, 3, val)
2005#define write_gc0_watchhi4(val) __write_32bit_gc0_register(19, 4, val)
2006#define write_gc0_watchhi5(val) __write_32bit_gc0_register(19, 5, val)
2007#define write_gc0_watchhi6(val) __write_32bit_gc0_register(19, 6, val)
2008#define write_gc0_watchhi7(val) __write_32bit_gc0_register(19, 7, val)
2009
2010#define read_gc0_xcontext() __read_ulong_gc0_register(20, 0)
2011#define write_gc0_xcontext(val) __write_ulong_gc0_register(20, 0, val)
2012
2013#define read_gc0_perfctrl0() __read_32bit_gc0_register(25, 0)
2014#define write_gc0_perfctrl0(val) __write_32bit_gc0_register(25, 0, val)
2015#define read_gc0_perfcntr0() __read_32bit_gc0_register(25, 1)
2016#define write_gc0_perfcntr0(val) __write_32bit_gc0_register(25, 1, val)
2017#define read_gc0_perfcntr0_64() __read_64bit_gc0_register(25, 1)
2018#define write_gc0_perfcntr0_64(val) __write_64bit_gc0_register(25, 1, val)
2019#define read_gc0_perfctrl1() __read_32bit_gc0_register(25, 2)
2020#define write_gc0_perfctrl1(val) __write_32bit_gc0_register(25, 2, val)
2021#define read_gc0_perfcntr1() __read_32bit_gc0_register(25, 3)
2022#define write_gc0_perfcntr1(val) __write_32bit_gc0_register(25, 3, val)
2023#define read_gc0_perfcntr1_64() __read_64bit_gc0_register(25, 3)
2024#define write_gc0_perfcntr1_64(val) __write_64bit_gc0_register(25, 3, val)
2025#define read_gc0_perfctrl2() __read_32bit_gc0_register(25, 4)
2026#define write_gc0_perfctrl2(val) __write_32bit_gc0_register(25, 4, val)
2027#define read_gc0_perfcntr2() __read_32bit_gc0_register(25, 5)
2028#define write_gc0_perfcntr2(val) __write_32bit_gc0_register(25, 5, val)
2029#define read_gc0_perfcntr2_64() __read_64bit_gc0_register(25, 5)
2030#define write_gc0_perfcntr2_64(val) __write_64bit_gc0_register(25, 5, val)
2031#define read_gc0_perfctrl3() __read_32bit_gc0_register(25, 6)
2032#define write_gc0_perfctrl3(val) __write_32bit_gc0_register(25, 6, val)
2033#define read_gc0_perfcntr3() __read_32bit_gc0_register(25, 7)
2034#define write_gc0_perfcntr3(val) __write_32bit_gc0_register(25, 7, val)
2035#define read_gc0_perfcntr3_64() __read_64bit_gc0_register(25, 7)
2036#define write_gc0_perfcntr3_64(val) __write_64bit_gc0_register(25, 7, val)
2037
2038#define read_gc0_errorepc() __read_ulong_gc0_register(30, 0)
2039#define write_gc0_errorepc(val) __write_ulong_gc0_register(30, 0, val)
2040
2041#define read_gc0_kscratch1() __read_ulong_gc0_register(31, 2)
2042#define read_gc0_kscratch2() __read_ulong_gc0_register(31, 3)
2043#define read_gc0_kscratch3() __read_ulong_gc0_register(31, 4)
2044#define read_gc0_kscratch4() __read_ulong_gc0_register(31, 5)
2045#define read_gc0_kscratch5() __read_ulong_gc0_register(31, 6)
2046#define read_gc0_kscratch6() __read_ulong_gc0_register(31, 7)
2047#define write_gc0_kscratch1(val) __write_ulong_gc0_register(31, 2, val)
2048#define write_gc0_kscratch2(val) __write_ulong_gc0_register(31, 3, val)
2049#define write_gc0_kscratch3(val) __write_ulong_gc0_register(31, 4, val)
2050#define write_gc0_kscratch4(val) __write_ulong_gc0_register(31, 5, val)
2051#define write_gc0_kscratch5(val) __write_ulong_gc0_register(31, 6, val)
2052#define write_gc0_kscratch6(val) __write_ulong_gc0_register(31, 7, val)
7eb91118 2053
1da177e4
LT
2054/*
2055 * Macros to access the floating point coprocessor control registers
2056 */
842dfc11 2057#define _read_32bit_cp1_register(source, gas_hardfloat) \
b9688310 2058({ \
c46a2f01 2059 unsigned int __res; \
b9688310
SH
2060 \
2061 __asm__ __volatile__( \
2062 " .set push \n" \
2063 " .set reorder \n" \
2064 " # gas fails to assemble cfc1 for some archs, \n" \
2065 " # like Octeon. \n" \
2066 " .set mips1 \n" \
842dfc11 2067 " "STR(gas_hardfloat)" \n" \
b9688310
SH
2068 " cfc1 %0,"STR(source)" \n" \
2069 " .set pop \n" \
2070 : "=r" (__res)); \
2071 __res; \
2072})
1da177e4 2073
5e32033e
JH
2074#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
2075do { \
2076 __asm__ __volatile__( \
2077 " .set push \n" \
2078 " .set reorder \n" \
2079 " "STR(gas_hardfloat)" \n" \
2080 " ctc1 %0,"STR(dest)" \n" \
2081 " .set pop \n" \
2082 : : "r" (val)); \
2083} while (0)
2084
842dfc11
ML
2085#ifdef GAS_HAS_SET_HARDFLOAT
2086#define read_32bit_cp1_register(source) \
2087 _read_32bit_cp1_register(source, .set hardfloat)
5e32033e
JH
2088#define write_32bit_cp1_register(dest, val) \
2089 _write_32bit_cp1_register(dest, val, .set hardfloat)
842dfc11
ML
2090#else
2091#define read_32bit_cp1_register(source) \
2092 _read_32bit_cp1_register(source, )
5e32033e
JH
2093#define write_32bit_cp1_register(dest, val) \
2094 _write_32bit_cp1_register(dest, val, )
842dfc11
ML
2095#endif
2096
32a7ede6 2097#ifdef HAVE_AS_DSP
e50c0a8f
RB
2098#define rddsp(mask) \
2099({ \
32a7ede6 2100 unsigned int __dspctl; \
e50c0a8f
RB
2101 \
2102 __asm__ __volatile__( \
63c2b681
FF
2103 " .set push \n" \
2104 " .set dsp \n" \
32a7ede6 2105 " rddsp %0, %x1 \n" \
63c2b681 2106 " .set pop \n" \
32a7ede6 2107 : "=r" (__dspctl) \
e50c0a8f 2108 : "i" (mask)); \
32a7ede6 2109 __dspctl; \
e50c0a8f
RB
2110})
2111
2112#define wrdsp(val, mask) \
2113do { \
e50c0a8f 2114 __asm__ __volatile__( \
63c2b681
FF
2115 " .set push \n" \
2116 " .set dsp \n" \
32a7ede6 2117 " wrdsp %0, %x1 \n" \
63c2b681 2118 " .set pop \n" \
70342287 2119 : \
e50c0a8f 2120 : "r" (val), "i" (mask)); \
e50c0a8f
RB
2121} while (0)
2122
63c2b681
FF
2123#define mflo0() \
2124({ \
2125 long mflo0; \
2126 __asm__( \
2127 " .set push \n" \
2128 " .set dsp \n" \
2129 " mflo %0, $ac0 \n" \
2130 " .set pop \n" \
2131 : "=r" (mflo0)); \
2132 mflo0; \
2133})
2134
2135#define mflo1() \
2136({ \
2137 long mflo1; \
2138 __asm__( \
2139 " .set push \n" \
2140 " .set dsp \n" \
2141 " mflo %0, $ac1 \n" \
2142 " .set pop \n" \
2143 : "=r" (mflo1)); \
2144 mflo1; \
2145})
2146
2147#define mflo2() \
2148({ \
2149 long mflo2; \
2150 __asm__( \
2151 " .set push \n" \
2152 " .set dsp \n" \
2153 " mflo %0, $ac2 \n" \
2154 " .set pop \n" \
2155 : "=r" (mflo2)); \
2156 mflo2; \
2157})
2158
2159#define mflo3() \
2160({ \
2161 long mflo3; \
2162 __asm__( \
2163 " .set push \n" \
2164 " .set dsp \n" \
2165 " mflo %0, $ac3 \n" \
2166 " .set pop \n" \
2167 : "=r" (mflo3)); \
2168 mflo3; \
2169})
2170
2171#define mfhi0() \
2172({ \
2173 long mfhi0; \
2174 __asm__( \
2175 " .set push \n" \
2176 " .set dsp \n" \
2177 " mfhi %0, $ac0 \n" \
2178 " .set pop \n" \
2179 : "=r" (mfhi0)); \
2180 mfhi0; \
2181})
2182
2183#define mfhi1() \
2184({ \
2185 long mfhi1; \
2186 __asm__( \
2187 " .set push \n" \
2188 " .set dsp \n" \
2189 " mfhi %0, $ac1 \n" \
2190 " .set pop \n" \
2191 : "=r" (mfhi1)); \
2192 mfhi1; \
2193})
2194
2195#define mfhi2() \
2196({ \
2197 long mfhi2; \
2198 __asm__( \
2199 " .set push \n" \
2200 " .set dsp \n" \
2201 " mfhi %0, $ac2 \n" \
2202 " .set pop \n" \
2203 : "=r" (mfhi2)); \
2204 mfhi2; \
2205})
2206
2207#define mfhi3() \
2208({ \
2209 long mfhi3; \
2210 __asm__( \
2211 " .set push \n" \
2212 " .set dsp \n" \
2213 " mfhi %0, $ac3 \n" \
2214 " .set pop \n" \
2215 : "=r" (mfhi3)); \
2216 mfhi3; \
2217})
2218
2219
2220#define mtlo0(x) \
2221({ \
2222 __asm__( \
2223 " .set push \n" \
2224 " .set dsp \n" \
2225 " mtlo %0, $ac0 \n" \
2226 " .set pop \n" \
2227 : \
2228 : "r" (x)); \
2229})
2230
2231#define mtlo1(x) \
2232({ \
2233 __asm__( \
2234 " .set push \n" \
2235 " .set dsp \n" \
2236 " mtlo %0, $ac1 \n" \
2237 " .set pop \n" \
2238 : \
2239 : "r" (x)); \
2240})
2241
2242#define mtlo2(x) \
2243({ \
2244 __asm__( \
2245 " .set push \n" \
2246 " .set dsp \n" \
2247 " mtlo %0, $ac2 \n" \
2248 " .set pop \n" \
2249 : \
2250 : "r" (x)); \
2251})
2252
2253#define mtlo3(x) \
2254({ \
2255 __asm__( \
2256 " .set push \n" \
2257 " .set dsp \n" \
2258 " mtlo %0, $ac3 \n" \
2259 " .set pop \n" \
2260 : \
2261 : "r" (x)); \
2262})
2263
2264#define mthi0(x) \
2265({ \
2266 __asm__( \
2267 " .set push \n" \
2268 " .set dsp \n" \
2269 " mthi %0, $ac0 \n" \
2270 " .set pop \n" \
2271 : \
2272 : "r" (x)); \
2273})
2274
2275#define mthi1(x) \
2276({ \
2277 __asm__( \
2278 " .set push \n" \
2279 " .set dsp \n" \
2280 " mthi %0, $ac1 \n" \
2281 " .set pop \n" \
2282 : \
2283 : "r" (x)); \
2284})
2285
2286#define mthi2(x) \
2287({ \
2288 __asm__( \
2289 " .set push \n" \
2290 " .set dsp \n" \
2291 " mthi %0, $ac2 \n" \
2292 " .set pop \n" \
2293 : \
2294 : "r" (x)); \
2295})
2296
2297#define mthi3(x) \
2298({ \
2299 __asm__( \
2300 " .set push \n" \
2301 " .set dsp \n" \
2302 " mthi %0, $ac3 \n" \
2303 " .set pop \n" \
2304 : \
2305 : "r" (x)); \
2306})
e50c0a8f
RB
2307
2308#else
2309
d0c1b478 2310#define rddsp(mask) \
e50c0a8f 2311({ \
d0c1b478 2312 unsigned int __res; \
e50c0a8f
RB
2313 \
2314 __asm__ __volatile__( \
e50c0a8f
RB
2315 " .set push \n" \
2316 " .set noat \n" \
d0c1b478 2317 " # rddsp $1, %x1 \n" \
5aadab0c
JH
2318 _ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16)) \
2319 _ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14)) \
d0c1b478 2320 " move %0, $1 \n" \
e50c0a8f 2321 " .set pop \n" \
d0c1b478
SH
2322 : "=r" (__res) \
2323 : "i" (mask)); \
2324 __res; \
2325})
e50c0a8f 2326
d0c1b478 2327#define wrdsp(val, mask) \
e50c0a8f
RB
2328do { \
2329 __asm__ __volatile__( \
2330 " .set push \n" \
2331 " .set noat \n" \
2332 " move $1, %0 \n" \
d0c1b478 2333 " # wrdsp $1, %x1 \n" \
5aadab0c
JH
2334 _ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11)) \
2335 _ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14)) \
e50c0a8f
RB
2336 " .set pop \n" \
2337 : \
d0c1b478 2338 : "r" (val), "i" (mask)); \
e50c0a8f
RB
2339} while (0)
2340
5aadab0c 2341#define _dsp_mfxxx(ins) \
d0c1b478
SH
2342({ \
2343 unsigned long __treg; \
2344 \
e50c0a8f
RB
2345 __asm__ __volatile__( \
2346 " .set push \n" \
2347 " .set noat \n" \
5aadab0c
JH
2348 _ASM_INSN_IF_MIPS(0x00000810 | %X1) \
2349 _ASM_INSN32_IF_MM(0x0001007c | %x1) \
d0c1b478 2350 " move %0, $1 \n" \
e50c0a8f 2351 " .set pop \n" \
d0c1b478
SH
2352 : "=r" (__treg) \
2353 : "i" (ins)); \
2354 __treg; \
2355})
e50c0a8f 2356
5aadab0c 2357#define _dsp_mtxxx(val, ins) \
e50c0a8f
RB
2358do { \
2359 __asm__ __volatile__( \
2360 " .set push \n" \
2361 " .set noat \n" \
2362 " move $1, %0 \n" \
5aadab0c
JH
2363 _ASM_INSN_IF_MIPS(0x00200011 | %X1) \
2364 _ASM_INSN32_IF_MM(0x0001207c | %x1) \
e50c0a8f
RB
2365 " .set pop \n" \
2366 : \
d0c1b478 2367 : "r" (val), "i" (ins)); \
e50c0a8f
RB
2368} while (0)
2369
5aadab0c 2370#ifdef CONFIG_CPU_MICROMIPS
d0c1b478 2371
5aadab0c
JH
2372#define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000)
2373#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000)
d0c1b478 2374
5aadab0c
JH
2375#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000))
2376#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000))
d0c1b478
SH
2377
2378#else /* !CONFIG_CPU_MICROMIPS */
e50c0a8f 2379
4cb764b4
SH
2380#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
2381#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
e50c0a8f 2382
4cb764b4
SH
2383#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
2384#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
e50c0a8f 2385
5aadab0c
JH
2386#endif /* CONFIG_CPU_MICROMIPS */
2387
4cb764b4
SH
2388#define mflo0() _dsp_mflo(0)
2389#define mflo1() _dsp_mflo(1)
2390#define mflo2() _dsp_mflo(2)
2391#define mflo3() _dsp_mflo(3)
e50c0a8f 2392
4cb764b4
SH
2393#define mfhi0() _dsp_mfhi(0)
2394#define mfhi1() _dsp_mfhi(1)
2395#define mfhi2() _dsp_mfhi(2)
2396#define mfhi3() _dsp_mfhi(3)
e50c0a8f 2397
4cb764b4
SH
2398#define mtlo0(x) _dsp_mtlo(x, 0)
2399#define mtlo1(x) _dsp_mtlo(x, 1)
2400#define mtlo2(x) _dsp_mtlo(x, 2)
2401#define mtlo3(x) _dsp_mtlo(x, 3)
e50c0a8f 2402
4cb764b4
SH
2403#define mthi0(x) _dsp_mthi(x, 0)
2404#define mthi1(x) _dsp_mthi(x, 1)
2405#define mthi2(x) _dsp_mthi(x, 2)
2406#define mthi3(x) _dsp_mthi(x, 3)
e50c0a8f
RB
2407
2408#endif
2409
1da177e4
LT
2410/*
2411 * TLB operations.
2412 *
2413 * It is responsibility of the caller to take care of any TLB hazards.
2414 */
2415static inline void tlb_probe(void)
2416{
2417 __asm__ __volatile__(
2418 ".set noreorder\n\t"
2419 "tlbp\n\t"
2420 ".set reorder");
2421}
2422
2423static inline void tlb_read(void)
2424{
9267a30d
MSJ
2425#if MIPS34K_MISSED_ITLB_WAR
2426 int res = 0;
2427
2428 __asm__ __volatile__(
2429 " .set push \n"
2430 " .set noreorder \n"
2431 " .set noat \n"
2432 " .set mips32r2 \n"
2433 " .word 0x41610001 # dvpe $1 \n"
2434 " move %0, $1 \n"
2435 " ehb \n"
2436 " .set pop \n"
2437 : "=r" (res));
2438
2439 instruction_hazard();
2440#endif
2441
1da177e4
LT
2442 __asm__ __volatile__(
2443 ".set noreorder\n\t"
2444 "tlbr\n\t"
2445 ".set reorder");
9267a30d
MSJ
2446
2447#if MIPS34K_MISSED_ITLB_WAR
2448 if ((res & _ULCAST_(1)))
2449 __asm__ __volatile__(
2450 " .set push \n"
2451 " .set noreorder \n"
2452 " .set noat \n"
2453 " .set mips32r2 \n"
2454 " .word 0x41600021 # evpe \n"
2455 " ehb \n"
2456 " .set pop \n");
2457#endif
1da177e4
LT
2458}
2459
2460static inline void tlb_write_indexed(void)
2461{
2462 __asm__ __volatile__(
2463 ".set noreorder\n\t"
2464 "tlbwi\n\t"
2465 ".set reorder");
2466}
2467
2468static inline void tlb_write_random(void)
2469{
2470 __asm__ __volatile__(
2471 ".set noreorder\n\t"
2472 "tlbwr\n\t"
2473 ".set reorder");
2474}
2475
bad50d79
JH
2476#ifdef TOOLCHAIN_SUPPORTS_VIRT
2477
1da177e4 2478/*
7eb91118
JH
2479 * Guest TLB operations.
2480 *
2481 * It is responsibility of the caller to take care of any TLB hazards.
2482 */
2483static inline void guest_tlb_probe(void)
2484{
2485 __asm__ __volatile__(
2486 ".set push\n\t"
2487 ".set noreorder\n\t"
2488 ".set virt\n\t"
2489 "tlbgp\n\t"
2490 ".set pop");
2491}
2492
2493static inline void guest_tlb_read(void)
2494{
2495 __asm__ __volatile__(
2496 ".set push\n\t"
2497 ".set noreorder\n\t"
2498 ".set virt\n\t"
2499 "tlbgr\n\t"
2500 ".set pop");
2501}
2502
2503static inline void guest_tlb_write_indexed(void)
2504{
2505 __asm__ __volatile__(
2506 ".set push\n\t"
2507 ".set noreorder\n\t"
2508 ".set virt\n\t"
2509 "tlbgwi\n\t"
2510 ".set pop");
2511}
2512
2513static inline void guest_tlb_write_random(void)
2514{
2515 __asm__ __volatile__(
2516 ".set push\n\t"
2517 ".set noreorder\n\t"
2518 ".set virt\n\t"
2519 "tlbgwr\n\t"
2520 ".set pop");
2521}
2522
2523/*
2524 * Guest TLB Invalidate Flush
1da177e4 2525 */
7eb91118
JH
2526static inline void guest_tlbinvf(void)
2527{
2528 __asm__ __volatile__(
2529 ".set push\n\t"
2530 ".set noreorder\n\t"
2531 ".set virt\n\t"
2532 "tlbginvf\n\t"
2533 ".set pop");
2534}
2535
bad50d79
JH
2536#else /* TOOLCHAIN_SUPPORTS_VIRT */
2537
2538/*
2539 * Guest TLB operations.
2540 *
2541 * It is responsibility of the caller to take care of any TLB hazards.
2542 */
2543static inline void guest_tlb_probe(void)
2544{
2545 __asm__ __volatile__(
2546 "# tlbgp\n\t"
1c48a177
JH
2547 _ASM_INSN_IF_MIPS(0x42000010)
2548 _ASM_INSN32_IF_MM(0x0000017c));
bad50d79
JH
2549}
2550
2551static inline void guest_tlb_read(void)
2552{
2553 __asm__ __volatile__(
2554 "# tlbgr\n\t"
1c48a177
JH
2555 _ASM_INSN_IF_MIPS(0x42000009)
2556 _ASM_INSN32_IF_MM(0x0000117c));
bad50d79
JH
2557}
2558
2559static inline void guest_tlb_write_indexed(void)
2560{
2561 __asm__ __volatile__(
2562 "# tlbgwi\n\t"
1c48a177
JH
2563 _ASM_INSN_IF_MIPS(0x4200000a)
2564 _ASM_INSN32_IF_MM(0x0000217c));
bad50d79
JH
2565}
2566
2567static inline void guest_tlb_write_random(void)
2568{
2569 __asm__ __volatile__(
2570 "# tlbgwr\n\t"
1c48a177
JH
2571 _ASM_INSN_IF_MIPS(0x4200000e)
2572 _ASM_INSN32_IF_MM(0x0000317c));
bad50d79
JH
2573}
2574
2575/*
2576 * Guest TLB Invalidate Flush
2577 */
2578static inline void guest_tlbinvf(void)
2579{
2580 __asm__ __volatile__(
2581 "# tlbginvf\n\t"
1c48a177
JH
2582 _ASM_INSN_IF_MIPS(0x4200000c)
2583 _ASM_INSN32_IF_MM(0x0000517c));
bad50d79
JH
2584}
2585
2586#endif /* !TOOLCHAIN_SUPPORTS_VIRT */
2587
7eb91118
JH
2588/*
2589 * Manipulate bits in a register.
2590 */
2591#define __BUILD_SET_COMMON(name) \
1da177e4 2592static inline unsigned int \
7eb91118 2593set_##name(unsigned int set) \
1da177e4 2594{ \
89e18eb3 2595 unsigned int res, new; \
1da177e4 2596 \
7eb91118 2597 res = read_##name(); \
89e18eb3 2598 new = res | set; \
7eb91118 2599 write_##name(new); \
1da177e4
LT
2600 \
2601 return res; \
2602} \
2603 \
2604static inline unsigned int \
7eb91118 2605clear_##name(unsigned int clear) \
1da177e4 2606{ \
89e18eb3 2607 unsigned int res, new; \
1da177e4 2608 \
7eb91118 2609 res = read_##name(); \
89e18eb3 2610 new = res & ~clear; \
7eb91118 2611 write_##name(new); \
1da177e4
LT
2612 \
2613 return res; \
2614} \
2615 \
2616static inline unsigned int \
7eb91118 2617change_##name(unsigned int change, unsigned int val) \
1da177e4 2618{ \
89e18eb3 2619 unsigned int res, new; \
1da177e4 2620 \
7eb91118 2621 res = read_##name(); \
89e18eb3
RB
2622 new = res & ~change; \
2623 new |= (val & change); \
7eb91118 2624 write_##name(new); \
1da177e4
LT
2625 \
2626 return res; \
2627}
2628
7eb91118
JH
2629/*
2630 * Manipulate bits in a c0 register.
2631 */
2632#define __BUILD_SET_C0(name) __BUILD_SET_COMMON(c0_##name)
2633
1da177e4
LT
2634__BUILD_SET_C0(status)
2635__BUILD_SET_C0(cause)
2636__BUILD_SET_C0(config)
7f65afb9 2637__BUILD_SET_C0(config5)
1da177e4 2638__BUILD_SET_C0(intcontrol)
7a0fc58c
RB
2639__BUILD_SET_C0(intctl)
2640__BUILD_SET_C0(srsmap)
a5770df0 2641__BUILD_SET_C0(pagegrain)
f913e9ea
JH
2642__BUILD_SET_C0(guestctl0)
2643__BUILD_SET_C0(guestctl0ext)
2644__BUILD_SET_C0(guestctl1)
2645__BUILD_SET_C0(guestctl2)
2646__BUILD_SET_C0(guestctl3)
020232f1
KC
2647__BUILD_SET_C0(brcm_config_0)
2648__BUILD_SET_C0(brcm_bus_pll)
2649__BUILD_SET_C0(brcm_reset)
2650__BUILD_SET_C0(brcm_cmt_intr)
2651__BUILD_SET_C0(brcm_cmt_ctrl)
2652__BUILD_SET_C0(brcm_config)
2653__BUILD_SET_C0(brcm_mode)
1da177e4 2654
7eb91118
JH
2655/*
2656 * Manipulate bits in a guest c0 register.
2657 */
2658#define __BUILD_SET_GC0(name) __BUILD_SET_COMMON(gc0_##name)
2659
2660__BUILD_SET_GC0(status)
2661__BUILD_SET_GC0(cause)
2662__BUILD_SET_GC0(ebase)
2663
45b585c8
DD
2664/*
2665 * Return low 10 bits of ebase.
2666 * Note that under KVM (MIPSVZ) this returns vcpu id.
2667 */
2668static inline unsigned int get_ebase_cpunum(void)
2669{
37af2f30 2670 return read_c0_ebase() & MIPS_EBASE_CPUNUM;
45b585c8
DD
2671}
2672
1da177e4
LT
2673#endif /* !__ASSEMBLY__ */
2674
2675#endif /* _ASM_MIPSREGS_H */
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