blob: def9d8d13f6ecbb1beb85b4011fdcb9ae2016912 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Ralf Baechlea3692022007-07-10 17:33:02 +010010 * Copyright (C) 2000, 07 MIPS Technologies, Inc.
Ralf Baechle41943182005-05-05 16:45:59 +000011 * Copyright (C) 2003, 2004 Maciej W. Rozycki
Linus Torvalds1da177e2005-04-16 15:20:36 -070012 */
13#ifndef _ASM_MIPSREGS_H
14#define _ASM_MIPSREGS_H
15
Linus Torvalds1da177e2005-04-16 15:20:36 -070016#include <linux/linkage.h>
Qais Yousef87c99202013-12-09 09:49:45 +000017#include <linux/types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#include <asm/hazards.h>
Marc St-Jean9267a302007-06-14 15:55:31 -060019#include <asm/war.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070020
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
Matt Redfearn5c33f8b2016-05-18 17:12:35 +010051#define CP0_SEGCTL0 $5, 2
52#define CP0_SEGCTL1 $5, 3
53#define CP0_SEGCTL2 $5, 4
Linus Torvalds1da177e2005-04-16 15:20:36 -070054#define CP0_WIRED $6
55#define CP0_INFO $7
James Hoganaff565a2016-06-15 19:29:52 +010056#define CP0_HWRENA $7
Linus Torvalds1da177e2005-04-16 15:20:36 -070057#define CP0_BADVADDR $8
Paul Burton609cf6f2015-09-22 11:12:11 -070058#define CP0_BADINSTR $8, 1
Linus Torvalds1da177e2005-04-16 15:20:36 -070059#define CP0_COUNT $9
60#define CP0_ENTRYHI $10
James Hoganf913e9e2016-05-11 15:50:28 +010061#define CP0_GUESTCTL1 $10, 4
62#define CP0_GUESTCTL2 $10, 5
63#define CP0_GUESTCTL3 $10, 6
Linus Torvalds1da177e2005-04-16 15:20:36 -070064#define CP0_COMPARE $11
James Hoganf913e9e2016-05-11 15:50:28 +010065#define CP0_GUESTCTL0EXT $11, 4
Linus Torvalds1da177e2005-04-16 15:20:36 -070066#define CP0_STATUS $12
James Hoganf913e9e2016-05-11 15:50:28 +010067#define CP0_GUESTCTL0 $12, 6
68#define CP0_GTOFFSET $12, 7
Linus Torvalds1da177e2005-04-16 15:20:36 -070069#define CP0_CAUSE $13
70#define CP0_EPC $14
71#define CP0_PRID $15
Paul Burton609cf6f2015-09-22 11:12:11 -070072#define CP0_EBASE $15, 1
73#define CP0_CMGCRBASE $15, 3
Linus Torvalds1da177e2005-04-16 15:20:36 -070074#define CP0_CONFIG $16
James Hogan195cee92015-11-10 17:06:37 +000075#define CP0_CONFIG3 $16, 3
76#define CP0_CONFIG5 $16, 5
Linus Torvalds1da177e2005-04-16 15:20:36 -070077#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
114/*
Ralf Baechle7a0fc582005-07-13 19:47:28 +0000115 * 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
124/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 * TX39 Series
126 */
127#define CP0_TX39_CACHE $7
128
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129
James Hoganbae637a2015-07-15 16:17:47 +0100130/* 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 */
Paul Burtonc6956722015-09-22 11:42:51 -0700144#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))
James Hoganbae637a2015-07-15 16:17:47 +0100147
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148/*
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
Ralf Baechlec52399b2009-04-02 14:07:10 +0200164#define PM_8K 0x00002000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165#define PM_16K 0x00006000
Ralf Baechlec52399b2009-04-02 14:07:10 +0200166#define PM_32K 0x0000e000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167#define PM_64K 0x0001e000
Ralf Baechlec52399b2009-04-02 14:07:10 +0200168#define PM_128K 0x0003e000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169#define PM_256K 0x0007e000
Ralf Baechlec52399b2009-04-02 14:07:10 +0200170#define PM_512K 0x000fe000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171#define PM_1M 0x001fe000
Ralf Baechlec52399b2009-04-02 14:07:10 +0200172#define PM_2M 0x003fe000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173#define PM_4M 0x007fe000
Ralf Baechlec52399b2009-04-02 14:07:10 +0200174#define PM_8M 0x00ffe000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175#define PM_16M 0x01ffe000
Ralf Baechlec52399b2009-04-02 14:07:10 +0200176#define PM_32M 0x03ffe000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177#define PM_64M 0x07ffe000
178#define PM_256M 0x1fffe000
Shinya Kuribayashi542c1022008-10-24 01:27:57 +0900179#define PM_1G 0x7fffe000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180
181#endif
182
183/*
184 * Default page size for a given kernel configuration
185 */
186#ifdef CONFIG_PAGE_SIZE_4KB
Ralf Baechle70342282013-01-22 12:59:30 +0100187#define PM_DEFAULT_MASK PM_4K
Ralf Baechlec52399b2009-04-02 14:07:10 +0200188#elif defined(CONFIG_PAGE_SIZE_8KB)
Ralf Baechle70342282013-01-22 12:59:30 +0100189#define PM_DEFAULT_MASK PM_8K
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190#elif defined(CONFIG_PAGE_SIZE_16KB)
Ralf Baechle70342282013-01-22 12:59:30 +0100191#define PM_DEFAULT_MASK PM_16K
Ralf Baechlec52399b2009-04-02 14:07:10 +0200192#elif defined(CONFIG_PAGE_SIZE_32KB)
Ralf Baechle70342282013-01-22 12:59:30 +0100193#define PM_DEFAULT_MASK PM_32K
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194#elif defined(CONFIG_PAGE_SIZE_64KB)
Ralf Baechle70342282013-01-22 12:59:30 +0100195#define PM_DEFAULT_MASK PM_64K
Linus Torvalds1da177e2005-04-16 15:20:36 -0700196#else
197#error Bad page size configuration!
198#endif
199
David Daneydd794392009-05-27 17:47:43 -0700200/*
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
David Daneyaa1762f2012-10-17 00:48:10 +0200213#elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
David Daneydd794392009-05-27 17:47:43 -0700214#error Bad page size configuration for hugetlbfs!
215#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700216
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
230/*
David Daney9fe2e9d2010-02-10 15:12:45 -0800231 * PageGrain bits
232 */
Ralf Baechle70342282013-01-22 12:59:30 +0100233#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)
Leonid Yegoshin6575b1d2014-07-15 14:09:57 +0100237#define PG_IEC (_ULCAST_(1) << 27)
David Daney9fe2e9d2010-02-10 15:12:45 -0800238
James Hoganbae637a2015-07-15 16:17:47 +0100239/* MIPS32/64 EntryHI bit definitions */
240#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
James Hogan9b5c3392016-05-06 14:36:19 +0100241#define MIPS_ENTRYHI_ASIDX (_ULCAST_(0x3) << 8)
242#define MIPS_ENTRYHI_ASID (_ULCAST_(0xff) << 0)
James Hoganbae637a2015-07-15 16:17:47 +0100243
David Daney9fe2e9d2010-02-10 15:12:45 -0800244/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700245 * R4x00 interrupt enable / cause bits
246 */
Ralf Baechle70342282013-01-22 12:59:30 +0100247#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)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255
256/*
257 * R4x00 interrupt cause bits
258 */
Ralf Baechle70342282013-01-22 12:59:30 +0100259#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)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700267
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
Ralf Baechle70342282013-01-22 12:59:30 +0100280#define ST0_KX 0x00000080
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281#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 */
Ralf Baechle70342282013-01-22 12:59:30 +0100294#define ST0_IEC 0x00000001
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295#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 */
Ralf Baechle70342282013-01-22 12:59:30 +0100308#define ST0_UM (_ULCAST_(1) << 4)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309#define ST0_IL (_ULCAST_(1) << 23)
310#define ST0_DL (_ULCAST_(1) << 24)
311
312/*
Thiemo Seufer3301edc2006-05-15 18:24:57 +0100313 * Enable the MIPS MDMX and DSP ASEs
Ralf Baechlee50c0a82005-05-31 11:49:19 +0000314 */
315#define ST0_MX 0x01000000
316
317/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700318 * Status register bits available in all MIPS CPUs.
319 */
320#define ST0_IM 0x0000ff00
Ralf Baechle70342282013-01-22 12:59:30 +0100321#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)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700353#define ST0_CH 0x00040000
David Daney96ffa022010-07-23 18:41:46 -0700354#define ST0_NMI 0x00080000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700355#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
367/*
David VomLehn010c1082009-12-21 17:49:22 -0800368 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
David VomLehn010c1082009-12-21 17:49:22 -0800369 */
James Hogan9323f842015-01-29 11:14:06 +0000370#define INTCTLB_IPFDC 23
371#define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
David VomLehn010c1082009-12-21 17:49:22 -0800372#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
377/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700378 * Bitfields and bit numbers in the coprocessor 0 cause register.
379 *
380 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
381 */
Maciej W. Rozycki10545332015-04-03 23:23:56 +0100382#define CAUSEB_EXCCODE 2
383#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
384#define CAUSEB_IP 8
385#define CAUSEF_IP (_ULCAST_(255) << 8)
Ralf Baechle70342282013-01-22 12:59:30 +0100386#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)
Maciej W. Rozycki10545332015-04-03 23:23:56 +0100402#define CAUSEB_FDCI 21
403#define CAUSEF_FDCI (_ULCAST_(1) << 21)
James Hogane233c732016-03-01 22:19:38 +0000404#define CAUSEB_WP 22
405#define CAUSEF_WP (_ULCAST_(1) << 22)
Maciej W. Rozycki10545332015-04-03 23:23:56 +0100406#define CAUSEB_IV 23
407#define CAUSEF_IV (_ULCAST_(1) << 23)
408#define CAUSEB_PCI 26
409#define CAUSEF_PCI (_ULCAST_(1) << 26)
James Hogan9fd4af62015-12-16 23:49:28 +0000410#define CAUSEB_DC 27
411#define CAUSEF_DC (_ULCAST_(1) << 27)
Maciej W. Rozycki10545332015-04-03 23:23:56 +0100412#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)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700418
419/*
James Hogan16d100db2015-12-16 23:49:33 +0000420 * 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 */
James Hogan16d100db2015-12-16 23:49:33 +0000436#define EXCCODE_MSAFPE 14 /* MSA floating point exception */
437#define EXCCODE_FPE 15 /* Floating point exception */
James Hogan044c9bb2015-12-16 23:49:34 +0000438#define EXCCODE_TLBRI 19 /* TLB Read-Inhibit exception */
439#define EXCCODE_TLBXI 20 /* TLB Execution-Inhibit exception */
James Hogan16d100db2015-12-16 23:49:33 +0000440#define EXCCODE_MSADIS 21 /* MSA disabled exception */
James Hogan044c9bb2015-12-16 23:49:34 +0000441#define EXCCODE_MDMX 22 /* MDMX unusable exception */
James Hogan16d100db2015-12-16 23:49:33 +0000442#define EXCCODE_WATCH 23 /* Watch address reference */
James Hogan044c9bb2015-12-16 23:49:34 +0000443#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 */
James Hogan16d100db2015-12-16 23:49:33 +0000450
451/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700452 * 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. */
Ralf Baechle70342282013-01-22 12:59:30 +0100467#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)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472#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
Ralf Baechle70342282013-01-22 12:59:30 +0100481/* Bits specific to the R4xx0. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700482#define R4K_CONF_SW (_ULCAST_(1) << 20)
483#define R4K_CONF_SS (_ULCAST_(1) << 21)
Ralf Baechlee20368d2005-06-21 13:52:33 +0000484#define R4K_CONF_SB (_ULCAST_(3) << 22)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700485
Ralf Baechle70342282013-01-22 12:59:30 +0100486/* Bits specific to the R5000. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487#define R5K_CONF_SE (_ULCAST_(1) << 12)
488#define R5K_CONF_SS (_ULCAST_(3) << 20)
489
Ralf Baechle70342282013-01-22 12:59:30 +0100490/* Bits specific to the RM7000. */
491#define RM7K_CONF_SE (_ULCAST_(1) << 3)
Maciej W. Rozyckic6ad7b72005-06-20 13:09:49 +0000492#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)
Thiemo Seuferba5187d2005-04-25 16:36:23 +0000497
Ralf Baechle70342282013-01-22 12:59:30 +0100498/* 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)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504#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
Ralf Baechle70342282013-01-22 12:59:30 +0100511/* Bits specific to the VR41xx. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700512#define VR41_CONF_CS (_ULCAST_(1) << 12)
Yoichi Yuasa2874fe52006-07-08 00:42:12 +0900513#define VR41_CONF_P4K (_ULCAST_(1) << 13)
Yoichi Yuasa4e8ab362006-07-04 22:59:41 +0900514#define VR41_CONF_BP (_ULCAST_(1) << 16)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700515#define VR41_CONF_M16 (_ULCAST_(1) << 20)
516#define VR41_CONF_AD (_ULCAST_(1) << 23)
517
Ralf Baechle70342282013-01-22 12:59:30 +0100518/* Bits specific to the R30xx. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700519#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
Ralf Baechle70342282013-01-22 12:59:30 +0100535/* Bits specific to the MIPS32/64 PRA. */
James Hogan4b34bca2016-06-15 19:29:59 +0100536#define MIPS_CONF_VI (_ULCAST_(1) << 3)
Ralf Baechle70342282013-01-22 12:59:30 +0100537#define MIPS_CONF_MT (_ULCAST_(7) << 7)
James Hogan2f6f3132015-09-17 17:49:20 +0100538#define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7)
539#define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700540#define MIPS_CONF_AR (_ULCAST_(7) << 10)
541#define MIPS_CONF_AT (_ULCAST_(3) << 13)
542#define MIPS_CONF_M (_ULCAST_(1) << 31)
543
544/*
Ralf Baechle41943182005-05-05 16:45:59 +0000545 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
546 */
Ralf Baechle70342282013-01-22 12:59:30 +0100547#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)
Paul Burton20a8d5d2014-01-15 10:31:46 +0000554#define MIPS_CONF1_DA_SHF 7
555#define MIPS_CONF1_DA_SZ 3
Ralf Baechle70342282013-01-22 12:59:30 +0100556#define MIPS_CONF1_DA (_ULCAST_(7) << 7)
Paul Burton20a8d5d2014-01-15 10:31:46 +0000557#define MIPS_CONF1_DL_SHF 10
558#define MIPS_CONF1_DL_SZ 3
Ralf Baechle41943182005-05-05 16:45:59 +0000559#define MIPS_CONF1_DL (_ULCAST_(7) << 10)
Paul Burton20a8d5d2014-01-15 10:31:46 +0000560#define MIPS_CONF1_DS_SHF 13
561#define MIPS_CONF1_DS_SZ 3
Ralf Baechle41943182005-05-05 16:45:59 +0000562#define MIPS_CONF1_DS (_ULCAST_(7) << 13)
Paul Burton20a8d5d2014-01-15 10:31:46 +0000563#define MIPS_CONF1_IA_SHF 16
564#define MIPS_CONF1_IA_SZ 3
Ralf Baechle41943182005-05-05 16:45:59 +0000565#define MIPS_CONF1_IA (_ULCAST_(7) << 16)
Paul Burton20a8d5d2014-01-15 10:31:46 +0000566#define MIPS_CONF1_IL_SHF 19
567#define MIPS_CONF1_IL_SZ 3
Ralf Baechle41943182005-05-05 16:45:59 +0000568#define MIPS_CONF1_IL (_ULCAST_(7) << 19)
Paul Burton20a8d5d2014-01-15 10:31:46 +0000569#define MIPS_CONF1_IS_SHF 22
570#define MIPS_CONF1_IS_SZ 3
Ralf Baechle41943182005-05-05 16:45:59 +0000571#define MIPS_CONF1_IS (_ULCAST_(7) << 22)
Leonid Yegoshin691038b2013-11-14 16:12:21 +0000572#define MIPS_CONF1_TLBS_SHIFT (25)
573#define MIPS_CONF1_TLBS_SIZE (6)
574#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
Ralf Baechle41943182005-05-05 16:45:59 +0000575
Ralf Baechle70342282013-01-22 12:59:30 +0100576#define MIPS_CONF2_SA (_ULCAST_(15)<< 0)
577#define MIPS_CONF2_SL (_ULCAST_(15)<< 4)
578#define MIPS_CONF2_SS (_ULCAST_(15)<< 8)
Ralf Baechle41943182005-05-05 16:45:59 +0000579#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
Ralf Baechle70342282013-01-22 12:59:30 +0100585#define MIPS_CONF3_TL (_ULCAST_(1) << 0)
586#define MIPS_CONF3_SM (_ULCAST_(1) << 1)
587#define MIPS_CONF3_MT (_ULCAST_(1) << 2)
Leonid Yegoshin691038b2013-11-14 16:12:21 +0000588#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3)
Ralf Baechle70342282013-01-22 12:59:30 +0100589#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)
Leonid Yegoshin691038b2013-11-14 16:12:21 +0000593#define MIPS_CONF3_ITL (_ULCAST_(1) << 8)
594#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9)
Ralf Baechlee50c0a82005-05-31 11:49:19 +0000595#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
Steven J. Hillee80f7c72012-08-03 10:26:04 -0500596#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11)
Steven J. Hillb2ab4f02012-09-13 16:47:58 -0500597#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
Ralf Baechlea3692022007-07-10 17:33:02 +0100598#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
Steven J. Hillf8fa4812012-12-07 03:51:35 +0000599#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
Steven J. Hillc6213c62013-06-05 21:25:17 +0000600#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16)
Leonid Yegoshin691038b2013-11-14 16:12:21 +0000601#define MIPS_CONF3_MCU (_ULCAST_(1) << 17)
602#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18)
603#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21)
David Daney1e7decd2013-02-16 23:42:43 +0100604#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
Leonid Yegoshin691038b2013-11-14 16:12:21 +0000605#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)
Ralf Baechle41943182005-05-05 16:45:59 +0000612
Leonid Yegoshin691038b2013-11-14 16:12:21 +0000613#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0)
David Daney1b362e32010-01-22 14:41:15 -0800614#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
Leonid Yegoshin691038b2013-11-14 16:12:21 +0000615#define MIPS_CONF4_FTLBSETS_SHIFT (0)
Leonid Yegoshin691038b2013-11-14 16:12:21 +0000616#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)
David Daney1b362e32010-01-22 14:41:15 -0800624#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14)
625#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
Leonid Yegoshin691038b2013-11-14 16:12:21 +0000626#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14)
627#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14)
James Hogan9e575f72016-05-11 15:50:27 +0100628#define MIPS_CONF4_KSCREXIST_SHIFT (16)
629#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT)
Leonid Yegoshin691038b2013-11-14 16:12:21 +0000630#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)
David Daney1b362e32010-01-22 14:41:15 -0800635
Ralf Baechle2f9ee822013-09-19 11:09:48 +0200636#define MIPS_CONF5_NF (_ULCAST_(1) << 0)
637#define MIPS_CONF5_UFR (_ULCAST_(1) << 2)
Paul Burtone19d5db2014-07-14 10:32:13 +0100638#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
Markos Chandras5aed9da2014-12-02 09:46:19 +0000639#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
Steven J. Hill23d06e42014-11-13 09:51:59 -0600640#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
Paul Burtonf270d882016-02-03 03:15:21 +0000641#define MIPS_CONF5_VP (_ULCAST_(1) << 7)
Paul Burton5ff04a82014-09-11 08:30:17 +0100642#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
643#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
Ralf Baechle2f9ee822013-09-19 11:09:48 +0200644#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
Steven J. Hill006a8512012-06-26 04:11:03 +0000649#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
Leonid Yegoshin75b5b5e2013-11-14 16:12:31 +0000650/* proAptiv FTLB on/off bit */
651#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
Huacai Chenb2edcfc2016-03-03 09:45:09 +0800652/* Loongson-3 FTLB on/off bit */
653#define MIPS_CONF6_FTLBDIS (_ULCAST_(1) << 22)
Markos Chandrascf0a8aa2014-11-10 12:25:34 +0000654/* FTLB probability bits */
655#define MIPS_CONF6_FTLBP_SHIFT (16)
Steven J. Hill006a8512012-06-26 04:11:03 +0000656
Ralf Baechle4b3e9752007-06-21 00:22:34 +0100657#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
658
Marc St-Jean9267a302007-06-14 15:55:31 -0600659#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
660
Markos Chandras02dc6bf2014-01-30 17:21:29 +0000661#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
662#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
Markos Chandras20a7f7e2015-07-09 10:40:53 +0100663/* FTLB probability bits for R6 */
664#define MIPS_CONF7_FTLBP_SHIFT (18)
Markos Chandras02dc6bf2014-01-30 17:21:29 +0000665
James Hogan50af5012016-03-01 22:19:39 +0000666/* WatchLo* register definitions */
667#define MIPS_WATCHLO_IRW (_ULCAST_(0x7) << 0)
668
669/* WatchHi* register definitions */
670#define MIPS_WATCHHI_M (_ULCAST_(1) << 31)
671#define MIPS_WATCHHI_G (_ULCAST_(1) << 30)
672#define MIPS_WATCHHI_WM (_ULCAST_(0x3) << 28)
673#define MIPS_WATCHHI_WM_R_RVA (_ULCAST_(0) << 28)
674#define MIPS_WATCHHI_WM_R_GPA (_ULCAST_(1) << 28)
675#define MIPS_WATCHHI_WM_G_GVA (_ULCAST_(2) << 28)
676#define MIPS_WATCHHI_EAS (_ULCAST_(0x3) << 24)
677#define MIPS_WATCHHI_ASID (_ULCAST_(0xff) << 16)
678#define MIPS_WATCHHI_MASK (_ULCAST_(0x1ff) << 3)
679#define MIPS_WATCHHI_I (_ULCAST_(1) << 2)
680#define MIPS_WATCHHI_R (_ULCAST_(1) << 1)
681#define MIPS_WATCHHI_W (_ULCAST_(1) << 0)
682#define MIPS_WATCHHI_IRW (_ULCAST_(0x7) << 0)
683
Paul Burtone19d5db2014-07-14 10:32:13 +0100684/* MAAR bit definitions */
685#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
686#define MIPS_MAAR_ADDR_SHIFT 12
687#define MIPS_MAAR_S (_ULCAST_(1) << 1)
688#define MIPS_MAAR_V (_ULCAST_(1) << 0)
689
James Hogan37af2f32016-05-11 13:50:49 +0100690/* EBase bit definitions */
691#define MIPS_EBASE_CPUNUM_SHIFT 0
692#define MIPS_EBASE_CPUNUM (_ULCAST_(0x3ff) << 0)
693#define MIPS_EBASE_WG_SHIFT 11
694#define MIPS_EBASE_WG (_ULCAST_(1) << 11)
695#define MIPS_EBASE_BASE_SHIFT 12
696#define MIPS_EBASE_BASE (~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1))
697
Paul Burton4dd8ee52014-01-15 10:31:47 +0000698/* CMGCRBase bit definitions */
699#define MIPS_CMGCRB_BASE 11
700#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
701
Ralf Baechle41943182005-05-05 16:45:59 +0000702/*
Steven J. Hill4a0156f2013-11-14 16:12:24 +0000703 * Bits in the MIPS32 Memory Segmentation registers.
704 */
705#define MIPS_SEGCFG_PA_SHIFT 9
706#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
707#define MIPS_SEGCFG_AM_SHIFT 4
708#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
709#define MIPS_SEGCFG_EU_SHIFT 3
710#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
711#define MIPS_SEGCFG_C_SHIFT 0
712#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
713
714#define MIPS_SEGCFG_UUSK _ULCAST_(7)
715#define MIPS_SEGCFG_USK _ULCAST_(5)
716#define MIPS_SEGCFG_MUSUK _ULCAST_(4)
717#define MIPS_SEGCFG_MUSK _ULCAST_(3)
718#define MIPS_SEGCFG_MSK _ULCAST_(2)
719#define MIPS_SEGCFG_MK _ULCAST_(1)
720#define MIPS_SEGCFG_UK _ULCAST_(0)
721
Markos Chandras87d08bc2014-07-14 10:14:04 +0100722#define MIPS_PWFIELD_GDI_SHIFT 24
723#define MIPS_PWFIELD_GDI_MASK 0x3f000000
724#define MIPS_PWFIELD_UDI_SHIFT 18
725#define MIPS_PWFIELD_UDI_MASK 0x00fc0000
726#define MIPS_PWFIELD_MDI_SHIFT 12
727#define MIPS_PWFIELD_MDI_MASK 0x0003f000
728#define MIPS_PWFIELD_PTI_SHIFT 6
729#define MIPS_PWFIELD_PTI_MASK 0x00000fc0
730#define MIPS_PWFIELD_PTEI_SHIFT 0
731#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
732
James Hogan6446e6c2016-05-27 22:25:22 +0100733#define MIPS_PWSIZE_PS_SHIFT 30
734#define MIPS_PWSIZE_PS_MASK 0x40000000
Markos Chandras87d08bc2014-07-14 10:14:04 +0100735#define MIPS_PWSIZE_GDW_SHIFT 24
736#define MIPS_PWSIZE_GDW_MASK 0x3f000000
737#define MIPS_PWSIZE_UDW_SHIFT 18
738#define MIPS_PWSIZE_UDW_MASK 0x00fc0000
739#define MIPS_PWSIZE_MDW_SHIFT 12
740#define MIPS_PWSIZE_MDW_MASK 0x0003f000
741#define MIPS_PWSIZE_PTW_SHIFT 6
742#define MIPS_PWSIZE_PTW_MASK 0x00000fc0
743#define MIPS_PWSIZE_PTEW_SHIFT 0
744#define MIPS_PWSIZE_PTEW_MASK 0x0000003f
745
746#define MIPS_PWCTL_PWEN_SHIFT 31
747#define MIPS_PWCTL_PWEN_MASK 0x80000000
James Hogan6446e6c2016-05-27 22:25:22 +0100748#define MIPS_PWCTL_XK_SHIFT 28
749#define MIPS_PWCTL_XK_MASK 0x10000000
750#define MIPS_PWCTL_XS_SHIFT 27
751#define MIPS_PWCTL_XS_MASK 0x08000000
752#define MIPS_PWCTL_XU_SHIFT 26
753#define MIPS_PWCTL_XU_MASK 0x04000000
Markos Chandras87d08bc2014-07-14 10:14:04 +0100754#define MIPS_PWCTL_DPH_SHIFT 7
755#define MIPS_PWCTL_DPH_MASK 0x00000080
756#define MIPS_PWCTL_HUGEPG_SHIFT 6
757#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
758#define MIPS_PWCTL_PSN_SHIFT 0
759#define MIPS_PWCTL_PSN_MASK 0x0000003f
760
James Hoganf913e9e2016-05-11 15:50:28 +0100761/* GuestCtl0 fields */
762#define MIPS_GCTL0_GM_SHIFT 31
763#define MIPS_GCTL0_GM (_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT)
764#define MIPS_GCTL0_RI_SHIFT 30
765#define MIPS_GCTL0_RI (_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT)
766#define MIPS_GCTL0_MC_SHIFT 29
767#define MIPS_GCTL0_MC (_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT)
768#define MIPS_GCTL0_CP0_SHIFT 28
769#define MIPS_GCTL0_CP0 (_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT)
770#define MIPS_GCTL0_AT_SHIFT 26
771#define MIPS_GCTL0_AT (_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT)
772#define MIPS_GCTL0_GT_SHIFT 25
773#define MIPS_GCTL0_GT (_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT)
774#define MIPS_GCTL0_CG_SHIFT 24
775#define MIPS_GCTL0_CG (_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT)
776#define MIPS_GCTL0_CF_SHIFT 23
777#define MIPS_GCTL0_CF (_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT)
778#define MIPS_GCTL0_G1_SHIFT 22
779#define MIPS_GCTL0_G1 (_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT)
780#define MIPS_GCTL0_G0E_SHIFT 19
781#define MIPS_GCTL0_G0E (_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT)
782#define MIPS_GCTL0_PT_SHIFT 18
783#define MIPS_GCTL0_PT (_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT)
784#define MIPS_GCTL0_RAD_SHIFT 9
785#define MIPS_GCTL0_RAD (_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT)
786#define MIPS_GCTL0_DRG_SHIFT 8
787#define MIPS_GCTL0_DRG (_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT)
788#define MIPS_GCTL0_G2_SHIFT 7
789#define MIPS_GCTL0_G2 (_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT)
790#define MIPS_GCTL0_GEXC_SHIFT 2
791#define MIPS_GCTL0_GEXC (_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT)
792#define MIPS_GCTL0_SFC2_SHIFT 1
793#define MIPS_GCTL0_SFC2 (_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT)
794#define MIPS_GCTL0_SFC1_SHIFT 0
795#define MIPS_GCTL0_SFC1 (_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT)
796
797/* GuestCtl0.AT Guest address translation control */
798#define MIPS_GCTL0_AT_ROOT 1 /* Guest MMU under Root control */
799#define MIPS_GCTL0_AT_GUEST 3 /* Guest MMU under Guest control */
800
801/* GuestCtl0.GExcCode Hypervisor exception cause codes */
802#define MIPS_GCTL0_GEXC_GPSI 0 /* Guest Privileged Sensitive Instruction */
803#define MIPS_GCTL0_GEXC_GSFC 1 /* Guest Software Field Change */
804#define MIPS_GCTL0_GEXC_HC 2 /* Hypercall */
805#define MIPS_GCTL0_GEXC_GRR 3 /* Guest Reserved Instruction Redirect */
806#define MIPS_GCTL0_GEXC_GVA 8 /* Guest Virtual Address available */
807#define MIPS_GCTL0_GEXC_GHFC 9 /* Guest Hardware Field Change */
808#define MIPS_GCTL0_GEXC_GPA 10 /* Guest Physical Address available */
809
810/* GuestCtl0Ext fields */
811#define MIPS_GCTL0EXT_RPW_SHIFT 8
812#define MIPS_GCTL0EXT_RPW (_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT)
813#define MIPS_GCTL0EXT_NCC_SHIFT 6
814#define MIPS_GCTL0EXT_NCC (_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT)
815#define MIPS_GCTL0EXT_CGI_SHIFT 4
816#define MIPS_GCTL0EXT_CGI (_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT)
817#define MIPS_GCTL0EXT_FCD_SHIFT 3
818#define MIPS_GCTL0EXT_FCD (_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT)
819#define MIPS_GCTL0EXT_OG_SHIFT 2
820#define MIPS_GCTL0EXT_OG (_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT)
821#define MIPS_GCTL0EXT_BG_SHIFT 1
822#define MIPS_GCTL0EXT_BG (_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT)
823#define MIPS_GCTL0EXT_MG_SHIFT 0
824#define MIPS_GCTL0EXT_MG (_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT)
825
826/* GuestCtl0Ext.RPW Root page walk configuration */
827#define MIPS_GCTL0EXT_RPW_BOTH 0 /* Root PW for GPA->RPA and RVA->RPA */
828#define MIPS_GCTL0EXT_RPW_GPA 2 /* Root PW for GPA->RPA */
829#define MIPS_GCTL0EXT_RPW_RVA 3 /* Root PW for RVA->RPA */
830
831/* GuestCtl0Ext.NCC Nested cache coherency attributes */
832#define MIPS_GCTL0EXT_NCC_IND 0 /* Guest CCA independent of Root CCA */
833#define MIPS_GCTL0EXT_NCC_MOD 1 /* Guest CCA modified by Root CCA */
834
835/* GuestCtl1 fields */
836#define MIPS_GCTL1_ID_SHIFT 0
837#define MIPS_GCTL1_ID_WIDTH 8
838#define MIPS_GCTL1_ID (_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT)
839#define MIPS_GCTL1_RID_SHIFT 16
840#define MIPS_GCTL1_RID_WIDTH 8
841#define MIPS_GCTL1_RID (_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT)
842#define MIPS_GCTL1_EID_SHIFT 24
843#define MIPS_GCTL1_EID_WIDTH 8
844#define MIPS_GCTL1_EID (_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT)
845
846/* GuestID reserved for root context */
847#define MIPS_GCTL1_ROOT_GUESTID 0
848
James Hogan9b3274b2015-02-02 11:45:08 +0000849/* CDMMBase register bit definitions */
850#define MIPS_CDMMBASE_SIZE_SHIFT 0
851#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
852#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9)
853#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10)
854#define MIPS_CDMMBASE_ADDR_SHIFT 11
855#define MIPS_CDMMBASE_ADDR_START 15
856
James Hoganaff565a2016-06-15 19:29:52 +0100857/* RDHWR register numbers */
858#define MIPS_HWR_CPUNUM 0 /* CPU number */
859#define MIPS_HWR_SYNCISTEP 1 /* SYNCI step size */
860#define MIPS_HWR_CC 2 /* Cycle counter */
861#define MIPS_HWR_CCRES 3 /* Cycle counter resolution */
862#define MIPS_HWR_ULR 29 /* UserLocal */
863#define MIPS_HWR_IMPL1 30 /* Implementation dependent */
864#define MIPS_HWR_IMPL2 31 /* Implementation dependent */
865
866/* Bits in HWREna register */
867#define MIPS_HWRENA_CPUNUM (_ULCAST_(1) << MIPS_HWR_CPUNUM)
868#define MIPS_HWRENA_SYNCISTEP (_ULCAST_(1) << MIPS_HWR_SYNCISTEP)
869#define MIPS_HWRENA_CC (_ULCAST_(1) << MIPS_HWR_CC)
870#define MIPS_HWRENA_CCRES (_ULCAST_(1) << MIPS_HWR_CCRES)
871#define MIPS_HWRENA_ULR (_ULCAST_(1) << MIPS_HWR_ULR)
872#define MIPS_HWRENA_IMPL1 (_ULCAST_(1) << MIPS_HWR_IMPL1)
873#define MIPS_HWRENA_IMPL2 (_ULCAST_(1) << MIPS_HWR_IMPL2)
874
Maciej W. Rozyckie08384c2015-04-03 23:23:50 +0100875/*
876 * Bitfields in the TX39 family CP0 Configuration Register 3
877 */
878#define TX39_CONF_ICS_SHIFT 19
879#define TX39_CONF_ICS_MASK 0x00380000
880#define TX39_CONF_ICS_1KB 0x00000000
881#define TX39_CONF_ICS_2KB 0x00080000
882#define TX39_CONF_ICS_4KB 0x00100000
883#define TX39_CONF_ICS_8KB 0x00180000
884#define TX39_CONF_ICS_16KB 0x00200000
885
886#define TX39_CONF_DCS_SHIFT 16
887#define TX39_CONF_DCS_MASK 0x00070000
888#define TX39_CONF_DCS_1KB 0x00000000
889#define TX39_CONF_DCS_2KB 0x00010000
890#define TX39_CONF_DCS_4KB 0x00020000
891#define TX39_CONF_DCS_8KB 0x00030000
892#define TX39_CONF_DCS_16KB 0x00040000
893
894#define TX39_CONF_CWFON 0x00004000
895#define TX39_CONF_WBON 0x00002000
896#define TX39_CONF_RF_SHIFT 10
897#define TX39_CONF_RF_MASK 0x00000c00
898#define TX39_CONF_DOZE 0x00000200
899#define TX39_CONF_HALT 0x00000100
900#define TX39_CONF_LOCK 0x00000080
901#define TX39_CONF_ICE 0x00000020
902#define TX39_CONF_DCE 0x00000010
903#define TX39_CONF_IRSIZE_SHIFT 2
904#define TX39_CONF_IRSIZE_MASK 0x0000000c
905#define TX39_CONF_DRSIZE_SHIFT 0
906#define TX39_CONF_DRSIZE_MASK 0x00000003
907
Joshua Kinard8d5ded12015-06-02 18:21:33 -0400908/*
909 * Interesting Bits in the R10K CP0 Branch Diagnostic Register
910 */
911/* Disable Branch Target Address Cache */
912#define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27)
913/* Enable Branch Prediction Global History */
914#define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26)
915/* Disable Branch Return Cache */
916#define R10K_DIAG_D_BRC (_ULCAST_(1) << 22)
Maciej W. Rozyckifda51902015-04-03 23:23:46 +0100917
Huacai Chen06e48142016-03-03 09:45:11 +0800918/* Flush ITLB */
919#define LOONGSON_DIAG_ITLB (_ULCAST_(1) << 2)
920/* Flush DTLB */
921#define LOONGSON_DIAG_DTLB (_ULCAST_(1) << 3)
922/* Flush VTLB */
923#define LOONGSON_DIAG_VTLB (_ULCAST_(1) << 12)
924/* Flush FTLB */
925#define LOONGSON_DIAG_FTLB (_ULCAST_(1) << 13)
926
Maciej W. Rozyckifda51902015-04-03 23:23:46 +0100927/*
928 * Coprocessor 1 (FPU) register names
929 */
Maciej W. Rozyckic491cfa2015-04-03 23:27:33 +0100930#define CP1_REVISION $0
931#define CP1_UFR $1
932#define CP1_UNFR $4
933#define CP1_FCCR $25
934#define CP1_FEXR $26
935#define CP1_FENR $28
936#define CP1_STATUS $31
Maciej W. Rozyckifda51902015-04-03 23:23:46 +0100937
938
939/*
940 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
941 */
942#define MIPS_FPIR_S (_ULCAST_(1) << 16)
943#define MIPS_FPIR_D (_ULCAST_(1) << 17)
944#define MIPS_FPIR_PS (_ULCAST_(1) << 18)
945#define MIPS_FPIR_3D (_ULCAST_(1) << 19)
946#define MIPS_FPIR_W (_ULCAST_(1) << 20)
947#define MIPS_FPIR_L (_ULCAST_(1) << 21)
948#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
Maciej W. Rozyckif1f3b7e2015-04-03 23:27:38 +0100949#define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23)
950#define MIPS_FPIR_UFRP (_ULCAST_(1) << 28)
Maciej W. Rozyckifda51902015-04-03 23:23:46 +0100951#define MIPS_FPIR_FREP (_ULCAST_(1) << 29)
952
953/*
Maciej W. Rozyckic491cfa2015-04-03 23:27:33 +0100954 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
955 */
956#define MIPS_FCCR_CONDX_S 0
957#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
958#define MIPS_FCCR_COND0_S 0
959#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S)
960#define MIPS_FCCR_COND1_S 1
961#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S)
962#define MIPS_FCCR_COND2_S 2
963#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S)
964#define MIPS_FCCR_COND3_S 3
965#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S)
966#define MIPS_FCCR_COND4_S 4
967#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S)
968#define MIPS_FCCR_COND5_S 5
969#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S)
970#define MIPS_FCCR_COND6_S 6
971#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S)
972#define MIPS_FCCR_COND7_S 7
973#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S)
974
975/*
976 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
977 */
978#define MIPS_FENR_FS_S 2
979#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S)
980
981/*
Maciej W. Rozyckifda51902015-04-03 23:23:46 +0100982 * FPU Status Register Values
983 */
Maciej W. Rozyckic491cfa2015-04-03 23:27:33 +0100984#define FPU_CSR_COND_S 23 /* $fcc0 */
985#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S)
986
987#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */
988#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S)
989
990#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */
991#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S)
992#define FPU_CSR_COND1_S 25 /* $fcc1 */
993#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S)
994#define FPU_CSR_COND2_S 26 /* $fcc2 */
995#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S)
996#define FPU_CSR_COND3_S 27 /* $fcc3 */
997#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S)
998#define FPU_CSR_COND4_S 28 /* $fcc4 */
999#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S)
1000#define FPU_CSR_COND5_S 29 /* $fcc5 */
1001#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S)
1002#define FPU_CSR_COND6_S 30 /* $fcc6 */
1003#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S)
1004#define FPU_CSR_COND7_S 31 /* $fcc7 */
1005#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S)
Maciej W. Rozyckifda51902015-04-03 23:23:46 +01001006
1007/*
Maciej W. Rozyckif1f3b7e2015-04-03 23:27:38 +01001008 * Bits 22:20 of the FPU Status Register will be read as 0,
Maciej W. Rozyckifda51902015-04-03 23:23:46 +01001009 * and should be written as zero.
1010 */
Maciej W. Rozyckif1f3b7e2015-04-03 23:27:38 +01001011#define FPU_CSR_RSVD (_ULCAST_(7) << 20)
1012
1013#define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
1014#define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
Maciej W. Rozyckifda51902015-04-03 23:23:46 +01001015
1016/*
1017 * X the exception cause indicator
1018 * E the exception enable
1019 * S the sticky/flag bit
1020*/
1021#define FPU_CSR_ALL_X 0x0003f000
1022#define FPU_CSR_UNI_X 0x00020000
1023#define FPU_CSR_INV_X 0x00010000
1024#define FPU_CSR_DIV_X 0x00008000
1025#define FPU_CSR_OVF_X 0x00004000
1026#define FPU_CSR_UDF_X 0x00002000
1027#define FPU_CSR_INE_X 0x00001000
1028
1029#define FPU_CSR_ALL_E 0x00000f80
1030#define FPU_CSR_INV_E 0x00000800
1031#define FPU_CSR_DIV_E 0x00000400
1032#define FPU_CSR_OVF_E 0x00000200
1033#define FPU_CSR_UDF_E 0x00000100
1034#define FPU_CSR_INE_E 0x00000080
1035
1036#define FPU_CSR_ALL_S 0x0000007c
1037#define FPU_CSR_INV_S 0x00000040
1038#define FPU_CSR_DIV_S 0x00000020
1039#define FPU_CSR_OVF_S 0x00000010
1040#define FPU_CSR_UDF_S 0x00000008
1041#define FPU_CSR_INE_S 0x00000004
1042
1043/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
1044#define FPU_CSR_RM 0x00000003
1045#define FPU_CSR_RN 0x0 /* nearest */
1046#define FPU_CSR_RZ 0x1 /* towards zero */
1047#define FPU_CSR_RU 0x2 /* towards +Infinity */
1048#define FPU_CSR_RD 0x3 /* towards -Infinity */
1049
1050
Linus Torvalds1da177e2005-04-16 15:20:36 -07001051#ifndef __ASSEMBLY__
1052
1053/*
Ralf Baechle377cb1b2014-04-29 01:49:24 +02001054 * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
Steven J. Hillbfd08ba2013-02-05 16:52:03 -06001055 */
Ralf Baechle377cb1b2014-04-29 01:49:24 +02001056#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
1057 defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
Steven J. Hillbfd08ba2013-02-05 16:52:03 -06001058#define get_isa16_mode(x) ((x) & 0x1)
1059#define msk_isa16_mode(x) ((x) & ~0x1)
1060#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
Ralf Baechle377cb1b2014-04-29 01:49:24 +02001061#else
1062#define get_isa16_mode(x) 0
1063#define msk_isa16_mode(x) (x)
1064#define set_isa16_mode(x) do { } while(0)
1065#endif
Steven J. Hillbfd08ba2013-02-05 16:52:03 -06001066
1067/*
1068 * microMIPS instructions can be 16-bit or 32-bit in length. This
1069 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
1070 */
1071static inline int mm_insn_16bit(u16 insn)
1072{
1073 u16 opcode = (insn >> 10) & 0x7;
1074
1075 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
1076}
1077
1078/*
James Hogan0dfa1c12016-05-20 23:28:37 +01001079 * Helper macros for generating raw instruction encodings in inline asm.
1080 */
1081#ifdef CONFIG_CPU_MICROMIPS
1082#define _ASM_INSN16_IF_MM(_enc) \
1083 ".insn\n\t" \
1084 ".hword (" #_enc ")\n\t"
1085#define _ASM_INSN32_IF_MM(_enc) \
1086 ".insn\n\t" \
1087 ".hword ((" #_enc ") >> 16)\n\t" \
1088 ".hword ((" #_enc ") & 0xffff)\n\t"
1089#else
1090#define _ASM_INSN_IF_MIPS(_enc) \
1091 ".insn\n\t" \
1092 ".word (" #_enc ")\n\t"
1093#endif
1094
1095#ifndef _ASM_INSN16_IF_MM
1096#define _ASM_INSN16_IF_MM(_enc)
1097#endif
1098#ifndef _ASM_INSN32_IF_MM
1099#define _ASM_INSN32_IF_MM(_enc)
1100#endif
1101#ifndef _ASM_INSN_IF_MIPS
1102#define _ASM_INSN_IF_MIPS(_enc)
1103#endif
1104
1105/*
Leonid Yegoshin198bb4c2013-11-14 16:12:29 +00001106 * TLB Invalidate Flush
1107 */
1108static inline void tlbinvf(void)
1109{
1110 __asm__ __volatile__(
1111 ".set push\n\t"
1112 ".set noreorder\n\t"
James Hoganc84700c2016-05-20 23:28:40 +01001113 "# tlbinvf\n\t"
1114 _ASM_INSN_IF_MIPS(0x42000004)
1115 _ASM_INSN32_IF_MM(0x0000537c)
Leonid Yegoshin198bb4c2013-11-14 16:12:29 +00001116 ".set pop");
1117}
1118
1119
1120/*
Ralf Baechle70342282013-01-22 12:59:30 +01001121 * Functions to access the R10000 performance counters. These are basically
Linus Torvalds1da177e2005-04-16 15:20:36 -07001122 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
1123 * performance counter number encoded into bits 1 ... 5 of the instruction.
1124 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
1125 * disassembler these will look like an access to sel 0 or 1.
1126 */
1127#define read_r10k_perf_cntr(counter) \
1128({ \
1129 unsigned int __res; \
1130 __asm__ __volatile__( \
1131 "mfpc\t%0, %1" \
Ralf Baechle70342282013-01-22 12:59:30 +01001132 : "=r" (__res) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001133 : "i" (counter)); \
1134 \
Ralf Baechle70342282013-01-22 12:59:30 +01001135 __res; \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001136})
1137
Ralf Baechle70342282013-01-22 12:59:30 +01001138#define write_r10k_perf_cntr(counter,val) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001139do { \
1140 __asm__ __volatile__( \
1141 "mtpc\t%0, %1" \
1142 : \
1143 : "r" (val), "i" (counter)); \
1144} while (0)
1145
1146#define read_r10k_perf_event(counter) \
1147({ \
1148 unsigned int __res; \
1149 __asm__ __volatile__( \
1150 "mfps\t%0, %1" \
Ralf Baechle70342282013-01-22 12:59:30 +01001151 : "=r" (__res) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001152 : "i" (counter)); \
1153 \
Ralf Baechle70342282013-01-22 12:59:30 +01001154 __res; \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001155})
1156
Ralf Baechle70342282013-01-22 12:59:30 +01001157#define write_r10k_perf_cntl(counter,val) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001158do { \
1159 __asm__ __volatile__( \
1160 "mtps\t%0, %1" \
1161 : \
1162 : "r" (val), "i" (counter)); \
1163} while (0)
1164
1165
1166/*
1167 * Macros to access the system control coprocessor
1168 */
1169
1170#define __read_32bit_c0_register(source, sel) \
Chris Packham82eb8f72015-07-15 10:44:30 +12001171({ unsigned int __res; \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001172 if (sel == 0) \
1173 __asm__ __volatile__( \
1174 "mfc0\t%0, " #source "\n\t" \
1175 : "=r" (__res)); \
1176 else \
1177 __asm__ __volatile__( \
1178 ".set\tmips32\n\t" \
1179 "mfc0\t%0, " #source ", " #sel "\n\t" \
1180 ".set\tmips0\n\t" \
1181 : "=r" (__res)); \
1182 __res; \
1183})
1184
1185#define __read_64bit_c0_register(source, sel) \
1186({ unsigned long long __res; \
1187 if (sizeof(unsigned long) == 4) \
1188 __res = __read_64bit_c0_split(source, sel); \
1189 else if (sel == 0) \
1190 __asm__ __volatile__( \
1191 ".set\tmips3\n\t" \
1192 "dmfc0\t%0, " #source "\n\t" \
1193 ".set\tmips0" \
1194 : "=r" (__res)); \
1195 else \
1196 __asm__ __volatile__( \
1197 ".set\tmips64\n\t" \
1198 "dmfc0\t%0, " #source ", " #sel "\n\t" \
1199 ".set\tmips0" \
1200 : "=r" (__res)); \
1201 __res; \
1202})
1203
1204#define __write_32bit_c0_register(register, sel, value) \
1205do { \
1206 if (sel == 0) \
1207 __asm__ __volatile__( \
1208 "mtc0\t%z0, " #register "\n\t" \
Ralf Baechle0952e292005-08-17 10:03:03 +00001209 : : "Jr" ((unsigned int)(value))); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001210 else \
1211 __asm__ __volatile__( \
1212 ".set\tmips32\n\t" \
1213 "mtc0\t%z0, " #register ", " #sel "\n\t" \
1214 ".set\tmips0" \
Ralf Baechle0952e292005-08-17 10:03:03 +00001215 : : "Jr" ((unsigned int)(value))); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001216} while (0)
1217
1218#define __write_64bit_c0_register(register, sel, value) \
1219do { \
1220 if (sizeof(unsigned long) == 4) \
1221 __write_64bit_c0_split(register, sel, value); \
1222 else if (sel == 0) \
1223 __asm__ __volatile__( \
1224 ".set\tmips3\n\t" \
1225 "dmtc0\t%z0, " #register "\n\t" \
1226 ".set\tmips0" \
1227 : : "Jr" (value)); \
1228 else \
1229 __asm__ __volatile__( \
1230 ".set\tmips64\n\t" \
1231 "dmtc0\t%z0, " #register ", " #sel "\n\t" \
1232 ".set\tmips0" \
1233 : : "Jr" (value)); \
1234} while (0)
1235
1236#define __read_ulong_c0_register(reg, sel) \
1237 ((sizeof(unsigned long) == 4) ? \
1238 (unsigned long) __read_32bit_c0_register(reg, sel) : \
1239 (unsigned long) __read_64bit_c0_register(reg, sel))
1240
1241#define __write_ulong_c0_register(reg, sel, val) \
1242do { \
1243 if (sizeof(unsigned long) == 4) \
1244 __write_32bit_c0_register(reg, sel, val); \
1245 else \
1246 __write_64bit_c0_register(reg, sel, val); \
1247} while (0)
1248
1249/*
1250 * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1251 */
1252#define __read_32bit_c0_ctrl_register(source) \
Chris Packham82eb8f72015-07-15 10:44:30 +12001253({ unsigned int __res; \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001254 __asm__ __volatile__( \
1255 "cfc0\t%0, " #source "\n\t" \
1256 : "=r" (__res)); \
1257 __res; \
1258})
1259
1260#define __write_32bit_c0_ctrl_register(register, value) \
1261do { \
1262 __asm__ __volatile__( \
1263 "ctc0\t%z0, " #register "\n\t" \
Ralf Baechle0952e292005-08-17 10:03:03 +00001264 : : "Jr" ((unsigned int)(value))); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001265} while (0)
1266
1267/*
1268 * These versions are only needed for systems with more than 38 bits of
1269 * physical address space running the 32-bit kernel. That's none atm :-)
1270 */
1271#define __read_64bit_c0_split(source, sel) \
1272({ \
Atsushi Nemoto87d43dd2007-07-11 23:30:40 +09001273 unsigned long long __val; \
1274 unsigned long __flags; \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001275 \
Atsushi Nemoto87d43dd2007-07-11 23:30:40 +09001276 local_irq_save(__flags); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001277 if (sel == 0) \
1278 __asm__ __volatile__( \
1279 ".set\tmips64\n\t" \
1280 "dmfc0\t%M0, " #source "\n\t" \
1281 "dsll\t%L0, %M0, 32\n\t" \
Ralf Baechle0b543522009-04-30 02:16:19 +02001282 "dsra\t%M0, %M0, 32\n\t" \
1283 "dsra\t%L0, %L0, 32\n\t" \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001284 ".set\tmips0" \
Atsushi Nemoto87d43dd2007-07-11 23:30:40 +09001285 : "=r" (__val)); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001286 else \
1287 __asm__ __volatile__( \
1288 ".set\tmips64\n\t" \
1289 "dmfc0\t%M0, " #source ", " #sel "\n\t" \
1290 "dsll\t%L0, %M0, 32\n\t" \
Ralf Baechle0b543522009-04-30 02:16:19 +02001291 "dsra\t%M0, %M0, 32\n\t" \
1292 "dsra\t%L0, %L0, 32\n\t" \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001293 ".set\tmips0" \
Atsushi Nemoto87d43dd2007-07-11 23:30:40 +09001294 : "=r" (__val)); \
1295 local_irq_restore(__flags); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001296 \
Atsushi Nemoto87d43dd2007-07-11 23:30:40 +09001297 __val; \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001298})
1299
1300#define __write_64bit_c0_split(source, sel, val) \
1301do { \
Atsushi Nemoto87d43dd2007-07-11 23:30:40 +09001302 unsigned long __flags; \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001303 \
Atsushi Nemoto87d43dd2007-07-11 23:30:40 +09001304 local_irq_save(__flags); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001305 if (sel == 0) \
1306 __asm__ __volatile__( \
1307 ".set\tmips64\n\t" \
1308 "dsll\t%L0, %L0, 32\n\t" \
1309 "dsrl\t%L0, %L0, 32\n\t" \
1310 "dsll\t%M0, %M0, 32\n\t" \
1311 "or\t%L0, %L0, %M0\n\t" \
1312 "dmtc0\t%L0, " #source "\n\t" \
1313 ".set\tmips0" \
1314 : : "r" (val)); \
1315 else \
1316 __asm__ __volatile__( \
1317 ".set\tmips64\n\t" \
1318 "dsll\t%L0, %L0, 32\n\t" \
1319 "dsrl\t%L0, %L0, 32\n\t" \
1320 "dsll\t%M0, %M0, 32\n\t" \
1321 "or\t%L0, %L0, %M0\n\t" \
1322 "dmtc0\t%L0, " #source ", " #sel "\n\t" \
1323 ".set\tmips0" \
1324 : : "r" (val)); \
Atsushi Nemoto87d43dd2007-07-11 23:30:40 +09001325 local_irq_restore(__flags); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001326} while (0)
1327
Steven J. Hill23d06e42014-11-13 09:51:59 -06001328#define __readx_32bit_c0_register(source) \
1329({ \
1330 unsigned int __res; \
1331 \
1332 __asm__ __volatile__( \
1333 " .set push \n" \
1334 " .set noat \n" \
1335 " .set mips32r2 \n" \
Steven J. Hill23d06e42014-11-13 09:51:59 -06001336 " # mfhc0 $1, %1 \n" \
James Hoganc84700c2016-05-20 23:28:40 +01001337 _ASM_INSN_IF_MIPS(0x40410000 | ((%1 & 0x1f) << 11)) \
1338 _ASM_INSN32_IF_MM(0x002000f4 | ((%1 & 0x1f) << 16)) \
Steven J. Hill23d06e42014-11-13 09:51:59 -06001339 " move %0, $1 \n" \
1340 " .set pop \n" \
1341 : "=r" (__res) \
1342 : "i" (source)); \
1343 __res; \
1344})
1345
1346#define __writex_32bit_c0_register(register, value) \
1347do { \
1348 __asm__ __volatile__( \
1349 " .set push \n" \
1350 " .set noat \n" \
1351 " .set mips32r2 \n" \
1352 " move $1, %0 \n" \
1353 " # mthc0 $1, %1 \n" \
James Hoganc84700c2016-05-20 23:28:40 +01001354 _ASM_INSN_IF_MIPS(0x40c10000 | ((%1 & 0x1f) << 11)) \
1355 _ASM_INSN32_IF_MM(0x002002f4 | ((%1 & 0x1f) << 16)) \
Steven J. Hill23d06e42014-11-13 09:51:59 -06001356 " .set pop \n" \
1357 : \
1358 : "r" (value), "i" (register)); \
1359} while (0)
1360
Linus Torvalds1da177e2005-04-16 15:20:36 -07001361#define read_c0_index() __read_32bit_c0_register($0, 0)
1362#define write_c0_index(val) __write_32bit_c0_register($0, 0, val)
1363
Ralf Baechle272bace2008-05-26 09:35:47 +01001364#define read_c0_random() __read_32bit_c0_register($1, 0)
1365#define write_c0_random(val) __write_32bit_c0_register($1, 0, val)
1366
Linus Torvalds1da177e2005-04-16 15:20:36 -07001367#define read_c0_entrylo0() __read_ulong_c0_register($2, 0)
1368#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
1369
Steven J. Hill23d06e42014-11-13 09:51:59 -06001370#define readx_c0_entrylo0() __readx_32bit_c0_register(2)
1371#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1372
Linus Torvalds1da177e2005-04-16 15:20:36 -07001373#define read_c0_entrylo1() __read_ulong_c0_register($3, 0)
1374#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
1375
Steven J. Hill23d06e42014-11-13 09:51:59 -06001376#define readx_c0_entrylo1() __readx_32bit_c0_register(3)
1377#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1378
Linus Torvalds1da177e2005-04-16 15:20:36 -07001379#define read_c0_conf() __read_32bit_c0_register($3, 0)
1380#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
1381
1382#define read_c0_context() __read_ulong_c0_register($4, 0)
1383#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
1384
James Hoganf18bdfa2016-05-11 13:50:52 +01001385#define read_c0_contextconfig() __read_32bit_c0_register($4, 1)
1386#define write_c0_contextconfig(val) __write_32bit_c0_register($4, 1, val)
1387
Ralf Baechlea3692022007-07-10 17:33:02 +01001388#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
Ralf Baechle70342282013-01-22 12:59:30 +01001389#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
Ralf Baechlea3692022007-07-10 17:33:02 +01001390
James Hoganf18bdfa2016-05-11 13:50:52 +01001391#define read_c0_xcontextconfig() __read_ulong_c0_register($4, 3)
1392#define write_c0_xcontextconfig(val) __write_ulong_c0_register($4, 3, val)
1393
Linus Torvalds1da177e2005-04-16 15:20:36 -07001394#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
1395#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
1396
David Daney9fe2e9d2010-02-10 15:12:45 -08001397#define read_c0_pagegrain() __read_32bit_c0_register($5, 1)
Ralf Baechle70342282013-01-22 12:59:30 +01001398#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
David Daney9fe2e9d2010-02-10 15:12:45 -08001399
Linus Torvalds1da177e2005-04-16 15:20:36 -07001400#define read_c0_wired() __read_32bit_c0_register($6, 0)
1401#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val)
1402
1403#define read_c0_info() __read_32bit_c0_register($7, 0)
1404
Ralf Baechle70342282013-01-22 12:59:30 +01001405#define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001406#define write_c0_cache(val) __write_32bit_c0_register($7, 0, val)
1407
Ralf Baechle15c4f672006-03-29 18:51:06 +01001408#define read_c0_badvaddr() __read_ulong_c0_register($8, 0)
1409#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val)
1410
James Hogane06a1542016-05-11 13:50:51 +01001411#define read_c0_badinstr() __read_32bit_c0_register($8, 1)
1412#define read_c0_badinstrp() __read_32bit_c0_register($8, 2)
1413
Linus Torvalds1da177e2005-04-16 15:20:36 -07001414#define read_c0_count() __read_32bit_c0_register($9, 0)
1415#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
1416
Pete Popovbdf21b12005-07-14 17:47:57 +00001417#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
1418#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
1419
1420#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
1421#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
1422
Linus Torvalds1da177e2005-04-16 15:20:36 -07001423#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
1424#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
1425
James Hoganf913e9e2016-05-11 15:50:28 +01001426#define read_c0_guestctl1() __read_32bit_c0_register($10, 4)
1427#define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val)
1428
1429#define read_c0_guestctl2() __read_32bit_c0_register($10, 5)
1430#define write_c0_guestctl2(val) __write_32bit_c0_register($10, 5, val)
1431
1432#define read_c0_guestctl3() __read_32bit_c0_register($10, 6)
1433#define write_c0_guestctl3(val) __write_32bit_c0_register($10, 6, val)
1434
Linus Torvalds1da177e2005-04-16 15:20:36 -07001435#define read_c0_compare() __read_32bit_c0_register($11, 0)
1436#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
1437
James Hoganf913e9e2016-05-11 15:50:28 +01001438#define read_c0_guestctl0ext() __read_32bit_c0_register($11, 4)
1439#define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val)
1440
Pete Popovbdf21b12005-07-14 17:47:57 +00001441#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
1442#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
1443
1444#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
1445#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
1446
Linus Torvalds1da177e2005-04-16 15:20:36 -07001447#define read_c0_status() __read_32bit_c0_register($12, 0)
Ralf Baechleb633648c52014-05-23 16:29:44 +02001448
Linus Torvalds1da177e2005-04-16 15:20:36 -07001449#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
1450
James Hoganf913e9e2016-05-11 15:50:28 +01001451#define read_c0_guestctl0() __read_32bit_c0_register($12, 6)
1452#define write_c0_guestctl0(val) __write_32bit_c0_register($12, 6, val)
1453
1454#define read_c0_gtoffset() __read_32bit_c0_register($12, 7)
1455#define write_c0_gtoffset(val) __write_32bit_c0_register($12, 7, val)
1456
Linus Torvalds1da177e2005-04-16 15:20:36 -07001457#define read_c0_cause() __read_32bit_c0_register($13, 0)
1458#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
1459
1460#define read_c0_epc() __read_ulong_c0_register($14, 0)
1461#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
1462
1463#define read_c0_prid() __read_32bit_c0_register($15, 0)
1464
Paul Burton4dd8ee52014-01-15 10:31:47 +00001465#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3)
1466
Linus Torvalds1da177e2005-04-16 15:20:36 -07001467#define read_c0_config() __read_32bit_c0_register($16, 0)
1468#define read_c0_config1() __read_32bit_c0_register($16, 1)
1469#define read_c0_config2() __read_32bit_c0_register($16, 2)
1470#define read_c0_config3() __read_32bit_c0_register($16, 3)
Ralf Baechle0efe2762005-02-06 21:24:55 +00001471#define read_c0_config4() __read_32bit_c0_register($16, 4)
1472#define read_c0_config5() __read_32bit_c0_register($16, 5)
1473#define read_c0_config6() __read_32bit_c0_register($16, 6)
1474#define read_c0_config7() __read_32bit_c0_register($16, 7)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001475#define write_c0_config(val) __write_32bit_c0_register($16, 0, val)
1476#define write_c0_config1(val) __write_32bit_c0_register($16, 1, val)
1477#define write_c0_config2(val) __write_32bit_c0_register($16, 2, val)
1478#define write_c0_config3(val) __write_32bit_c0_register($16, 3, val)
Ralf Baechle0efe2762005-02-06 21:24:55 +00001479#define write_c0_config4(val) __write_32bit_c0_register($16, 4, val)
1480#define write_c0_config5(val) __write_32bit_c0_register($16, 5, val)
1481#define write_c0_config6(val) __write_32bit_c0_register($16, 6, val)
1482#define write_c0_config7(val) __write_32bit_c0_register($16, 7, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001483
Markos Chandrasb55b9e22014-12-03 12:31:42 +00001484#define read_c0_lladdr() __read_ulong_c0_register($17, 0)
1485#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
Paul Burtone19d5db2014-07-14 10:32:13 +01001486#define read_c0_maar() __read_ulong_c0_register($17, 1)
1487#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
1488#define read_c0_maari() __read_32bit_c0_register($17, 2)
1489#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
1490
Linus Torvalds1da177e2005-04-16 15:20:36 -07001491/*
Lucas De Marchi25985ed2011-03-30 22:57:33 -03001492 * The WatchLo register. There may be up to 8 of them.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001493 */
1494#define read_c0_watchlo0() __read_ulong_c0_register($18, 0)
1495#define read_c0_watchlo1() __read_ulong_c0_register($18, 1)
1496#define read_c0_watchlo2() __read_ulong_c0_register($18, 2)
1497#define read_c0_watchlo3() __read_ulong_c0_register($18, 3)
1498#define read_c0_watchlo4() __read_ulong_c0_register($18, 4)
1499#define read_c0_watchlo5() __read_ulong_c0_register($18, 5)
1500#define read_c0_watchlo6() __read_ulong_c0_register($18, 6)
1501#define read_c0_watchlo7() __read_ulong_c0_register($18, 7)
1502#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val)
1503#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val)
1504#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val)
1505#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val)
1506#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val)
1507#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val)
1508#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val)
1509#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
1510
1511/*
Lucas De Marchi25985ed2011-03-30 22:57:33 -03001512 * The WatchHi register. There may be up to 8 of them.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001513 */
1514#define read_c0_watchhi0() __read_32bit_c0_register($19, 0)
1515#define read_c0_watchhi1() __read_32bit_c0_register($19, 1)
1516#define read_c0_watchhi2() __read_32bit_c0_register($19, 2)
1517#define read_c0_watchhi3() __read_32bit_c0_register($19, 3)
1518#define read_c0_watchhi4() __read_32bit_c0_register($19, 4)
1519#define read_c0_watchhi5() __read_32bit_c0_register($19, 5)
1520#define read_c0_watchhi6() __read_32bit_c0_register($19, 6)
1521#define read_c0_watchhi7() __read_32bit_c0_register($19, 7)
1522
1523#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val)
1524#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val)
1525#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val)
1526#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val)
1527#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val)
1528#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val)
1529#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val)
1530#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val)
1531
1532#define read_c0_xcontext() __read_ulong_c0_register($20, 0)
1533#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val)
1534
1535#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20)
1536#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1537
1538#define read_c0_framemask() __read_32bit_c0_register($21, 0)
Ralf Baechle70342282013-01-22 12:59:30 +01001539#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001540
Linus Torvalds1da177e2005-04-16 15:20:36 -07001541#define read_c0_diag() __read_32bit_c0_register($22, 0)
1542#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val)
1543
Joshua Kinard8d5ded12015-06-02 18:21:33 -04001544/* R10K CP0 Branch Diagnostic register is 64bits wide */
1545#define read_c0_r10k_diag() __read_64bit_c0_register($22, 0)
1546#define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1547
Linus Torvalds1da177e2005-04-16 15:20:36 -07001548#define read_c0_diag1() __read_32bit_c0_register($22, 1)
1549#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val)
1550
1551#define read_c0_diag2() __read_32bit_c0_register($22, 2)
1552#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val)
1553
1554#define read_c0_diag3() __read_32bit_c0_register($22, 3)
1555#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val)
1556
1557#define read_c0_diag4() __read_32bit_c0_register($22, 4)
1558#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val)
1559
1560#define read_c0_diag5() __read_32bit_c0_register($22, 5)
1561#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
1562
1563#define read_c0_debug() __read_32bit_c0_register($23, 0)
1564#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
1565
1566#define read_c0_depc() __read_ulong_c0_register($24, 0)
1567#define write_c0_depc(val) __write_ulong_c0_register($24, 0, val)
1568
1569/*
1570 * MIPS32 / MIPS64 performance counters
1571 */
1572#define read_c0_perfctrl0() __read_32bit_c0_register($25, 0)
Ralf Baechle70342282013-01-22 12:59:30 +01001573#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001574#define read_c0_perfcntr0() __read_32bit_c0_register($25, 1)
Ralf Baechle70342282013-01-22 12:59:30 +01001575#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
David Daney4d36f592011-09-24 02:29:55 +02001576#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
1577#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001578#define read_c0_perfctrl1() __read_32bit_c0_register($25, 2)
Ralf Baechle70342282013-01-22 12:59:30 +01001579#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001580#define read_c0_perfcntr1() __read_32bit_c0_register($25, 3)
Ralf Baechle70342282013-01-22 12:59:30 +01001581#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
David Daney4d36f592011-09-24 02:29:55 +02001582#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
1583#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001584#define read_c0_perfctrl2() __read_32bit_c0_register($25, 4)
Ralf Baechle70342282013-01-22 12:59:30 +01001585#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001586#define read_c0_perfcntr2() __read_32bit_c0_register($25, 5)
Ralf Baechle70342282013-01-22 12:59:30 +01001587#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
David Daney4d36f592011-09-24 02:29:55 +02001588#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
1589#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001590#define read_c0_perfctrl3() __read_32bit_c0_register($25, 6)
Ralf Baechle70342282013-01-22 12:59:30 +01001591#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001592#define read_c0_perfcntr3() __read_32bit_c0_register($25, 7)
Ralf Baechle70342282013-01-22 12:59:30 +01001593#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
David Daney4d36f592011-09-24 02:29:55 +02001594#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
1595#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001596
Linus Torvalds1da177e2005-04-16 15:20:36 -07001597#define read_c0_ecc() __read_32bit_c0_register($26, 0)
1598#define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val)
1599
1600#define read_c0_derraddr0() __read_ulong_c0_register($26, 1)
Ralf Baechle70342282013-01-22 12:59:30 +01001601#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001602
1603#define read_c0_cacheerr() __read_32bit_c0_register($27, 0)
1604
1605#define read_c0_derraddr1() __read_ulong_c0_register($27, 1)
Ralf Baechle70342282013-01-22 12:59:30 +01001606#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001607
1608#define read_c0_taglo() __read_32bit_c0_register($28, 0)
1609#define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val)
1610
Ralf Baechle41c594a2006-04-05 09:45:45 +01001611#define read_c0_dtaglo() __read_32bit_c0_register($28, 2)
1612#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val)
1613
Kevin Cernekeeaf231172010-10-16 14:22:32 -07001614#define read_c0_ddatalo() __read_32bit_c0_register($28, 3)
1615#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val)
1616
1617#define read_c0_staglo() __read_32bit_c0_register($28, 4)
1618#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val)
1619
Linus Torvalds1da177e2005-04-16 15:20:36 -07001620#define read_c0_taghi() __read_32bit_c0_register($29, 0)
1621#define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val)
1622
1623#define read_c0_errorepc() __read_ulong_c0_register($30, 0)
1624#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
1625
Ralf Baechle7a0fc582005-07-13 19:47:28 +00001626/* MIPSR2 */
Ralf Baechle21a151d2007-10-11 23:46:15 +01001627#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
Ralf Baechle7a0fc582005-07-13 19:47:28 +00001628#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
1629
1630#define read_c0_intctl() __read_32bit_c0_register($12, 1)
1631#define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val)
1632
1633#define read_c0_srsctl() __read_32bit_c0_register($12, 2)
1634#define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val)
1635
1636#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
1637#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
1638
Ralf Baechle21a151d2007-10-11 23:46:15 +01001639#define read_c0_ebase() __read_32bit_c0_register($15, 1)
Ralf Baechle7a0fc582005-07-13 19:47:28 +00001640#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
1641
James Hogan37fb60f2016-05-11 13:50:50 +01001642#define read_c0_ebase_64() __read_64bit_c0_register($15, 1)
1643#define write_c0_ebase_64(val) __write_64bit_c0_register($15, 1, val)
1644
James Hogan9b3274b2015-02-02 11:45:08 +00001645#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
1646#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
1647
Steven J. Hill4a0156f2013-11-14 16:12:24 +00001648/* MIPSR3 */
1649#define read_c0_segctl0() __read_32bit_c0_register($5, 2)
1650#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val)
1651
1652#define read_c0_segctl1() __read_32bit_c0_register($5, 3)
1653#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val)
1654
1655#define read_c0_segctl2() __read_32bit_c0_register($5, 4)
1656#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val)
David Daneyed918c22008-12-11 15:33:24 -08001657
Markos Chandras87d08bc2014-07-14 10:14:04 +01001658/* Hardware Page Table Walker */
1659#define read_c0_pwbase() __read_ulong_c0_register($5, 5)
1660#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val)
1661
1662#define read_c0_pwfield() __read_ulong_c0_register($5, 6)
1663#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val)
1664
1665#define read_c0_pwsize() __read_ulong_c0_register($5, 7)
1666#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val)
1667
1668#define read_c0_pwctl() __read_32bit_c0_register($6, 6)
1669#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val)
1670
Huacai Chen380cd582016-03-03 09:45:12 +08001671#define read_c0_pgd() __read_64bit_c0_register($9, 7)
1672#define write_c0_pgd(val) __write_64bit_c0_register($9, 7, val)
1673
1674#define read_c0_kpgd() __read_64bit_c0_register($31, 7)
1675#define write_c0_kpgd(val) __write_64bit_c0_register($31, 7, val)
1676
David Daneyed918c22008-12-11 15:33:24 -08001677/* Cavium OCTEON (cnMIPS) */
1678#define read_c0_cvmcount() __read_ulong_c0_register($9, 6)
1679#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
1680
1681#define read_c0_cvmctl() __read_64bit_c0_register($9, 7)
1682#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val)
1683
1684#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7)
Ralf Baechle70342282013-01-22 12:59:30 +01001685#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
David Daneyed918c22008-12-11 15:33:24 -08001686/*
Ralf Baechle70342282013-01-22 12:59:30 +01001687 * The cacheerr registers are not standardized. On OCTEON, they are
David Daneyed918c22008-12-11 15:33:24 -08001688 * 64 bits wide.
1689 */
1690#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0)
1691#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
1692
1693#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1)
1694#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
1695
Kevin Cernekeeaf231172010-10-16 14:22:32 -07001696/* BMIPS3300 */
1697#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0)
1698#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val)
1699
1700#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4)
1701#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val)
1702
1703#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5)
1704#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val)
1705
Kevin Cernekee020232f2011-11-16 01:25:44 +00001706/* BMIPS43xx */
Kevin Cernekeeaf231172010-10-16 14:22:32 -07001707#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1)
1708#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val)
1709
1710#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2)
1711#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val)
1712
1713#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3)
1714#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val)
1715
1716#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5)
1717#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val)
1718
1719#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6)
1720#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val)
1721
1722/* BMIPS5000 */
1723#define read_c0_brcm_config() __read_32bit_c0_register($22, 0)
1724#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val)
1725
1726#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1)
1727#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val)
1728
1729#define read_c0_brcm_action() __read_32bit_c0_register($22, 2)
1730#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val)
1731
1732#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3)
1733#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val)
1734
1735#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4)
1736#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val)
1737
1738#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7)
1739#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val)
1740
Linus Torvalds1da177e2005-04-16 15:20:36 -07001741/*
James Hogan7eb91112016-05-11 15:50:29 +01001742 * Macros to access the guest system control coprocessor
1743 */
1744
James Hoganbad50d72016-05-16 12:50:04 +01001745#ifdef TOOLCHAIN_SUPPORTS_VIRT
1746
James Hogan7eb91112016-05-11 15:50:29 +01001747#define __read_32bit_gc0_register(source, sel) \
1748({ int __res; \
1749 __asm__ __volatile__( \
1750 ".set\tpush\n\t" \
1751 ".set\tmips32r2\n\t" \
1752 ".set\tvirt\n\t" \
James Hoganbad50d72016-05-16 12:50:04 +01001753 "mfgc0\t%0, $%1, %2\n\t" \
James Hogan7eb91112016-05-11 15:50:29 +01001754 ".set\tpop" \
James Hoganbad50d72016-05-16 12:50:04 +01001755 : "=r" (__res) \
1756 : "i" (source), "i" (sel)); \
James Hogan7eb91112016-05-11 15:50:29 +01001757 __res; \
1758})
1759
1760#define __read_64bit_gc0_register(source, sel) \
1761({ unsigned long long __res; \
1762 __asm__ __volatile__( \
1763 ".set\tpush\n\t" \
1764 ".set\tmips64r2\n\t" \
1765 ".set\tvirt\n\t" \
James Hoganbad50d72016-05-16 12:50:04 +01001766 "dmfgc0\t%0, $%1, %2\n\t" \
James Hogan7eb91112016-05-11 15:50:29 +01001767 ".set\tpop" \
James Hoganbad50d72016-05-16 12:50:04 +01001768 : "=r" (__res) \
1769 : "i" (source), "i" (sel)); \
James Hogan7eb91112016-05-11 15:50:29 +01001770 __res; \
1771})
1772
1773#define __write_32bit_gc0_register(register, sel, value) \
1774do { \
1775 __asm__ __volatile__( \
1776 ".set\tpush\n\t" \
1777 ".set\tmips32r2\n\t" \
1778 ".set\tvirt\n\t" \
James Hoganbad50d72016-05-16 12:50:04 +01001779 "mtgc0\t%z0, $%1, %2\n\t" \
James Hogan7eb91112016-05-11 15:50:29 +01001780 ".set\tpop" \
James Hoganbad50d72016-05-16 12:50:04 +01001781 : : "Jr" ((unsigned int)(value)), \
1782 "i" (register), "i" (sel)); \
James Hogan7eb91112016-05-11 15:50:29 +01001783} while (0)
1784
1785#define __write_64bit_gc0_register(register, sel, value) \
1786do { \
1787 __asm__ __volatile__( \
1788 ".set\tpush\n\t" \
1789 ".set\tmips64r2\n\t" \
1790 ".set\tvirt\n\t" \
James Hoganbad50d72016-05-16 12:50:04 +01001791 "dmtgc0\t%z0, $%1, %2\n\t" \
James Hogan7eb91112016-05-11 15:50:29 +01001792 ".set\tpop" \
James Hoganbad50d72016-05-16 12:50:04 +01001793 : : "Jr" (value), \
1794 "i" (register), "i" (sel)); \
James Hogan7eb91112016-05-11 15:50:29 +01001795} while (0)
1796
James Hoganbad50d72016-05-16 12:50:04 +01001797#else /* TOOLCHAIN_SUPPORTS_VIRT */
1798
1799#define __read_32bit_gc0_register(source, sel) \
1800({ int __res; \
1801 __asm__ __volatile__( \
1802 ".set\tpush\n\t" \
1803 ".set\tnoat\n\t" \
1804 "# mfgc0\t$1, $%1, %2\n\t" \
James Hogan1c48a172016-05-20 23:28:38 +01001805 _ASM_INSN_IF_MIPS(0x40610000 | %1 << 11 | %2) \
1806 _ASM_INSN32_IF_MM(0x002004fc | %1 << 16 | %2 << 11) \
James Hoganbad50d72016-05-16 12:50:04 +01001807 "move\t%0, $1\n\t" \
1808 ".set\tpop" \
1809 : "=r" (__res) \
1810 : "i" (source), "i" (sel)); \
1811 __res; \
1812})
1813
1814#define __read_64bit_gc0_register(source, sel) \
1815({ unsigned long long __res; \
1816 __asm__ __volatile__( \
1817 ".set\tpush\n\t" \
1818 ".set\tnoat\n\t" \
1819 "# dmfgc0\t$1, $%1, %2\n\t" \
James Hogan1c48a172016-05-20 23:28:38 +01001820 _ASM_INSN_IF_MIPS(0x40610100 | %1 << 11 | %2) \
1821 _ASM_INSN32_IF_MM(0x582004fc | %1 << 16 | %2 << 11) \
James Hoganbad50d72016-05-16 12:50:04 +01001822 "move\t%0, $1\n\t" \
1823 ".set\tpop" \
1824 : "=r" (__res) \
1825 : "i" (source), "i" (sel)); \
1826 __res; \
1827})
1828
1829#define __write_32bit_gc0_register(register, sel, value) \
1830do { \
1831 __asm__ __volatile__( \
1832 ".set\tpush\n\t" \
1833 ".set\tnoat\n\t" \
James Hoganf03984c2016-05-18 17:04:38 +01001834 "move\t$1, %z0\n\t" \
James Hoganbad50d72016-05-16 12:50:04 +01001835 "# mtgc0\t$1, $%1, %2\n\t" \
James Hogan1c48a172016-05-20 23:28:38 +01001836 _ASM_INSN_IF_MIPS(0x40610200 | %1 << 11 | %2) \
1837 _ASM_INSN32_IF_MM(0x002006fc | %1 << 16 | %2 << 11) \
James Hoganbad50d72016-05-16 12:50:04 +01001838 ".set\tpop" \
1839 : : "Jr" ((unsigned int)(value)), \
1840 "i" (register), "i" (sel)); \
1841} while (0)
1842
1843#define __write_64bit_gc0_register(register, sel, value) \
1844do { \
1845 __asm__ __volatile__( \
1846 ".set\tpush\n\t" \
1847 ".set\tnoat\n\t" \
James Hoganf03984c2016-05-18 17:04:38 +01001848 "move\t$1, %z0\n\t" \
James Hoganbad50d72016-05-16 12:50:04 +01001849 "# dmtgc0\t$1, $%1, %2\n\t" \
James Hogan1c48a172016-05-20 23:28:38 +01001850 _ASM_INSN_IF_MIPS(0x40610300 | %1 << 11 | %2) \
1851 _ASM_INSN32_IF_MM(0x582006fc | %1 << 16 | %2 << 11) \
James Hoganbad50d72016-05-16 12:50:04 +01001852 ".set\tpop" \
1853 : : "Jr" (value), \
1854 "i" (register), "i" (sel)); \
1855} while (0)
1856
1857#endif /* !TOOLCHAIN_SUPPORTS_VIRT */
1858
James Hogan7eb91112016-05-11 15:50:29 +01001859#define __read_ulong_gc0_register(reg, sel) \
1860 ((sizeof(unsigned long) == 4) ? \
1861 (unsigned long) __read_32bit_gc0_register(reg, sel) : \
1862 (unsigned long) __read_64bit_gc0_register(reg, sel))
1863
1864#define __write_ulong_gc0_register(reg, sel, val) \
1865do { \
1866 if (sizeof(unsigned long) == 4) \
1867 __write_32bit_gc0_register(reg, sel, val); \
1868 else \
1869 __write_64bit_gc0_register(reg, sel, val); \
1870} while (0)
1871
James Hoganbad50d72016-05-16 12:50:04 +01001872#define read_gc0_index() __read_32bit_gc0_register(0, 0)
1873#define write_gc0_index(val) __write_32bit_gc0_register(0, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001874
James Hoganbad50d72016-05-16 12:50:04 +01001875#define read_gc0_entrylo0() __read_ulong_gc0_register(2, 0)
1876#define write_gc0_entrylo0(val) __write_ulong_gc0_register(2, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001877
James Hoganbad50d72016-05-16 12:50:04 +01001878#define read_gc0_entrylo1() __read_ulong_gc0_register(3, 0)
1879#define write_gc0_entrylo1(val) __write_ulong_gc0_register(3, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001880
James Hoganbad50d72016-05-16 12:50:04 +01001881#define read_gc0_context() __read_ulong_gc0_register(4, 0)
1882#define write_gc0_context(val) __write_ulong_gc0_register(4, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001883
James Hoganbad50d72016-05-16 12:50:04 +01001884#define read_gc0_contextconfig() __read_32bit_gc0_register(4, 1)
1885#define write_gc0_contextconfig(val) __write_32bit_gc0_register(4, 1, val)
James Hogan7eb91112016-05-11 15:50:29 +01001886
James Hoganbad50d72016-05-16 12:50:04 +01001887#define read_gc0_userlocal() __read_ulong_gc0_register(4, 2)
1888#define write_gc0_userlocal(val) __write_ulong_gc0_register(4, 2, val)
James Hogan7eb91112016-05-11 15:50:29 +01001889
James Hoganbad50d72016-05-16 12:50:04 +01001890#define read_gc0_xcontextconfig() __read_ulong_gc0_register(4, 3)
1891#define write_gc0_xcontextconfig(val) __write_ulong_gc0_register(4, 3, val)
James Hogan7eb91112016-05-11 15:50:29 +01001892
James Hoganbad50d72016-05-16 12:50:04 +01001893#define read_gc0_pagemask() __read_32bit_gc0_register(5, 0)
1894#define write_gc0_pagemask(val) __write_32bit_gc0_register(5, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001895
James Hoganbad50d72016-05-16 12:50:04 +01001896#define read_gc0_pagegrain() __read_32bit_gc0_register(5, 1)
1897#define write_gc0_pagegrain(val) __write_32bit_gc0_register(5, 1, val)
James Hogan7eb91112016-05-11 15:50:29 +01001898
James Hoganbad50d72016-05-16 12:50:04 +01001899#define read_gc0_segctl0() __read_ulong_gc0_register(5, 2)
1900#define write_gc0_segctl0(val) __write_ulong_gc0_register(5, 2, val)
James Hogan7eb91112016-05-11 15:50:29 +01001901
James Hoganbad50d72016-05-16 12:50:04 +01001902#define read_gc0_segctl1() __read_ulong_gc0_register(5, 3)
1903#define write_gc0_segctl1(val) __write_ulong_gc0_register(5, 3, val)
James Hogan7eb91112016-05-11 15:50:29 +01001904
James Hoganbad50d72016-05-16 12:50:04 +01001905#define read_gc0_segctl2() __read_ulong_gc0_register(5, 4)
1906#define write_gc0_segctl2(val) __write_ulong_gc0_register(5, 4, val)
James Hogan7eb91112016-05-11 15:50:29 +01001907
James Hoganbad50d72016-05-16 12:50:04 +01001908#define read_gc0_pwbase() __read_ulong_gc0_register(5, 5)
1909#define write_gc0_pwbase(val) __write_ulong_gc0_register(5, 5, val)
James Hogan7eb91112016-05-11 15:50:29 +01001910
James Hoganbad50d72016-05-16 12:50:04 +01001911#define read_gc0_pwfield() __read_ulong_gc0_register(5, 6)
1912#define write_gc0_pwfield(val) __write_ulong_gc0_register(5, 6, val)
James Hogan7eb91112016-05-11 15:50:29 +01001913
James Hoganbad50d72016-05-16 12:50:04 +01001914#define read_gc0_pwsize() __read_ulong_gc0_register(5, 7)
1915#define write_gc0_pwsize(val) __write_ulong_gc0_register(5, 7, val)
James Hogan7eb91112016-05-11 15:50:29 +01001916
James Hoganbad50d72016-05-16 12:50:04 +01001917#define read_gc0_wired() __read_32bit_gc0_register(6, 0)
1918#define write_gc0_wired(val) __write_32bit_gc0_register(6, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001919
James Hoganbad50d72016-05-16 12:50:04 +01001920#define read_gc0_pwctl() __read_32bit_gc0_register(6, 6)
1921#define write_gc0_pwctl(val) __write_32bit_gc0_register(6, 6, val)
James Hogan7eb91112016-05-11 15:50:29 +01001922
James Hoganbad50d72016-05-16 12:50:04 +01001923#define read_gc0_hwrena() __read_32bit_gc0_register(7, 0)
1924#define write_gc0_hwrena(val) __write_32bit_gc0_register(7, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001925
James Hoganbad50d72016-05-16 12:50:04 +01001926#define read_gc0_badvaddr() __read_ulong_gc0_register(8, 0)
1927#define write_gc0_badvaddr(val) __write_ulong_gc0_register(8, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001928
James Hoganbad50d72016-05-16 12:50:04 +01001929#define read_gc0_badinstr() __read_32bit_gc0_register(8, 1)
1930#define write_gc0_badinstr(val) __write_32bit_gc0_register(8, 1, val)
James Hogan7eb91112016-05-11 15:50:29 +01001931
James Hoganbad50d72016-05-16 12:50:04 +01001932#define read_gc0_badinstrp() __read_32bit_gc0_register(8, 2)
1933#define write_gc0_badinstrp(val) __write_32bit_gc0_register(8, 2, val)
James Hogan7eb91112016-05-11 15:50:29 +01001934
James Hoganbad50d72016-05-16 12:50:04 +01001935#define read_gc0_count() __read_32bit_gc0_register(9, 0)
James Hogan7eb91112016-05-11 15:50:29 +01001936
James Hoganbad50d72016-05-16 12:50:04 +01001937#define read_gc0_entryhi() __read_ulong_gc0_register(10, 0)
1938#define write_gc0_entryhi(val) __write_ulong_gc0_register(10, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001939
James Hoganbad50d72016-05-16 12:50:04 +01001940#define read_gc0_compare() __read_32bit_gc0_register(11, 0)
1941#define write_gc0_compare(val) __write_32bit_gc0_register(11, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001942
James Hoganbad50d72016-05-16 12:50:04 +01001943#define read_gc0_status() __read_32bit_gc0_register(12, 0)
1944#define write_gc0_status(val) __write_32bit_gc0_register(12, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001945
James Hoganbad50d72016-05-16 12:50:04 +01001946#define read_gc0_intctl() __read_32bit_gc0_register(12, 1)
1947#define write_gc0_intctl(val) __write_32bit_gc0_register(12, 1, val)
James Hogan7eb91112016-05-11 15:50:29 +01001948
James Hoganbad50d72016-05-16 12:50:04 +01001949#define read_gc0_cause() __read_32bit_gc0_register(13, 0)
1950#define write_gc0_cause(val) __write_32bit_gc0_register(13, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001951
James Hoganbad50d72016-05-16 12:50:04 +01001952#define read_gc0_epc() __read_ulong_gc0_register(14, 0)
1953#define write_gc0_epc(val) __write_ulong_gc0_register(14, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01001954
James Hoganbad50d72016-05-16 12:50:04 +01001955#define read_gc0_ebase() __read_32bit_gc0_register(15, 1)
1956#define write_gc0_ebase(val) __write_32bit_gc0_register(15, 1, val)
James Hogan7eb91112016-05-11 15:50:29 +01001957
James Hoganbad50d72016-05-16 12:50:04 +01001958#define read_gc0_ebase_64() __read_64bit_gc0_register(15, 1)
1959#define write_gc0_ebase_64(val) __write_64bit_gc0_register(15, 1, val)
James Hogan7eb91112016-05-11 15:50:29 +01001960
James Hoganbad50d72016-05-16 12:50:04 +01001961#define read_gc0_config() __read_32bit_gc0_register(16, 0)
1962#define read_gc0_config1() __read_32bit_gc0_register(16, 1)
1963#define read_gc0_config2() __read_32bit_gc0_register(16, 2)
1964#define read_gc0_config3() __read_32bit_gc0_register(16, 3)
1965#define read_gc0_config4() __read_32bit_gc0_register(16, 4)
1966#define read_gc0_config5() __read_32bit_gc0_register(16, 5)
1967#define read_gc0_config6() __read_32bit_gc0_register(16, 6)
1968#define read_gc0_config7() __read_32bit_gc0_register(16, 7)
1969#define write_gc0_config(val) __write_32bit_gc0_register(16, 0, val)
1970#define write_gc0_config1(val) __write_32bit_gc0_register(16, 1, val)
1971#define write_gc0_config2(val) __write_32bit_gc0_register(16, 2, val)
1972#define write_gc0_config3(val) __write_32bit_gc0_register(16, 3, val)
1973#define write_gc0_config4(val) __write_32bit_gc0_register(16, 4, val)
1974#define write_gc0_config5(val) __write_32bit_gc0_register(16, 5, val)
1975#define write_gc0_config6(val) __write_32bit_gc0_register(16, 6, val)
1976#define write_gc0_config7(val) __write_32bit_gc0_register(16, 7, val)
James Hogan7eb91112016-05-11 15:50:29 +01001977
James Hoganbad50d72016-05-16 12:50:04 +01001978#define read_gc0_watchlo0() __read_ulong_gc0_register(18, 0)
1979#define read_gc0_watchlo1() __read_ulong_gc0_register(18, 1)
1980#define read_gc0_watchlo2() __read_ulong_gc0_register(18, 2)
1981#define read_gc0_watchlo3() __read_ulong_gc0_register(18, 3)
1982#define read_gc0_watchlo4() __read_ulong_gc0_register(18, 4)
1983#define read_gc0_watchlo5() __read_ulong_gc0_register(18, 5)
1984#define read_gc0_watchlo6() __read_ulong_gc0_register(18, 6)
1985#define read_gc0_watchlo7() __read_ulong_gc0_register(18, 7)
1986#define write_gc0_watchlo0(val) __write_ulong_gc0_register(18, 0, val)
1987#define write_gc0_watchlo1(val) __write_ulong_gc0_register(18, 1, val)
1988#define write_gc0_watchlo2(val) __write_ulong_gc0_register(18, 2, val)
1989#define write_gc0_watchlo3(val) __write_ulong_gc0_register(18, 3, val)
1990#define write_gc0_watchlo4(val) __write_ulong_gc0_register(18, 4, val)
1991#define write_gc0_watchlo5(val) __write_ulong_gc0_register(18, 5, val)
1992#define write_gc0_watchlo6(val) __write_ulong_gc0_register(18, 6, val)
1993#define write_gc0_watchlo7(val) __write_ulong_gc0_register(18, 7, val)
James Hogan7eb91112016-05-11 15:50:29 +01001994
James Hoganbad50d72016-05-16 12:50:04 +01001995#define read_gc0_watchhi0() __read_32bit_gc0_register(19, 0)
1996#define read_gc0_watchhi1() __read_32bit_gc0_register(19, 1)
1997#define read_gc0_watchhi2() __read_32bit_gc0_register(19, 2)
1998#define read_gc0_watchhi3() __read_32bit_gc0_register(19, 3)
1999#define read_gc0_watchhi4() __read_32bit_gc0_register(19, 4)
2000#define read_gc0_watchhi5() __read_32bit_gc0_register(19, 5)
2001#define read_gc0_watchhi6() __read_32bit_gc0_register(19, 6)
2002#define read_gc0_watchhi7() __read_32bit_gc0_register(19, 7)
2003#define write_gc0_watchhi0(val) __write_32bit_gc0_register(19, 0, val)
2004#define write_gc0_watchhi1(val) __write_32bit_gc0_register(19, 1, val)
2005#define write_gc0_watchhi2(val) __write_32bit_gc0_register(19, 2, val)
2006#define write_gc0_watchhi3(val) __write_32bit_gc0_register(19, 3, val)
2007#define write_gc0_watchhi4(val) __write_32bit_gc0_register(19, 4, val)
2008#define write_gc0_watchhi5(val) __write_32bit_gc0_register(19, 5, val)
2009#define write_gc0_watchhi6(val) __write_32bit_gc0_register(19, 6, val)
2010#define write_gc0_watchhi7(val) __write_32bit_gc0_register(19, 7, val)
James Hogan7eb91112016-05-11 15:50:29 +01002011
James Hoganbad50d72016-05-16 12:50:04 +01002012#define read_gc0_xcontext() __read_ulong_gc0_register(20, 0)
2013#define write_gc0_xcontext(val) __write_ulong_gc0_register(20, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01002014
James Hoganbad50d72016-05-16 12:50:04 +01002015#define read_gc0_perfctrl0() __read_32bit_gc0_register(25, 0)
2016#define write_gc0_perfctrl0(val) __write_32bit_gc0_register(25, 0, val)
2017#define read_gc0_perfcntr0() __read_32bit_gc0_register(25, 1)
2018#define write_gc0_perfcntr0(val) __write_32bit_gc0_register(25, 1, val)
2019#define read_gc0_perfcntr0_64() __read_64bit_gc0_register(25, 1)
2020#define write_gc0_perfcntr0_64(val) __write_64bit_gc0_register(25, 1, val)
2021#define read_gc0_perfctrl1() __read_32bit_gc0_register(25, 2)
2022#define write_gc0_perfctrl1(val) __write_32bit_gc0_register(25, 2, val)
2023#define read_gc0_perfcntr1() __read_32bit_gc0_register(25, 3)
2024#define write_gc0_perfcntr1(val) __write_32bit_gc0_register(25, 3, val)
2025#define read_gc0_perfcntr1_64() __read_64bit_gc0_register(25, 3)
2026#define write_gc0_perfcntr1_64(val) __write_64bit_gc0_register(25, 3, val)
2027#define read_gc0_perfctrl2() __read_32bit_gc0_register(25, 4)
2028#define write_gc0_perfctrl2(val) __write_32bit_gc0_register(25, 4, val)
2029#define read_gc0_perfcntr2() __read_32bit_gc0_register(25, 5)
2030#define write_gc0_perfcntr2(val) __write_32bit_gc0_register(25, 5, val)
2031#define read_gc0_perfcntr2_64() __read_64bit_gc0_register(25, 5)
2032#define write_gc0_perfcntr2_64(val) __write_64bit_gc0_register(25, 5, val)
2033#define read_gc0_perfctrl3() __read_32bit_gc0_register(25, 6)
2034#define write_gc0_perfctrl3(val) __write_32bit_gc0_register(25, 6, val)
2035#define read_gc0_perfcntr3() __read_32bit_gc0_register(25, 7)
2036#define write_gc0_perfcntr3(val) __write_32bit_gc0_register(25, 7, val)
2037#define read_gc0_perfcntr3_64() __read_64bit_gc0_register(25, 7)
2038#define write_gc0_perfcntr3_64(val) __write_64bit_gc0_register(25, 7, val)
James Hogan7eb91112016-05-11 15:50:29 +01002039
James Hoganbad50d72016-05-16 12:50:04 +01002040#define read_gc0_errorepc() __read_ulong_gc0_register(30, 0)
2041#define write_gc0_errorepc(val) __write_ulong_gc0_register(30, 0, val)
James Hogan7eb91112016-05-11 15:50:29 +01002042
James Hoganbad50d72016-05-16 12:50:04 +01002043#define read_gc0_kscratch1() __read_ulong_gc0_register(31, 2)
2044#define read_gc0_kscratch2() __read_ulong_gc0_register(31, 3)
2045#define read_gc0_kscratch3() __read_ulong_gc0_register(31, 4)
2046#define read_gc0_kscratch4() __read_ulong_gc0_register(31, 5)
2047#define read_gc0_kscratch5() __read_ulong_gc0_register(31, 6)
2048#define read_gc0_kscratch6() __read_ulong_gc0_register(31, 7)
2049#define write_gc0_kscratch1(val) __write_ulong_gc0_register(31, 2, val)
2050#define write_gc0_kscratch2(val) __write_ulong_gc0_register(31, 3, val)
2051#define write_gc0_kscratch3(val) __write_ulong_gc0_register(31, 4, val)
2052#define write_gc0_kscratch4(val) __write_ulong_gc0_register(31, 5, val)
2053#define write_gc0_kscratch5(val) __write_ulong_gc0_register(31, 6, val)
2054#define write_gc0_kscratch6(val) __write_ulong_gc0_register(31, 7, val)
James Hogan7eb91112016-05-11 15:50:29 +01002055
2056/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002057 * Macros to access the floating point coprocessor control registers
2058 */
Manuel Lauss842dfc12014-11-07 14:13:54 +01002059#define _read_32bit_cp1_register(source, gas_hardfloat) \
Steven J. Hillb9688312013-01-12 23:29:27 +00002060({ \
Ralf Baechlec46a2f02015-07-15 11:48:15 +02002061 unsigned int __res; \
Steven J. Hillb9688312013-01-12 23:29:27 +00002062 \
2063 __asm__ __volatile__( \
2064 " .set push \n" \
2065 " .set reorder \n" \
2066 " # gas fails to assemble cfc1 for some archs, \n" \
2067 " # like Octeon. \n" \
2068 " .set mips1 \n" \
Manuel Lauss842dfc12014-11-07 14:13:54 +01002069 " "STR(gas_hardfloat)" \n" \
Steven J. Hillb9688312013-01-12 23:29:27 +00002070 " cfc1 %0,"STR(source)" \n" \
2071 " .set pop \n" \
2072 : "=r" (__res)); \
2073 __res; \
2074})
Linus Torvalds1da177e2005-04-16 15:20:36 -07002075
James Hogan5e320332015-01-30 15:40:19 +00002076#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \
2077do { \
2078 __asm__ __volatile__( \
2079 " .set push \n" \
2080 " .set reorder \n" \
2081 " "STR(gas_hardfloat)" \n" \
2082 " ctc1 %0,"STR(dest)" \n" \
2083 " .set pop \n" \
2084 : : "r" (val)); \
2085} while (0)
2086
Manuel Lauss842dfc12014-11-07 14:13:54 +01002087#ifdef GAS_HAS_SET_HARDFLOAT
2088#define read_32bit_cp1_register(source) \
2089 _read_32bit_cp1_register(source, .set hardfloat)
James Hogan5e320332015-01-30 15:40:19 +00002090#define write_32bit_cp1_register(dest, val) \
2091 _write_32bit_cp1_register(dest, val, .set hardfloat)
Manuel Lauss842dfc12014-11-07 14:13:54 +01002092#else
2093#define read_32bit_cp1_register(source) \
2094 _read_32bit_cp1_register(source, )
James Hogan5e320332015-01-30 15:40:19 +00002095#define write_32bit_cp1_register(dest, val) \
2096 _write_32bit_cp1_register(dest, val, )
Manuel Lauss842dfc12014-11-07 14:13:54 +01002097#endif
2098
Steven J. Hill32a7ede2013-01-03 19:01:52 +00002099#ifdef HAVE_AS_DSP
2100#define rddsp(mask) \
2101({ \
2102 unsigned int __dspctl; \
2103 \
2104 __asm__ __volatile__( \
Florian Fainelli63c2b682013-03-18 15:56:10 +00002105 " .set push \n" \
2106 " .set dsp \n" \
Steven J. Hill32a7ede2013-01-03 19:01:52 +00002107 " rddsp %0, %x1 \n" \
Florian Fainelli63c2b682013-03-18 15:56:10 +00002108 " .set pop \n" \
Steven J. Hill32a7ede2013-01-03 19:01:52 +00002109 : "=r" (__dspctl) \
2110 : "i" (mask)); \
2111 __dspctl; \
2112})
2113
2114#define wrdsp(val, mask) \
2115do { \
2116 __asm__ __volatile__( \
Florian Fainelli63c2b682013-03-18 15:56:10 +00002117 " .set push \n" \
2118 " .set dsp \n" \
Steven J. Hill32a7ede2013-01-03 19:01:52 +00002119 " wrdsp %0, %x1 \n" \
Florian Fainelli63c2b682013-03-18 15:56:10 +00002120 " .set pop \n" \
Steven J. Hill32a7ede2013-01-03 19:01:52 +00002121 : \
2122 : "r" (val), "i" (mask)); \
2123} while (0)
2124
Florian Fainelli63c2b682013-03-18 15:56:10 +00002125#define mflo0() \
2126({ \
2127 long mflo0; \
2128 __asm__( \
2129 " .set push \n" \
2130 " .set dsp \n" \
2131 " mflo %0, $ac0 \n" \
2132 " .set pop \n" \
2133 : "=r" (mflo0)); \
2134 mflo0; \
2135})
Steven J. Hill32a7ede2013-01-03 19:01:52 +00002136
Florian Fainelli63c2b682013-03-18 15:56:10 +00002137#define mflo1() \
2138({ \
2139 long mflo1; \
2140 __asm__( \
2141 " .set push \n" \
2142 " .set dsp \n" \
2143 " mflo %0, $ac1 \n" \
2144 " .set pop \n" \
2145 : "=r" (mflo1)); \
2146 mflo1; \
2147})
Steven J. Hill32a7ede2013-01-03 19:01:52 +00002148
Florian Fainelli63c2b682013-03-18 15:56:10 +00002149#define mflo2() \
2150({ \
2151 long mflo2; \
2152 __asm__( \
2153 " .set push \n" \
2154 " .set dsp \n" \
2155 " mflo %0, $ac2 \n" \
2156 " .set pop \n" \
2157 : "=r" (mflo2)); \
2158 mflo2; \
2159})
Steven J. Hill32a7ede2013-01-03 19:01:52 +00002160
Florian Fainelli63c2b682013-03-18 15:56:10 +00002161#define mflo3() \
2162({ \
2163 long mflo3; \
2164 __asm__( \
2165 " .set push \n" \
2166 " .set dsp \n" \
2167 " mflo %0, $ac3 \n" \
2168 " .set pop \n" \
2169 : "=r" (mflo3)); \
2170 mflo3; \
2171})
2172
2173#define mfhi0() \
2174({ \
2175 long mfhi0; \
2176 __asm__( \
2177 " .set push \n" \
2178 " .set dsp \n" \
2179 " mfhi %0, $ac0 \n" \
2180 " .set pop \n" \
2181 : "=r" (mfhi0)); \
2182 mfhi0; \
2183})
2184
2185#define mfhi1() \
2186({ \
2187 long mfhi1; \
2188 __asm__( \
2189 " .set push \n" \
2190 " .set dsp \n" \
2191 " mfhi %0, $ac1 \n" \
2192 " .set pop \n" \
2193 : "=r" (mfhi1)); \
2194 mfhi1; \
2195})
2196
2197#define mfhi2() \
2198({ \
2199 long mfhi2; \
2200 __asm__( \
2201 " .set push \n" \
2202 " .set dsp \n" \
2203 " mfhi %0, $ac2 \n" \
2204 " .set pop \n" \
2205 : "=r" (mfhi2)); \
2206 mfhi2; \
2207})
2208
2209#define mfhi3() \
2210({ \
2211 long mfhi3; \
2212 __asm__( \
2213 " .set push \n" \
2214 " .set dsp \n" \
2215 " mfhi %0, $ac3 \n" \
2216 " .set pop \n" \
2217 : "=r" (mfhi3)); \
2218 mfhi3; \
2219})
2220
2221
2222#define mtlo0(x) \
2223({ \
2224 __asm__( \
2225 " .set push \n" \
2226 " .set dsp \n" \
2227 " mtlo %0, $ac0 \n" \
2228 " .set pop \n" \
2229 : \
2230 : "r" (x)); \
2231})
2232
2233#define mtlo1(x) \
2234({ \
2235 __asm__( \
2236 " .set push \n" \
2237 " .set dsp \n" \
2238 " mtlo %0, $ac1 \n" \
2239 " .set pop \n" \
2240 : \
2241 : "r" (x)); \
2242})
2243
2244#define mtlo2(x) \
2245({ \
2246 __asm__( \
2247 " .set push \n" \
2248 " .set dsp \n" \
2249 " mtlo %0, $ac2 \n" \
2250 " .set pop \n" \
2251 : \
2252 : "r" (x)); \
2253})
2254
2255#define mtlo3(x) \
2256({ \
2257 __asm__( \
2258 " .set push \n" \
2259 " .set dsp \n" \
2260 " mtlo %0, $ac3 \n" \
2261 " .set pop \n" \
2262 : \
2263 : "r" (x)); \
2264})
2265
2266#define mthi0(x) \
2267({ \
2268 __asm__( \
2269 " .set push \n" \
2270 " .set dsp \n" \
2271 " mthi %0, $ac0 \n" \
2272 " .set pop \n" \
2273 : \
2274 : "r" (x)); \
2275})
2276
2277#define mthi1(x) \
2278({ \
2279 __asm__( \
2280 " .set push \n" \
2281 " .set dsp \n" \
2282 " mthi %0, $ac1 \n" \
2283 " .set pop \n" \
2284 : \
2285 : "r" (x)); \
2286})
2287
2288#define mthi2(x) \
2289({ \
2290 __asm__( \
2291 " .set push \n" \
2292 " .set dsp \n" \
2293 " mthi %0, $ac2 \n" \
2294 " .set pop \n" \
2295 : \
2296 : "r" (x)); \
2297})
2298
2299#define mthi3(x) \
2300({ \
2301 __asm__( \
2302 " .set push \n" \
2303 " .set dsp \n" \
2304 " mthi %0, $ac3 \n" \
2305 " .set pop \n" \
2306 : \
2307 : "r" (x)); \
2308})
Steven J. Hill32a7ede2013-01-03 19:01:52 +00002309
2310#else
2311
Steven J. Hilld0c1b472012-12-07 03:53:29 +00002312#define rddsp(mask) \
2313({ \
2314 unsigned int __res; \
2315 \
2316 __asm__ __volatile__( \
2317 " .set push \n" \
2318 " .set noat \n" \
2319 " # rddsp $1, %x1 \n" \
James Hogan5aadab02016-05-20 23:28:41 +01002320 _ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16)) \
2321 _ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14)) \
Steven J. Hilld0c1b472012-12-07 03:53:29 +00002322 " move %0, $1 \n" \
2323 " .set pop \n" \
2324 : "=r" (__res) \
2325 : "i" (mask)); \
2326 __res; \
2327})
2328
2329#define wrdsp(val, mask) \
2330do { \
2331 __asm__ __volatile__( \
2332 " .set push \n" \
2333 " .set noat \n" \
2334 " move $1, %0 \n" \
2335 " # wrdsp $1, %x1 \n" \
James Hogan5aadab02016-05-20 23:28:41 +01002336 _ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11)) \
2337 _ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14)) \
Steven J. Hilld0c1b472012-12-07 03:53:29 +00002338 " .set pop \n" \
2339 : \
2340 : "r" (val), "i" (mask)); \
2341} while (0)
2342
Steven J. Hill4cb764b2012-12-07 03:53:52 +00002343#define _dsp_mfxxx(ins) \
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002344({ \
2345 unsigned long __treg; \
2346 \
2347 __asm__ __volatile__( \
Steven J. Hill4cb764b2012-12-07 03:53:52 +00002348 " .set push \n" \
2349 " .set noat \n" \
James Hogan5aadab02016-05-20 23:28:41 +01002350 _ASM_INSN_IF_MIPS(0x00000810 | %X1) \
2351 _ASM_INSN32_IF_MM(0x0001007c | %x1) \
Steven J. Hill4cb764b2012-12-07 03:53:52 +00002352 " move %0, $1 \n" \
2353 " .set pop \n" \
2354 : "=r" (__treg) \
2355 : "i" (ins)); \
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002356 __treg; \
2357})
2358
Steven J. Hill4cb764b2012-12-07 03:53:52 +00002359#define _dsp_mtxxx(val, ins) \
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002360do { \
2361 __asm__ __volatile__( \
2362 " .set push \n" \
2363 " .set noat \n" \
2364 " move $1, %0 \n" \
James Hogan5aadab02016-05-20 23:28:41 +01002365 _ASM_INSN_IF_MIPS(0x00200011 | %X1) \
2366 _ASM_INSN32_IF_MM(0x0001207c | %x1) \
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002367 " .set pop \n" \
2368 : \
Steven J. Hill4cb764b2012-12-07 03:53:52 +00002369 : "r" (val), "i" (ins)); \
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002370} while (0)
2371
James Hogan5aadab02016-05-20 23:28:41 +01002372#ifdef CONFIG_CPU_MICROMIPS
2373
2374#define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000)
2375#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000)
2376
2377#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000))
2378#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000))
2379
2380#else /* !CONFIG_CPU_MICROMIPS */
2381
Steven J. Hill4cb764b2012-12-07 03:53:52 +00002382#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
2383#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002384
Steven J. Hill4cb764b2012-12-07 03:53:52 +00002385#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
2386#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002387
James Hogan5aadab02016-05-20 23:28:41 +01002388#endif /* CONFIG_CPU_MICROMIPS */
2389
Steven J. Hill4cb764b2012-12-07 03:53:52 +00002390#define mflo0() _dsp_mflo(0)
2391#define mflo1() _dsp_mflo(1)
2392#define mflo2() _dsp_mflo(2)
2393#define mflo3() _dsp_mflo(3)
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002394
Steven J. Hill4cb764b2012-12-07 03:53:52 +00002395#define mfhi0() _dsp_mfhi(0)
2396#define mfhi1() _dsp_mfhi(1)
2397#define mfhi2() _dsp_mfhi(2)
2398#define mfhi3() _dsp_mfhi(3)
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002399
Steven J. Hill4cb764b2012-12-07 03:53:52 +00002400#define mtlo0(x) _dsp_mtlo(x, 0)
2401#define mtlo1(x) _dsp_mtlo(x, 1)
2402#define mtlo2(x) _dsp_mtlo(x, 2)
2403#define mtlo3(x) _dsp_mtlo(x, 3)
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002404
Steven J. Hill4cb764b2012-12-07 03:53:52 +00002405#define mthi0(x) _dsp_mthi(x, 0)
2406#define mthi1(x) _dsp_mthi(x, 1)
2407#define mthi2(x) _dsp_mthi(x, 2)
2408#define mthi3(x) _dsp_mthi(x, 3)
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002409
Ralf Baechlee50c0a82005-05-31 11:49:19 +00002410#endif
2411
Linus Torvalds1da177e2005-04-16 15:20:36 -07002412/*
2413 * TLB operations.
2414 *
2415 * It is responsibility of the caller to take care of any TLB hazards.
2416 */
2417static inline void tlb_probe(void)
2418{
2419 __asm__ __volatile__(
2420 ".set noreorder\n\t"
2421 "tlbp\n\t"
2422 ".set reorder");
2423}
2424
2425static inline void tlb_read(void)
2426{
Marc St-Jean9267a302007-06-14 15:55:31 -06002427#if MIPS34K_MISSED_ITLB_WAR
2428 int res = 0;
2429
2430 __asm__ __volatile__(
2431 " .set push \n"
2432 " .set noreorder \n"
2433 " .set noat \n"
2434 " .set mips32r2 \n"
2435 " .word 0x41610001 # dvpe $1 \n"
2436 " move %0, $1 \n"
2437 " ehb \n"
2438 " .set pop \n"
2439 : "=r" (res));
2440
2441 instruction_hazard();
2442#endif
2443
Linus Torvalds1da177e2005-04-16 15:20:36 -07002444 __asm__ __volatile__(
2445 ".set noreorder\n\t"
2446 "tlbr\n\t"
2447 ".set reorder");
Marc St-Jean9267a302007-06-14 15:55:31 -06002448
2449#if MIPS34K_MISSED_ITLB_WAR
2450 if ((res & _ULCAST_(1)))
2451 __asm__ __volatile__(
2452 " .set push \n"
2453 " .set noreorder \n"
2454 " .set noat \n"
2455 " .set mips32r2 \n"
2456 " .word 0x41600021 # evpe \n"
2457 " ehb \n"
2458 " .set pop \n");
2459#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07002460}
2461
2462static inline void tlb_write_indexed(void)
2463{
2464 __asm__ __volatile__(
2465 ".set noreorder\n\t"
2466 "tlbwi\n\t"
2467 ".set reorder");
2468}
2469
2470static inline void tlb_write_random(void)
2471{
2472 __asm__ __volatile__(
2473 ".set noreorder\n\t"
2474 "tlbwr\n\t"
2475 ".set reorder");
2476}
2477
James Hoganbad50d72016-05-16 12:50:04 +01002478#ifdef TOOLCHAIN_SUPPORTS_VIRT
2479
Linus Torvalds1da177e2005-04-16 15:20:36 -07002480/*
James Hogan7eb91112016-05-11 15:50:29 +01002481 * Guest TLB operations.
2482 *
2483 * It is responsibility of the caller to take care of any TLB hazards.
Linus Torvalds1da177e2005-04-16 15:20:36 -07002484 */
James Hogan7eb91112016-05-11 15:50:29 +01002485static inline void guest_tlb_probe(void)
2486{
2487 __asm__ __volatile__(
2488 ".set push\n\t"
2489 ".set noreorder\n\t"
2490 ".set virt\n\t"
2491 "tlbgp\n\t"
2492 ".set pop");
2493}
2494
2495static inline void guest_tlb_read(void)
2496{
2497 __asm__ __volatile__(
2498 ".set push\n\t"
2499 ".set noreorder\n\t"
2500 ".set virt\n\t"
2501 "tlbgr\n\t"
2502 ".set pop");
2503}
2504
2505static inline void guest_tlb_write_indexed(void)
2506{
2507 __asm__ __volatile__(
2508 ".set push\n\t"
2509 ".set noreorder\n\t"
2510 ".set virt\n\t"
2511 "tlbgwi\n\t"
2512 ".set pop");
2513}
2514
2515static inline void guest_tlb_write_random(void)
2516{
2517 __asm__ __volatile__(
2518 ".set push\n\t"
2519 ".set noreorder\n\t"
2520 ".set virt\n\t"
2521 "tlbgwr\n\t"
2522 ".set pop");
2523}
2524
2525/*
2526 * Guest TLB Invalidate Flush
2527 */
2528static inline void guest_tlbinvf(void)
2529{
2530 __asm__ __volatile__(
2531 ".set push\n\t"
2532 ".set noreorder\n\t"
2533 ".set virt\n\t"
2534 "tlbginvf\n\t"
2535 ".set pop");
2536}
2537
James Hoganbad50d72016-05-16 12:50:04 +01002538#else /* TOOLCHAIN_SUPPORTS_VIRT */
2539
2540/*
2541 * Guest TLB operations.
2542 *
2543 * It is responsibility of the caller to take care of any TLB hazards.
2544 */
2545static inline void guest_tlb_probe(void)
2546{
2547 __asm__ __volatile__(
2548 "# tlbgp\n\t"
James Hogan1c48a172016-05-20 23:28:38 +01002549 _ASM_INSN_IF_MIPS(0x42000010)
2550 _ASM_INSN32_IF_MM(0x0000017c));
James Hoganbad50d72016-05-16 12:50:04 +01002551}
2552
2553static inline void guest_tlb_read(void)
2554{
2555 __asm__ __volatile__(
2556 "# tlbgr\n\t"
James Hogan1c48a172016-05-20 23:28:38 +01002557 _ASM_INSN_IF_MIPS(0x42000009)
2558 _ASM_INSN32_IF_MM(0x0000117c));
James Hoganbad50d72016-05-16 12:50:04 +01002559}
2560
2561static inline void guest_tlb_write_indexed(void)
2562{
2563 __asm__ __volatile__(
2564 "# tlbgwi\n\t"
James Hogan1c48a172016-05-20 23:28:38 +01002565 _ASM_INSN_IF_MIPS(0x4200000a)
2566 _ASM_INSN32_IF_MM(0x0000217c));
James Hoganbad50d72016-05-16 12:50:04 +01002567}
2568
2569static inline void guest_tlb_write_random(void)
2570{
2571 __asm__ __volatile__(
2572 "# tlbgwr\n\t"
James Hogan1c48a172016-05-20 23:28:38 +01002573 _ASM_INSN_IF_MIPS(0x4200000e)
2574 _ASM_INSN32_IF_MM(0x0000317c));
James Hoganbad50d72016-05-16 12:50:04 +01002575}
2576
2577/*
2578 * Guest TLB Invalidate Flush
2579 */
2580static inline void guest_tlbinvf(void)
2581{
2582 __asm__ __volatile__(
2583 "# tlbginvf\n\t"
James Hogan1c48a172016-05-20 23:28:38 +01002584 _ASM_INSN_IF_MIPS(0x4200000c)
2585 _ASM_INSN32_IF_MM(0x0000517c));
James Hoganbad50d72016-05-16 12:50:04 +01002586}
2587
2588#endif /* !TOOLCHAIN_SUPPORTS_VIRT */
2589
James Hogan7eb91112016-05-11 15:50:29 +01002590/*
2591 * Manipulate bits in a register.
2592 */
2593#define __BUILD_SET_COMMON(name) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07002594static inline unsigned int \
James Hogan7eb91112016-05-11 15:50:29 +01002595set_##name(unsigned int set) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07002596{ \
Ralf Baechle89e18eb2009-03-23 22:14:55 +01002597 unsigned int res, new; \
Linus Torvalds1da177e2005-04-16 15:20:36 -07002598 \
James Hogan7eb91112016-05-11 15:50:29 +01002599 res = read_##name(); \
Ralf Baechle89e18eb2009-03-23 22:14:55 +01002600 new = res | set; \
James Hogan7eb91112016-05-11 15:50:29 +01002601 write_##name(new); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07002602 \
2603 return res; \
2604} \
2605 \
2606static inline unsigned int \
James Hogan7eb91112016-05-11 15:50:29 +01002607clear_##name(unsigned int clear) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07002608{ \
Ralf Baechle89e18eb2009-03-23 22:14:55 +01002609 unsigned int res, new; \
Linus Torvalds1da177e2005-04-16 15:20:36 -07002610 \
James Hogan7eb91112016-05-11 15:50:29 +01002611 res = read_##name(); \
Ralf Baechle89e18eb2009-03-23 22:14:55 +01002612 new = res & ~clear; \
James Hogan7eb91112016-05-11 15:50:29 +01002613 write_##name(new); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07002614 \
2615 return res; \
2616} \
2617 \
2618static inline unsigned int \
James Hogan7eb91112016-05-11 15:50:29 +01002619change_##name(unsigned int change, unsigned int val) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07002620{ \
Ralf Baechle89e18eb2009-03-23 22:14:55 +01002621 unsigned int res, new; \
Linus Torvalds1da177e2005-04-16 15:20:36 -07002622 \
James Hogan7eb91112016-05-11 15:50:29 +01002623 res = read_##name(); \
Ralf Baechle89e18eb2009-03-23 22:14:55 +01002624 new = res & ~change; \
2625 new |= (val & change); \
James Hogan7eb91112016-05-11 15:50:29 +01002626 write_##name(new); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07002627 \
2628 return res; \
2629}
2630
James Hogan7eb91112016-05-11 15:50:29 +01002631/*
2632 * Manipulate bits in a c0 register.
2633 */
2634#define __BUILD_SET_C0(name) __BUILD_SET_COMMON(c0_##name)
2635
Linus Torvalds1da177e2005-04-16 15:20:36 -07002636__BUILD_SET_C0(status)
2637__BUILD_SET_C0(cause)
2638__BUILD_SET_C0(config)
Paul Burton7f65afb2014-01-27 15:23:09 +00002639__BUILD_SET_C0(config5)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002640__BUILD_SET_C0(intcontrol)
Ralf Baechle7a0fc582005-07-13 19:47:28 +00002641__BUILD_SET_C0(intctl)
2642__BUILD_SET_C0(srsmap)
Steven J. Hilla5770df2015-02-19 10:18:52 -06002643__BUILD_SET_C0(pagegrain)
James Hoganf913e9e2016-05-11 15:50:28 +01002644__BUILD_SET_C0(guestctl0)
2645__BUILD_SET_C0(guestctl0ext)
2646__BUILD_SET_C0(guestctl1)
2647__BUILD_SET_C0(guestctl2)
2648__BUILD_SET_C0(guestctl3)
Kevin Cernekee020232f2011-11-16 01:25:44 +00002649__BUILD_SET_C0(brcm_config_0)
2650__BUILD_SET_C0(brcm_bus_pll)
2651__BUILD_SET_C0(brcm_reset)
2652__BUILD_SET_C0(brcm_cmt_intr)
2653__BUILD_SET_C0(brcm_cmt_ctrl)
2654__BUILD_SET_C0(brcm_config)
2655__BUILD_SET_C0(brcm_mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002656
David Daney45b585c2014-05-28 23:52:10 +02002657/*
James Hogan7eb91112016-05-11 15:50:29 +01002658 * Manipulate bits in a guest c0 register.
2659 */
2660#define __BUILD_SET_GC0(name) __BUILD_SET_COMMON(gc0_##name)
2661
2662__BUILD_SET_GC0(status)
2663__BUILD_SET_GC0(cause)
2664__BUILD_SET_GC0(ebase)
2665
2666/*
David Daney45b585c2014-05-28 23:52:10 +02002667 * Return low 10 bits of ebase.
2668 * Note that under KVM (MIPSVZ) this returns vcpu id.
2669 */
2670static inline unsigned int get_ebase_cpunum(void)
2671{
James Hogan37af2f32016-05-11 13:50:49 +01002672 return read_c0_ebase() & MIPS_EBASE_CPUNUM;
David Daney45b585c2014-05-28 23:52:10 +02002673}
2674
Linus Torvalds1da177e2005-04-16 15:20:36 -07002675#endif /* !__ASSEMBLY__ */
2676
2677#endif /* _ASM_MIPSREGS_H */