summaryrefslogtreecommitdiffstats
path: root/arch/arm64/include/asm/sysreg.h
blob: 0c909c4a932ff3da741fbda7c16cf6a3780d6107 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
/*
 * Macros for accessing system registers with older binutils.
 *
 * Copyright (C) 2014 ARM Ltd.
 * Author: Catalin Marinas <catalin.marinas@arm.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __ASM_SYSREG_H
#define __ASM_SYSREG_H

#include <linux/stringify.h>

/*
 * ARMv8 ARM reserves the following encoding for system registers:
 * (Ref: ARMv8 ARM, Section: "System instruction class encoding overview",
 *  C5.2, version:ARM DDI 0487A.f)
 *	[20-19] : Op0
 *	[18-16] : Op1
 *	[15-12] : CRn
 *	[11-8]  : CRm
 *	[7-5]   : Op2
 */
#define Op0_shift	19
#define Op0_mask	0x3
#define Op1_shift	16
#define Op1_mask	0x7
#define CRn_shift	12
#define CRn_mask	0xf
#define CRm_shift	8
#define CRm_mask	0xf
#define Op2_shift	5
#define Op2_mask	0x7

#define sys_reg(op0, op1, crn, crm, op2) \
	(((op0) << Op0_shift) | ((op1) << Op1_shift) | \
	 ((crn) << CRn_shift) | ((crm) << CRm_shift) | \
	 ((op2) << Op2_shift))

#define sys_insn	sys_reg

#define sys_reg_Op0(id)	(((id) >> Op0_shift) & Op0_mask)
#define sys_reg_Op1(id)	(((id) >> Op1_shift) & Op1_mask)
#define sys_reg_CRn(id)	(((id) >> CRn_shift) & CRn_mask)
#define sys_reg_CRm(id)	(((id) >> CRm_shift) & CRm_mask)
#define sys_reg_Op2(id)	(((id) >> Op2_shift) & Op2_mask)

#ifndef CONFIG_BROKEN_GAS_INST

#ifdef __ASSEMBLY__
#define __emit_inst(x)			.inst (x)
#else
#define __emit_inst(x)			".inst " __stringify((x)) "\n\t"
#endif

#else  /* CONFIG_BROKEN_GAS_INST */

#ifndef CONFIG_CPU_BIG_ENDIAN
#define __INSTR_BSWAP(x)		(x)
#else  /* CONFIG_CPU_BIG_ENDIAN */
#define __INSTR_BSWAP(x)		((((x) << 24) & 0xff000000)	| \
					 (((x) <<  8) & 0x00ff0000)	| \
					 (((x) >>  8) & 0x0000ff00)	| \
					 (((x) >> 24) & 0x000000ff))
#endif	/* CONFIG_CPU_BIG_ENDIAN */

#ifdef __ASSEMBLY__
#define __emit_inst(x)			.long __INSTR_BSWAP(x)
#else  /* __ASSEMBLY__ */
#define __emit_inst(x)			".long " __stringify(__INSTR_BSWAP(x)) "\n\t"
#endif	/* __ASSEMBLY__ */

#endif	/* CONFIG_BROKEN_GAS_INST */

/*
 * Instructions for modifying PSTATE fields.
 * As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints,
 * barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions
 * for accessing PSTATE fields have the following encoding:
 *	Op0 = 0, CRn = 4
 *	Op1, Op2 encodes the PSTATE field modified and defines the constraints.
 *	CRm = Imm4 for the instruction.
 *	Rt = 0x1f
 */
#define pstate_field(op1, op2)		((op1) << Op1_shift | (op2) << Op2_shift)
#define PSTATE_Imm_shift		CRm_shift

#define PSTATE_PAN			pstate_field(0, 4)
#define PSTATE_UAO			pstate_field(0, 3)
#define PSTATE_SSBS			pstate_field(3, 1)

#define SET_PSTATE_PAN(x)		__emit_inst(0xd500401f | PSTATE_PAN | ((!!x) << PSTATE_Imm_shift))
#define SET_PSTATE_UAO(x)		__emit_inst(0xd500401f | PSTATE_UAO | ((!!x) << PSTATE_Imm_shift))
#define SET_PSTATE_SSBS(x)		__emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift))

#define SYS_DC_ISW			sys_insn(1, 0, 7, 6, 2)
#define SYS_DC_CSW			sys_insn(1, 0, 7, 10, 2)
#define SYS_DC_CISW			sys_insn(1, 0, 7, 14, 2)

#define SYS_OSDTRRX_EL1			sys_reg(2, 0, 0, 0, 2)
#define SYS_MDCCINT_EL1			sys_reg(2, 0, 0, 2, 0)
#define SYS_MDSCR_EL1			sys_reg(2, 0, 0, 2, 2)
#define SYS_OSDTRTX_EL1			sys_reg(2, 0, 0, 3, 2)
#define SYS_OSECCR_EL1			sys_reg(2, 0, 0, 6, 2)
#define SYS_DBGBVRn_EL1(n)		sys_reg(2, 0, 0, n, 4)
#define SYS_DBGBCRn_EL1(n)		sys_reg(2, 0, 0, n, 5)
#define SYS_DBGWVRn_EL1(n)		sys_reg(2, 0, 0, n, 6)
#define SYS_DBGWCRn_EL1(n)		sys_reg(2, 0, 0, n, 7)
#define SYS_MDRAR_EL1			sys_reg(2, 0, 1, 0, 0)
#define SYS_OSLAR_EL1			sys_reg(2, 0, 1, 0, 4)
#define SYS_OSLSR_EL1			sys_reg(2, 0, 1, 1, 4)
#define SYS_OSDLR_EL1			sys_reg(2, 0, 1, 3, 4)
#define SYS_DBGPRCR_EL1			sys_reg(2, 0, 1, 4, 4)
#define SYS_DBGCLAIMSET_EL1		sys_reg(2, 0, 7, 8, 6)
#define SYS_DBGCLAIMCLR_EL1		sys_reg(2, 0, 7, 9, 6)
#define SYS_DBGAUTHSTATUS_EL1		sys_reg(2, 0, 7, 14, 6)
#define SYS_MDCCSR_EL0			sys_reg(2, 3, 0, 1, 0)
#define SYS_DBGDTR_EL0			sys_reg(2, 3, 0, 4, 0)
#define SYS_DBGDTRRX_EL0		sys_reg(2, 3, 0, 5, 0)
#define SYS_DBGDTRTX_EL0		sys_reg(2, 3, 0, 5, 0)
#define SYS_DBGVCR32_EL2		sys_reg(2, 4, 0, 7, 0)

#define SYS_MIDR_EL1			sys_reg(3, 0, 0, 0, 0)
#define SYS_MPIDR_EL1			sys_reg(3, 0, 0, 0, 5)
#define SYS_REVIDR_EL1			sys_reg(3, 0, 0, 0, 6)

#define SYS_ID_PFR0_EL1			sys_reg(3, 0, 0, 1, 0)
#define SYS_ID_PFR1_EL1			sys_reg(3, 0, 0, 1, 1)
#define SYS_ID_DFR0_EL1			sys_reg(3, 0, 0, 1, 2)
#define SYS_ID_AFR0_EL1			sys_reg(3, 0, 0, 1, 3)
#define SYS_ID_MMFR0_EL1		sys_reg(3, 0, 0, 1, 4)
#define SYS_ID_MMFR1_EL1		sys_reg(3, 0, 0, 1, 5)
#define SYS_ID_MMFR2_EL1		sys_reg(3, 0, 0, 1, 6)
#define SYS_ID_MMFR3_EL1		sys_reg(3, 0, 0, 1, 7)

#define SYS_ID_ISAR0_EL1		sys_reg(3, 0, 0, 2, 0)
#define SYS_ID_ISAR1_EL1		sys_reg(3, 0, 0, 2, 1)
#define SYS_ID_ISAR2_EL1		sys_reg(3, 0, 0, 2, 2)
#define SYS_ID_ISAR3_EL1		sys_reg(3, 0, 0, 2, 3)
#define SYS_ID_ISAR4_EL1		sys_reg(3, 0, 0, 2, 4)
#define SYS_ID_ISAR5_EL1		sys_reg(3, 0, 0, 2, 5)
#define SYS_ID_MMFR4_EL1		sys_reg(3, 0, 0, 2, 6)

#define SYS_MVFR0_EL1			sys_reg(3, 0, 0, 3, 0)
#define SYS_MVFR1_EL1			sys_reg(3, 0, 0, 3, 1)
#define SYS_MVFR2_EL1			sys_reg(3, 0, 0, 3, 2)

#define SYS_ID_AA64PFR0_EL1		sys_reg(3, 0, 0, 4, 0)
#define SYS_ID_AA64PFR1_EL1		sys_reg(3, 0, 0, 4, 1)
#define SYS_ID_AA64ZFR0_EL1		sys_reg(3, 0, 0, 4, 4)

#define SYS_ID_AA64DFR0_EL1		sys_reg(3, 0, 0, 5, 0)
#define SYS_ID_AA64DFR1_EL1		sys_reg(3, 0, 0, 5, 1)

#define SYS_ID_AA64AFR0_EL1		sys_reg(3, 0, 0, 5, 4)
#define SYS_ID_AA64AFR1_EL1		sys_reg(3, 0, 0, 5, 5)

#define SYS_ID_AA64ISAR0_EL1		sys_reg(3, 0, 0, 6, 0)
#define SYS_ID_AA64ISAR1_EL1		sys_reg(3, 0, 0, 6, 1)

#define SYS_ID_AA64MMFR0_EL1		sys_reg(3, 0, 0, 7, 0)
#define SYS_ID_AA64MMFR1_EL1		sys_reg(3, 0, 0, 7, 1)
#define SYS_ID_AA64MMFR2_EL1		sys_reg(3, 0, 0, 7, 2)

#define SYS_SCTLR_EL1			sys_reg(3, 0, 1, 0, 0)
#define SYS_ACTLR_EL1			sys_reg(3, 0, 1, 0, 1)
#define SYS_CPACR_EL1			sys_reg(3, 0, 1, 0, 2)

#define SYS_ZCR_EL1			sys_reg(3, 0, 1, 2, 0)

#define SYS_TTBR0_EL1			sys_reg(3, 0, 2, 0, 0)
#define SYS_TTBR1_EL1			sys_reg(3, 0, 2, 0, 1)
#define SYS_TCR_EL1			sys_reg(3, 0, 2, 0, 2)

#define SYS_ICC_PMR_EL1			sys_reg(3, 0, 4, 6, 0)

#define SYS_AFSR0_EL1			sys_reg(3, 0, 5, 1, 0)
#define SYS_AFSR1_EL1			sys_reg(3, 0, 5, 1, 1)
#define SYS_ESR_EL1			sys_reg(3, 0, 5, 2, 0)

#define SYS_ERRIDR_EL1			sys_reg(3, 0, 5, 3, 0)
#define SYS_ERRSELR_EL1			sys_reg(3, 0, 5, 3, 1)
#define SYS_ERXFR_EL1			sys_reg(3, 0, 5, 4, 0)
#define SYS_ERXCTLR_EL1			sys_reg(3, 0, 5, 4, 1)
#define SYS_ERXSTATUS_EL1		sys_reg(3, 0, 5, 4, 2)
#define SYS_ERXADDR_EL1			sys_reg(3, 0, 5, 4, 3)
#define SYS_ERXMISC0_EL1		sys_reg(3, 0, 5, 5, 0)
#define SYS_ERXMISC1_EL1		sys_reg(3, 0, 5, 5, 1)

#define SYS_FAR_EL1			sys_reg(3, 0, 6, 0, 0)
#define SYS_PAR_EL1			sys_reg(3, 0, 7, 4, 0)

/*** Statistical Profiling Extension ***/
/* ID registers */
#define SYS_PMSIDR_EL1			sys_reg(3, 0, 9, 9, 7)
#define SYS_PMSIDR_EL1_FE_SHIFT		0
#define SYS_PMSIDR_EL1_FT_SHIFT		1
#define SYS_PMSIDR_EL1_FL_SHIFT		2
#define SYS_PMSIDR_EL1_ARCHINST_SHIFT	3
#define SYS_PMSIDR_EL1_LDS_SHIFT	4
#define SYS_PMSIDR_EL1_ERND_SHIFT	5
#define SYS_PMSIDR_EL1_INTERVAL_SHIFT	8
#define SYS_PMSIDR_EL1_INTERVAL_MASK	0xfUL
#define SYS_PMSIDR_EL1_MAXSIZE_SHIFT	12
#define SYS_PMSIDR_EL1_MAXSIZE_MASK	0xfUL
#define SYS_PMSIDR_EL1_COUNTSIZE_SHIFT	16
#define SYS_PMSIDR_EL1_COUNTSIZE_MASK	0xfUL

#define SYS_PMBIDR_EL1			sys_reg(3, 0, 9, 10, 7)
#define SYS_PMBIDR_EL1_ALIGN_SHIFT	0
#define SYS_PMBIDR_EL1_ALIGN_MASK	0xfU
#define SYS_PMBIDR_EL1_P_SHIFT		4
#define SYS_PMBIDR_EL1_F_SHIFT		5

/* Sampling controls */
#define SYS_PMSCR_EL1			sys_reg(3, 0, 9, 9, 0)
#define SYS_PMSCR_EL1_E0SPE_SHIFT	0
#define SYS_PMSCR_EL1_E1SPE_SHIFT	1
#define SYS_PMSCR_EL1_CX_SHIFT		3
#define SYS_PMSCR_EL1_PA_SHIFT		4
#define SYS_PMSCR_EL1_TS_SHIFT		5
#define SYS_PMSCR_EL1_PCT_SHIFT		6

#define SYS_PMSCR_EL2			sys_reg(3, 4, 9, 9, 0)
#define SYS_PMSCR_EL2_E0HSPE_SHIFT	0
#define SYS_PMSCR_EL2_E2SPE_SHIFT	1
#define SYS_PMSCR_EL2_CX_SHIFT		3
#define SYS_PMSCR_EL2_PA_SHIFT		4
#define SYS_PMSCR_EL2_TS_SHIFT		5
#define SYS_PMSCR_EL2_PCT_SHIFT		6

#define SYS_PMSICR_EL1			sys_reg(3, 0, 9, 9, 2)

#define SYS_PMSIRR_EL1			sys_reg(3, 0, 9, 9, 3)
#define SYS_PMSIRR_EL1_RND_SHIFT	0
#define SYS_PMSIRR_EL1_INTERVAL_SHIFT	8
#define SYS_PMSIRR_EL1_INTERVAL_MASK	0xffffffUL

/* Filtering controls */
#define SYS_PMSFCR_EL1			sys_reg(3, 0, 9, 9, 4)
#define SYS_PMSFCR_EL1_FE_SHIFT		0
#define SYS_PMSFCR_EL1_FT_SHIFT		1
#define SYS_PMSFCR_EL1_FL_SHIFT		2
#define SYS_PMSFCR_EL1_B_SHIFT		16
#define SYS_PMSFCR_EL1_LD_SHIFT		17
#define SYS_PMSFCR_EL1_ST_SHIFT		18

#define SYS_PMSEVFR_EL1			sys_reg(3, 0, 9, 9, 5)
#define SYS_PMSEVFR_EL1_RES0		0x0000ffff00ff0f55UL

#define SYS_PMSLATFR_EL1		sys_reg(3, 0, 9, 9, 6)
#define SYS_PMSLATFR_EL1_MINLAT_SHIFT	0

/* Buffer controls */
#define SYS_PMBLIMITR_EL1		sys_reg(3, 0, 9, 10, 0)
#define SYS_PMBLIMITR_EL1_E_SHIFT	0
#define SYS_PMBLIMITR_EL1_FM_SHIFT	1
#define SYS_PMBLIMITR_EL1_FM_MASK	0x3UL
#define SYS_PMBLIMITR_EL1_FM_STOP_IRQ	(0 << SYS_PMBLIMITR_EL1_FM_SHIFT)

#define SYS_PMBPTR_EL1			sys_reg(3, 0, 9, 10, 1)

/* Buffer error reporting */
#define SYS_PMBSR_EL1			sys_reg(3, 0, 9, 10, 3)
#define SYS_PMBSR_EL1_COLL_SHIFT	16
#define SYS_PMBSR_EL1_S_SHIFT		17
#define SYS_PMBSR_EL1_EA_SHIFT		18
#define SYS_PMBSR_EL1_DL_SHIFT		19
#define SYS_PMBSR_EL1_EC_SHIFT		26
#define SYS_PMBSR_EL1_EC_MASK		0x3fUL

#define SYS_PMBSR_EL1_EC_BUF		(0x0UL << SYS_PMBSR_EL1_EC_SHIFT)
#define SYS_PMBSR_EL1_EC_FAULT_S1	(0x24UL << SYS_PMBSR_EL1_EC_SHIFT)
#define SYS_PMBSR_EL1_EC_FAULT_S2	(0x25UL << SYS_PMBSR_EL1_EC_SHIFT)

#define SYS_PMBSR_EL1_FAULT_FSC_SHIFT	0
#define SYS_PMBSR_EL1_FAULT_FSC_MASK	0x3fUL

#define SYS_PMBSR_EL1_BUF_BSC_SHIFT	0
#define SYS_PMBSR_EL1_BUF_BSC_MASK	0x3fUL

#define SYS_PMBSR_EL1_BUF_BSC_FULL	(0x1UL << SYS_PMBSR_EL1_BUF_BSC_SHIFT)

/*** End of Statistical Profiling Extension ***/

#define SYS_PMINTENSET_EL1		sys_reg(3, 0, 9, 14, 1)
#define SYS_PMINTENCLR_EL1		sys_reg(3, 0, 9, 14, 2)

#define SYS_MAIR_EL1			sys_reg(3, 0, 10, 2, 0)
#define SYS_AMAIR_EL1			sys_reg(3, 0, 10, 3, 0)

#define SYS_LORSA_EL1			sys_reg(3, 0, 10, 4, 0)
#define SYS_LOREA_EL1			sys_reg(3, 0, 10, 4, 1)
#define SYS_LORN_EL1			sys_reg(3, 0, 10, 4, 2)
#define SYS_LORC_EL1			sys_reg(3, 0, 10, 4, 3)
#define SYS_LORID_EL1			sys_reg(3, 0, 10, 4, 7)

#define SYS_VBAR_EL1			sys_reg(3, 0, 12, 0, 0)
#define SYS_DISR_EL1			sys_reg(3, 0, 12, 1, 1)

#define SYS_ICC_IAR0_EL1		sys_reg(3, 0, 12, 8, 0)
#define SYS_ICC_EOIR0_EL1		sys_reg(3, 0, 12, 8, 1)
#define SYS_ICC_HPPIR0_EL1		sys_reg(3, 0, 12, 8, 2)
#define SYS_ICC_BPR0_EL1		sys_reg(3, 0, 12, 8, 3)
#define SYS_ICC_AP0Rn_EL1(n)		sys_reg(3, 0, 12, 8, 4 | n)
#define SYS_ICC_AP0R0_EL1		SYS_ICC_AP0Rn_EL1(0)
#define SYS_ICC_AP0R1_EL1		SYS_ICC_AP0Rn_EL1(1)
#define SYS_ICC_AP0R2_EL1		SYS_ICC_AP0Rn_EL1(2)
#define SYS_ICC_AP0R3_EL1		SYS_ICC_AP0Rn_EL1(3)
#define SYS_ICC_AP1Rn_EL1(n)		sys_reg(3, 0, 12, 9, n)
#define SYS_ICC_AP1R0_EL1		SYS_ICC_AP1Rn_EL1(0)
#define SYS_ICC_AP1R1_EL1		SYS_ICC_AP1Rn_EL1(1)
#define SYS_ICC_AP1R2_EL1		SYS_ICC_AP1Rn_EL1(2)
#define SYS_ICC_AP1R3_EL1		SYS_ICC_AP1Rn_EL1(3)
#define SYS_ICC_DIR_EL1			sys_reg(3, 0, 12, 11, 1)
#define SYS_ICC_RPR_EL1			sys_reg(3, 0, 12, 11, 3)
#define SYS_ICC_SGI1R_EL1		sys_reg(3, 0, 12, 11, 5)
#define SYS_ICC_ASGI1R_EL1		sys_reg(3, 0, 12, 11, 6)
#define SYS_ICC_SGI0R_EL1		sys_reg(3, 0, 12, 11, 7)
#define SYS_ICC_IAR1_EL1		sys_reg(3, 0, 12, 12, 0)
#define SYS_ICC_EOIR1_EL1		sys_reg(3, 0, 12, 12, 1)
#define SYS_ICC_HPPIR1_EL1		sys_reg(3, 0, 12, 12, 2)
#define SYS_ICC_BPR1_EL1		sys_reg(3, 0, 12, 12, 3)
#define SYS_ICC_CTLR_EL1		sys_reg(3, 0, 12, 12, 4)
#define SYS_ICC_SRE_EL1			sys_reg(3, 0, 12, 12, 5)
#define SYS_ICC_IGRPEN0_EL1		sys_reg(3, 0, 12, 12, 6)
#define SYS_ICC_IGRPEN1_EL1		sys_reg(3, 0, 12, 12, 7)

#define SYS_CONTEXTIDR_EL1		sys_reg(3, 0, 13, 0, 1)
#define SYS_TPIDR_EL1			sys_reg(3, 0, 13, 0, 4)

#define SYS_CNTKCTL_EL1			sys_reg(3, 0, 14, 1, 0)

#define SYS_CLIDR_EL1			sys_reg(3, 1, 0, 0, 1)
#define SYS_AIDR_EL1			sys_reg(3, 1, 0, 0, 7)

#define SYS_CSSELR_EL1			sys_reg(3, 2, 0, 0, 0)

#define SYS_CTR_EL0			sys_reg(3, 3, 0, 0, 1)
#define SYS_DCZID_EL0			sys_reg(3, 3, 0, 0, 7)

#define SYS_PMCR_EL0			sys_reg(3, 3, 9, 12, 0)
#define SYS_PMCNTENSET_EL0		sys_reg(3, 3, 9, 12, 1)
#define SYS_PMCNTENCLR_EL0		sys_reg(3, 3, 9, 12, 2)
#define SYS_PMOVSCLR_EL0		sys_reg(3, 3, 9, 12, 3)
#define SYS_PMSWINC_EL0			sys_reg(3, 3, 9, 12, 4)
#define SYS_PMSELR_EL0			sys_reg(3, 3, 9, 12, 5)
#define SYS_PMCEID0_EL0			sys_reg(3, 3, 9, 12, 6)
#define SYS_PMCEID1_EL0			sys_reg(3, 3, 9, 12, 7)
#define SYS_PMCCNTR_EL0			sys_reg(3, 3, 9, 13, 0)
#define SYS_PMXEVTYPER_EL0		sys_reg(3, 3, 9, 13, 1)
#define SYS_PMXEVCNTR_EL0		sys_reg(3, 3, 9, 13, 2)
#define SYS_PMUSERENR_EL0		sys_reg(3, 3, 9, 14, 0)
#define SYS_PMOVSSET_EL0		sys_reg(3, 3, 9, 14, 3)

#define SYS_TPIDR_EL0			sys_reg(3, 3, 13, 0, 2)
#define SYS_TPIDRRO_EL0			sys_reg(3, 3, 13, 0, 3)

#define SYS_CNTFRQ_EL0			sys_reg(3, 3, 14, 0, 0)

#define SYS_CNTP_TVAL_EL0		sys_reg(3, 3, 14, 2, 0)
#define SYS_CNTP_CTL_EL0		sys_reg(3, 3, 14, 2, 1)
#define SYS_CNTP_CVAL_EL0		sys_reg(3, 3, 14, 2, 2)

#define __PMEV_op2(n)			((n) & 0x7)
#define __CNTR_CRm(n)			(0x8 | (((n) >> 3) & 0x3))
#define SYS_PMEVCNTRn_EL0(n)		sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n))
#define __TYPER_CRm(n)			(0xc | (((n) >> 3) & 0x3))
#define SYS_PMEVTYPERn_EL0(n)		sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n))

#define SYS_PMCCFILTR_EL0		sys_reg (3, 3, 14, 15, 7)

#define SYS_ZCR_EL2			sys_reg(3, 4, 1, 2, 0)

#define SYS_DACR32_EL2			sys_reg(3, 4, 3, 0, 0)
#define SYS_IFSR32_EL2			sys_reg(3, 4, 5, 0, 1)
#define SYS_VSESR_EL2			sys_reg(3, 4, 5, 2, 3)
#define SYS_FPEXC32_EL2			sys_reg(3, 4, 5, 3, 0)

#define SYS_VDISR_EL2			sys_reg(3, 4, 12, 1,  1)
#define __SYS__AP0Rx_EL2(x)		sys_reg(3, 4, 12, 8, x)
#define SYS_ICH_AP0R0_EL2		__SYS__AP0Rx_EL2(0)
#define SYS_ICH_AP0R1_EL2		__SYS__AP0Rx_EL2(1)
#define SYS_ICH_AP0R2_EL2		__SYS__AP0Rx_EL2(2)
#define SYS_ICH_AP0R3_EL2		__SYS__AP0Rx_EL2(3)

#define __SYS__AP1Rx_EL2(x)		sys_reg(3, 4, 12, 9, x)
#define SYS_ICH_AP1R0_EL2		__SYS__AP1Rx_EL2(0)
#define SYS_ICH_AP1R1_EL2		__SYS__AP1Rx_EL2(1)
#define SYS_ICH_AP1R2_EL2		__SYS__AP1Rx_EL2(2)
#define SYS_ICH_AP1R3_EL2		__SYS__AP1Rx_EL2(3)

#define SYS_ICH_VSEIR_EL2		sys_reg(3, 4, 12, 9, 4)
#define SYS_ICC_SRE_EL2			sys_reg(3, 4, 12, 9, 5)
#define SYS_ICH_HCR_EL2			sys_reg(3, 4, 12, 11, 0)
#define SYS_ICH_VTR_EL2			sys_reg(3, 4, 12, 11, 1)
#define SYS_ICH_MISR_EL2		sys_reg(3, 4, 12, 11, 2)
#define SYS_ICH_EISR_EL2		sys_reg(3, 4, 12, 11, 3)
#define SYS_ICH_ELSR_EL2		sys_reg(3, 4, 12, 11, 5)
#define SYS_ICH_VMCR_EL2		sys_reg(3, 4, 12, 11, 7)

#define __SYS__LR0_EL2(x)		sys_reg(3, 4, 12, 12, x)
#define SYS_ICH_LR0_EL2			__SYS__LR0_EL2(0)
#define SYS_ICH_LR1_EL2			__SYS__LR0_EL2(1)
#define SYS_ICH_LR2_EL2			__SYS__LR0_EL2(2)
#define SYS_ICH_LR3_EL2			__SYS__LR0_EL2(3)
#define SYS_ICH_LR4_EL2			__SYS__LR0_EL2(4)
#define SYS_ICH_LR5_EL2			__SYS__LR0_EL2(5)
#define SYS_ICH_LR6_EL2			__SYS__LR0_EL2(6)
#define SYS_ICH_LR7_EL2			__SYS__LR0_EL2(7)

#define __SYS__LR8_EL2(x)		sys_reg(3, 4, 12, 13, x)
#define SYS_ICH_LR8_EL2			__SYS__LR8_EL2(0)
#define SYS_ICH_LR9_EL2			__SYS__LR8_EL2(1)
#define SYS_ICH_LR10_EL2		__SYS__LR8_EL2(2)
#define SYS_ICH_LR11_EL2		__SYS__LR8_EL2(3)
#define SYS_ICH_LR12_EL2		__SYS__LR8_EL2(4)
#define SYS_ICH_LR13_EL2		__SYS__LR8_EL2(5)
#define SYS_ICH_LR14_EL2		__SYS__LR8_EL2(6)
#define SYS_ICH_LR15_EL2		__SYS__LR8_EL2(7)

/* Common SCTLR_ELx flags. */
#define SCTLR_ELx_DSSBS	(1UL << 44)
#define SCTLR_ELx_EE    (1 << 25)
#define SCTLR_ELx_IESB	(1 << 21)
#define SCTLR_ELx_WXN	(1 << 19)
#define SCTLR_ELx_I	(1 << 12)
#define SCTLR_ELx_SA	(1 << 3)
#define SCTLR_ELx_C	(1 << 2)
#define SCTLR_ELx_A	(1 << 1)
#define SCTLR_ELx_M	1

#define SCTLR_ELx_FLAGS	(SCTLR_ELx_M  | SCTLR_ELx_A | SCTLR_ELx_C | \
			 SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_IESB)

/* SCTLR_EL2 specific flags. */
#define SCTLR_EL2_RES1	((1 << 4)  | (1 << 5)  | (1 << 11) | (1 << 16) | \
			 (1 << 18) | (1 << 22) | (1 << 23) | (1 << 28) | \
			 (1 << 29))
#define SCTLR_EL2_RES0	((1 << 6)  | (1 << 7)  | (1 << 8)  | (1 << 9)  | \
			 (1 << 10) | (1 << 13) | (1 << 14) | (1 << 15) | \
			 (1 << 17) | (1 << 20) | (1 << 24) | (1 << 26) | \
			 (1 << 27) | (1 << 30) | (1 << 31) | \
			 (0xffffefffUL << 32))

#ifdef CONFIG_CPU_BIG_ENDIAN
#define ENDIAN_SET_EL2		SCTLR_ELx_EE
#define ENDIAN_CLEAR_EL2	0
#else
#define ENDIAN_SET_EL2		0
#define ENDIAN_CLEAR_EL2	SCTLR_ELx_EE
#endif

/* SCTLR_EL2 value used for the hyp-stub */
#define SCTLR_EL2_SET	(SCTLR_ELx_IESB   | ENDIAN_SET_EL2   | SCTLR_EL2_RES1)
#define SCTLR_EL2_CLEAR	(SCTLR_ELx_M      | SCTLR_ELx_A    | SCTLR_ELx_C   | \
			 SCTLR_ELx_SA     | SCTLR_ELx_I    | SCTLR_ELx_WXN | \
			 SCTLR_ELx_DSSBS | ENDIAN_CLEAR_EL2 | SCTLR_EL2_RES0)

#if (SCTLR_EL2_SET ^ SCTLR_EL2_CLEAR) != 0xffffffffffffffff
#error "Inconsistent SCTLR_EL2 set/clear bits"
#endif

/* SCTLR_EL1 specific flags. */
#define SCTLR_EL1_UCI		(1 << 26)
#define SCTLR_EL1_E0E		(1 << 24)
#define SCTLR_EL1_SPAN		(1 << 23)
#define SCTLR_EL1_NTWE		(1 << 18)
#define SCTLR_EL1_NTWI		(1 << 16)
#define SCTLR_EL1_UCT		(1 << 15)
#define SCTLR_EL1_DZE		(1 << 14)
#define SCTLR_EL1_UMA		(1 << 9)
#define SCTLR_EL1_SED		(1 << 8)
#define SCTLR_EL1_ITD		(1 << 7)
#define SCTLR_EL1_CP15BEN	(1 << 5)
#define SCTLR_EL1_SA0		(1 << 4)

#define SCTLR_EL1_RES1	((1 << 11) | (1 << 20) | (1 << 22) | (1 << 28) | \
			 (1 << 29))
#define SCTLR_EL1_RES0  ((1 << 6)  | (1 << 10) | (1 << 13) | (1 << 17) | \
			 (1 << 27) | (1 << 30) | (1 << 31) | \
			 (0xffffefffUL << 32))

#ifdef CONFIG_CPU_BIG_ENDIAN
#define ENDIAN_SET_EL1		(SCTLR_EL1_E0E | SCTLR_ELx_EE)
#define ENDIAN_CLEAR_EL1	0
#else
#define ENDIAN_SET_EL1		0
#define ENDIAN_CLEAR_EL1	(SCTLR_EL1_E0E | SCTLR_ELx_EE)
#endif

#define SCTLR_EL1_SET	(SCTLR_ELx_M    | SCTLR_ELx_C    | SCTLR_ELx_SA   |\
			 SCTLR_EL1_SA0  | SCTLR_EL1_SED  | SCTLR_ELx_I    |\
			 SCTLR_EL1_DZE  | SCTLR_EL1_UCT                   |\
			 SCTLR_EL1_NTWE | SCTLR_ELx_IESB | SCTLR_EL1_SPAN |\
			 ENDIAN_SET_EL1 | SCTLR_EL1_UCI  | SCTLR_EL1_RES1)
#define SCTLR_EL1_CLEAR	(SCTLR_ELx_A   | SCTLR_EL1_CP15BEN | SCTLR_EL1_ITD    |\
			 SCTLR_EL1_UMA | SCTLR_ELx_WXN     | ENDIAN_CLEAR_EL1 |\
			 SCTLR_ELx_DSSBS | SCTLR_EL1_NTWI  | SCTLR_EL1_RES0)

#if (SCTLR_EL1_SET ^ SCTLR_EL1_CLEAR) != 0xffffffffffffffff
#error "Inconsistent SCTLR_EL1 set/clear bits"
#endif

/* id_aa64isar0 */
#define ID_AA64ISAR0_TS_SHIFT		52
#define ID_AA64ISAR0_FHM_SHIFT		48
#define ID_AA64ISAR0_DP_SHIFT		44
#define ID_AA64ISAR0_SM4_SHIFT		40
#define ID_AA64ISAR0_SM3_SHIFT		36
#define ID_AA64ISAR0_SHA3_SHIFT		32
#define ID_AA64ISAR0_RDM_SHIFT		28
#define ID_AA64ISAR0_ATOMICS_SHIFT	20
#define ID_AA64ISAR0_CRC32_SHIFT	16
#define ID_AA64ISAR0_SHA2_SHIFT		12
#define ID_AA64ISAR0_SHA1_SHIFT		8
#define ID_AA64ISAR0_AES_SHIFT		4

/* id_aa64isar1 */
#define ID_AA64ISAR1_LRCPC_SHIFT	20
#define ID_AA64ISAR1_FCMA_SHIFT		16
#define ID_AA64ISAR1_JSCVT_SHIFT	12
#define ID_AA64ISAR1_DPB_SHIFT		0

/* id_aa64pfr0 */
#define ID_AA64PFR0_CSV3_SHIFT		60
#define ID_AA64PFR0_CSV2_SHIFT		56
#define ID_AA64PFR0_DIT_SHIFT		48
#define ID_AA64PFR0_SVE_SHIFT		32
#define ID_AA64PFR0_RAS_SHIFT		28
#define ID_AA64PFR0_GIC_SHIFT		24
#define ID_AA64PFR0_ASIMD_SHIFT		20
#define ID_AA64PFR0_FP_SHIFT		16
#define ID_AA64PFR0_EL3_SHIFT		12
#define ID_AA64PFR0_EL2_SHIFT		8
#define ID_AA64PFR0_EL1_SHIFT		4
#define ID_AA64PFR0_EL0_SHIFT		0

#define ID_AA64PFR0_SVE			0x1
#define ID_AA64PFR0_RAS_V1		0x1
#define ID_AA64PFR0_FP_NI		0xf
#define ID_AA64PFR0_FP_SUPPORTED	0x0
#define ID_AA64PFR0_ASIMD_NI		0xf
#define ID_AA64PFR0_ASIMD_SUPPORTED	0x0
#define ID_AA64PFR0_EL1_64BIT_ONLY	0x1
#define ID_AA64PFR0_EL0_64BIT_ONLY	0x1
#define ID_AA64PFR0_EL0_32BIT_64BIT	0x2

/* id_aa64pfr1 */
#define ID_AA64PFR1_SSBS_SHIFT		4

#define ID_AA64PFR1_SSBS_PSTATE_NI	0
#define ID_AA64PFR1_SSBS_PSTATE_ONLY	1
#define ID_AA64PFR1_SSBS_PSTATE_INSNS	2

/* id_aa64mmfr0 */
#define ID_AA64MMFR0_TGRAN4_SHIFT	28
#define ID_AA64MMFR0_TGRAN64_SHIFT	24
#define ID_AA64MMFR0_TGRAN16_SHIFT	20
#define ID_AA64MMFR0_BIGENDEL0_SHIFT	16
#define ID_AA64MMFR0_SNSMEM_SHIFT	12
#define ID_AA64MMFR0_BIGENDEL_SHIFT	8
#define ID_AA64MMFR0_ASID_SHIFT		4
#define ID_AA64MMFR0_PARANGE_SHIFT	0

#define ID_AA64MMFR0_TGRAN4_NI		0xf
#define ID_AA64MMFR0_TGRAN4_SUPPORTED	0x0
#define ID_AA64MMFR0_TGRAN64_NI		0xf
#define ID_AA64MMFR0_TGRAN64_SUPPORTED	0x0
#define ID_AA64MMFR0_TGRAN16_NI		0x0
#define ID_AA64MMFR0_TGRAN16_SUPPORTED	0x1
#define ID_AA64MMFR0_PARANGE_48		0x5
#define ID_AA64MMFR0_PARANGE_52		0x6

#ifdef CONFIG_ARM64_PA_BITS_52
#define ID_AA64MMFR0_PARANGE_MAX	ID_AA64MMFR0_PARANGE_52
#else
#define ID_AA64MMFR0_PARANGE_MAX	ID_AA64MMFR0_PARANGE_48
#endif

/* id_aa64mmfr1 */
#define ID_AA64MMFR1_PAN_SHIFT		20
#define ID_AA64MMFR1_LOR_SHIFT		16
#define ID_AA64MMFR1_HPD_SHIFT		12
#define ID_AA64MMFR1_VHE_SHIFT		8
#define ID_AA64MMFR1_VMIDBITS_SHIFT	4
#define ID_AA64MMFR1_HADBS_SHIFT	0

#define ID_AA64MMFR1_VMIDBITS_8		0
#define ID_AA64MMFR1_VMIDBITS_16	2

/* id_aa64mmfr2 */
#define ID_AA64MMFR2_FWB_SHIFT		40
#define ID_AA64MMFR2_AT_SHIFT		32
#define ID_AA64MMFR2_LVA_SHIFT		16
#define ID_AA64MMFR2_IESB_SHIFT		12
#define ID_AA64MMFR2_LSM_SHIFT		8
#define ID_AA64MMFR2_UAO_SHIFT		4
#define ID_AA64MMFR2_CNP_SHIFT		0

/* id_aa64dfr0 */
#define ID_AA64DFR0_PMSVER_SHIFT	32
#define ID_AA64DFR0_CTX_CMPS_SHIFT	28
#define ID_AA64DFR0_WRPS_SHIFT		20
#define ID_AA64DFR0_BRPS_SHIFT		12
#define ID_AA64DFR0_PMUVER_SHIFT	8
#define ID_AA64DFR0_TRACEVER_SHIFT	4
#define ID_AA64DFR0_DEBUGVER_SHIFT	0

#define ID_ISAR5_RDM_SHIFT		24
#define ID_ISAR5_CRC32_SHIFT		16
#define ID_ISAR5_SHA2_SHIFT		12
#define ID_ISAR5_SHA1_SHIFT		8
#define ID_ISAR5_AES_SHIFT		4
#define ID_ISAR5_SEVL_SHIFT		0

#define MVFR0_FPROUND_SHIFT		28
#define MVFR0_FPSHVEC_SHIFT		24
#define MVFR0_FPSQRT_SHIFT		20
#define MVFR0_FPDIVIDE_SHIFT		16
#define MVFR0_FPTRAP_SHIFT		12
#define MVFR0_FPDP_SHIFT		8
#define MVFR0_FPSP_SHIFT		4
#define MVFR0_SIMD_SHIFT		0

#define MVFR1_SIMDFMAC_SHIFT		28
#define MVFR1_FPHP_SHIFT		24
#define MVFR1_SIMDHP_SHIFT		20
#define MVFR1_SIMDSP_SHIFT		16
#define MVFR1_SIMDINT_SHIFT		12
#define MVFR1_SIMDLS_SHIFT		8
#define MVFR1_FPDNAN_SHIFT		4
#define MVFR1_FPFTZ_SHIFT		0


#define ID_AA64MMFR0_TGRAN4_SHIFT	28
#define ID_AA64MMFR0_TGRAN64_SHIFT	24
#define ID_AA64MMFR0_TGRAN16_SHIFT	20

#define ID_AA64MMFR0_TGRAN4_NI		0xf
#define ID_AA64MMFR0_TGRAN4_SUPPORTED	0x0
#define ID_AA64MMFR0_TGRAN64_NI		0xf
#define ID_AA64MMFR0_TGRAN64_SUPPORTED	0x0
#define ID_AA64MMFR0_TGRAN16_NI		0x0
#define ID_AA64MMFR0_TGRAN16_SUPPORTED	0x1

#if defined(CONFIG_ARM64_4K_PAGES)
#define ID_AA64MMFR0_TGRAN_SHIFT	ID_AA64MMFR0_TGRAN4_SHIFT
#define ID_AA64MMFR0_TGRAN_SUPPORTED	ID_AA64MMFR0_TGRAN4_SUPPORTED
#elif defined(CONFIG_ARM64_16K_PAGES)
#define ID_AA64MMFR0_TGRAN_SHIFT	ID_AA64MMFR0_TGRAN16_SHIFT
#define ID_AA64MMFR0_TGRAN_SUPPORTED	ID_AA64MMFR0_TGRAN16_SUPPORTED
#elif defined(CONFIG_ARM64_64K_PAGES)
#define ID_AA64MMFR0_TGRAN_SHIFT	ID_AA64MMFR0_TGRAN64_SHIFT
#define ID_AA64MMFR0_TGRAN_SUPPORTED	ID_AA64MMFR0_TGRAN64_SUPPORTED
#endif


/*
 * The ZCR_ELx_LEN_* definitions intentionally include bits [8:4] which
 * are reserved by the SVE architecture for future expansion of the LEN
 * field, with compatible semantics.
 */
#define ZCR_ELx_LEN_SHIFT	0
#define ZCR_ELx_LEN_SIZE	9
#define ZCR_ELx_LEN_MASK	0x1ff

#define CPACR_EL1_ZEN_EL1EN	(1 << 16) /* enable EL1 access */
#define CPACR_EL1_ZEN_EL0EN	(1 << 17) /* enable EL0 access, if EL1EN set */
#define CPACR_EL1_ZEN		(CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN)


/* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
#define SYS_MPIDR_SAFE_VAL		(1UL << 31)

#ifdef __ASSEMBLY__

	.irp	num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30
	.equ	.L__reg_num_x\num, \num
	.endr
	.equ	.L__reg_num_xzr, 31

	.macro	mrs_s, rt, sreg
	 __emit_inst(0xd5200000|(\sreg)|(.L__reg_num_\rt))
	.endm

	.macro	msr_s, sreg, rt
	__emit_inst(0xd5000000|(\sreg)|(.L__reg_num_\rt))
	.endm

#else

#include <linux/build_bug.h>
#include <linux/types.h>

asm(
"	.irp	num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30\n"
"	.equ	.L__reg_num_x\\num, \\num\n"
"	.endr\n"
"	.equ	.L__reg_num_xzr, 31\n"
"\n"
"	.macro	mrs_s, rt, sreg\n"
	__emit_inst(0xd5200000|(\\sreg)|(.L__reg_num_\\rt))
"	.endm\n"
"\n"
"	.macro	msr_s, sreg, rt\n"
	__emit_inst(0xd5000000|(\\sreg)|(.L__reg_num_\\rt))
"	.endm\n"
);

/*
 * Unlike read_cpuid, calls to read_sysreg are never expected to be
 * optimized away or replaced with synthetic values.
 */
#define read_sysreg(r) ({					\
	u64 __val;						\
	asm volatile("mrs %0, " __stringify(r) : "=r" (__val));	\
	__val;							\
})

/*
 * The "Z" constraint normally means a zero immediate, but when combined with
 * the "%x0" template means XZR.
 */
#define write_sysreg(v, r) do {					\
	u64 __val = (u64)(v);					\
	asm volatile("msr " __stringify(r) ", %x0"		\
		     : : "rZ" (__val));				\
} while (0)

/*
 * For registers without architectural names, or simply unsupported by
 * GAS.
 */
#define read_sysreg_s(r) ({						\
	u64 __val;							\
	asm volatile("mrs_s %0, " __stringify(r) : "=r" (__val));	\
	__val;								\
})

#define write_sysreg_s(v, r) do {					\
	u64 __val = (u64)(v);						\
	asm volatile("msr_s " __stringify(r) ", %x0" : : "rZ" (__val));	\
} while (0)

/*
 * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the
 * set mask are set. Other bits are left as-is.
 */
#define sysreg_clear_set(sysreg, clear, set) do {			\
	u64 __scs_val = read_sysreg(sysreg);				\
	u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set);		\
	if (__scs_new != __scs_val)					\
		write_sysreg(__scs_new, sysreg);			\
} while (0)

#endif

#endif	/* __ASM_SYSREG_H */