summaryrefslogtreecommitdiff
path: root/arch/arm64/include/asm/insn.h
blob: f71b84d9f2941b0d9527ad9a8a25d72adc515676 (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
/*
 * Copyright (C) 2013 Huawei Ltd.
 * Author: Jiang Liu <liuj97@gmail.com>
 *
 * Copyright (C) 2014 Zi Shen Lim <zlim.lnx@gmail.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_INSN_H
#define	__ASM_INSN_H
#include <linux/types.h>

/* A64 instructions are always 32 bits. */
#define	AARCH64_INSN_SIZE		4

#ifndef __ASSEMBLY__
/*
 * ARM Architecture Reference Manual for ARMv8 Profile-A, Issue A.a
 * Section C3.1 "A64 instruction index by encoding":
 * AArch64 main encoding table
 *  Bit position
 *   28 27 26 25	Encoding Group
 *   0  0  -  -		Unallocated
 *   1  0  0  -		Data processing, immediate
 *   1  0  1  -		Branch, exception generation and system instructions
 *   -  1  -  0		Loads and stores
 *   -  1  0  1		Data processing - register
 *   0  1  1  1		Data processing - SIMD and floating point
 *   1  1  1  1		Data processing - SIMD and floating point
 * "-" means "don't care"
 */
enum aarch64_insn_encoding_class {
	AARCH64_INSN_CLS_UNKNOWN,	/* UNALLOCATED */
	AARCH64_INSN_CLS_DP_IMM,	/* Data processing - immediate */
	AARCH64_INSN_CLS_DP_REG,	/* Data processing - register */
	AARCH64_INSN_CLS_DP_FPSIMD,	/* Data processing - SIMD and FP */
	AARCH64_INSN_CLS_LDST,		/* Loads and stores */
	AARCH64_INSN_CLS_BR_SYS,	/* Branch, exception generation and
					 * system instructions */
};

enum aarch64_insn_hint_op {
	AARCH64_INSN_HINT_NOP	= 0x0 << 5,
	AARCH64_INSN_HINT_YIELD	= 0x1 << 5,
	AARCH64_INSN_HINT_WFE	= 0x2 << 5,
	AARCH64_INSN_HINT_WFI	= 0x3 << 5,
	AARCH64_INSN_HINT_SEV	= 0x4 << 5,
	AARCH64_INSN_HINT_SEVL	= 0x5 << 5,
};

enum aarch64_insn_imm_type {
	AARCH64_INSN_IMM_ADR,
	AARCH64_INSN_IMM_26,
	AARCH64_INSN_IMM_19,
	AARCH64_INSN_IMM_16,
	AARCH64_INSN_IMM_14,
	AARCH64_INSN_IMM_12,
	AARCH64_INSN_IMM_9,
	AARCH64_INSN_IMM_7,
	AARCH64_INSN_IMM_6,
	AARCH64_INSN_IMM_S,
	AARCH64_INSN_IMM_R,
	AARCH64_INSN_IMM_N,
	AARCH64_INSN_IMM_MAX
};

enum aarch64_insn_register_type {
	AARCH64_INSN_REGTYPE_RT,
	AARCH64_INSN_REGTYPE_RN,
	AARCH64_INSN_REGTYPE_RT2,
	AARCH64_INSN_REGTYPE_RM,
	AARCH64_INSN_REGTYPE_RD,
	AARCH64_INSN_REGTYPE_RA,
	AARCH64_INSN_REGTYPE_RS,
};

enum aarch64_insn_register {
	AARCH64_INSN_REG_0  = 0,
	AARCH64_INSN_REG_1  = 1,
	AARCH64_INSN_REG_2  = 2,
	AARCH64_INSN_REG_3  = 3,
	AARCH64_INSN_REG_4  = 4,
	AARCH64_INSN_REG_5  = 5,
	AARCH64_INSN_REG_6  = 6,
	AARCH64_INSN_REG_7  = 7,
	AARCH64_INSN_REG_8  = 8,
	AARCH64_INSN_REG_9  = 9,
	AARCH64_INSN_REG_10 = 10,
	AARCH64_INSN_REG_11 = 11,
	AARCH64_INSN_REG_12 = 12,
	AARCH64_INSN_REG_13 = 13,
	AARCH64_INSN_REG_14 = 14,
	AARCH64_INSN_REG_15 = 15,
	AARCH64_INSN_REG_16 = 16,
	AARCH64_INSN_REG_17 = 17,
	AARCH64_INSN_REG_18 = 18,
	AARCH64_INSN_REG_19 = 19,
	AARCH64_INSN_REG_20 = 20,
	AARCH64_INSN_REG_21 = 21,
	AARCH64_INSN_REG_22 = 22,
	AARCH64_INSN_REG_23 = 23,
	AARCH64_INSN_REG_24 = 24,
	AARCH64_INSN_REG_25 = 25,
	AARCH64_INSN_REG_26 = 26,
	AARCH64_INSN_REG_27 = 27,
	AARCH64_INSN_REG_28 = 28,
	AARCH64_INSN_REG_29 = 29,
	AARCH64_INSN_REG_FP = 29, /* Frame pointer */
	AARCH64_INSN_REG_30 = 30,
	AARCH64_INSN_REG_LR = 30, /* Link register */
	AARCH64_INSN_REG_ZR = 31, /* Zero: as source register */
	AARCH64_INSN_REG_SP = 31  /* Stack pointer: as load/store base reg */
};

enum aarch64_insn_special_register {
	AARCH64_INSN_SPCLREG_SPSR_EL1	= 0xC200,
	AARCH64_INSN_SPCLREG_ELR_EL1	= 0xC201,
	AARCH64_INSN_SPCLREG_SP_EL0	= 0xC208,
	AARCH64_INSN_SPCLREG_SPSEL	= 0xC210,
	AARCH64_INSN_SPCLREG_CURRENTEL	= 0xC212,
	AARCH64_INSN_SPCLREG_DAIF	= 0xDA11,
	AARCH64_INSN_SPCLREG_NZCV	= 0xDA10,
	AARCH64_INSN_SPCLREG_FPCR	= 0xDA20,
	AARCH64_INSN_SPCLREG_DSPSR_EL0	= 0xDA28,
	AARCH64_INSN_SPCLREG_DLR_EL0	= 0xDA29,
	AARCH64_INSN_SPCLREG_SPSR_EL2	= 0xE200,
	AARCH64_INSN_SPCLREG_ELR_EL2	= 0xE201,
	AARCH64_INSN_SPCLREG_SP_EL1	= 0xE208,
	AARCH64_INSN_SPCLREG_SPSR_INQ	= 0xE218,
	AARCH64_INSN_SPCLREG_SPSR_ABT	= 0xE219,
	AARCH64_INSN_SPCLREG_SPSR_UND	= 0xE21A,
	AARCH64_INSN_SPCLREG_SPSR_FIQ	= 0xE21B,
	AARCH64_INSN_SPCLREG_SPSR_EL3	= 0xF200,
	AARCH64_INSN_SPCLREG_ELR_EL3	= 0xF201,
	AARCH64_INSN_SPCLREG_SP_EL2	= 0xF210
};

enum aarch64_insn_variant {
	AARCH64_INSN_VARIANT_32BIT,
	AARCH64_INSN_VARIANT_64BIT
};

enum aarch64_insn_condition {
	AARCH64_INSN_COND_EQ = 0x0, /* == */
	AARCH64_INSN_COND_NE = 0x1, /* != */
	AARCH64_INSN_COND_CS = 0x2, /* unsigned >= */
	AARCH64_INSN_COND_CC = 0x3, /* unsigned < */
	AARCH64_INSN_COND_MI = 0x4, /* < 0 */
	AARCH64_INSN_COND_PL = 0x5, /* >= 0 */
	AARCH64_INSN_COND_VS = 0x6, /* overflow */
	AARCH64_INSN_COND_VC = 0x7, /* no overflow */
	AARCH64_INSN_COND_HI = 0x8, /* unsigned > */
	AARCH64_INSN_COND_LS = 0x9, /* unsigned <= */
	AARCH64_INSN_COND_GE = 0xa, /* signed >= */
	AARCH64_INSN_COND_LT = 0xb, /* signed < */
	AARCH64_INSN_COND_GT = 0xc, /* signed > */
	AARCH64_INSN_COND_LE = 0xd, /* signed <= */
	AARCH64_INSN_COND_AL = 0xe, /* always */
};

enum aarch64_insn_branch_type {
	AARCH64_INSN_BRANCH_NOLINK,
	AARCH64_INSN_BRANCH_LINK,
	AARCH64_INSN_BRANCH_RETURN,
	AARCH64_INSN_BRANCH_COMP_ZERO,
	AARCH64_INSN_BRANCH_COMP_NONZERO,
};

enum aarch64_insn_size_type {
	AARCH64_INSN_SIZE_8,
	AARCH64_INSN_SIZE_16,
	AARCH64_INSN_SIZE_32,
	AARCH64_INSN_SIZE_64,
};

enum aarch64_insn_ldst_type {
	AARCH64_INSN_LDST_LOAD_REG_OFFSET,
	AARCH64_INSN_LDST_STORE_REG_OFFSET,
	AARCH64_INSN_LDST_LOAD_PAIR_PRE_INDEX,
	AARCH64_INSN_LDST_STORE_PAIR_PRE_INDEX,
	AARCH64_INSN_LDST_LOAD_PAIR_POST_INDEX,
	AARCH64_INSN_LDST_STORE_PAIR_POST_INDEX,
	AARCH64_INSN_LDST_LOAD_EX,
	AARCH64_INSN_LDST_STORE_EX,
};

enum aarch64_insn_adsb_type {
	AARCH64_INSN_ADSB_ADD,
	AARCH64_INSN_ADSB_SUB,
	AARCH64_INSN_ADSB_ADD_SETFLAGS,
	AARCH64_INSN_ADSB_SUB_SETFLAGS
};

enum aarch64_insn_movewide_type {
	AARCH64_INSN_MOVEWIDE_ZERO,
	AARCH64_INSN_MOVEWIDE_KEEP,
	AARCH64_INSN_MOVEWIDE_INVERSE
};

enum aarch64_insn_bitfield_type {
	AARCH64_INSN_BITFIELD_MOVE,
	AARCH64_INSN_BITFIELD_MOVE_UNSIGNED,
	AARCH64_INSN_BITFIELD_MOVE_SIGNED
};

enum aarch64_insn_data1_type {
	AARCH64_INSN_DATA1_REVERSE_16,
	AARCH64_INSN_DATA1_REVERSE_32,
	AARCH64_INSN_DATA1_REVERSE_64,
};

enum aarch64_insn_data2_type {
	AARCH64_INSN_DATA2_UDIV,
	AARCH64_INSN_DATA2_SDIV,
	AARCH64_INSN_DATA2_LSLV,
	AARCH64_INSN_DATA2_LSRV,
	AARCH64_INSN_DATA2_ASRV,
	AARCH64_INSN_DATA2_RORV,
};

enum aarch64_insn_data3_type {
	AARCH64_INSN_DATA3_MADD,
	AARCH64_INSN_DATA3_MSUB,
};

enum aarch64_insn_logic_type {
	AARCH64_INSN_LOGIC_AND,
	AARCH64_INSN_LOGIC_BIC,
	AARCH64_INSN_LOGIC_ORR,
	AARCH64_INSN_LOGIC_ORN,
	AARCH64_INSN_LOGIC_EOR,
	AARCH64_INSN_LOGIC_EON,
	AARCH64_INSN_LOGIC_AND_SETFLAGS,
	AARCH64_INSN_LOGIC_BIC_SETFLAGS
};

enum aarch64_insn_prfm_type {
	AARCH64_INSN_PRFM_TYPE_PLD,
	AARCH64_INSN_PRFM_TYPE_PLI,
	AARCH64_INSN_PRFM_TYPE_PST,
};

enum aarch64_insn_prfm_target {
	AARCH64_INSN_PRFM_TARGET_L1,
	AARCH64_INSN_PRFM_TARGET_L2,
	AARCH64_INSN_PRFM_TARGET_L3,
};

enum aarch64_insn_prfm_policy {
	AARCH64_INSN_PRFM_POLICY_KEEP,
	AARCH64_INSN_PRFM_POLICY_STRM,
};

enum aarch64_insn_adr_type {
	AARCH64_INSN_ADR_TYPE_ADRP,
	AARCH64_INSN_ADR_TYPE_ADR,
};

#define	__AARCH64_INSN_FUNCS(abbr, mask, val)	\
static __always_inline bool aarch64_insn_is_##abbr(u32 code) \
{ return (code & (mask)) == (val); } \
static __always_inline u32 aarch64_insn_get_##abbr##_value(void) \
{ return (val); }

__AARCH64_INSN_FUNCS(adr,	0x9F000000, 0x10000000)
__AARCH64_INSN_FUNCS(adrp,	0x9F000000, 0x90000000)
__AARCH64_INSN_FUNCS(prfm,	0x3FC00000, 0x39800000)
__AARCH64_INSN_FUNCS(prfm_lit,	0xFF000000, 0xD8000000)
__AARCH64_INSN_FUNCS(str_reg,	0x3FE0EC00, 0x38206800)
__AARCH64_INSN_FUNCS(ldadd,	0x3F20FC00, 0x38200000)
__AARCH64_INSN_FUNCS(ldr_reg,	0x3FE0EC00, 0x38606800)
__AARCH64_INSN_FUNCS(ldr_lit,	0xBF000000, 0x18000000)
__AARCH64_INSN_FUNCS(ldrsw_lit,	0xFF000000, 0x98000000)
__AARCH64_INSN_FUNCS(exclusive,	0x3F800000, 0x08000000)
__AARCH64_INSN_FUNCS(load_ex,	0x3F400000, 0x08400000)
__AARCH64_INSN_FUNCS(store_ex,	0x3F400000, 0x08000000)
__AARCH64_INSN_FUNCS(stp_post,	0x7FC00000, 0x28800000)
__AARCH64_INSN_FUNCS(ldp_post,	0x7FC00000, 0x28C00000)
__AARCH64_INSN_FUNCS(stp_pre,	0x7FC00000, 0x29800000)
__AARCH64_INSN_FUNCS(ldp_pre,	0x7FC00000, 0x29C00000)
__AARCH64_INSN_FUNCS(add_imm,	0x7F000000, 0x11000000)
__AARCH64_INSN_FUNCS(adds_imm,	0x7F000000, 0x31000000)
__AARCH64_INSN_FUNCS(sub_imm,	0x7F000000, 0x51000000)
__AARCH64_INSN_FUNCS(subs_imm,	0x7F000000, 0x71000000)
__AARCH64_INSN_FUNCS(movn,	0x7F800000, 0x12800000)
__AARCH64_INSN_FUNCS(sbfm,	0x7F800000, 0x13000000)
__AARCH64_INSN_FUNCS(bfm,	0x7F800000, 0x33000000)
__AARCH64_INSN_FUNCS(movz,	0x7F800000, 0x52800000)
__AARCH64_INSN_FUNCS(ubfm,	0x7F800000, 0x53000000)
__AARCH64_INSN_FUNCS(movk,	0x7F800000, 0x72800000)
__AARCH64_INSN_FUNCS(add,	0x7F200000, 0x0B000000)
__AARCH64_INSN_FUNCS(adds,	0x7F200000, 0x2B000000)
__AARCH64_INSN_FUNCS(sub,	0x7F200000, 0x4B000000)
__AARCH64_INSN_FUNCS(subs,	0x7F200000, 0x6B000000)
__AARCH64_INSN_FUNCS(madd,	0x7FE08000, 0x1B000000)
__AARCH64_INSN_FUNCS(msub,	0x7FE08000, 0x1B008000)
__AARCH64_INSN_FUNCS(udiv,	0x7FE0FC00, 0x1AC00800)
__AARCH64_INSN_FUNCS(sdiv,	0x7FE0FC00, 0x1AC00C00)
__AARCH64_INSN_FUNCS(lslv,	0x7FE0FC00, 0x1AC02000)
__AARCH64_INSN_FUNCS(lsrv,	0x7FE0FC00, 0x1AC02400)
__AARCH64_INSN_FUNCS(asrv,	0x7FE0FC00, 0x1AC02800)
__AARCH64_INSN_FUNCS(rorv,	0x7FE0FC00, 0x1AC02C00)
__AARCH64_INSN_FUNCS(rev16,	0x7FFFFC00, 0x5AC00400)
__AARCH64_INSN_FUNCS(rev32,	0x7FFFFC00, 0x5AC00800)
__AARCH64_INSN_FUNCS(rev64,	0x7FFFFC00, 0x5AC00C00)
__AARCH64_INSN_FUNCS(and,	0x7F200000, 0x0A000000)
__AARCH64_INSN_FUNCS(bic,	0x7F200000, 0x0A200000)
__AARCH64_INSN_FUNCS(orr,	0x7F200000, 0x2A000000)
__AARCH64_INSN_FUNCS(orn,	0x7F200000, 0x2A200000)
__AARCH64_INSN_FUNCS(eor,	0x7F200000, 0x4A000000)
__AARCH64_INSN_FUNCS(eon,	0x7F200000, 0x4A200000)
__AARCH64_INSN_FUNCS(ands,	0x7F200000, 0x6A000000)
__AARCH64_INSN_FUNCS(bics,	0x7F200000, 0x6A200000)
__AARCH64_INSN_FUNCS(and_imm,	0x7F800000, 0x12000000)
__AARCH64_INSN_FUNCS(orr_imm,	0x7F800000, 0x32000000)
__AARCH64_INSN_FUNCS(eor_imm,	0x7F800000, 0x52000000)
__AARCH64_INSN_FUNCS(ands_imm,	0x7F800000, 0x72000000)
__AARCH64_INSN_FUNCS(extr,	0x7FA00000, 0x13800000)
__AARCH64_INSN_FUNCS(b,		0xFC000000, 0x14000000)
__AARCH64_INSN_FUNCS(bl,	0xFC000000, 0x94000000)
__AARCH64_INSN_FUNCS(cbz,	0x7F000000, 0x34000000)
__AARCH64_INSN_FUNCS(cbnz,	0x7F000000, 0x35000000)
__AARCH64_INSN_FUNCS(tbz,	0x7F000000, 0x36000000)
__AARCH64_INSN_FUNCS(tbnz,	0x7F000000, 0x37000000)
__AARCH64_INSN_FUNCS(bcond,	0xFF000010, 0x54000000)
__AARCH64_INSN_FUNCS(svc,	0xFFE0001F, 0xD4000001)
__AARCH64_INSN_FUNCS(hvc,	0xFFE0001F, 0xD4000002)
__AARCH64_INSN_FUNCS(smc,	0xFFE0001F, 0xD4000003)
__AARCH64_INSN_FUNCS(brk,	0xFFE0001F, 0xD4200000)
__AARCH64_INSN_FUNCS(exception,	0xFF000000, 0xD4000000)
__AARCH64_INSN_FUNCS(hint,	0xFFFFF01F, 0xD503201F)
__AARCH64_INSN_FUNCS(br,	0xFFFFFC1F, 0xD61F0000)
__AARCH64_INSN_FUNCS(blr,	0xFFFFFC1F, 0xD63F0000)
__AARCH64_INSN_FUNCS(ret,	0xFFFFFC1F, 0xD65F0000)
__AARCH64_INSN_FUNCS(eret,	0xFFFFFFFF, 0xD69F03E0)
__AARCH64_INSN_FUNCS(mrs,	0xFFF00000, 0xD5300000)
__AARCH64_INSN_FUNCS(msr_imm,	0xFFF8F01F, 0xD500401F)
__AARCH64_INSN_FUNCS(msr_reg,	0xFFF00000, 0xD5100000)

#undef	__AARCH64_INSN_FUNCS

bool aarch64_insn_is_nop(u32 insn);
bool aarch64_insn_is_branch_imm(u32 insn);

static inline bool aarch64_insn_is_adr_adrp(u32 insn)
{
	return aarch64_insn_is_adr(insn) || aarch64_insn_is_adrp(insn);
}

int aarch64_insn_read(void *addr, u32 *insnp);
int aarch64_insn_write(void *addr, u32 insn);
enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn);
bool aarch64_insn_uses_literal(u32 insn);
bool aarch64_insn_is_branch(u32 insn);
u64 aarch64_insn_decode_immediate(enum aarch64_insn_imm_type type, u32 insn);
u32 aarch64_insn_encode_immediate(enum aarch64_insn_imm_type type,
				  u32 insn, u64 imm);
u32 aarch64_insn_decode_register(enum aarch64_insn_register_type type,
					 u32 insn);
u32 aarch64_insn_gen_branch_imm(unsigned long pc, unsigned long addr,
				enum aarch64_insn_branch_type type);
u32 aarch64_insn_gen_comp_branch_imm(unsigned long pc, unsigned long addr,
				     enum aarch64_insn_register reg,
				     enum aarch64_insn_variant variant,
				     enum aarch64_insn_branch_type type);
u32 aarch64_insn_gen_cond_branch_imm(unsigned long pc, unsigned long addr,
				     enum aarch64_insn_condition cond);
u32 aarch64_insn_gen_hint(enum aarch64_insn_hint_op op);
u32 aarch64_insn_gen_nop(void);
u32 aarch64_insn_gen_branch_reg(enum aarch64_insn_register reg,
				enum aarch64_insn_branch_type type);
u32 aarch64_insn_gen_load_store_reg(enum aarch64_insn_register reg,
				    enum aarch64_insn_register base,
				    enum aarch64_insn_register offset,
				    enum aarch64_insn_size_type size,
				    enum aarch64_insn_ldst_type type);
u32 aarch64_insn_gen_load_store_pair(enum aarch64_insn_register reg1,
				     enum aarch64_insn_register reg2,
				     enum aarch64_insn_register base,
				     int offset,
				     enum aarch64_insn_variant variant,
				     enum aarch64_insn_ldst_type type);
u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg,
				   enum aarch64_insn_register base,
				   enum aarch64_insn_register state,
				   enum aarch64_insn_size_type size,
				   enum aarch64_insn_ldst_type type);
u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result,
			   enum aarch64_insn_register address,
			   enum aarch64_insn_register value,
			   enum aarch64_insn_size_type size);
u32 aarch64_insn_gen_stadd(enum aarch64_insn_register address,
			   enum aarch64_insn_register value,
			   enum aarch64_insn_size_type size);
u32 aarch64_insn_gen_add_sub_imm(enum aarch64_insn_register dst,
				 enum aarch64_insn_register src,
				 int imm, enum aarch64_insn_variant variant,
				 enum aarch64_insn_adsb_type type);
u32 aarch64_insn_gen_adr(unsigned long pc, unsigned long addr,
			 enum aarch64_insn_register reg,
			 enum aarch64_insn_adr_type type);
u32 aarch64_insn_gen_bitfield(enum aarch64_insn_register dst,
			      enum aarch64_insn_register src,
			      int immr, int imms,
			      enum aarch64_insn_variant variant,
			      enum aarch64_insn_bitfield_type type);
u32 aarch64_insn_gen_movewide(enum aarch64_insn_register dst,
			      int imm, int shift,
			      enum aarch64_insn_variant variant,
			      enum aarch64_insn_movewide_type type);
u32 aarch64_insn_gen_add_sub_shifted_reg(enum aarch64_insn_register dst,
					 enum aarch64_insn_register src,
					 enum aarch64_insn_register reg,
					 int shift,
					 enum aarch64_insn_variant variant,
					 enum aarch64_insn_adsb_type type);
u32 aarch64_insn_gen_data1(enum aarch64_insn_register dst,
			   enum aarch64_insn_register src,
			   enum aarch64_insn_variant variant,
			   enum aarch64_insn_data1_type type);
u32 aarch64_insn_gen_data2(enum aarch64_insn_register dst,
			   enum aarch64_insn_register src,
			   enum aarch64_insn_register reg,
			   enum aarch64_insn_variant variant,
			   enum aarch64_insn_data2_type type);
u32 aarch64_insn_gen_data3(enum aarch64_insn_register dst,
			   enum aarch64_insn_register src,
			   enum aarch64_insn_register reg1,
			   enum aarch64_insn_register reg2,
			   enum aarch64_insn_variant variant,
			   enum aarch64_insn_data3_type type);
u32 aarch64_insn_gen_logical_shifted_reg(enum aarch64_insn_register dst,
					 enum aarch64_insn_register src,
					 enum aarch64_insn_register reg,
					 int shift,
					 enum aarch64_insn_variant variant,
					 enum aarch64_insn_logic_type type);
u32 aarch64_insn_gen_logical_immediate(enum aarch64_insn_logic_type type,
				       enum aarch64_insn_variant variant,
				       enum aarch64_insn_register Rn,
				       enum aarch64_insn_register Rd,
				       u64 imm);
u32 aarch64_insn_gen_extr(enum aarch64_insn_variant variant,
			  enum aarch64_insn_register Rm,
			  enum aarch64_insn_register Rn,
			  enum aarch64_insn_register Rd,
			  u8 lsb);
u32 aarch64_insn_gen_prefetch(enum aarch64_insn_register base,
			      enum aarch64_insn_prfm_type type,
			      enum aarch64_insn_prfm_target target,
			      enum aarch64_insn_prfm_policy policy);
s32 aarch64_get_branch_offset(u32 insn);
u32 aarch64_set_branch_offset(u32 insn, s32 offset);

int aarch64_insn_patch_text_nosync(void *addr, u32 insn);
int aarch64_insn_patch_text(void *addrs[], u32 insns[], int cnt);

s32 aarch64_insn_adrp_get_offset(u32 insn);
u32 aarch64_insn_adrp_set_offset(u32 insn, s32 offset);

bool aarch32_insn_is_wide(u32 insn);

#define A32_RN_OFFSET	16
#define A32_RT_OFFSET	12
#define A32_RT2_OFFSET	 0

u32 aarch64_insn_extract_system_reg(u32 insn);
u32 aarch32_insn_extract_reg_num(u32 insn, int offset);
u32 aarch32_insn_mcr_extract_opc2(u32 insn);
u32 aarch32_insn_mcr_extract_crm(u32 insn);

typedef bool (pstate_check_t)(unsigned long);
extern pstate_check_t * const aarch32_opcode_cond_checks[16];
#endif /* __ASSEMBLY__ */

#endif	/* __ASM_INSN_H */