xref: /linux/arch/arm64/include/asm/insn.h (revision bd628c1bed7902ec1f24ba0fe70758949146abbe)
1 /*
2  * Copyright (C) 2013 Huawei Ltd.
3  * Author: Jiang Liu <liuj97@gmail.com>
4  *
5  * Copyright (C) 2014 Zi Shen Lim <zlim.lnx@gmail.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 #ifndef	__ASM_INSN_H
20 #define	__ASM_INSN_H
21 #include <linux/types.h>
22 
23 /* A64 instructions are always 32 bits. */
24 #define	AARCH64_INSN_SIZE		4
25 
26 #ifndef __ASSEMBLY__
27 /*
28  * ARM Architecture Reference Manual for ARMv8 Profile-A, Issue A.a
29  * Section C3.1 "A64 instruction index by encoding":
30  * AArch64 main encoding table
31  *  Bit position
32  *   28 27 26 25	Encoding Group
33  *   0  0  -  -		Unallocated
34  *   1  0  0  -		Data processing, immediate
35  *   1  0  1  -		Branch, exception generation and system instructions
36  *   -  1  -  0		Loads and stores
37  *   -  1  0  1		Data processing - register
38  *   0  1  1  1		Data processing - SIMD and floating point
39  *   1  1  1  1		Data processing - SIMD and floating point
40  * "-" means "don't care"
41  */
42 enum aarch64_insn_encoding_class {
43 	AARCH64_INSN_CLS_UNKNOWN,	/* UNALLOCATED */
44 	AARCH64_INSN_CLS_DP_IMM,	/* Data processing - immediate */
45 	AARCH64_INSN_CLS_DP_REG,	/* Data processing - register */
46 	AARCH64_INSN_CLS_DP_FPSIMD,	/* Data processing - SIMD and FP */
47 	AARCH64_INSN_CLS_LDST,		/* Loads and stores */
48 	AARCH64_INSN_CLS_BR_SYS,	/* Branch, exception generation and
49 					 * system instructions */
50 };
51 
52 enum aarch64_insn_hint_op {
53 	AARCH64_INSN_HINT_NOP	= 0x0 << 5,
54 	AARCH64_INSN_HINT_YIELD	= 0x1 << 5,
55 	AARCH64_INSN_HINT_WFE	= 0x2 << 5,
56 	AARCH64_INSN_HINT_WFI	= 0x3 << 5,
57 	AARCH64_INSN_HINT_SEV	= 0x4 << 5,
58 	AARCH64_INSN_HINT_SEVL	= 0x5 << 5,
59 };
60 
61 enum aarch64_insn_imm_type {
62 	AARCH64_INSN_IMM_ADR,
63 	AARCH64_INSN_IMM_26,
64 	AARCH64_INSN_IMM_19,
65 	AARCH64_INSN_IMM_16,
66 	AARCH64_INSN_IMM_14,
67 	AARCH64_INSN_IMM_12,
68 	AARCH64_INSN_IMM_9,
69 	AARCH64_INSN_IMM_7,
70 	AARCH64_INSN_IMM_6,
71 	AARCH64_INSN_IMM_S,
72 	AARCH64_INSN_IMM_R,
73 	AARCH64_INSN_IMM_N,
74 	AARCH64_INSN_IMM_MAX
75 };
76 
77 enum aarch64_insn_register_type {
78 	AARCH64_INSN_REGTYPE_RT,
79 	AARCH64_INSN_REGTYPE_RN,
80 	AARCH64_INSN_REGTYPE_RT2,
81 	AARCH64_INSN_REGTYPE_RM,
82 	AARCH64_INSN_REGTYPE_RD,
83 	AARCH64_INSN_REGTYPE_RA,
84 	AARCH64_INSN_REGTYPE_RS,
85 };
86 
87 enum aarch64_insn_register {
88 	AARCH64_INSN_REG_0  = 0,
89 	AARCH64_INSN_REG_1  = 1,
90 	AARCH64_INSN_REG_2  = 2,
91 	AARCH64_INSN_REG_3  = 3,
92 	AARCH64_INSN_REG_4  = 4,
93 	AARCH64_INSN_REG_5  = 5,
94 	AARCH64_INSN_REG_6  = 6,
95 	AARCH64_INSN_REG_7  = 7,
96 	AARCH64_INSN_REG_8  = 8,
97 	AARCH64_INSN_REG_9  = 9,
98 	AARCH64_INSN_REG_10 = 10,
99 	AARCH64_INSN_REG_11 = 11,
100 	AARCH64_INSN_REG_12 = 12,
101 	AARCH64_INSN_REG_13 = 13,
102 	AARCH64_INSN_REG_14 = 14,
103 	AARCH64_INSN_REG_15 = 15,
104 	AARCH64_INSN_REG_16 = 16,
105 	AARCH64_INSN_REG_17 = 17,
106 	AARCH64_INSN_REG_18 = 18,
107 	AARCH64_INSN_REG_19 = 19,
108 	AARCH64_INSN_REG_20 = 20,
109 	AARCH64_INSN_REG_21 = 21,
110 	AARCH64_INSN_REG_22 = 22,
111 	AARCH64_INSN_REG_23 = 23,
112 	AARCH64_INSN_REG_24 = 24,
113 	AARCH64_INSN_REG_25 = 25,
114 	AARCH64_INSN_REG_26 = 26,
115 	AARCH64_INSN_REG_27 = 27,
116 	AARCH64_INSN_REG_28 = 28,
117 	AARCH64_INSN_REG_29 = 29,
118 	AARCH64_INSN_REG_FP = 29, /* Frame pointer */
119 	AARCH64_INSN_REG_30 = 30,
120 	AARCH64_INSN_REG_LR = 30, /* Link register */
121 	AARCH64_INSN_REG_ZR = 31, /* Zero: as source register */
122 	AARCH64_INSN_REG_SP = 31  /* Stack pointer: as load/store base reg */
123 };
124 
125 enum aarch64_insn_special_register {
126 	AARCH64_INSN_SPCLREG_SPSR_EL1	= 0xC200,
127 	AARCH64_INSN_SPCLREG_ELR_EL1	= 0xC201,
128 	AARCH64_INSN_SPCLREG_SP_EL0	= 0xC208,
129 	AARCH64_INSN_SPCLREG_SPSEL	= 0xC210,
130 	AARCH64_INSN_SPCLREG_CURRENTEL	= 0xC212,
131 	AARCH64_INSN_SPCLREG_DAIF	= 0xDA11,
132 	AARCH64_INSN_SPCLREG_NZCV	= 0xDA10,
133 	AARCH64_INSN_SPCLREG_FPCR	= 0xDA20,
134 	AARCH64_INSN_SPCLREG_DSPSR_EL0	= 0xDA28,
135 	AARCH64_INSN_SPCLREG_DLR_EL0	= 0xDA29,
136 	AARCH64_INSN_SPCLREG_SPSR_EL2	= 0xE200,
137 	AARCH64_INSN_SPCLREG_ELR_EL2	= 0xE201,
138 	AARCH64_INSN_SPCLREG_SP_EL1	= 0xE208,
139 	AARCH64_INSN_SPCLREG_SPSR_INQ	= 0xE218,
140 	AARCH64_INSN_SPCLREG_SPSR_ABT	= 0xE219,
141 	AARCH64_INSN_SPCLREG_SPSR_UND	= 0xE21A,
142 	AARCH64_INSN_SPCLREG_SPSR_FIQ	= 0xE21B,
143 	AARCH64_INSN_SPCLREG_SPSR_EL3	= 0xF200,
144 	AARCH64_INSN_SPCLREG_ELR_EL3	= 0xF201,
145 	AARCH64_INSN_SPCLREG_SP_EL2	= 0xF210
146 };
147 
148 enum aarch64_insn_variant {
149 	AARCH64_INSN_VARIANT_32BIT,
150 	AARCH64_INSN_VARIANT_64BIT
151 };
152 
153 enum aarch64_insn_condition {
154 	AARCH64_INSN_COND_EQ = 0x0, /* == */
155 	AARCH64_INSN_COND_NE = 0x1, /* != */
156 	AARCH64_INSN_COND_CS = 0x2, /* unsigned >= */
157 	AARCH64_INSN_COND_CC = 0x3, /* unsigned < */
158 	AARCH64_INSN_COND_MI = 0x4, /* < 0 */
159 	AARCH64_INSN_COND_PL = 0x5, /* >= 0 */
160 	AARCH64_INSN_COND_VS = 0x6, /* overflow */
161 	AARCH64_INSN_COND_VC = 0x7, /* no overflow */
162 	AARCH64_INSN_COND_HI = 0x8, /* unsigned > */
163 	AARCH64_INSN_COND_LS = 0x9, /* unsigned <= */
164 	AARCH64_INSN_COND_GE = 0xa, /* signed >= */
165 	AARCH64_INSN_COND_LT = 0xb, /* signed < */
166 	AARCH64_INSN_COND_GT = 0xc, /* signed > */
167 	AARCH64_INSN_COND_LE = 0xd, /* signed <= */
168 	AARCH64_INSN_COND_AL = 0xe, /* always */
169 };
170 
171 enum aarch64_insn_branch_type {
172 	AARCH64_INSN_BRANCH_NOLINK,
173 	AARCH64_INSN_BRANCH_LINK,
174 	AARCH64_INSN_BRANCH_RETURN,
175 	AARCH64_INSN_BRANCH_COMP_ZERO,
176 	AARCH64_INSN_BRANCH_COMP_NONZERO,
177 };
178 
179 enum aarch64_insn_size_type {
180 	AARCH64_INSN_SIZE_8,
181 	AARCH64_INSN_SIZE_16,
182 	AARCH64_INSN_SIZE_32,
183 	AARCH64_INSN_SIZE_64,
184 };
185 
186 enum aarch64_insn_ldst_type {
187 	AARCH64_INSN_LDST_LOAD_REG_OFFSET,
188 	AARCH64_INSN_LDST_STORE_REG_OFFSET,
189 	AARCH64_INSN_LDST_LOAD_PAIR_PRE_INDEX,
190 	AARCH64_INSN_LDST_STORE_PAIR_PRE_INDEX,
191 	AARCH64_INSN_LDST_LOAD_PAIR_POST_INDEX,
192 	AARCH64_INSN_LDST_STORE_PAIR_POST_INDEX,
193 	AARCH64_INSN_LDST_LOAD_EX,
194 	AARCH64_INSN_LDST_STORE_EX,
195 };
196 
197 enum aarch64_insn_adsb_type {
198 	AARCH64_INSN_ADSB_ADD,
199 	AARCH64_INSN_ADSB_SUB,
200 	AARCH64_INSN_ADSB_ADD_SETFLAGS,
201 	AARCH64_INSN_ADSB_SUB_SETFLAGS
202 };
203 
204 enum aarch64_insn_movewide_type {
205 	AARCH64_INSN_MOVEWIDE_ZERO,
206 	AARCH64_INSN_MOVEWIDE_KEEP,
207 	AARCH64_INSN_MOVEWIDE_INVERSE
208 };
209 
210 enum aarch64_insn_bitfield_type {
211 	AARCH64_INSN_BITFIELD_MOVE,
212 	AARCH64_INSN_BITFIELD_MOVE_UNSIGNED,
213 	AARCH64_INSN_BITFIELD_MOVE_SIGNED
214 };
215 
216 enum aarch64_insn_data1_type {
217 	AARCH64_INSN_DATA1_REVERSE_16,
218 	AARCH64_INSN_DATA1_REVERSE_32,
219 	AARCH64_INSN_DATA1_REVERSE_64,
220 };
221 
222 enum aarch64_insn_data2_type {
223 	AARCH64_INSN_DATA2_UDIV,
224 	AARCH64_INSN_DATA2_SDIV,
225 	AARCH64_INSN_DATA2_LSLV,
226 	AARCH64_INSN_DATA2_LSRV,
227 	AARCH64_INSN_DATA2_ASRV,
228 	AARCH64_INSN_DATA2_RORV,
229 };
230 
231 enum aarch64_insn_data3_type {
232 	AARCH64_INSN_DATA3_MADD,
233 	AARCH64_INSN_DATA3_MSUB,
234 };
235 
236 enum aarch64_insn_logic_type {
237 	AARCH64_INSN_LOGIC_AND,
238 	AARCH64_INSN_LOGIC_BIC,
239 	AARCH64_INSN_LOGIC_ORR,
240 	AARCH64_INSN_LOGIC_ORN,
241 	AARCH64_INSN_LOGIC_EOR,
242 	AARCH64_INSN_LOGIC_EON,
243 	AARCH64_INSN_LOGIC_AND_SETFLAGS,
244 	AARCH64_INSN_LOGIC_BIC_SETFLAGS
245 };
246 
247 enum aarch64_insn_prfm_type {
248 	AARCH64_INSN_PRFM_TYPE_PLD,
249 	AARCH64_INSN_PRFM_TYPE_PLI,
250 	AARCH64_INSN_PRFM_TYPE_PST,
251 };
252 
253 enum aarch64_insn_prfm_target {
254 	AARCH64_INSN_PRFM_TARGET_L1,
255 	AARCH64_INSN_PRFM_TARGET_L2,
256 	AARCH64_INSN_PRFM_TARGET_L3,
257 };
258 
259 enum aarch64_insn_prfm_policy {
260 	AARCH64_INSN_PRFM_POLICY_KEEP,
261 	AARCH64_INSN_PRFM_POLICY_STRM,
262 };
263 
264 enum aarch64_insn_adr_type {
265 	AARCH64_INSN_ADR_TYPE_ADRP,
266 	AARCH64_INSN_ADR_TYPE_ADR,
267 };
268 
269 #define	__AARCH64_INSN_FUNCS(abbr, mask, val)	\
270 static __always_inline bool aarch64_insn_is_##abbr(u32 code) \
271 { return (code & (mask)) == (val); } \
272 static __always_inline u32 aarch64_insn_get_##abbr##_value(void) \
273 { return (val); }
274 
275 __AARCH64_INSN_FUNCS(adr,	0x9F000000, 0x10000000)
276 __AARCH64_INSN_FUNCS(adrp,	0x9F000000, 0x90000000)
277 __AARCH64_INSN_FUNCS(prfm,	0x3FC00000, 0x39800000)
278 __AARCH64_INSN_FUNCS(prfm_lit,	0xFF000000, 0xD8000000)
279 __AARCH64_INSN_FUNCS(str_reg,	0x3FE0EC00, 0x38206800)
280 __AARCH64_INSN_FUNCS(ldr_reg,	0x3FE0EC00, 0x38606800)
281 __AARCH64_INSN_FUNCS(ldr_lit,	0xBF000000, 0x18000000)
282 __AARCH64_INSN_FUNCS(ldrsw_lit,	0xFF000000, 0x98000000)
283 __AARCH64_INSN_FUNCS(exclusive,	0x3F800000, 0x08000000)
284 __AARCH64_INSN_FUNCS(load_ex,	0x3F400000, 0x08400000)
285 __AARCH64_INSN_FUNCS(store_ex,	0x3F400000, 0x08000000)
286 __AARCH64_INSN_FUNCS(stp_post,	0x7FC00000, 0x28800000)
287 __AARCH64_INSN_FUNCS(ldp_post,	0x7FC00000, 0x28C00000)
288 __AARCH64_INSN_FUNCS(stp_pre,	0x7FC00000, 0x29800000)
289 __AARCH64_INSN_FUNCS(ldp_pre,	0x7FC00000, 0x29C00000)
290 __AARCH64_INSN_FUNCS(add_imm,	0x7F000000, 0x11000000)
291 __AARCH64_INSN_FUNCS(adds_imm,	0x7F000000, 0x31000000)
292 __AARCH64_INSN_FUNCS(sub_imm,	0x7F000000, 0x51000000)
293 __AARCH64_INSN_FUNCS(subs_imm,	0x7F000000, 0x71000000)
294 __AARCH64_INSN_FUNCS(movn,	0x7F800000, 0x12800000)
295 __AARCH64_INSN_FUNCS(sbfm,	0x7F800000, 0x13000000)
296 __AARCH64_INSN_FUNCS(bfm,	0x7F800000, 0x33000000)
297 __AARCH64_INSN_FUNCS(movz,	0x7F800000, 0x52800000)
298 __AARCH64_INSN_FUNCS(ubfm,	0x7F800000, 0x53000000)
299 __AARCH64_INSN_FUNCS(movk,	0x7F800000, 0x72800000)
300 __AARCH64_INSN_FUNCS(add,	0x7F200000, 0x0B000000)
301 __AARCH64_INSN_FUNCS(adds,	0x7F200000, 0x2B000000)
302 __AARCH64_INSN_FUNCS(sub,	0x7F200000, 0x4B000000)
303 __AARCH64_INSN_FUNCS(subs,	0x7F200000, 0x6B000000)
304 __AARCH64_INSN_FUNCS(madd,	0x7FE08000, 0x1B000000)
305 __AARCH64_INSN_FUNCS(msub,	0x7FE08000, 0x1B008000)
306 __AARCH64_INSN_FUNCS(udiv,	0x7FE0FC00, 0x1AC00800)
307 __AARCH64_INSN_FUNCS(sdiv,	0x7FE0FC00, 0x1AC00C00)
308 __AARCH64_INSN_FUNCS(lslv,	0x7FE0FC00, 0x1AC02000)
309 __AARCH64_INSN_FUNCS(lsrv,	0x7FE0FC00, 0x1AC02400)
310 __AARCH64_INSN_FUNCS(asrv,	0x7FE0FC00, 0x1AC02800)
311 __AARCH64_INSN_FUNCS(rorv,	0x7FE0FC00, 0x1AC02C00)
312 __AARCH64_INSN_FUNCS(rev16,	0x7FFFFC00, 0x5AC00400)
313 __AARCH64_INSN_FUNCS(rev32,	0x7FFFFC00, 0x5AC00800)
314 __AARCH64_INSN_FUNCS(rev64,	0x7FFFFC00, 0x5AC00C00)
315 __AARCH64_INSN_FUNCS(and,	0x7F200000, 0x0A000000)
316 __AARCH64_INSN_FUNCS(bic,	0x7F200000, 0x0A200000)
317 __AARCH64_INSN_FUNCS(orr,	0x7F200000, 0x2A000000)
318 __AARCH64_INSN_FUNCS(orn,	0x7F200000, 0x2A200000)
319 __AARCH64_INSN_FUNCS(eor,	0x7F200000, 0x4A000000)
320 __AARCH64_INSN_FUNCS(eon,	0x7F200000, 0x4A200000)
321 __AARCH64_INSN_FUNCS(ands,	0x7F200000, 0x6A000000)
322 __AARCH64_INSN_FUNCS(bics,	0x7F200000, 0x6A200000)
323 __AARCH64_INSN_FUNCS(and_imm,	0x7F800000, 0x12000000)
324 __AARCH64_INSN_FUNCS(orr_imm,	0x7F800000, 0x32000000)
325 __AARCH64_INSN_FUNCS(eor_imm,	0x7F800000, 0x52000000)
326 __AARCH64_INSN_FUNCS(ands_imm,	0x7F800000, 0x72000000)
327 __AARCH64_INSN_FUNCS(extr,	0x7FA00000, 0x13800000)
328 __AARCH64_INSN_FUNCS(b,		0xFC000000, 0x14000000)
329 __AARCH64_INSN_FUNCS(bl,	0xFC000000, 0x94000000)
330 __AARCH64_INSN_FUNCS(cbz,	0x7F000000, 0x34000000)
331 __AARCH64_INSN_FUNCS(cbnz,	0x7F000000, 0x35000000)
332 __AARCH64_INSN_FUNCS(tbz,	0x7F000000, 0x36000000)
333 __AARCH64_INSN_FUNCS(tbnz,	0x7F000000, 0x37000000)
334 __AARCH64_INSN_FUNCS(bcond,	0xFF000010, 0x54000000)
335 __AARCH64_INSN_FUNCS(svc,	0xFFE0001F, 0xD4000001)
336 __AARCH64_INSN_FUNCS(hvc,	0xFFE0001F, 0xD4000002)
337 __AARCH64_INSN_FUNCS(smc,	0xFFE0001F, 0xD4000003)
338 __AARCH64_INSN_FUNCS(brk,	0xFFE0001F, 0xD4200000)
339 __AARCH64_INSN_FUNCS(exception,	0xFF000000, 0xD4000000)
340 __AARCH64_INSN_FUNCS(hint,	0xFFFFF01F, 0xD503201F)
341 __AARCH64_INSN_FUNCS(br,	0xFFFFFC1F, 0xD61F0000)
342 __AARCH64_INSN_FUNCS(blr,	0xFFFFFC1F, 0xD63F0000)
343 __AARCH64_INSN_FUNCS(ret,	0xFFFFFC1F, 0xD65F0000)
344 __AARCH64_INSN_FUNCS(eret,	0xFFFFFFFF, 0xD69F03E0)
345 __AARCH64_INSN_FUNCS(mrs,	0xFFF00000, 0xD5300000)
346 __AARCH64_INSN_FUNCS(msr_imm,	0xFFF8F01F, 0xD500401F)
347 __AARCH64_INSN_FUNCS(msr_reg,	0xFFF00000, 0xD5100000)
348 
349 #undef	__AARCH64_INSN_FUNCS
350 
351 bool aarch64_insn_is_nop(u32 insn);
352 bool aarch64_insn_is_branch_imm(u32 insn);
353 
354 static inline bool aarch64_insn_is_adr_adrp(u32 insn)
355 {
356 	return aarch64_insn_is_adr(insn) || aarch64_insn_is_adrp(insn);
357 }
358 
359 int aarch64_insn_read(void *addr, u32 *insnp);
360 int aarch64_insn_write(void *addr, u32 insn);
361 enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn);
362 bool aarch64_insn_uses_literal(u32 insn);
363 bool aarch64_insn_is_branch(u32 insn);
364 u64 aarch64_insn_decode_immediate(enum aarch64_insn_imm_type type, u32 insn);
365 u32 aarch64_insn_encode_immediate(enum aarch64_insn_imm_type type,
366 				  u32 insn, u64 imm);
367 u32 aarch64_insn_decode_register(enum aarch64_insn_register_type type,
368 					 u32 insn);
369 u32 aarch64_insn_gen_branch_imm(unsigned long pc, unsigned long addr,
370 				enum aarch64_insn_branch_type type);
371 u32 aarch64_insn_gen_comp_branch_imm(unsigned long pc, unsigned long addr,
372 				     enum aarch64_insn_register reg,
373 				     enum aarch64_insn_variant variant,
374 				     enum aarch64_insn_branch_type type);
375 u32 aarch64_insn_gen_cond_branch_imm(unsigned long pc, unsigned long addr,
376 				     enum aarch64_insn_condition cond);
377 u32 aarch64_insn_gen_hint(enum aarch64_insn_hint_op op);
378 u32 aarch64_insn_gen_nop(void);
379 u32 aarch64_insn_gen_branch_reg(enum aarch64_insn_register reg,
380 				enum aarch64_insn_branch_type type);
381 u32 aarch64_insn_gen_load_store_reg(enum aarch64_insn_register reg,
382 				    enum aarch64_insn_register base,
383 				    enum aarch64_insn_register offset,
384 				    enum aarch64_insn_size_type size,
385 				    enum aarch64_insn_ldst_type type);
386 u32 aarch64_insn_gen_load_store_pair(enum aarch64_insn_register reg1,
387 				     enum aarch64_insn_register reg2,
388 				     enum aarch64_insn_register base,
389 				     int offset,
390 				     enum aarch64_insn_variant variant,
391 				     enum aarch64_insn_ldst_type type);
392 u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg,
393 				   enum aarch64_insn_register base,
394 				   enum aarch64_insn_register state,
395 				   enum aarch64_insn_size_type size,
396 				   enum aarch64_insn_ldst_type type);
397 u32 aarch64_insn_gen_add_sub_imm(enum aarch64_insn_register dst,
398 				 enum aarch64_insn_register src,
399 				 int imm, enum aarch64_insn_variant variant,
400 				 enum aarch64_insn_adsb_type type);
401 u32 aarch64_insn_gen_adr(unsigned long pc, unsigned long addr,
402 			 enum aarch64_insn_register reg,
403 			 enum aarch64_insn_adr_type type);
404 u32 aarch64_insn_gen_bitfield(enum aarch64_insn_register dst,
405 			      enum aarch64_insn_register src,
406 			      int immr, int imms,
407 			      enum aarch64_insn_variant variant,
408 			      enum aarch64_insn_bitfield_type type);
409 u32 aarch64_insn_gen_movewide(enum aarch64_insn_register dst,
410 			      int imm, int shift,
411 			      enum aarch64_insn_variant variant,
412 			      enum aarch64_insn_movewide_type type);
413 u32 aarch64_insn_gen_add_sub_shifted_reg(enum aarch64_insn_register dst,
414 					 enum aarch64_insn_register src,
415 					 enum aarch64_insn_register reg,
416 					 int shift,
417 					 enum aarch64_insn_variant variant,
418 					 enum aarch64_insn_adsb_type type);
419 u32 aarch64_insn_gen_data1(enum aarch64_insn_register dst,
420 			   enum aarch64_insn_register src,
421 			   enum aarch64_insn_variant variant,
422 			   enum aarch64_insn_data1_type type);
423 u32 aarch64_insn_gen_data2(enum aarch64_insn_register dst,
424 			   enum aarch64_insn_register src,
425 			   enum aarch64_insn_register reg,
426 			   enum aarch64_insn_variant variant,
427 			   enum aarch64_insn_data2_type type);
428 u32 aarch64_insn_gen_data3(enum aarch64_insn_register dst,
429 			   enum aarch64_insn_register src,
430 			   enum aarch64_insn_register reg1,
431 			   enum aarch64_insn_register reg2,
432 			   enum aarch64_insn_variant variant,
433 			   enum aarch64_insn_data3_type type);
434 u32 aarch64_insn_gen_logical_shifted_reg(enum aarch64_insn_register dst,
435 					 enum aarch64_insn_register src,
436 					 enum aarch64_insn_register reg,
437 					 int shift,
438 					 enum aarch64_insn_variant variant,
439 					 enum aarch64_insn_logic_type type);
440 u32 aarch64_insn_gen_logical_immediate(enum aarch64_insn_logic_type type,
441 				       enum aarch64_insn_variant variant,
442 				       enum aarch64_insn_register Rn,
443 				       enum aarch64_insn_register Rd,
444 				       u64 imm);
445 u32 aarch64_insn_gen_extr(enum aarch64_insn_variant variant,
446 			  enum aarch64_insn_register Rm,
447 			  enum aarch64_insn_register Rn,
448 			  enum aarch64_insn_register Rd,
449 			  u8 lsb);
450 u32 aarch64_insn_gen_prefetch(enum aarch64_insn_register base,
451 			      enum aarch64_insn_prfm_type type,
452 			      enum aarch64_insn_prfm_target target,
453 			      enum aarch64_insn_prfm_policy policy);
454 s32 aarch64_get_branch_offset(u32 insn);
455 u32 aarch64_set_branch_offset(u32 insn, s32 offset);
456 
457 int aarch64_insn_patch_text_nosync(void *addr, u32 insn);
458 int aarch64_insn_patch_text(void *addrs[], u32 insns[], int cnt);
459 
460 s32 aarch64_insn_adrp_get_offset(u32 insn);
461 u32 aarch64_insn_adrp_set_offset(u32 insn, s32 offset);
462 
463 bool aarch32_insn_is_wide(u32 insn);
464 
465 #define A32_RN_OFFSET	16
466 #define A32_RT_OFFSET	12
467 #define A32_RT2_OFFSET	 0
468 
469 u32 aarch64_insn_extract_system_reg(u32 insn);
470 u32 aarch32_insn_extract_reg_num(u32 insn, int offset);
471 u32 aarch32_insn_mcr_extract_opc2(u32 insn);
472 u32 aarch32_insn_mcr_extract_crm(u32 insn);
473 
474 typedef bool (pstate_check_t)(unsigned long);
475 extern pstate_check_t * const aarch32_opcode_cond_checks[16];
476 #endif /* __ASSEMBLY__ */
477 
478 #endif	/* __ASM_INSN_H */
479