1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2013 Huawei Ltd.
4 * Author: Jiang Liu <liuj97@gmail.com>
5 *
6 * Copyright (C) 2014 Zi Shen Lim <zlim.lnx@gmail.com>
7 */
8 #ifndef __ASM_INSN_H
9 #define __ASM_INSN_H
10 #include <linux/build_bug.h>
11 #include <linux/types.h>
12
13 /* A64 instructions are always 32 bits. */
14 #define AARCH64_INSN_SIZE 4
15
16 #ifndef __ASSEMBLY__
17 /*
18 * ARM Architecture Reference Manual for ARMv8 Profile-A, Issue A.a
19 * Section C3.1 "A64 instruction index by encoding":
20 * AArch64 main encoding table
21 * Bit position
22 * 28 27 26 25 Encoding Group
23 * 0 0 - - Unallocated
24 * 1 0 0 - Data processing, immediate
25 * 1 0 1 - Branch, exception generation and system instructions
26 * - 1 - 0 Loads and stores
27 * - 1 0 1 Data processing - register
28 * 0 1 1 1 Data processing - SIMD and floating point
29 * 1 1 1 1 Data processing - SIMD and floating point
30 * "-" means "don't care"
31 */
32 enum aarch64_insn_encoding_class {
33 AARCH64_INSN_CLS_UNKNOWN, /* UNALLOCATED */
34 AARCH64_INSN_CLS_DP_IMM, /* Data processing - immediate */
35 AARCH64_INSN_CLS_DP_REG, /* Data processing - register */
36 AARCH64_INSN_CLS_DP_FPSIMD, /* Data processing - SIMD and FP */
37 AARCH64_INSN_CLS_LDST, /* Loads and stores */
38 AARCH64_INSN_CLS_BR_SYS, /* Branch, exception generation and
39 * system instructions */
40 };
41
42 enum aarch64_insn_hint_op {
43 AARCH64_INSN_HINT_NOP = 0x0 << 5,
44 AARCH64_INSN_HINT_YIELD = 0x1 << 5,
45 AARCH64_INSN_HINT_WFE = 0x2 << 5,
46 AARCH64_INSN_HINT_WFI = 0x3 << 5,
47 AARCH64_INSN_HINT_SEV = 0x4 << 5,
48 AARCH64_INSN_HINT_SEVL = 0x5 << 5,
49 };
50
51 enum aarch64_insn_imm_type {
52 AARCH64_INSN_IMM_ADR,
53 AARCH64_INSN_IMM_26,
54 AARCH64_INSN_IMM_19,
55 AARCH64_INSN_IMM_16,
56 AARCH64_INSN_IMM_14,
57 AARCH64_INSN_IMM_12,
58 AARCH64_INSN_IMM_9,
59 AARCH64_INSN_IMM_7,
60 AARCH64_INSN_IMM_6,
61 AARCH64_INSN_IMM_S,
62 AARCH64_INSN_IMM_R,
63 AARCH64_INSN_IMM_N,
64 AARCH64_INSN_IMM_MAX
65 };
66
67 enum aarch64_insn_register_type {
68 AARCH64_INSN_REGTYPE_RT,
69 AARCH64_INSN_REGTYPE_RN,
70 AARCH64_INSN_REGTYPE_RT2,
71 AARCH64_INSN_REGTYPE_RM,
72 AARCH64_INSN_REGTYPE_RD,
73 AARCH64_INSN_REGTYPE_RA,
74 AARCH64_INSN_REGTYPE_RS,
75 };
76
77 enum aarch64_insn_register {
78 AARCH64_INSN_REG_0 = 0,
79 AARCH64_INSN_REG_1 = 1,
80 AARCH64_INSN_REG_2 = 2,
81 AARCH64_INSN_REG_3 = 3,
82 AARCH64_INSN_REG_4 = 4,
83 AARCH64_INSN_REG_5 = 5,
84 AARCH64_INSN_REG_6 = 6,
85 AARCH64_INSN_REG_7 = 7,
86 AARCH64_INSN_REG_8 = 8,
87 AARCH64_INSN_REG_9 = 9,
88 AARCH64_INSN_REG_10 = 10,
89 AARCH64_INSN_REG_11 = 11,
90 AARCH64_INSN_REG_12 = 12,
91 AARCH64_INSN_REG_13 = 13,
92 AARCH64_INSN_REG_14 = 14,
93 AARCH64_INSN_REG_15 = 15,
94 AARCH64_INSN_REG_16 = 16,
95 AARCH64_INSN_REG_17 = 17,
96 AARCH64_INSN_REG_18 = 18,
97 AARCH64_INSN_REG_19 = 19,
98 AARCH64_INSN_REG_20 = 20,
99 AARCH64_INSN_REG_21 = 21,
100 AARCH64_INSN_REG_22 = 22,
101 AARCH64_INSN_REG_23 = 23,
102 AARCH64_INSN_REG_24 = 24,
103 AARCH64_INSN_REG_25 = 25,
104 AARCH64_INSN_REG_26 = 26,
105 AARCH64_INSN_REG_27 = 27,
106 AARCH64_INSN_REG_28 = 28,
107 AARCH64_INSN_REG_29 = 29,
108 AARCH64_INSN_REG_FP = 29, /* Frame pointer */
109 AARCH64_INSN_REG_30 = 30,
110 AARCH64_INSN_REG_LR = 30, /* Link register */
111 AARCH64_INSN_REG_ZR = 31, /* Zero: as source register */
112 AARCH64_INSN_REG_SP = 31 /* Stack pointer: as load/store base reg */
113 };
114
115 enum aarch64_insn_special_register {
116 AARCH64_INSN_SPCLREG_SPSR_EL1 = 0xC200,
117 AARCH64_INSN_SPCLREG_ELR_EL1 = 0xC201,
118 AARCH64_INSN_SPCLREG_SP_EL0 = 0xC208,
119 AARCH64_INSN_SPCLREG_SPSEL = 0xC210,
120 AARCH64_INSN_SPCLREG_CURRENTEL = 0xC212,
121 AARCH64_INSN_SPCLREG_DAIF = 0xDA11,
122 AARCH64_INSN_SPCLREG_NZCV = 0xDA10,
123 AARCH64_INSN_SPCLREG_FPCR = 0xDA20,
124 AARCH64_INSN_SPCLREG_DSPSR_EL0 = 0xDA28,
125 AARCH64_INSN_SPCLREG_DLR_EL0 = 0xDA29,
126 AARCH64_INSN_SPCLREG_SPSR_EL2 = 0xE200,
127 AARCH64_INSN_SPCLREG_ELR_EL2 = 0xE201,
128 AARCH64_INSN_SPCLREG_SP_EL1 = 0xE208,
129 AARCH64_INSN_SPCLREG_SPSR_INQ = 0xE218,
130 AARCH64_INSN_SPCLREG_SPSR_ABT = 0xE219,
131 AARCH64_INSN_SPCLREG_SPSR_UND = 0xE21A,
132 AARCH64_INSN_SPCLREG_SPSR_FIQ = 0xE21B,
133 AARCH64_INSN_SPCLREG_SPSR_EL3 = 0xF200,
134 AARCH64_INSN_SPCLREG_ELR_EL3 = 0xF201,
135 AARCH64_INSN_SPCLREG_SP_EL2 = 0xF210
136 };
137
138 enum aarch64_insn_variant {
139 AARCH64_INSN_VARIANT_32BIT,
140 AARCH64_INSN_VARIANT_64BIT
141 };
142
143 enum aarch64_insn_condition {
144 AARCH64_INSN_COND_EQ = 0x0, /* == */
145 AARCH64_INSN_COND_NE = 0x1, /* != */
146 AARCH64_INSN_COND_CS = 0x2, /* unsigned >= */
147 AARCH64_INSN_COND_CC = 0x3, /* unsigned < */
148 AARCH64_INSN_COND_MI = 0x4, /* < 0 */
149 AARCH64_INSN_COND_PL = 0x5, /* >= 0 */
150 AARCH64_INSN_COND_VS = 0x6, /* overflow */
151 AARCH64_INSN_COND_VC = 0x7, /* no overflow */
152 AARCH64_INSN_COND_HI = 0x8, /* unsigned > */
153 AARCH64_INSN_COND_LS = 0x9, /* unsigned <= */
154 AARCH64_INSN_COND_GE = 0xa, /* signed >= */
155 AARCH64_INSN_COND_LT = 0xb, /* signed < */
156 AARCH64_INSN_COND_GT = 0xc, /* signed > */
157 AARCH64_INSN_COND_LE = 0xd, /* signed <= */
158 AARCH64_INSN_COND_AL = 0xe, /* always */
159 };
160
161 enum aarch64_insn_branch_type {
162 AARCH64_INSN_BRANCH_NOLINK,
163 AARCH64_INSN_BRANCH_LINK,
164 AARCH64_INSN_BRANCH_RETURN,
165 AARCH64_INSN_BRANCH_COMP_ZERO,
166 AARCH64_INSN_BRANCH_COMP_NONZERO,
167 };
168
169 enum aarch64_insn_size_type {
170 AARCH64_INSN_SIZE_8,
171 AARCH64_INSN_SIZE_16,
172 AARCH64_INSN_SIZE_32,
173 AARCH64_INSN_SIZE_64,
174 };
175
176 enum aarch64_insn_ldst_type {
177 AARCH64_INSN_LDST_LOAD_REG_OFFSET,
178 AARCH64_INSN_LDST_STORE_REG_OFFSET,
179 AARCH64_INSN_LDST_LOAD_PAIR_PRE_INDEX,
180 AARCH64_INSN_LDST_STORE_PAIR_PRE_INDEX,
181 AARCH64_INSN_LDST_LOAD_PAIR_POST_INDEX,
182 AARCH64_INSN_LDST_STORE_PAIR_POST_INDEX,
183 AARCH64_INSN_LDST_LOAD_EX,
184 AARCH64_INSN_LDST_STORE_EX,
185 };
186
187 enum aarch64_insn_adsb_type {
188 AARCH64_INSN_ADSB_ADD,
189 AARCH64_INSN_ADSB_SUB,
190 AARCH64_INSN_ADSB_ADD_SETFLAGS,
191 AARCH64_INSN_ADSB_SUB_SETFLAGS
192 };
193
194 enum aarch64_insn_movewide_type {
195 AARCH64_INSN_MOVEWIDE_ZERO,
196 AARCH64_INSN_MOVEWIDE_KEEP,
197 AARCH64_INSN_MOVEWIDE_INVERSE
198 };
199
200 enum aarch64_insn_bitfield_type {
201 AARCH64_INSN_BITFIELD_MOVE,
202 AARCH64_INSN_BITFIELD_MOVE_UNSIGNED,
203 AARCH64_INSN_BITFIELD_MOVE_SIGNED
204 };
205
206 enum aarch64_insn_data1_type {
207 AARCH64_INSN_DATA1_REVERSE_16,
208 AARCH64_INSN_DATA1_REVERSE_32,
209 AARCH64_INSN_DATA1_REVERSE_64,
210 };
211
212 enum aarch64_insn_data2_type {
213 AARCH64_INSN_DATA2_UDIV,
214 AARCH64_INSN_DATA2_SDIV,
215 AARCH64_INSN_DATA2_LSLV,
216 AARCH64_INSN_DATA2_LSRV,
217 AARCH64_INSN_DATA2_ASRV,
218 AARCH64_INSN_DATA2_RORV,
219 };
220
221 enum aarch64_insn_data3_type {
222 AARCH64_INSN_DATA3_MADD,
223 AARCH64_INSN_DATA3_MSUB,
224 };
225
226 enum aarch64_insn_logic_type {
227 AARCH64_INSN_LOGIC_AND,
228 AARCH64_INSN_LOGIC_BIC,
229 AARCH64_INSN_LOGIC_ORR,
230 AARCH64_INSN_LOGIC_ORN,
231 AARCH64_INSN_LOGIC_EOR,
232 AARCH64_INSN_LOGIC_EON,
233 AARCH64_INSN_LOGIC_AND_SETFLAGS,
234 AARCH64_INSN_LOGIC_BIC_SETFLAGS
235 };
236
237 enum aarch64_insn_prfm_type {
238 AARCH64_INSN_PRFM_TYPE_PLD,
239 AARCH64_INSN_PRFM_TYPE_PLI,
240 AARCH64_INSN_PRFM_TYPE_PST,
241 };
242
243 enum aarch64_insn_prfm_target {
244 AARCH64_INSN_PRFM_TARGET_L1,
245 AARCH64_INSN_PRFM_TARGET_L2,
246 AARCH64_INSN_PRFM_TARGET_L3,
247 };
248
249 enum aarch64_insn_prfm_policy {
250 AARCH64_INSN_PRFM_POLICY_KEEP,
251 AARCH64_INSN_PRFM_POLICY_STRM,
252 };
253
254 enum aarch64_insn_adr_type {
255 AARCH64_INSN_ADR_TYPE_ADRP,
256 AARCH64_INSN_ADR_TYPE_ADR,
257 };
258
259 #define __AARCH64_INSN_FUNCS(abbr, mask, val) \
260 static __always_inline bool aarch64_insn_is_##abbr(u32 code) \
261 { \
262 BUILD_BUG_ON(~(mask) & (val)); \
263 return (code & (mask)) == (val); \
264 } \
265 static __always_inline u32 aarch64_insn_get_##abbr##_value(void) \
266 { \
267 return (val); \
268 }
269
270 __AARCH64_INSN_FUNCS(adr, 0x9F000000, 0x10000000)
271 __AARCH64_INSN_FUNCS(adrp, 0x9F000000, 0x90000000)
272 __AARCH64_INSN_FUNCS(prfm, 0x3FC00000, 0x39800000)
273 __AARCH64_INSN_FUNCS(prfm_lit, 0xFF000000, 0xD8000000)
274 __AARCH64_INSN_FUNCS(str_reg, 0x3FE0EC00, 0x38206800)
275 __AARCH64_INSN_FUNCS(ldadd, 0x3F20FC00, 0x38200000)
276 __AARCH64_INSN_FUNCS(ldr_reg, 0x3FE0EC00, 0x38606800)
277 __AARCH64_INSN_FUNCS(ldr_lit, 0xBF000000, 0x18000000)
278 __AARCH64_INSN_FUNCS(ldrsw_lit, 0xFF000000, 0x98000000)
279 __AARCH64_INSN_FUNCS(exclusive, 0x3F800000, 0x08000000)
280 __AARCH64_INSN_FUNCS(load_ex, 0x3F400000, 0x08400000)
281 __AARCH64_INSN_FUNCS(store_ex, 0x3F400000, 0x08000000)
282 __AARCH64_INSN_FUNCS(stp_post, 0x7FC00000, 0x28800000)
283 __AARCH64_INSN_FUNCS(ldp_post, 0x7FC00000, 0x28C00000)
284 __AARCH64_INSN_FUNCS(stp_pre, 0x7FC00000, 0x29800000)
285 __AARCH64_INSN_FUNCS(ldp_pre, 0x7FC00000, 0x29C00000)
286 __AARCH64_INSN_FUNCS(add_imm, 0x7F000000, 0x11000000)
287 __AARCH64_INSN_FUNCS(adds_imm, 0x7F000000, 0x31000000)
288 __AARCH64_INSN_FUNCS(sub_imm, 0x7F000000, 0x51000000)
289 __AARCH64_INSN_FUNCS(subs_imm, 0x7F000000, 0x71000000)
290 __AARCH64_INSN_FUNCS(movn, 0x7F800000, 0x12800000)
291 __AARCH64_INSN_FUNCS(sbfm, 0x7F800000, 0x13000000)
292 __AARCH64_INSN_FUNCS(bfm, 0x7F800000, 0x33000000)
293 __AARCH64_INSN_FUNCS(movz, 0x7F800000, 0x52800000)
294 __AARCH64_INSN_FUNCS(ubfm, 0x7F800000, 0x53000000)
295 __AARCH64_INSN_FUNCS(movk, 0x7F800000, 0x72800000)
296 __AARCH64_INSN_FUNCS(add, 0x7F200000, 0x0B000000)
297 __AARCH64_INSN_FUNCS(adds, 0x7F200000, 0x2B000000)
298 __AARCH64_INSN_FUNCS(sub, 0x7F200000, 0x4B000000)
299 __AARCH64_INSN_FUNCS(subs, 0x7F200000, 0x6B000000)
300 __AARCH64_INSN_FUNCS(madd, 0x7FE08000, 0x1B000000)
301 __AARCH64_INSN_FUNCS(msub, 0x7FE08000, 0x1B008000)
302 __AARCH64_INSN_FUNCS(udiv, 0x7FE0FC00, 0x1AC00800)
303 __AARCH64_INSN_FUNCS(sdiv, 0x7FE0FC00, 0x1AC00C00)
304 __AARCH64_INSN_FUNCS(lslv, 0x7FE0FC00, 0x1AC02000)
305 __AARCH64_INSN_FUNCS(lsrv, 0x7FE0FC00, 0x1AC02400)
306 __AARCH64_INSN_FUNCS(asrv, 0x7FE0FC00, 0x1AC02800)
307 __AARCH64_INSN_FUNCS(rorv, 0x7FE0FC00, 0x1AC02C00)
308 __AARCH64_INSN_FUNCS(rev16, 0x7FFFFC00, 0x5AC00400)
309 __AARCH64_INSN_FUNCS(rev32, 0x7FFFFC00, 0x5AC00800)
310 __AARCH64_INSN_FUNCS(rev64, 0x7FFFFC00, 0x5AC00C00)
311 __AARCH64_INSN_FUNCS(and, 0x7F200000, 0x0A000000)
312 __AARCH64_INSN_FUNCS(bic, 0x7F200000, 0x0A200000)
313 __AARCH64_INSN_FUNCS(orr, 0x7F200000, 0x2A000000)
314 __AARCH64_INSN_FUNCS(orn, 0x7F200000, 0x2A200000)
315 __AARCH64_INSN_FUNCS(eor, 0x7F200000, 0x4A000000)
316 __AARCH64_INSN_FUNCS(eon, 0x7F200000, 0x4A200000)
317 __AARCH64_INSN_FUNCS(ands, 0x7F200000, 0x6A000000)
318 __AARCH64_INSN_FUNCS(bics, 0x7F200000, 0x6A200000)
319 __AARCH64_INSN_FUNCS(and_imm, 0x7F800000, 0x12000000)
320 __AARCH64_INSN_FUNCS(orr_imm, 0x7F800000, 0x32000000)
321 __AARCH64_INSN_FUNCS(eor_imm, 0x7F800000, 0x52000000)
322 __AARCH64_INSN_FUNCS(ands_imm, 0x7F800000, 0x72000000)
323 __AARCH64_INSN_FUNCS(extr, 0x7FA00000, 0x13800000)
324 __AARCH64_INSN_FUNCS(b, 0xFC000000, 0x14000000)
325 __AARCH64_INSN_FUNCS(bl, 0xFC000000, 0x94000000)
326 __AARCH64_INSN_FUNCS(cbz, 0x7F000000, 0x34000000)
327 __AARCH64_INSN_FUNCS(cbnz, 0x7F000000, 0x35000000)
328 __AARCH64_INSN_FUNCS(tbz, 0x7F000000, 0x36000000)
329 __AARCH64_INSN_FUNCS(tbnz, 0x7F000000, 0x37000000)
330 __AARCH64_INSN_FUNCS(bcond, 0xFF000010, 0x54000000)
331 __AARCH64_INSN_FUNCS(svc, 0xFFE0001F, 0xD4000001)
332 __AARCH64_INSN_FUNCS(hvc, 0xFFE0001F, 0xD4000002)
333 __AARCH64_INSN_FUNCS(smc, 0xFFE0001F, 0xD4000003)
334 __AARCH64_INSN_FUNCS(brk, 0xFFE0001F, 0xD4200000)
335 __AARCH64_INSN_FUNCS(exception, 0xFF000000, 0xD4000000)
336 __AARCH64_INSN_FUNCS(hint, 0xFFFFF01F, 0xD503201F)
337 __AARCH64_INSN_FUNCS(br, 0xFFFFFC1F, 0xD61F0000)
338 __AARCH64_INSN_FUNCS(blr, 0xFFFFFC1F, 0xD63F0000)
339 __AARCH64_INSN_FUNCS(ret, 0xFFFFFC1F, 0xD65F0000)
340 __AARCH64_INSN_FUNCS(eret, 0xFFFFFFFF, 0xD69F03E0)
341 __AARCH64_INSN_FUNCS(mrs, 0xFFF00000, 0xD5300000)
342 __AARCH64_INSN_FUNCS(msr_imm, 0xFFF8F01F, 0xD500401F)
343 __AARCH64_INSN_FUNCS(msr_reg, 0xFFF00000, 0xD5100000)
344
345 #undef __AARCH64_INSN_FUNCS
346
347 bool aarch64_insn_is_nop(u32 insn);
348 bool aarch64_insn_is_branch_imm(u32 insn);
349
aarch64_insn_is_adr_adrp(u32 insn)350 static inline bool aarch64_insn_is_adr_adrp(u32 insn)
351 {
352 return aarch64_insn_is_adr(insn) || aarch64_insn_is_adrp(insn);
353 }
354
355 int aarch64_insn_read(void *addr, u32 *insnp);
356 int aarch64_insn_write(void *addr, u32 insn);
357 enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn);
358 bool aarch64_insn_uses_literal(u32 insn);
359 bool aarch64_insn_is_branch(u32 insn);
360 u64 aarch64_insn_decode_immediate(enum aarch64_insn_imm_type type, u32 insn);
361 u32 aarch64_insn_encode_immediate(enum aarch64_insn_imm_type type,
362 u32 insn, u64 imm);
363 u32 aarch64_insn_decode_register(enum aarch64_insn_register_type type,
364 u32 insn);
365 u32 aarch64_insn_gen_branch_imm(unsigned long pc, unsigned long addr,
366 enum aarch64_insn_branch_type type);
367 u32 aarch64_insn_gen_comp_branch_imm(unsigned long pc, unsigned long addr,
368 enum aarch64_insn_register reg,
369 enum aarch64_insn_variant variant,
370 enum aarch64_insn_branch_type type);
371 u32 aarch64_insn_gen_cond_branch_imm(unsigned long pc, unsigned long addr,
372 enum aarch64_insn_condition cond);
373 u32 aarch64_insn_gen_hint(enum aarch64_insn_hint_op op);
374 u32 aarch64_insn_gen_nop(void);
375 u32 aarch64_insn_gen_branch_reg(enum aarch64_insn_register reg,
376 enum aarch64_insn_branch_type type);
377 u32 aarch64_insn_gen_load_store_reg(enum aarch64_insn_register reg,
378 enum aarch64_insn_register base,
379 enum aarch64_insn_register offset,
380 enum aarch64_insn_size_type size,
381 enum aarch64_insn_ldst_type type);
382 u32 aarch64_insn_gen_load_store_pair(enum aarch64_insn_register reg1,
383 enum aarch64_insn_register reg2,
384 enum aarch64_insn_register base,
385 int offset,
386 enum aarch64_insn_variant variant,
387 enum aarch64_insn_ldst_type type);
388 u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg,
389 enum aarch64_insn_register base,
390 enum aarch64_insn_register state,
391 enum aarch64_insn_size_type size,
392 enum aarch64_insn_ldst_type type);
393 u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result,
394 enum aarch64_insn_register address,
395 enum aarch64_insn_register value,
396 enum aarch64_insn_size_type size);
397 u32 aarch64_insn_gen_stadd(enum aarch64_insn_register address,
398 enum aarch64_insn_register value,
399 enum aarch64_insn_size_type size);
400 u32 aarch64_insn_gen_add_sub_imm(enum aarch64_insn_register dst,
401 enum aarch64_insn_register src,
402 int imm, enum aarch64_insn_variant variant,
403 enum aarch64_insn_adsb_type type);
404 u32 aarch64_insn_gen_adr(unsigned long pc, unsigned long addr,
405 enum aarch64_insn_register reg,
406 enum aarch64_insn_adr_type type);
407 u32 aarch64_insn_gen_bitfield(enum aarch64_insn_register dst,
408 enum aarch64_insn_register src,
409 int immr, int imms,
410 enum aarch64_insn_variant variant,
411 enum aarch64_insn_bitfield_type type);
412 u32 aarch64_insn_gen_movewide(enum aarch64_insn_register dst,
413 int imm, int shift,
414 enum aarch64_insn_variant variant,
415 enum aarch64_insn_movewide_type type);
416 u32 aarch64_insn_gen_add_sub_shifted_reg(enum aarch64_insn_register dst,
417 enum aarch64_insn_register src,
418 enum aarch64_insn_register reg,
419 int shift,
420 enum aarch64_insn_variant variant,
421 enum aarch64_insn_adsb_type type);
422 u32 aarch64_insn_gen_data1(enum aarch64_insn_register dst,
423 enum aarch64_insn_register src,
424 enum aarch64_insn_variant variant,
425 enum aarch64_insn_data1_type type);
426 u32 aarch64_insn_gen_data2(enum aarch64_insn_register dst,
427 enum aarch64_insn_register src,
428 enum aarch64_insn_register reg,
429 enum aarch64_insn_variant variant,
430 enum aarch64_insn_data2_type type);
431 u32 aarch64_insn_gen_data3(enum aarch64_insn_register dst,
432 enum aarch64_insn_register src,
433 enum aarch64_insn_register reg1,
434 enum aarch64_insn_register reg2,
435 enum aarch64_insn_variant variant,
436 enum aarch64_insn_data3_type type);
437 u32 aarch64_insn_gen_logical_shifted_reg(enum aarch64_insn_register dst,
438 enum aarch64_insn_register src,
439 enum aarch64_insn_register reg,
440 int shift,
441 enum aarch64_insn_variant variant,
442 enum aarch64_insn_logic_type type);
443 u32 aarch64_insn_gen_logical_immediate(enum aarch64_insn_logic_type type,
444 enum aarch64_insn_variant variant,
445 enum aarch64_insn_register Rn,
446 enum aarch64_insn_register Rd,
447 u64 imm);
448 u32 aarch64_insn_gen_extr(enum aarch64_insn_variant variant,
449 enum aarch64_insn_register Rm,
450 enum aarch64_insn_register Rn,
451 enum aarch64_insn_register Rd,
452 u8 lsb);
453 u32 aarch64_insn_gen_prefetch(enum aarch64_insn_register base,
454 enum aarch64_insn_prfm_type type,
455 enum aarch64_insn_prfm_target target,
456 enum aarch64_insn_prfm_policy policy);
457 s32 aarch64_get_branch_offset(u32 insn);
458 u32 aarch64_set_branch_offset(u32 insn, s32 offset);
459
460 int aarch64_insn_patch_text_nosync(void *addr, u32 insn);
461 int aarch64_insn_patch_text(void *addrs[], u32 insns[], int cnt);
462
463 s32 aarch64_insn_adrp_get_offset(u32 insn);
464 u32 aarch64_insn_adrp_set_offset(u32 insn, s32 offset);
465
466 bool aarch32_insn_is_wide(u32 insn);
467
468 #define A32_RN_OFFSET 16
469 #define A32_RT_OFFSET 12
470 #define A32_RT2_OFFSET 0
471
472 u32 aarch64_insn_extract_system_reg(u32 insn);
473 u32 aarch32_insn_extract_reg_num(u32 insn, int offset);
474 u32 aarch32_insn_mcr_extract_opc2(u32 insn);
475 u32 aarch32_insn_mcr_extract_crm(u32 insn);
476
477 typedef bool (pstate_check_t)(unsigned long);
478 extern pstate_check_t * const aarch32_opcode_cond_checks[16];
479 #endif /* __ASSEMBLY__ */
480
481 #endif /* __ASM_INSN_H */
482
