[PATCH, BINUTILS, AARCH64, 7/9] Add BTI instruction
[deliverable/binutils-gdb.git] / opcodes / aarch64-opc.c
CommitLineData
a06ea964 1/* aarch64-opc.c -- AArch64 opcode support.
219d1afa 2 Copyright (C) 2009-2018 Free Software Foundation, Inc.
a06ea964
NC
3 Contributed by ARM Ltd.
4
5 This file is part of the GNU opcodes library.
6
7 This library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
11
12 It is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; see the file COPYING3. If not,
19 see <http://www.gnu.org/licenses/>. */
20
21#include "sysdep.h"
22#include <assert.h>
23#include <stdlib.h>
24#include <stdio.h>
25#include <stdint.h>
26#include <stdarg.h>
27#include <inttypes.h>
28
29#include "opintl.h"
245d2e3f 30#include "libiberty.h"
a06ea964
NC
31
32#include "aarch64-opc.h"
33
34#ifdef DEBUG_AARCH64
35int debug_dump = FALSE;
36#endif /* DEBUG_AARCH64 */
37
245d2e3f
RS
38/* The enumeration strings associated with each value of a 5-bit SVE
39 pattern operand. A null entry indicates a reserved meaning. */
40const char *const aarch64_sve_pattern_array[32] = {
41 /* 0-7. */
42 "pow2",
43 "vl1",
44 "vl2",
45 "vl3",
46 "vl4",
47 "vl5",
48 "vl6",
49 "vl7",
50 /* 8-15. */
51 "vl8",
52 "vl16",
53 "vl32",
54 "vl64",
55 "vl128",
56 "vl256",
57 0,
58 0,
59 /* 16-23. */
60 0,
61 0,
62 0,
63 0,
64 0,
65 0,
66 0,
67 0,
68 /* 24-31. */
69 0,
70 0,
71 0,
72 0,
73 0,
74 "mul4",
75 "mul3",
76 "all"
77};
78
79/* The enumeration strings associated with each value of a 4-bit SVE
80 prefetch operand. A null entry indicates a reserved meaning. */
81const char *const aarch64_sve_prfop_array[16] = {
82 /* 0-7. */
83 "pldl1keep",
84 "pldl1strm",
85 "pldl2keep",
86 "pldl2strm",
87 "pldl3keep",
88 "pldl3strm",
89 0,
90 0,
91 /* 8-15. */
92 "pstl1keep",
93 "pstl1strm",
94 "pstl2keep",
95 "pstl2strm",
96 "pstl3keep",
97 "pstl3strm",
98 0,
99 0
100};
101
a06ea964
NC
102/* Helper functions to determine which operand to be used to encode/decode
103 the size:Q fields for AdvSIMD instructions. */
104
105static inline bfd_boolean
106vector_qualifier_p (enum aarch64_opnd_qualifier qualifier)
107{
108 return ((qualifier >= AARCH64_OPND_QLF_V_8B
109 && qualifier <= AARCH64_OPND_QLF_V_1Q) ? TRUE
110 : FALSE);
111}
112
113static inline bfd_boolean
114fp_qualifier_p (enum aarch64_opnd_qualifier qualifier)
115{
116 return ((qualifier >= AARCH64_OPND_QLF_S_B
117 && qualifier <= AARCH64_OPND_QLF_S_Q) ? TRUE
118 : FALSE);
119}
120
121enum data_pattern
122{
123 DP_UNKNOWN,
124 DP_VECTOR_3SAME,
125 DP_VECTOR_LONG,
126 DP_VECTOR_WIDE,
127 DP_VECTOR_ACROSS_LANES,
128};
129
130static const char significant_operand_index [] =
131{
132 0, /* DP_UNKNOWN, by default using operand 0. */
133 0, /* DP_VECTOR_3SAME */
134 1, /* DP_VECTOR_LONG */
135 2, /* DP_VECTOR_WIDE */
136 1, /* DP_VECTOR_ACROSS_LANES */
137};
138
139/* Given a sequence of qualifiers in QUALIFIERS, determine and return
140 the data pattern.
141 N.B. QUALIFIERS is a possible sequence of qualifiers each of which
142 corresponds to one of a sequence of operands. */
143
144static enum data_pattern
145get_data_pattern (const aarch64_opnd_qualifier_seq_t qualifiers)
146{
147 if (vector_qualifier_p (qualifiers[0]) == TRUE)
148 {
149 /* e.g. v.4s, v.4s, v.4s
150 or v.4h, v.4h, v.h[3]. */
151 if (qualifiers[0] == qualifiers[1]
152 && vector_qualifier_p (qualifiers[2]) == TRUE
153 && (aarch64_get_qualifier_esize (qualifiers[0])
154 == aarch64_get_qualifier_esize (qualifiers[1]))
155 && (aarch64_get_qualifier_esize (qualifiers[0])
156 == aarch64_get_qualifier_esize (qualifiers[2])))
157 return DP_VECTOR_3SAME;
158 /* e.g. v.8h, v.8b, v.8b.
159 or v.4s, v.4h, v.h[2].
160 or v.8h, v.16b. */
161 if (vector_qualifier_p (qualifiers[1]) == TRUE
162 && aarch64_get_qualifier_esize (qualifiers[0]) != 0
163 && (aarch64_get_qualifier_esize (qualifiers[0])
164 == aarch64_get_qualifier_esize (qualifiers[1]) << 1))
165 return DP_VECTOR_LONG;
166 /* e.g. v.8h, v.8h, v.8b. */
167 if (qualifiers[0] == qualifiers[1]
168 && vector_qualifier_p (qualifiers[2]) == TRUE
169 && aarch64_get_qualifier_esize (qualifiers[0]) != 0
170 && (aarch64_get_qualifier_esize (qualifiers[0])
171 == aarch64_get_qualifier_esize (qualifiers[2]) << 1)
172 && (aarch64_get_qualifier_esize (qualifiers[0])
173 == aarch64_get_qualifier_esize (qualifiers[1])))
174 return DP_VECTOR_WIDE;
175 }
176 else if (fp_qualifier_p (qualifiers[0]) == TRUE)
177 {
178 /* e.g. SADDLV <V><d>, <Vn>.<T>. */
179 if (vector_qualifier_p (qualifiers[1]) == TRUE
180 && qualifiers[2] == AARCH64_OPND_QLF_NIL)
181 return DP_VECTOR_ACROSS_LANES;
182 }
183
184 return DP_UNKNOWN;
185}
186
187/* Select the operand to do the encoding/decoding of the 'size:Q' fields in
188 the AdvSIMD instructions. */
189/* N.B. it is possible to do some optimization that doesn't call
190 get_data_pattern each time when we need to select an operand. We can
191 either buffer the caculated the result or statically generate the data,
192 however, it is not obvious that the optimization will bring significant
193 benefit. */
194
195int
196aarch64_select_operand_for_sizeq_field_coding (const aarch64_opcode *opcode)
197{
198 return
199 significant_operand_index [get_data_pattern (opcode->qualifiers_list[0])];
200}
201\f
202const aarch64_field fields[] =
203{
204 { 0, 0 }, /* NIL. */
205 { 0, 4 }, /* cond2: condition in truly conditional-executed inst. */
206 { 0, 4 }, /* nzcv: flag bit specifier, encoded in the "nzcv" field. */
207 { 5, 5 }, /* defgh: d:e:f:g:h bits in AdvSIMD modified immediate. */
208 { 16, 3 }, /* abc: a:b:c bits in AdvSIMD modified immediate. */
209 { 5, 19 }, /* imm19: e.g. in CBZ. */
210 { 5, 19 }, /* immhi: e.g. in ADRP. */
211 { 29, 2 }, /* immlo: e.g. in ADRP. */
212 { 22, 2 }, /* size: in most AdvSIMD and floating-point instructions. */
213 { 10, 2 }, /* vldst_size: size field in the AdvSIMD load/store inst. */
214 { 29, 1 }, /* op: in AdvSIMD modified immediate instructions. */
215 { 30, 1 }, /* Q: in most AdvSIMD instructions. */
216 { 0, 5 }, /* Rt: in load/store instructions. */
217 { 0, 5 }, /* Rd: in many integer instructions. */
218 { 5, 5 }, /* Rn: in many integer instructions. */
219 { 10, 5 }, /* Rt2: in load/store pair instructions. */
220 { 10, 5 }, /* Ra: in fp instructions. */
221 { 5, 3 }, /* op2: in the system instructions. */
222 { 8, 4 }, /* CRm: in the system instructions. */
223 { 12, 4 }, /* CRn: in the system instructions. */
224 { 16, 3 }, /* op1: in the system instructions. */
225 { 19, 2 }, /* op0: in the system instructions. */
226 { 10, 3 }, /* imm3: in add/sub extended reg instructions. */
227 { 12, 4 }, /* cond: condition flags as a source operand. */
228 { 12, 4 }, /* opcode: in advsimd load/store instructions. */
229 { 12, 4 }, /* cmode: in advsimd modified immediate instructions. */
230 { 13, 3 }, /* asisdlso_opcode: opcode in advsimd ld/st single element. */
231 { 13, 2 }, /* len: in advsimd tbl/tbx instructions. */
232 { 16, 5 }, /* Rm: in ld/st reg offset and some integer inst. */
233 { 16, 5 }, /* Rs: in load/store exclusive instructions. */
234 { 13, 3 }, /* option: in ld/st reg offset + add/sub extended reg inst. */
235 { 12, 1 }, /* S: in load/store reg offset instructions. */
236 { 21, 2 }, /* hw: in move wide constant instructions. */
237 { 22, 2 }, /* opc: in load/store reg offset instructions. */
238 { 23, 1 }, /* opc1: in load/store reg offset instructions. */
239 { 22, 2 }, /* shift: in add/sub reg/imm shifted instructions. */
240 { 22, 2 }, /* type: floating point type field in fp data inst. */
241 { 30, 2 }, /* ldst_size: size field in ld/st reg offset inst. */
242 { 10, 6 }, /* imm6: in add/sub reg shifted instructions. */
f42f1a1d 243 { 15, 6 }, /* imm6_2: in rmif instructions. */
a06ea964 244 { 11, 4 }, /* imm4: in advsimd ext and advsimd ins instructions. */
f42f1a1d 245 { 0, 4 }, /* imm4_2: in rmif instructions. */
a06ea964
NC
246 { 16, 5 }, /* imm5: in conditional compare (immediate) instructions. */
247 { 15, 7 }, /* imm7: in load/store pair pre/post index instructions. */
248 { 13, 8 }, /* imm8: in floating-point scalar move immediate inst. */
249 { 12, 9 }, /* imm9: in load/store pre/post index instructions. */
250 { 10, 12 }, /* imm12: in ld/st unsigned imm or add/sub shifted inst. */
251 { 5, 14 }, /* imm14: in test bit and branch instructions. */
252 { 5, 16 }, /* imm16: in exception instructions. */
253 { 0, 26 }, /* imm26: in unconditional branch instructions. */
254 { 10, 6 }, /* imms: in bitfield and logical immediate instructions. */
255 { 16, 6 }, /* immr: in bitfield and logical immediate instructions. */
256 { 16, 3 }, /* immb: in advsimd shift by immediate instructions. */
257 { 19, 4 }, /* immh: in advsimd shift by immediate instructions. */
3f06e550 258 { 22, 1 }, /* S: in LDRAA and LDRAB instructions. */
a06ea964
NC
259 { 22, 1 }, /* N: in logical (immediate) instructions. */
260 { 11, 1 }, /* index: in ld/st inst deciding the pre/post-index. */
261 { 24, 1 }, /* index2: in ld/st pair inst deciding the pre/post-index. */
262 { 31, 1 }, /* sf: in integer data processing instructions. */
ee804238 263 { 30, 1 }, /* lse_size: in LSE extension atomic instructions. */
a06ea964
NC
264 { 11, 1 }, /* H: in advsimd scalar x indexed element instructions. */
265 { 21, 1 }, /* L: in advsimd scalar x indexed element instructions. */
266 { 20, 1 }, /* M: in advsimd scalar x indexed element instructions. */
267 { 31, 1 }, /* b5: in the test bit and branch instructions. */
268 { 19, 5 }, /* b40: in the test bit and branch instructions. */
269 { 10, 6 }, /* scale: in the fixed-point scalar to fp converting inst. */
116b6019
RS
270 { 4, 1 }, /* SVE_M_4: Merge/zero select, bit 4. */
271 { 14, 1 }, /* SVE_M_14: Merge/zero select, bit 14. */
272 { 16, 1 }, /* SVE_M_16: Merge/zero select, bit 16. */
e950b345 273 { 17, 1 }, /* SVE_N: SVE equivalent of N. */
f11ad6bc
RS
274 { 0, 4 }, /* SVE_Pd: p0-p15, bits [3,0]. */
275 { 10, 3 }, /* SVE_Pg3: p0-p7, bits [12,10]. */
276 { 5, 4 }, /* SVE_Pg4_5: p0-p15, bits [8,5]. */
277 { 10, 4 }, /* SVE_Pg4_10: p0-p15, bits [13,10]. */
278 { 16, 4 }, /* SVE_Pg4_16: p0-p15, bits [19,16]. */
279 { 16, 4 }, /* SVE_Pm: p0-p15, bits [19,16]. */
280 { 5, 4 }, /* SVE_Pn: p0-p15, bits [8,5]. */
281 { 0, 4 }, /* SVE_Pt: p0-p15, bits [3,0]. */
047cd301
RS
282 { 5, 5 }, /* SVE_Rm: SVE alternative position for Rm. */
283 { 16, 5 }, /* SVE_Rn: SVE alternative position for Rn. */
284 { 0, 5 }, /* SVE_Vd: Scalar SIMD&FP register, bits [4,0]. */
285 { 5, 5 }, /* SVE_Vm: Scalar SIMD&FP register, bits [9,5]. */
286 { 5, 5 }, /* SVE_Vn: Scalar SIMD&FP register, bits [9,5]. */
f11ad6bc
RS
287 { 5, 5 }, /* SVE_Za_5: SVE vector register, bits [9,5]. */
288 { 16, 5 }, /* SVE_Za_16: SVE vector register, bits [20,16]. */
289 { 0, 5 }, /* SVE_Zd: SVE vector register. bits [4,0]. */
290 { 5, 5 }, /* SVE_Zm_5: SVE vector register, bits [9,5]. */
291 { 16, 5 }, /* SVE_Zm_16: SVE vector register, bits [20,16]. */
292 { 5, 5 }, /* SVE_Zn: SVE vector register, bits [9,5]. */
293 { 0, 5 }, /* SVE_Zt: SVE vector register, bits [4,0]. */
165d4950 294 { 5, 1 }, /* SVE_i1: single-bit immediate. */
582e12bf 295 { 22, 1 }, /* SVE_i3h: high bit of 3-bit immediate. */
e950b345 296 { 16, 3 }, /* SVE_imm3: 3-bit immediate field. */
2442d846 297 { 16, 4 }, /* SVE_imm4: 4-bit immediate field. */
e950b345
RS
298 { 5, 5 }, /* SVE_imm5: 5-bit immediate field. */
299 { 16, 5 }, /* SVE_imm5b: secondary 5-bit immediate field. */
4df068de 300 { 16, 6 }, /* SVE_imm6: 6-bit immediate field. */
e950b345
RS
301 { 14, 7 }, /* SVE_imm7: 7-bit immediate field. */
302 { 5, 8 }, /* SVE_imm8: 8-bit immediate field. */
303 { 5, 9 }, /* SVE_imm9: 9-bit immediate field. */
304 { 11, 6 }, /* SVE_immr: SVE equivalent of immr. */
305 { 5, 6 }, /* SVE_imms: SVE equivalent of imms. */
4df068de 306 { 10, 2 }, /* SVE_msz: 2-bit shift amount for ADR. */
245d2e3f
RS
307 { 5, 5 }, /* SVE_pattern: vector pattern enumeration. */
308 { 0, 4 }, /* SVE_prfop: prefetch operation for SVE PRF[BHWD]. */
582e12bf
RS
309 { 16, 1 }, /* SVE_rot1: 1-bit rotation amount. */
310 { 10, 2 }, /* SVE_rot2: 2-bit rotation amount. */
116b6019
RS
311 { 22, 1 }, /* SVE_sz: 1-bit element size select. */
312 { 16, 4 }, /* SVE_tsz: triangular size select. */
f11ad6bc 313 { 22, 2 }, /* SVE_tszh: triangular size select high, bits [23,22]. */
116b6019
RS
314 { 8, 2 }, /* SVE_tszl_8: triangular size select low, bits [9,8]. */
315 { 19, 2 }, /* SVE_tszl_19: triangular size select low, bits [20,19]. */
4df068de 316 { 14, 1 }, /* SVE_xs_14: UXTW/SXTW select (bit 14). */
c2c4ff8d
SN
317 { 22, 1 }, /* SVE_xs_22: UXTW/SXTW select (bit 22). */
318 { 11, 2 }, /* rotate1: FCMLA immediate rotate. */
319 { 13, 2 }, /* rotate2: Indexed element FCMLA immediate rotate. */
320 { 12, 1 }, /* rotate3: FCADD immediate rotate. */
f42f1a1d 321 { 12, 2 }, /* SM3: Indexed element SM3 2 bits index immediate. */
a06ea964
NC
322};
323
324enum aarch64_operand_class
325aarch64_get_operand_class (enum aarch64_opnd type)
326{
327 return aarch64_operands[type].op_class;
328}
329
330const char *
331aarch64_get_operand_name (enum aarch64_opnd type)
332{
333 return aarch64_operands[type].name;
334}
335
336/* Get operand description string.
337 This is usually for the diagnosis purpose. */
338const char *
339aarch64_get_operand_desc (enum aarch64_opnd type)
340{
341 return aarch64_operands[type].desc;
342}
343
344/* Table of all conditional affixes. */
345const aarch64_cond aarch64_conds[16] =
346{
bb7eff52
RS
347 {{"eq", "none"}, 0x0},
348 {{"ne", "any"}, 0x1},
349 {{"cs", "hs", "nlast"}, 0x2},
350 {{"cc", "lo", "ul", "last"}, 0x3},
351 {{"mi", "first"}, 0x4},
352 {{"pl", "nfrst"}, 0x5},
a06ea964
NC
353 {{"vs"}, 0x6},
354 {{"vc"}, 0x7},
bb7eff52
RS
355 {{"hi", "pmore"}, 0x8},
356 {{"ls", "plast"}, 0x9},
357 {{"ge", "tcont"}, 0xa},
358 {{"lt", "tstop"}, 0xb},
a06ea964
NC
359 {{"gt"}, 0xc},
360 {{"le"}, 0xd},
361 {{"al"}, 0xe},
362 {{"nv"}, 0xf},
363};
364
365const aarch64_cond *
366get_cond_from_value (aarch64_insn value)
367{
368 assert (value < 16);
369 return &aarch64_conds[(unsigned int) value];
370}
371
372const aarch64_cond *
373get_inverted_cond (const aarch64_cond *cond)
374{
375 return &aarch64_conds[cond->value ^ 0x1];
376}
377
378/* Table describing the operand extension/shifting operators; indexed by
379 enum aarch64_modifier_kind.
380
381 The value column provides the most common values for encoding modifiers,
382 which enables table-driven encoding/decoding for the modifiers. */
383const struct aarch64_name_value_pair aarch64_operand_modifiers [] =
384{
385 {"none", 0x0},
386 {"msl", 0x0},
387 {"ror", 0x3},
388 {"asr", 0x2},
389 {"lsr", 0x1},
390 {"lsl", 0x0},
391 {"uxtb", 0x0},
392 {"uxth", 0x1},
393 {"uxtw", 0x2},
394 {"uxtx", 0x3},
395 {"sxtb", 0x4},
396 {"sxth", 0x5},
397 {"sxtw", 0x6},
398 {"sxtx", 0x7},
2442d846 399 {"mul", 0x0},
98907a70 400 {"mul vl", 0x0},
a06ea964
NC
401 {NULL, 0},
402};
403
404enum aarch64_modifier_kind
405aarch64_get_operand_modifier (const struct aarch64_name_value_pair *desc)
406{
407 return desc - aarch64_operand_modifiers;
408}
409
410aarch64_insn
411aarch64_get_operand_modifier_value (enum aarch64_modifier_kind kind)
412{
413 return aarch64_operand_modifiers[kind].value;
414}
415
416enum aarch64_modifier_kind
417aarch64_get_operand_modifier_from_value (aarch64_insn value,
418 bfd_boolean extend_p)
419{
420 if (extend_p == TRUE)
421 return AARCH64_MOD_UXTB + value;
422 else
423 return AARCH64_MOD_LSL - value;
424}
425
426bfd_boolean
427aarch64_extend_operator_p (enum aarch64_modifier_kind kind)
428{
429 return (kind > AARCH64_MOD_LSL && kind <= AARCH64_MOD_SXTX)
430 ? TRUE : FALSE;
431}
432
433static inline bfd_boolean
434aarch64_shift_operator_p (enum aarch64_modifier_kind kind)
435{
436 return (kind >= AARCH64_MOD_ROR && kind <= AARCH64_MOD_LSL)
437 ? TRUE : FALSE;
438}
439
440const struct aarch64_name_value_pair aarch64_barrier_options[16] =
441{
442 { "#0x00", 0x0 },
443 { "oshld", 0x1 },
444 { "oshst", 0x2 },
445 { "osh", 0x3 },
446 { "#0x04", 0x4 },
447 { "nshld", 0x5 },
448 { "nshst", 0x6 },
449 { "nsh", 0x7 },
450 { "#0x08", 0x8 },
451 { "ishld", 0x9 },
452 { "ishst", 0xa },
453 { "ish", 0xb },
454 { "#0x0c", 0xc },
455 { "ld", 0xd },
456 { "st", 0xe },
457 { "sy", 0xf },
458};
459
9ed608f9
MW
460/* Table describing the operands supported by the aliases of the HINT
461 instruction.
462
463 The name column is the operand that is accepted for the alias. The value
464 column is the hint number of the alias. The list of operands is terminated
465 by NULL in the name column. */
466
467const struct aarch64_name_value_pair aarch64_hint_options[] =
468{
ff605452
SD
469 /* BTI. This is also the F_DEFAULT entry for AARCH64_OPND_BTI_TARGET. */
470 { " ", HINT_ENCODE (HINT_OPD_F_NOPRINT, 0x20) },
471 { "csync", HINT_OPD_CSYNC }, /* PSB CSYNC. */
472 { "c", HINT_OPD_C }, /* BTI C. */
473 { "j", HINT_OPD_J }, /* BTI J. */
474 { "jc", HINT_OPD_JC }, /* BTI JC. */
475 { NULL, HINT_OPD_NULL },
9ed608f9
MW
476};
477
a32c3ff8 478/* op -> op: load = 0 instruction = 1 store = 2
a06ea964
NC
479 l -> level: 1-3
480 t -> temporal: temporal (retained) = 0 non-temporal (streaming) = 1 */
a32c3ff8 481#define B(op,l,t) (((op) << 3) | (((l) - 1) << 1) | (t))
a06ea964
NC
482const struct aarch64_name_value_pair aarch64_prfops[32] =
483{
484 { "pldl1keep", B(0, 1, 0) },
485 { "pldl1strm", B(0, 1, 1) },
486 { "pldl2keep", B(0, 2, 0) },
487 { "pldl2strm", B(0, 2, 1) },
488 { "pldl3keep", B(0, 3, 0) },
489 { "pldl3strm", B(0, 3, 1) },
a1ccaec9
YZ
490 { NULL, 0x06 },
491 { NULL, 0x07 },
a32c3ff8
NC
492 { "plil1keep", B(1, 1, 0) },
493 { "plil1strm", B(1, 1, 1) },
494 { "plil2keep", B(1, 2, 0) },
495 { "plil2strm", B(1, 2, 1) },
496 { "plil3keep", B(1, 3, 0) },
497 { "plil3strm", B(1, 3, 1) },
a1ccaec9
YZ
498 { NULL, 0x0e },
499 { NULL, 0x0f },
a32c3ff8
NC
500 { "pstl1keep", B(2, 1, 0) },
501 { "pstl1strm", B(2, 1, 1) },
502 { "pstl2keep", B(2, 2, 0) },
503 { "pstl2strm", B(2, 2, 1) },
504 { "pstl3keep", B(2, 3, 0) },
505 { "pstl3strm", B(2, 3, 1) },
a1ccaec9
YZ
506 { NULL, 0x16 },
507 { NULL, 0x17 },
508 { NULL, 0x18 },
509 { NULL, 0x19 },
510 { NULL, 0x1a },
511 { NULL, 0x1b },
512 { NULL, 0x1c },
513 { NULL, 0x1d },
514 { NULL, 0x1e },
515 { NULL, 0x1f },
a06ea964
NC
516};
517#undef B
518\f
519/* Utilities on value constraint. */
520
521static inline int
522value_in_range_p (int64_t value, int low, int high)
523{
524 return (value >= low && value <= high) ? 1 : 0;
525}
526
98907a70 527/* Return true if VALUE is a multiple of ALIGN. */
a06ea964
NC
528static inline int
529value_aligned_p (int64_t value, int align)
530{
98907a70 531 return (value % align) == 0;
a06ea964
NC
532}
533
534/* A signed value fits in a field. */
535static inline int
536value_fit_signed_field_p (int64_t value, unsigned width)
537{
538 assert (width < 32);
539 if (width < sizeof (value) * 8)
540 {
541 int64_t lim = (int64_t)1 << (width - 1);
542 if (value >= -lim && value < lim)
543 return 1;
544 }
545 return 0;
546}
547
548/* An unsigned value fits in a field. */
549static inline int
550value_fit_unsigned_field_p (int64_t value, unsigned width)
551{
552 assert (width < 32);
553 if (width < sizeof (value) * 8)
554 {
555 int64_t lim = (int64_t)1 << width;
556 if (value >= 0 && value < lim)
557 return 1;
558 }
559 return 0;
560}
561
562/* Return 1 if OPERAND is SP or WSP. */
563int
564aarch64_stack_pointer_p (const aarch64_opnd_info *operand)
565{
566 return ((aarch64_get_operand_class (operand->type)
567 == AARCH64_OPND_CLASS_INT_REG)
568 && operand_maybe_stack_pointer (aarch64_operands + operand->type)
569 && operand->reg.regno == 31);
570}
571
572/* Return 1 if OPERAND is XZR or WZP. */
573int
574aarch64_zero_register_p (const aarch64_opnd_info *operand)
575{
576 return ((aarch64_get_operand_class (operand->type)
577 == AARCH64_OPND_CLASS_INT_REG)
578 && !operand_maybe_stack_pointer (aarch64_operands + operand->type)
579 && operand->reg.regno == 31);
580}
581
582/* Return true if the operand *OPERAND that has the operand code
583 OPERAND->TYPE and been qualified by OPERAND->QUALIFIER can be also
584 qualified by the qualifier TARGET. */
585
586static inline int
587operand_also_qualified_p (const struct aarch64_opnd_info *operand,
588 aarch64_opnd_qualifier_t target)
589{
590 switch (operand->qualifier)
591 {
592 case AARCH64_OPND_QLF_W:
593 if (target == AARCH64_OPND_QLF_WSP && aarch64_stack_pointer_p (operand))
594 return 1;
595 break;
596 case AARCH64_OPND_QLF_X:
597 if (target == AARCH64_OPND_QLF_SP && aarch64_stack_pointer_p (operand))
598 return 1;
599 break;
600 case AARCH64_OPND_QLF_WSP:
601 if (target == AARCH64_OPND_QLF_W
602 && operand_maybe_stack_pointer (aarch64_operands + operand->type))
603 return 1;
604 break;
605 case AARCH64_OPND_QLF_SP:
606 if (target == AARCH64_OPND_QLF_X
607 && operand_maybe_stack_pointer (aarch64_operands + operand->type))
608 return 1;
609 break;
610 default:
611 break;
612 }
613
614 return 0;
615}
616
617/* Given qualifier sequence list QSEQ_LIST and the known qualifier KNOWN_QLF
618 for operand KNOWN_IDX, return the expected qualifier for operand IDX.
619
620 Return NIL if more than one expected qualifiers are found. */
621
622aarch64_opnd_qualifier_t
623aarch64_get_expected_qualifier (const aarch64_opnd_qualifier_seq_t *qseq_list,
624 int idx,
625 const aarch64_opnd_qualifier_t known_qlf,
626 int known_idx)
627{
628 int i, saved_i;
629
630 /* Special case.
631
632 When the known qualifier is NIL, we have to assume that there is only
633 one qualifier sequence in the *QSEQ_LIST and return the corresponding
634 qualifier directly. One scenario is that for instruction
635 PRFM <prfop>, [<Xn|SP>, #:lo12:<symbol>]
636 which has only one possible valid qualifier sequence
637 NIL, S_D
638 the caller may pass NIL in KNOWN_QLF to obtain S_D so that it can
639 determine the correct relocation type (i.e. LDST64_LO12) for PRFM.
640
641 Because the qualifier NIL has dual roles in the qualifier sequence:
642 it can mean no qualifier for the operand, or the qualifer sequence is
643 not in use (when all qualifiers in the sequence are NILs), we have to
644 handle this special case here. */
645 if (known_qlf == AARCH64_OPND_NIL)
646 {
647 assert (qseq_list[0][known_idx] == AARCH64_OPND_NIL);
648 return qseq_list[0][idx];
649 }
650
651 for (i = 0, saved_i = -1; i < AARCH64_MAX_QLF_SEQ_NUM; ++i)
652 {
653 if (qseq_list[i][known_idx] == known_qlf)
654 {
655 if (saved_i != -1)
656 /* More than one sequences are found to have KNOWN_QLF at
657 KNOWN_IDX. */
658 return AARCH64_OPND_NIL;
659 saved_i = i;
660 }
661 }
662
663 return qseq_list[saved_i][idx];
664}
665
666enum operand_qualifier_kind
667{
668 OQK_NIL,
669 OQK_OPD_VARIANT,
670 OQK_VALUE_IN_RANGE,
671 OQK_MISC,
672};
673
674/* Operand qualifier description. */
675struct operand_qualifier_data
676{
677 /* The usage of the three data fields depends on the qualifier kind. */
678 int data0;
679 int data1;
680 int data2;
681 /* Description. */
682 const char *desc;
683 /* Kind. */
684 enum operand_qualifier_kind kind;
685};
686
687/* Indexed by the operand qualifier enumerators. */
688struct operand_qualifier_data aarch64_opnd_qualifiers[] =
689{
690 {0, 0, 0, "NIL", OQK_NIL},
691
692 /* Operand variant qualifiers.
693 First 3 fields:
694 element size, number of elements and common value for encoding. */
695
696 {4, 1, 0x0, "w", OQK_OPD_VARIANT},
697 {8, 1, 0x1, "x", OQK_OPD_VARIANT},
698 {4, 1, 0x0, "wsp", OQK_OPD_VARIANT},
699 {8, 1, 0x1, "sp", OQK_OPD_VARIANT},
700
701 {1, 1, 0x0, "b", OQK_OPD_VARIANT},
702 {2, 1, 0x1, "h", OQK_OPD_VARIANT},
703 {4, 1, 0x2, "s", OQK_OPD_VARIANT},
704 {8, 1, 0x3, "d", OQK_OPD_VARIANT},
705 {16, 1, 0x4, "q", OQK_OPD_VARIANT},
00c2093f 706 {1, 4, 0x0, "4b", OQK_OPD_VARIANT},
a06ea964 707
a3b3345a 708 {1, 4, 0x0, "4b", OQK_OPD_VARIANT},
a06ea964
NC
709 {1, 8, 0x0, "8b", OQK_OPD_VARIANT},
710 {1, 16, 0x1, "16b", OQK_OPD_VARIANT},
3067d3b9 711 {2, 2, 0x0, "2h", OQK_OPD_VARIANT},
a06ea964
NC
712 {2, 4, 0x2, "4h", OQK_OPD_VARIANT},
713 {2, 8, 0x3, "8h", OQK_OPD_VARIANT},
714 {4, 2, 0x4, "2s", OQK_OPD_VARIANT},
715 {4, 4, 0x5, "4s", OQK_OPD_VARIANT},
716 {8, 1, 0x6, "1d", OQK_OPD_VARIANT},
717 {8, 2, 0x7, "2d", OQK_OPD_VARIANT},
718 {16, 1, 0x8, "1q", OQK_OPD_VARIANT},
719
d50c751e
RS
720 {0, 0, 0, "z", OQK_OPD_VARIANT},
721 {0, 0, 0, "m", OQK_OPD_VARIANT},
722
a06ea964
NC
723 /* Qualifiers constraining the value range.
724 First 3 fields:
725 Lower bound, higher bound, unused. */
726
a6a51754 727 {0, 15, 0, "CR", OQK_VALUE_IN_RANGE},
a06ea964
NC
728 {0, 7, 0, "imm_0_7" , OQK_VALUE_IN_RANGE},
729 {0, 15, 0, "imm_0_15", OQK_VALUE_IN_RANGE},
730 {0, 31, 0, "imm_0_31", OQK_VALUE_IN_RANGE},
731 {0, 63, 0, "imm_0_63", OQK_VALUE_IN_RANGE},
732 {1, 32, 0, "imm_1_32", OQK_VALUE_IN_RANGE},
733 {1, 64, 0, "imm_1_64", OQK_VALUE_IN_RANGE},
734
735 /* Qualifiers for miscellaneous purpose.
736 First 3 fields:
737 unused, unused and unused. */
738
739 {0, 0, 0, "lsl", 0},
740 {0, 0, 0, "msl", 0},
741
742 {0, 0, 0, "retrieving", 0},
743};
744
745static inline bfd_boolean
746operand_variant_qualifier_p (aarch64_opnd_qualifier_t qualifier)
747{
748 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_OPD_VARIANT)
749 ? TRUE : FALSE;
750}
751
752static inline bfd_boolean
753qualifier_value_in_range_constraint_p (aarch64_opnd_qualifier_t qualifier)
754{
755 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_VALUE_IN_RANGE)
756 ? TRUE : FALSE;
757}
758
759const char*
760aarch64_get_qualifier_name (aarch64_opnd_qualifier_t qualifier)
761{
762 return aarch64_opnd_qualifiers[qualifier].desc;
763}
764
765/* Given an operand qualifier, return the expected data element size
766 of a qualified operand. */
767unsigned char
768aarch64_get_qualifier_esize (aarch64_opnd_qualifier_t qualifier)
769{
770 assert (operand_variant_qualifier_p (qualifier) == TRUE);
771 return aarch64_opnd_qualifiers[qualifier].data0;
772}
773
774unsigned char
775aarch64_get_qualifier_nelem (aarch64_opnd_qualifier_t qualifier)
776{
777 assert (operand_variant_qualifier_p (qualifier) == TRUE);
778 return aarch64_opnd_qualifiers[qualifier].data1;
779}
780
781aarch64_insn
782aarch64_get_qualifier_standard_value (aarch64_opnd_qualifier_t qualifier)
783{
784 assert (operand_variant_qualifier_p (qualifier) == TRUE);
785 return aarch64_opnd_qualifiers[qualifier].data2;
786}
787
788static int
789get_lower_bound (aarch64_opnd_qualifier_t qualifier)
790{
791 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
792 return aarch64_opnd_qualifiers[qualifier].data0;
793}
794
795static int
796get_upper_bound (aarch64_opnd_qualifier_t qualifier)
797{
798 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
799 return aarch64_opnd_qualifiers[qualifier].data1;
800}
801
802#ifdef DEBUG_AARCH64
803void
804aarch64_verbose (const char *str, ...)
805{
806 va_list ap;
807 va_start (ap, str);
808 printf ("#### ");
809 vprintf (str, ap);
810 printf ("\n");
811 va_end (ap);
812}
813
814static inline void
815dump_qualifier_sequence (const aarch64_opnd_qualifier_t *qualifier)
816{
817 int i;
818 printf ("#### \t");
819 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i, ++qualifier)
820 printf ("%s,", aarch64_get_qualifier_name (*qualifier));
821 printf ("\n");
822}
823
824static void
825dump_match_qualifiers (const struct aarch64_opnd_info *opnd,
826 const aarch64_opnd_qualifier_t *qualifier)
827{
828 int i;
829 aarch64_opnd_qualifier_t curr[AARCH64_MAX_OPND_NUM];
830
831 aarch64_verbose ("dump_match_qualifiers:");
832 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
833 curr[i] = opnd[i].qualifier;
834 dump_qualifier_sequence (curr);
835 aarch64_verbose ("against");
836 dump_qualifier_sequence (qualifier);
837}
838#endif /* DEBUG_AARCH64 */
839
a68f4cd2
TC
840/* This function checks if the given instruction INSN is a destructive
841 instruction based on the usage of the registers. It does not recognize
842 unary destructive instructions. */
843bfd_boolean
844aarch64_is_destructive_by_operands (const aarch64_opcode *opcode)
845{
846 int i = 0;
847 const enum aarch64_opnd *opnds = opcode->operands;
848
849 if (opnds[0] == AARCH64_OPND_NIL)
850 return FALSE;
851
852 while (opnds[++i] != AARCH64_OPND_NIL)
853 if (opnds[i] == opnds[0])
854 return TRUE;
855
856 return FALSE;
857}
858
a06ea964
NC
859/* TODO improve this, we can have an extra field at the runtime to
860 store the number of operands rather than calculating it every time. */
861
862int
863aarch64_num_of_operands (const aarch64_opcode *opcode)
864{
865 int i = 0;
866 const enum aarch64_opnd *opnds = opcode->operands;
867 while (opnds[i++] != AARCH64_OPND_NIL)
868 ;
869 --i;
870 assert (i >= 0 && i <= AARCH64_MAX_OPND_NUM);
871 return i;
872}
873
874/* Find the best matched qualifier sequence in *QUALIFIERS_LIST for INST.
875 If succeeds, fill the found sequence in *RET, return 1; otherwise return 0.
876
877 N.B. on the entry, it is very likely that only some operands in *INST
878 have had their qualifiers been established.
879
880 If STOP_AT is not -1, the function will only try to match
881 the qualifier sequence for operands before and including the operand
882 of index STOP_AT; and on success *RET will only be filled with the first
883 (STOP_AT+1) qualifiers.
884
885 A couple examples of the matching algorithm:
886
887 X,W,NIL should match
888 X,W,NIL
889
890 NIL,NIL should match
891 X ,NIL
892
893 Apart from serving the main encoding routine, this can also be called
894 during or after the operand decoding. */
895
896int
897aarch64_find_best_match (const aarch64_inst *inst,
898 const aarch64_opnd_qualifier_seq_t *qualifiers_list,
899 int stop_at, aarch64_opnd_qualifier_t *ret)
900{
901 int found = 0;
902 int i, num_opnds;
903 const aarch64_opnd_qualifier_t *qualifiers;
904
905 num_opnds = aarch64_num_of_operands (inst->opcode);
906 if (num_opnds == 0)
907 {
908 DEBUG_TRACE ("SUCCEED: no operand");
909 return 1;
910 }
911
912 if (stop_at < 0 || stop_at >= num_opnds)
913 stop_at = num_opnds - 1;
914
915 /* For each pattern. */
916 for (i = 0; i < AARCH64_MAX_QLF_SEQ_NUM; ++i, ++qualifiers_list)
917 {
918 int j;
919 qualifiers = *qualifiers_list;
920
921 /* Start as positive. */
922 found = 1;
923
924 DEBUG_TRACE ("%d", i);
925#ifdef DEBUG_AARCH64
926 if (debug_dump)
927 dump_match_qualifiers (inst->operands, qualifiers);
928#endif
929
930 /* Most opcodes has much fewer patterns in the list.
931 First NIL qualifier indicates the end in the list. */
932 if (empty_qualifier_sequence_p (qualifiers) == TRUE)
933 {
934 DEBUG_TRACE_IF (i == 0, "SUCCEED: empty qualifier list");
935 if (i)
936 found = 0;
937 break;
938 }
939
940 for (j = 0; j < num_opnds && j <= stop_at; ++j, ++qualifiers)
941 {
942 if (inst->operands[j].qualifier == AARCH64_OPND_QLF_NIL)
943 {
944 /* Either the operand does not have qualifier, or the qualifier
945 for the operand needs to be deduced from the qualifier
946 sequence.
947 In the latter case, any constraint checking related with
948 the obtained qualifier should be done later in
949 operand_general_constraint_met_p. */
950 continue;
951 }
952 else if (*qualifiers != inst->operands[j].qualifier)
953 {
954 /* Unless the target qualifier can also qualify the operand
955 (which has already had a non-nil qualifier), non-equal
956 qualifiers are generally un-matched. */
957 if (operand_also_qualified_p (inst->operands + j, *qualifiers))
958 continue;
959 else
960 {
961 found = 0;
962 break;
963 }
964 }
965 else
966 continue; /* Equal qualifiers are certainly matched. */
967 }
968
969 /* Qualifiers established. */
970 if (found == 1)
971 break;
972 }
973
974 if (found == 1)
975 {
976 /* Fill the result in *RET. */
977 int j;
978 qualifiers = *qualifiers_list;
979
980 DEBUG_TRACE ("complete qualifiers using list %d", i);
981#ifdef DEBUG_AARCH64
982 if (debug_dump)
983 dump_qualifier_sequence (qualifiers);
984#endif
985
986 for (j = 0; j <= stop_at; ++j, ++qualifiers)
987 ret[j] = *qualifiers;
988 for (; j < AARCH64_MAX_OPND_NUM; ++j)
989 ret[j] = AARCH64_OPND_QLF_NIL;
990
991 DEBUG_TRACE ("SUCCESS");
992 return 1;
993 }
994
995 DEBUG_TRACE ("FAIL");
996 return 0;
997}
998
999/* Operand qualifier matching and resolving.
1000
1001 Return 1 if the operand qualifier(s) in *INST match one of the qualifier
1002 sequences in INST->OPCODE->qualifiers_list; otherwise return 0.
1003
1004 if UPDATE_P == TRUE, update the qualifier(s) in *INST after the matching
1005 succeeds. */
1006
1007static int
1008match_operands_qualifier (aarch64_inst *inst, bfd_boolean update_p)
1009{
4989adac 1010 int i, nops;
a06ea964
NC
1011 aarch64_opnd_qualifier_seq_t qualifiers;
1012
1013 if (!aarch64_find_best_match (inst, inst->opcode->qualifiers_list, -1,
1014 qualifiers))
1015 {
1016 DEBUG_TRACE ("matching FAIL");
1017 return 0;
1018 }
1019
4989adac
RS
1020 if (inst->opcode->flags & F_STRICT)
1021 {
1022 /* Require an exact qualifier match, even for NIL qualifiers. */
1023 nops = aarch64_num_of_operands (inst->opcode);
1024 for (i = 0; i < nops; ++i)
1025 if (inst->operands[i].qualifier != qualifiers[i])
1026 return FALSE;
1027 }
1028
a06ea964
NC
1029 /* Update the qualifiers. */
1030 if (update_p == TRUE)
1031 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
1032 {
1033 if (inst->opcode->operands[i] == AARCH64_OPND_NIL)
1034 break;
1035 DEBUG_TRACE_IF (inst->operands[i].qualifier != qualifiers[i],
1036 "update %s with %s for operand %d",
1037 aarch64_get_qualifier_name (inst->operands[i].qualifier),
1038 aarch64_get_qualifier_name (qualifiers[i]), i);
1039 inst->operands[i].qualifier = qualifiers[i];
1040 }
1041
1042 DEBUG_TRACE ("matching SUCCESS");
1043 return 1;
1044}
1045
1046/* Return TRUE if VALUE is a wide constant that can be moved into a general
1047 register by MOVZ.
1048
1049 IS32 indicates whether value is a 32-bit immediate or not.
1050 If SHIFT_AMOUNT is not NULL, on the return of TRUE, the logical left shift
1051 amount will be returned in *SHIFT_AMOUNT. */
1052
1053bfd_boolean
1054aarch64_wide_constant_p (int64_t value, int is32, unsigned int *shift_amount)
1055{
1056 int amount;
1057
1058 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
1059
1060 if (is32)
1061 {
1062 /* Allow all zeros or all ones in top 32-bits, so that
1063 32-bit constant expressions like ~0x80000000 are
1064 permitted. */
1065 uint64_t ext = value;
1066 if (ext >> 32 != 0 && ext >> 32 != (uint64_t) 0xffffffff)
1067 /* Immediate out of range. */
1068 return FALSE;
1069 value &= (int64_t) 0xffffffff;
1070 }
1071
1072 /* first, try movz then movn */
1073 amount = -1;
1074 if ((value & ((int64_t) 0xffff << 0)) == value)
1075 amount = 0;
1076 else if ((value & ((int64_t) 0xffff << 16)) == value)
1077 amount = 16;
1078 else if (!is32 && (value & ((int64_t) 0xffff << 32)) == value)
1079 amount = 32;
1080 else if (!is32 && (value & ((int64_t) 0xffff << 48)) == value)
1081 amount = 48;
1082
1083 if (amount == -1)
1084 {
1085 DEBUG_TRACE ("exit FALSE with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
1086 return FALSE;
1087 }
1088
1089 if (shift_amount != NULL)
1090 *shift_amount = amount;
1091
1092 DEBUG_TRACE ("exit TRUE with amount %d", amount);
1093
1094 return TRUE;
1095}
1096
1097/* Build the accepted values for immediate logical SIMD instructions.
1098
1099 The standard encodings of the immediate value are:
1100 N imms immr SIMD size R S
1101 1 ssssss rrrrrr 64 UInt(rrrrrr) UInt(ssssss)
1102 0 0sssss 0rrrrr 32 UInt(rrrrr) UInt(sssss)
1103 0 10ssss 00rrrr 16 UInt(rrrr) UInt(ssss)
1104 0 110sss 000rrr 8 UInt(rrr) UInt(sss)
1105 0 1110ss 0000rr 4 UInt(rr) UInt(ss)
1106 0 11110s 00000r 2 UInt(r) UInt(s)
1107 where all-ones value of S is reserved.
1108
1109 Let's call E the SIMD size.
1110
1111 The immediate value is: S+1 bits '1' rotated to the right by R.
1112
1113 The total of valid encodings is 64*63 + 32*31 + ... + 2*1 = 5334
1114 (remember S != E - 1). */
1115
1116#define TOTAL_IMM_NB 5334
1117
1118typedef struct
1119{
1120 uint64_t imm;
1121 aarch64_insn encoding;
1122} simd_imm_encoding;
1123
1124static simd_imm_encoding simd_immediates[TOTAL_IMM_NB];
1125
1126static int
1127simd_imm_encoding_cmp(const void *i1, const void *i2)
1128{
1129 const simd_imm_encoding *imm1 = (const simd_imm_encoding *)i1;
1130 const simd_imm_encoding *imm2 = (const simd_imm_encoding *)i2;
1131
1132 if (imm1->imm < imm2->imm)
1133 return -1;
1134 if (imm1->imm > imm2->imm)
1135 return +1;
1136 return 0;
1137}
1138
1139/* immediate bitfield standard encoding
1140 imm13<12> imm13<5:0> imm13<11:6> SIMD size R S
1141 1 ssssss rrrrrr 64 rrrrrr ssssss
1142 0 0sssss 0rrrrr 32 rrrrr sssss
1143 0 10ssss 00rrrr 16 rrrr ssss
1144 0 110sss 000rrr 8 rrr sss
1145 0 1110ss 0000rr 4 rr ss
1146 0 11110s 00000r 2 r s */
1147static inline int
1148encode_immediate_bitfield (int is64, uint32_t s, uint32_t r)
1149{
1150 return (is64 << 12) | (r << 6) | s;
1151}
1152
1153static void
1154build_immediate_table (void)
1155{
1156 uint32_t log_e, e, s, r, s_mask;
1157 uint64_t mask, imm;
1158 int nb_imms;
1159 int is64;
1160
1161 nb_imms = 0;
1162 for (log_e = 1; log_e <= 6; log_e++)
1163 {
1164 /* Get element size. */
1165 e = 1u << log_e;
1166 if (log_e == 6)
1167 {
1168 is64 = 1;
1169 mask = 0xffffffffffffffffull;
1170 s_mask = 0;
1171 }
1172 else
1173 {
1174 is64 = 0;
1175 mask = (1ull << e) - 1;
1176 /* log_e s_mask
1177 1 ((1 << 4) - 1) << 2 = 111100
1178 2 ((1 << 3) - 1) << 3 = 111000
1179 3 ((1 << 2) - 1) << 4 = 110000
1180 4 ((1 << 1) - 1) << 5 = 100000
1181 5 ((1 << 0) - 1) << 6 = 000000 */
1182 s_mask = ((1u << (5 - log_e)) - 1) << (log_e + 1);
1183 }
1184 for (s = 0; s < e - 1; s++)
1185 for (r = 0; r < e; r++)
1186 {
1187 /* s+1 consecutive bits to 1 (s < 63) */
1188 imm = (1ull << (s + 1)) - 1;
1189 /* rotate right by r */
1190 if (r != 0)
1191 imm = (imm >> r) | ((imm << (e - r)) & mask);
1192 /* replicate the constant depending on SIMD size */
1193 switch (log_e)
1194 {
1195 case 1: imm = (imm << 2) | imm;
1a0670f3 1196 /* Fall through. */
a06ea964 1197 case 2: imm = (imm << 4) | imm;
1a0670f3 1198 /* Fall through. */
a06ea964 1199 case 3: imm = (imm << 8) | imm;
1a0670f3 1200 /* Fall through. */
a06ea964 1201 case 4: imm = (imm << 16) | imm;
1a0670f3 1202 /* Fall through. */
a06ea964 1203 case 5: imm = (imm << 32) | imm;
1a0670f3 1204 /* Fall through. */
a06ea964
NC
1205 case 6: break;
1206 default: abort ();
1207 }
1208 simd_immediates[nb_imms].imm = imm;
1209 simd_immediates[nb_imms].encoding =
1210 encode_immediate_bitfield(is64, s | s_mask, r);
1211 nb_imms++;
1212 }
1213 }
1214 assert (nb_imms == TOTAL_IMM_NB);
1215 qsort(simd_immediates, nb_imms,
1216 sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
1217}
1218
1219/* Return TRUE if VALUE is a valid logical immediate, i.e. bitmask, that can
1220 be accepted by logical (immediate) instructions
1221 e.g. ORR <Xd|SP>, <Xn>, #<imm>.
1222
42408347 1223 ESIZE is the number of bytes in the decoded immediate value.
a06ea964
NC
1224 If ENCODING is not NULL, on the return of TRUE, the standard encoding for
1225 VALUE will be returned in *ENCODING. */
1226
1227bfd_boolean
42408347 1228aarch64_logical_immediate_p (uint64_t value, int esize, aarch64_insn *encoding)
a06ea964
NC
1229{
1230 simd_imm_encoding imm_enc;
1231 const simd_imm_encoding *imm_encoding;
1232 static bfd_boolean initialized = FALSE;
42408347
RS
1233 uint64_t upper;
1234 int i;
a06ea964 1235
957f6b39
TC
1236 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 "), esize: %d", value,
1237 value, esize);
a06ea964 1238
535b785f 1239 if (!initialized)
a06ea964
NC
1240 {
1241 build_immediate_table ();
1242 initialized = TRUE;
1243 }
1244
42408347
RS
1245 /* Allow all zeros or all ones in top bits, so that
1246 constant expressions like ~1 are permitted. */
1247 upper = (uint64_t) -1 << (esize * 4) << (esize * 4);
1248 if ((value & ~upper) != value && (value | upper) != value)
1249 return FALSE;
7e105031 1250
42408347
RS
1251 /* Replicate to a full 64-bit value. */
1252 value &= ~upper;
1253 for (i = esize * 8; i < 64; i *= 2)
1254 value |= (value << i);
a06ea964
NC
1255
1256 imm_enc.imm = value;
1257 imm_encoding = (const simd_imm_encoding *)
1258 bsearch(&imm_enc, simd_immediates, TOTAL_IMM_NB,
1259 sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
1260 if (imm_encoding == NULL)
1261 {
1262 DEBUG_TRACE ("exit with FALSE");
1263 return FALSE;
1264 }
1265 if (encoding != NULL)
1266 *encoding = imm_encoding->encoding;
1267 DEBUG_TRACE ("exit with TRUE");
1268 return TRUE;
1269}
1270
1271/* If 64-bit immediate IMM is in the format of
1272 "aaaaaaaabbbbbbbbccccccccddddddddeeeeeeeeffffffffgggggggghhhhhhhh",
1273 where a, b, c, d, e, f, g and h are independently 0 or 1, return an integer
1274 of value "abcdefgh". Otherwise return -1. */
1275int
1276aarch64_shrink_expanded_imm8 (uint64_t imm)
1277{
1278 int i, ret;
1279 uint32_t byte;
1280
1281 ret = 0;
1282 for (i = 0; i < 8; i++)
1283 {
1284 byte = (imm >> (8 * i)) & 0xff;
1285 if (byte == 0xff)
1286 ret |= 1 << i;
1287 else if (byte != 0x00)
1288 return -1;
1289 }
1290 return ret;
1291}
1292
1293/* Utility inline functions for operand_general_constraint_met_p. */
1294
1295static inline void
1296set_error (aarch64_operand_error *mismatch_detail,
1297 enum aarch64_operand_error_kind kind, int idx,
1298 const char* error)
1299{
1300 if (mismatch_detail == NULL)
1301 return;
1302 mismatch_detail->kind = kind;
1303 mismatch_detail->index = idx;
1304 mismatch_detail->error = error;
1305}
1306
4e50d5f8
YZ
1307static inline void
1308set_syntax_error (aarch64_operand_error *mismatch_detail, int idx,
1309 const char* error)
1310{
1311 if (mismatch_detail == NULL)
1312 return;
1313 set_error (mismatch_detail, AARCH64_OPDE_SYNTAX_ERROR, idx, error);
1314}
1315
a06ea964
NC
1316static inline void
1317set_out_of_range_error (aarch64_operand_error *mismatch_detail,
1318 int idx, int lower_bound, int upper_bound,
1319 const char* error)
1320{
1321 if (mismatch_detail == NULL)
1322 return;
1323 set_error (mismatch_detail, AARCH64_OPDE_OUT_OF_RANGE, idx, error);
1324 mismatch_detail->data[0] = lower_bound;
1325 mismatch_detail->data[1] = upper_bound;
1326}
1327
1328static inline void
1329set_imm_out_of_range_error (aarch64_operand_error *mismatch_detail,
1330 int idx, int lower_bound, int upper_bound)
1331{
1332 if (mismatch_detail == NULL)
1333 return;
1334 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1335 _("immediate value"));
1336}
1337
1338static inline void
1339set_offset_out_of_range_error (aarch64_operand_error *mismatch_detail,
1340 int idx, int lower_bound, int upper_bound)
1341{
1342 if (mismatch_detail == NULL)
1343 return;
1344 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1345 _("immediate offset"));
1346}
1347
1348static inline void
1349set_regno_out_of_range_error (aarch64_operand_error *mismatch_detail,
1350 int idx, int lower_bound, int upper_bound)
1351{
1352 if (mismatch_detail == NULL)
1353 return;
1354 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1355 _("register number"));
1356}
1357
1358static inline void
1359set_elem_idx_out_of_range_error (aarch64_operand_error *mismatch_detail,
1360 int idx, int lower_bound, int upper_bound)
1361{
1362 if (mismatch_detail == NULL)
1363 return;
1364 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1365 _("register element index"));
1366}
1367
1368static inline void
1369set_sft_amount_out_of_range_error (aarch64_operand_error *mismatch_detail,
1370 int idx, int lower_bound, int upper_bound)
1371{
1372 if (mismatch_detail == NULL)
1373 return;
1374 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1375 _("shift amount"));
1376}
1377
2442d846
RS
1378/* Report that the MUL modifier in operand IDX should be in the range
1379 [LOWER_BOUND, UPPER_BOUND]. */
1380static inline void
1381set_multiplier_out_of_range_error (aarch64_operand_error *mismatch_detail,
1382 int idx, int lower_bound, int upper_bound)
1383{
1384 if (mismatch_detail == NULL)
1385 return;
1386 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1387 _("multiplier"));
1388}
1389
a06ea964
NC
1390static inline void
1391set_unaligned_error (aarch64_operand_error *mismatch_detail, int idx,
1392 int alignment)
1393{
1394 if (mismatch_detail == NULL)
1395 return;
1396 set_error (mismatch_detail, AARCH64_OPDE_UNALIGNED, idx, NULL);
1397 mismatch_detail->data[0] = alignment;
1398}
1399
1400static inline void
1401set_reg_list_error (aarch64_operand_error *mismatch_detail, int idx,
1402 int expected_num)
1403{
1404 if (mismatch_detail == NULL)
1405 return;
1406 set_error (mismatch_detail, AARCH64_OPDE_REG_LIST, idx, NULL);
1407 mismatch_detail->data[0] = expected_num;
1408}
1409
1410static inline void
1411set_other_error (aarch64_operand_error *mismatch_detail, int idx,
1412 const char* error)
1413{
1414 if (mismatch_detail == NULL)
1415 return;
1416 set_error (mismatch_detail, AARCH64_OPDE_OTHER_ERROR, idx, error);
1417}
1418
1419/* General constraint checking based on operand code.
1420
1421 Return 1 if OPNDS[IDX] meets the general constraint of operand code TYPE
1422 as the IDXth operand of opcode OPCODE. Otherwise return 0.
1423
1424 This function has to be called after the qualifiers for all operands
1425 have been resolved.
1426
1427 Mismatching error message is returned in *MISMATCH_DETAIL upon request,
1428 i.e. when MISMATCH_DETAIL is non-NULL. This avoids the generation
1429 of error message during the disassembling where error message is not
1430 wanted. We avoid the dynamic construction of strings of error messages
1431 here (i.e. in libopcodes), as it is costly and complicated; instead, we
1432 use a combination of error code, static string and some integer data to
1433 represent an error. */
1434
1435static int
1436operand_general_constraint_met_p (const aarch64_opnd_info *opnds, int idx,
1437 enum aarch64_opnd type,
1438 const aarch64_opcode *opcode,
1439 aarch64_operand_error *mismatch_detail)
1440{
e950b345 1441 unsigned num, modifiers, shift;
a06ea964 1442 unsigned char size;
4df068de 1443 int64_t imm, min_value, max_value;
e950b345 1444 uint64_t uvalue, mask;
a06ea964
NC
1445 const aarch64_opnd_info *opnd = opnds + idx;
1446 aarch64_opnd_qualifier_t qualifier = opnd->qualifier;
1447
1448 assert (opcode->operands[idx] == opnd->type && opnd->type == type);
1449
1450 switch (aarch64_operands[type].op_class)
1451 {
1452 case AARCH64_OPND_CLASS_INT_REG:
ee804238
JW
1453 /* Check pair reg constraints for cas* instructions. */
1454 if (type == AARCH64_OPND_PAIRREG)
1455 {
1456 assert (idx == 1 || idx == 3);
1457 if (opnds[idx - 1].reg.regno % 2 != 0)
1458 {
1459 set_syntax_error (mismatch_detail, idx - 1,
1460 _("reg pair must start from even reg"));
1461 return 0;
1462 }
1463 if (opnds[idx].reg.regno != opnds[idx - 1].reg.regno + 1)
1464 {
1465 set_syntax_error (mismatch_detail, idx,
1466 _("reg pair must be contiguous"));
1467 return 0;
1468 }
1469 break;
1470 }
1471
a06ea964
NC
1472 /* <Xt> may be optional in some IC and TLBI instructions. */
1473 if (type == AARCH64_OPND_Rt_SYS)
1474 {
1475 assert (idx == 1 && (aarch64_get_operand_class (opnds[0].type)
1476 == AARCH64_OPND_CLASS_SYSTEM));
ea2deeec
MW
1477 if (opnds[1].present
1478 && !aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op))
a06ea964
NC
1479 {
1480 set_other_error (mismatch_detail, idx, _("extraneous register"));
1481 return 0;
1482 }
ea2deeec
MW
1483 if (!opnds[1].present
1484 && aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op))
a06ea964
NC
1485 {
1486 set_other_error (mismatch_detail, idx, _("missing register"));
1487 return 0;
1488 }
1489 }
1490 switch (qualifier)
1491 {
1492 case AARCH64_OPND_QLF_WSP:
1493 case AARCH64_OPND_QLF_SP:
1494 if (!aarch64_stack_pointer_p (opnd))
1495 {
1496 set_other_error (mismatch_detail, idx,
1497 _("stack pointer register expected"));
1498 return 0;
1499 }
1500 break;
1501 default:
1502 break;
1503 }
1504 break;
1505
f11ad6bc
RS
1506 case AARCH64_OPND_CLASS_SVE_REG:
1507 switch (type)
1508 {
582e12bf
RS
1509 case AARCH64_OPND_SVE_Zm3_INDEX:
1510 case AARCH64_OPND_SVE_Zm3_22_INDEX:
1511 case AARCH64_OPND_SVE_Zm4_INDEX:
1512 size = get_operand_fields_width (get_operand_from_code (type));
1513 shift = get_operand_specific_data (&aarch64_operands[type]);
1514 mask = (1 << shift) - 1;
1515 if (opnd->reg.regno > mask)
1516 {
1517 assert (mask == 7 || mask == 15);
1518 set_other_error (mismatch_detail, idx,
1519 mask == 15
1520 ? _("z0-z15 expected")
1521 : _("z0-z7 expected"));
1522 return 0;
1523 }
1524 mask = (1 << (size - shift)) - 1;
1525 if (!value_in_range_p (opnd->reglane.index, 0, mask))
1526 {
1527 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, mask);
1528 return 0;
1529 }
1530 break;
1531
f11ad6bc
RS
1532 case AARCH64_OPND_SVE_Zn_INDEX:
1533 size = aarch64_get_qualifier_esize (opnd->qualifier);
1534 if (!value_in_range_p (opnd->reglane.index, 0, 64 / size - 1))
1535 {
1536 set_elem_idx_out_of_range_error (mismatch_detail, idx,
1537 0, 64 / size - 1);
1538 return 0;
1539 }
1540 break;
1541
1542 case AARCH64_OPND_SVE_ZnxN:
1543 case AARCH64_OPND_SVE_ZtxN:
1544 if (opnd->reglist.num_regs != get_opcode_dependent_value (opcode))
1545 {
1546 set_other_error (mismatch_detail, idx,
1547 _("invalid register list"));
1548 return 0;
1549 }
1550 break;
1551
1552 default:
1553 break;
1554 }
1555 break;
1556
1557 case AARCH64_OPND_CLASS_PRED_REG:
1558 if (opnd->reg.regno >= 8
1559 && get_operand_fields_width (get_operand_from_code (type)) == 3)
1560 {
1561 set_other_error (mismatch_detail, idx, _("p0-p7 expected"));
1562 return 0;
1563 }
1564 break;
1565
68a64283
YZ
1566 case AARCH64_OPND_CLASS_COND:
1567 if (type == AARCH64_OPND_COND1
1568 && (opnds[idx].cond->value & 0xe) == 0xe)
1569 {
1570 /* Not allow AL or NV. */
1571 set_syntax_error (mismatch_detail, idx, NULL);
1572 }
1573 break;
1574
a06ea964
NC
1575 case AARCH64_OPND_CLASS_ADDRESS:
1576 /* Check writeback. */
1577 switch (opcode->iclass)
1578 {
1579 case ldst_pos:
1580 case ldst_unscaled:
1581 case ldstnapair_offs:
1582 case ldstpair_off:
1583 case ldst_unpriv:
1584 if (opnd->addr.writeback == 1)
1585 {
4e50d5f8
YZ
1586 set_syntax_error (mismatch_detail, idx,
1587 _("unexpected address writeback"));
a06ea964
NC
1588 return 0;
1589 }
1590 break;
3f06e550
SN
1591 case ldst_imm10:
1592 if (opnd->addr.writeback == 1 && opnd->addr.preind != 1)
1593 {
1594 set_syntax_error (mismatch_detail, idx,
1595 _("unexpected address writeback"));
1596 return 0;
1597 }
1598 break;
a06ea964
NC
1599 case ldst_imm9:
1600 case ldstpair_indexed:
1601 case asisdlsep:
1602 case asisdlsop:
1603 if (opnd->addr.writeback == 0)
1604 {
4e50d5f8
YZ
1605 set_syntax_error (mismatch_detail, idx,
1606 _("address writeback expected"));
a06ea964
NC
1607 return 0;
1608 }
1609 break;
1610 default:
1611 assert (opnd->addr.writeback == 0);
1612 break;
1613 }
1614 switch (type)
1615 {
1616 case AARCH64_OPND_ADDR_SIMM7:
1617 /* Scaled signed 7 bits immediate offset. */
1618 /* Get the size of the data element that is accessed, which may be
1619 different from that of the source register size,
1620 e.g. in strb/ldrb. */
1621 size = aarch64_get_qualifier_esize (opnd->qualifier);
1622 if (!value_in_range_p (opnd->addr.offset.imm, -64 * size, 63 * size))
1623 {
1624 set_offset_out_of_range_error (mismatch_detail, idx,
1625 -64 * size, 63 * size);
1626 return 0;
1627 }
1628 if (!value_aligned_p (opnd->addr.offset.imm, size))
1629 {
1630 set_unaligned_error (mismatch_detail, idx, size);
1631 return 0;
1632 }
1633 break;
f42f1a1d 1634 case AARCH64_OPND_ADDR_OFFSET:
a06ea964
NC
1635 case AARCH64_OPND_ADDR_SIMM9:
1636 /* Unscaled signed 9 bits immediate offset. */
1637 if (!value_in_range_p (opnd->addr.offset.imm, -256, 255))
1638 {
1639 set_offset_out_of_range_error (mismatch_detail, idx, -256, 255);
1640 return 0;
1641 }
1642 break;
1643
1644 case AARCH64_OPND_ADDR_SIMM9_2:
1645 /* Unscaled signed 9 bits immediate offset, which has to be negative
1646 or unaligned. */
1647 size = aarch64_get_qualifier_esize (qualifier);
1648 if ((value_in_range_p (opnd->addr.offset.imm, 0, 255)
1649 && !value_aligned_p (opnd->addr.offset.imm, size))
1650 || value_in_range_p (opnd->addr.offset.imm, -256, -1))
1651 return 1;
1652 set_other_error (mismatch_detail, idx,
1653 _("negative or unaligned offset expected"));
1654 return 0;
1655
3f06e550
SN
1656 case AARCH64_OPND_ADDR_SIMM10:
1657 /* Scaled signed 10 bits immediate offset. */
1658 if (!value_in_range_p (opnd->addr.offset.imm, -4096, 4088))
1659 {
1660 set_offset_out_of_range_error (mismatch_detail, idx, -4096, 4088);
1661 return 0;
1662 }
1663 if (!value_aligned_p (opnd->addr.offset.imm, 8))
1664 {
1665 set_unaligned_error (mismatch_detail, idx, 8);
1666 return 0;
1667 }
1668 break;
1669
a06ea964
NC
1670 case AARCH64_OPND_SIMD_ADDR_POST:
1671 /* AdvSIMD load/store multiple structures, post-index. */
1672 assert (idx == 1);
1673 if (opnd->addr.offset.is_reg)
1674 {
1675 if (value_in_range_p (opnd->addr.offset.regno, 0, 30))
1676 return 1;
1677 else
1678 {
1679 set_other_error (mismatch_detail, idx,
1680 _("invalid register offset"));
1681 return 0;
1682 }
1683 }
1684 else
1685 {
1686 const aarch64_opnd_info *prev = &opnds[idx-1];
1687 unsigned num_bytes; /* total number of bytes transferred. */
1688 /* The opcode dependent area stores the number of elements in
1689 each structure to be loaded/stored. */
1690 int is_ld1r = get_opcode_dependent_value (opcode) == 1;
1691 if (opcode->operands[0] == AARCH64_OPND_LVt_AL)
1692 /* Special handling of loading single structure to all lane. */
1693 num_bytes = (is_ld1r ? 1 : prev->reglist.num_regs)
1694 * aarch64_get_qualifier_esize (prev->qualifier);
1695 else
1696 num_bytes = prev->reglist.num_regs
1697 * aarch64_get_qualifier_esize (prev->qualifier)
1698 * aarch64_get_qualifier_nelem (prev->qualifier);
1699 if ((int) num_bytes != opnd->addr.offset.imm)
1700 {
1701 set_other_error (mismatch_detail, idx,
1702 _("invalid post-increment amount"));
1703 return 0;
1704 }
1705 }
1706 break;
1707
1708 case AARCH64_OPND_ADDR_REGOFF:
1709 /* Get the size of the data element that is accessed, which may be
1710 different from that of the source register size,
1711 e.g. in strb/ldrb. */
1712 size = aarch64_get_qualifier_esize (opnd->qualifier);
1713 /* It is either no shift or shift by the binary logarithm of SIZE. */
1714 if (opnd->shifter.amount != 0
1715 && opnd->shifter.amount != (int)get_logsz (size))
1716 {
1717 set_other_error (mismatch_detail, idx,
1718 _("invalid shift amount"));
1719 return 0;
1720 }
1721 /* Only UXTW, LSL, SXTW and SXTX are the accepted extending
1722 operators. */
1723 switch (opnd->shifter.kind)
1724 {
1725 case AARCH64_MOD_UXTW:
1726 case AARCH64_MOD_LSL:
1727 case AARCH64_MOD_SXTW:
1728 case AARCH64_MOD_SXTX: break;
1729 default:
1730 set_other_error (mismatch_detail, idx,
1731 _("invalid extend/shift operator"));
1732 return 0;
1733 }
1734 break;
1735
1736 case AARCH64_OPND_ADDR_UIMM12:
1737 imm = opnd->addr.offset.imm;
1738 /* Get the size of the data element that is accessed, which may be
1739 different from that of the source register size,
1740 e.g. in strb/ldrb. */
1741 size = aarch64_get_qualifier_esize (qualifier);
1742 if (!value_in_range_p (opnd->addr.offset.imm, 0, 4095 * size))
1743 {
1744 set_offset_out_of_range_error (mismatch_detail, idx,
1745 0, 4095 * size);
1746 return 0;
1747 }
9de794e1 1748 if (!value_aligned_p (opnd->addr.offset.imm, size))
a06ea964
NC
1749 {
1750 set_unaligned_error (mismatch_detail, idx, size);
1751 return 0;
1752 }
1753 break;
1754
1755 case AARCH64_OPND_ADDR_PCREL14:
1756 case AARCH64_OPND_ADDR_PCREL19:
1757 case AARCH64_OPND_ADDR_PCREL21:
1758 case AARCH64_OPND_ADDR_PCREL26:
1759 imm = opnd->imm.value;
1760 if (operand_need_shift_by_two (get_operand_from_code (type)))
1761 {
1762 /* The offset value in a PC-relative branch instruction is alway
1763 4-byte aligned and is encoded without the lowest 2 bits. */
1764 if (!value_aligned_p (imm, 4))
1765 {
1766 set_unaligned_error (mismatch_detail, idx, 4);
1767 return 0;
1768 }
1769 /* Right shift by 2 so that we can carry out the following check
1770 canonically. */
1771 imm >>= 2;
1772 }
1773 size = get_operand_fields_width (get_operand_from_code (type));
1774 if (!value_fit_signed_field_p (imm, size))
1775 {
1776 set_other_error (mismatch_detail, idx,
1777 _("immediate out of range"));
1778 return 0;
1779 }
1780 break;
1781
98907a70
RS
1782 case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
1783 case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
1784 case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
1785 case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL:
1786 min_value = -8;
1787 max_value = 7;
1788 sve_imm_offset_vl:
1789 assert (!opnd->addr.offset.is_reg);
1790 assert (opnd->addr.preind);
1791 num = 1 + get_operand_specific_data (&aarch64_operands[type]);
1792 min_value *= num;
1793 max_value *= num;
1794 if ((opnd->addr.offset.imm != 0 && !opnd->shifter.operator_present)
1795 || (opnd->shifter.operator_present
1796 && opnd->shifter.kind != AARCH64_MOD_MUL_VL))
1797 {
1798 set_other_error (mismatch_detail, idx,
1799 _("invalid addressing mode"));
1800 return 0;
1801 }
1802 if (!value_in_range_p (opnd->addr.offset.imm, min_value, max_value))
1803 {
1804 set_offset_out_of_range_error (mismatch_detail, idx,
1805 min_value, max_value);
1806 return 0;
1807 }
1808 if (!value_aligned_p (opnd->addr.offset.imm, num))
1809 {
1810 set_unaligned_error (mismatch_detail, idx, num);
1811 return 0;
1812 }
1813 break;
1814
1815 case AARCH64_OPND_SVE_ADDR_RI_S6xVL:
1816 min_value = -32;
1817 max_value = 31;
1818 goto sve_imm_offset_vl;
1819
1820 case AARCH64_OPND_SVE_ADDR_RI_S9xVL:
1821 min_value = -256;
1822 max_value = 255;
1823 goto sve_imm_offset_vl;
1824
4df068de
RS
1825 case AARCH64_OPND_SVE_ADDR_RI_U6:
1826 case AARCH64_OPND_SVE_ADDR_RI_U6x2:
1827 case AARCH64_OPND_SVE_ADDR_RI_U6x4:
1828 case AARCH64_OPND_SVE_ADDR_RI_U6x8:
1829 min_value = 0;
1830 max_value = 63;
1831 sve_imm_offset:
1832 assert (!opnd->addr.offset.is_reg);
1833 assert (opnd->addr.preind);
1834 num = 1 << get_operand_specific_data (&aarch64_operands[type]);
1835 min_value *= num;
1836 max_value *= num;
1837 if (opnd->shifter.operator_present
1838 || opnd->shifter.amount_present)
1839 {
1840 set_other_error (mismatch_detail, idx,
1841 _("invalid addressing mode"));
1842 return 0;
1843 }
1844 if (!value_in_range_p (opnd->addr.offset.imm, min_value, max_value))
1845 {
1846 set_offset_out_of_range_error (mismatch_detail, idx,
1847 min_value, max_value);
1848 return 0;
1849 }
1850 if (!value_aligned_p (opnd->addr.offset.imm, num))
1851 {
1852 set_unaligned_error (mismatch_detail, idx, num);
1853 return 0;
1854 }
1855 break;
1856
582e12bf
RS
1857 case AARCH64_OPND_SVE_ADDR_RI_S4x16:
1858 min_value = -8;
1859 max_value = 7;
1860 goto sve_imm_offset;
1861
c8d59609 1862 case AARCH64_OPND_SVE_ADDR_R:
4df068de
RS
1863 case AARCH64_OPND_SVE_ADDR_RR:
1864 case AARCH64_OPND_SVE_ADDR_RR_LSL1:
1865 case AARCH64_OPND_SVE_ADDR_RR_LSL2:
1866 case AARCH64_OPND_SVE_ADDR_RR_LSL3:
1867 case AARCH64_OPND_SVE_ADDR_RX:
1868 case AARCH64_OPND_SVE_ADDR_RX_LSL1:
1869 case AARCH64_OPND_SVE_ADDR_RX_LSL2:
1870 case AARCH64_OPND_SVE_ADDR_RX_LSL3:
1871 case AARCH64_OPND_SVE_ADDR_RZ:
1872 case AARCH64_OPND_SVE_ADDR_RZ_LSL1:
1873 case AARCH64_OPND_SVE_ADDR_RZ_LSL2:
1874 case AARCH64_OPND_SVE_ADDR_RZ_LSL3:
1875 modifiers = 1 << AARCH64_MOD_LSL;
1876 sve_rr_operand:
1877 assert (opnd->addr.offset.is_reg);
1878 assert (opnd->addr.preind);
1879 if ((aarch64_operands[type].flags & OPD_F_NO_ZR) != 0
1880 && opnd->addr.offset.regno == 31)
1881 {
1882 set_other_error (mismatch_detail, idx,
1883 _("index register xzr is not allowed"));
1884 return 0;
1885 }
1886 if (((1 << opnd->shifter.kind) & modifiers) == 0
1887 || (opnd->shifter.amount
1888 != get_operand_specific_data (&aarch64_operands[type])))
1889 {
1890 set_other_error (mismatch_detail, idx,
1891 _("invalid addressing mode"));
1892 return 0;
1893 }
1894 break;
1895
1896 case AARCH64_OPND_SVE_ADDR_RZ_XTW_14:
1897 case AARCH64_OPND_SVE_ADDR_RZ_XTW_22:
1898 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_14:
1899 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_22:
1900 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_14:
1901 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_22:
1902 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_14:
1903 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_22:
1904 modifiers = (1 << AARCH64_MOD_SXTW) | (1 << AARCH64_MOD_UXTW);
1905 goto sve_rr_operand;
1906
1907 case AARCH64_OPND_SVE_ADDR_ZI_U5:
1908 case AARCH64_OPND_SVE_ADDR_ZI_U5x2:
1909 case AARCH64_OPND_SVE_ADDR_ZI_U5x4:
1910 case AARCH64_OPND_SVE_ADDR_ZI_U5x8:
1911 min_value = 0;
1912 max_value = 31;
1913 goto sve_imm_offset;
1914
1915 case AARCH64_OPND_SVE_ADDR_ZZ_LSL:
1916 modifiers = 1 << AARCH64_MOD_LSL;
1917 sve_zz_operand:
1918 assert (opnd->addr.offset.is_reg);
1919 assert (opnd->addr.preind);
1920 if (((1 << opnd->shifter.kind) & modifiers) == 0
1921 || opnd->shifter.amount < 0
1922 || opnd->shifter.amount > 3)
1923 {
1924 set_other_error (mismatch_detail, idx,
1925 _("invalid addressing mode"));
1926 return 0;
1927 }
1928 break;
1929
1930 case AARCH64_OPND_SVE_ADDR_ZZ_SXTW:
1931 modifiers = (1 << AARCH64_MOD_SXTW);
1932 goto sve_zz_operand;
1933
1934 case AARCH64_OPND_SVE_ADDR_ZZ_UXTW:
1935 modifiers = 1 << AARCH64_MOD_UXTW;
1936 goto sve_zz_operand;
1937
a06ea964
NC
1938 default:
1939 break;
1940 }
1941 break;
1942
1943 case AARCH64_OPND_CLASS_SIMD_REGLIST:
dab26bf4
RS
1944 if (type == AARCH64_OPND_LEt)
1945 {
1946 /* Get the upper bound for the element index. */
1947 num = 16 / aarch64_get_qualifier_esize (qualifier) - 1;
1948 if (!value_in_range_p (opnd->reglist.index, 0, num))
1949 {
1950 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num);
1951 return 0;
1952 }
1953 }
a06ea964
NC
1954 /* The opcode dependent area stores the number of elements in
1955 each structure to be loaded/stored. */
1956 num = get_opcode_dependent_value (opcode);
1957 switch (type)
1958 {
1959 case AARCH64_OPND_LVt:
1960 assert (num >= 1 && num <= 4);
1961 /* Unless LD1/ST1, the number of registers should be equal to that
1962 of the structure elements. */
1963 if (num != 1 && opnd->reglist.num_regs != num)
1964 {
1965 set_reg_list_error (mismatch_detail, idx, num);
1966 return 0;
1967 }
1968 break;
1969 case AARCH64_OPND_LVt_AL:
1970 case AARCH64_OPND_LEt:
1971 assert (num >= 1 && num <= 4);
1972 /* The number of registers should be equal to that of the structure
1973 elements. */
1974 if (opnd->reglist.num_regs != num)
1975 {
1976 set_reg_list_error (mismatch_detail, idx, num);
1977 return 0;
1978 }
1979 break;
1980 default:
1981 break;
1982 }
1983 break;
1984
1985 case AARCH64_OPND_CLASS_IMMEDIATE:
1986 /* Constraint check on immediate operand. */
1987 imm = opnd->imm.value;
1988 /* E.g. imm_0_31 constrains value to be 0..31. */
1989 if (qualifier_value_in_range_constraint_p (qualifier)
1990 && !value_in_range_p (imm, get_lower_bound (qualifier),
1991 get_upper_bound (qualifier)))
1992 {
1993 set_imm_out_of_range_error (mismatch_detail, idx,
1994 get_lower_bound (qualifier),
1995 get_upper_bound (qualifier));
1996 return 0;
1997 }
1998
1999 switch (type)
2000 {
2001 case AARCH64_OPND_AIMM:
2002 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2003 {
2004 set_other_error (mismatch_detail, idx,
2005 _("invalid shift operator"));
2006 return 0;
2007 }
2008 if (opnd->shifter.amount != 0 && opnd->shifter.amount != 12)
2009 {
2010 set_other_error (mismatch_detail, idx,
ab3b8fcf 2011 _("shift amount must be 0 or 12"));
a06ea964
NC
2012 return 0;
2013 }
2014 if (!value_fit_unsigned_field_p (opnd->imm.value, 12))
2015 {
2016 set_other_error (mismatch_detail, idx,
2017 _("immediate out of range"));
2018 return 0;
2019 }
2020 break;
2021
2022 case AARCH64_OPND_HALF:
2023 assert (idx == 1 && opnds[0].type == AARCH64_OPND_Rd);
2024 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2025 {
2026 set_other_error (mismatch_detail, idx,
2027 _("invalid shift operator"));
2028 return 0;
2029 }
2030 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
2031 if (!value_aligned_p (opnd->shifter.amount, 16))
2032 {
2033 set_other_error (mismatch_detail, idx,
ab3b8fcf 2034 _("shift amount must be a multiple of 16"));
a06ea964
NC
2035 return 0;
2036 }
2037 if (!value_in_range_p (opnd->shifter.amount, 0, size * 8 - 16))
2038 {
2039 set_sft_amount_out_of_range_error (mismatch_detail, idx,
2040 0, size * 8 - 16);
2041 return 0;
2042 }
2043 if (opnd->imm.value < 0)
2044 {
2045 set_other_error (mismatch_detail, idx,
2046 _("negative immediate value not allowed"));
2047 return 0;
2048 }
2049 if (!value_fit_unsigned_field_p (opnd->imm.value, 16))
2050 {
2051 set_other_error (mismatch_detail, idx,
2052 _("immediate out of range"));
2053 return 0;
2054 }
2055 break;
2056
2057 case AARCH64_OPND_IMM_MOV:
2058 {
42408347 2059 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
a06ea964
NC
2060 imm = opnd->imm.value;
2061 assert (idx == 1);
2062 switch (opcode->op)
2063 {
2064 case OP_MOV_IMM_WIDEN:
2065 imm = ~imm;
1a0670f3 2066 /* Fall through. */
a06ea964 2067 case OP_MOV_IMM_WIDE:
42408347 2068 if (!aarch64_wide_constant_p (imm, esize == 4, NULL))
a06ea964
NC
2069 {
2070 set_other_error (mismatch_detail, idx,
2071 _("immediate out of range"));
2072 return 0;
2073 }
2074 break;
2075 case OP_MOV_IMM_LOG:
42408347 2076 if (!aarch64_logical_immediate_p (imm, esize, NULL))
a06ea964
NC
2077 {
2078 set_other_error (mismatch_detail, idx,
2079 _("immediate out of range"));
2080 return 0;
2081 }
2082 break;
2083 default:
2084 assert (0);
2085 return 0;
2086 }
2087 }
2088 break;
2089
2090 case AARCH64_OPND_NZCV:
2091 case AARCH64_OPND_CCMP_IMM:
2092 case AARCH64_OPND_EXCEPTION:
2093 case AARCH64_OPND_UIMM4:
2094 case AARCH64_OPND_UIMM7:
2095 case AARCH64_OPND_UIMM3_OP1:
2096 case AARCH64_OPND_UIMM3_OP2:
e950b345
RS
2097 case AARCH64_OPND_SVE_UIMM3:
2098 case AARCH64_OPND_SVE_UIMM7:
2099 case AARCH64_OPND_SVE_UIMM8:
2100 case AARCH64_OPND_SVE_UIMM8_53:
a06ea964
NC
2101 size = get_operand_fields_width (get_operand_from_code (type));
2102 assert (size < 32);
2103 if (!value_fit_unsigned_field_p (opnd->imm.value, size))
2104 {
2105 set_imm_out_of_range_error (mismatch_detail, idx, 0,
2106 (1 << size) - 1);
2107 return 0;
2108 }
2109 break;
2110
e950b345
RS
2111 case AARCH64_OPND_SIMM5:
2112 case AARCH64_OPND_SVE_SIMM5:
2113 case AARCH64_OPND_SVE_SIMM5B:
2114 case AARCH64_OPND_SVE_SIMM6:
2115 case AARCH64_OPND_SVE_SIMM8:
2116 size = get_operand_fields_width (get_operand_from_code (type));
2117 assert (size < 32);
2118 if (!value_fit_signed_field_p (opnd->imm.value, size))
2119 {
2120 set_imm_out_of_range_error (mismatch_detail, idx,
2121 -(1 << (size - 1)),
2122 (1 << (size - 1)) - 1);
2123 return 0;
2124 }
2125 break;
2126
a06ea964 2127 case AARCH64_OPND_WIDTH:
d685192a 2128 assert (idx > 1 && opnds[idx-1].type == AARCH64_OPND_IMM
a06ea964
NC
2129 && opnds[0].type == AARCH64_OPND_Rd);
2130 size = get_upper_bound (qualifier);
2131 if (opnd->imm.value + opnds[idx-1].imm.value > size)
2132 /* lsb+width <= reg.size */
2133 {
2134 set_imm_out_of_range_error (mismatch_detail, idx, 1,
2135 size - opnds[idx-1].imm.value);
2136 return 0;
2137 }
2138 break;
2139
2140 case AARCH64_OPND_LIMM:
e950b345 2141 case AARCH64_OPND_SVE_LIMM:
42408347
RS
2142 {
2143 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2144 uint64_t uimm = opnd->imm.value;
2145 if (opcode->op == OP_BIC)
2146 uimm = ~uimm;
535b785f 2147 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
42408347
RS
2148 {
2149 set_other_error (mismatch_detail, idx,
2150 _("immediate out of range"));
2151 return 0;
2152 }
2153 }
a06ea964
NC
2154 break;
2155
2156 case AARCH64_OPND_IMM0:
2157 case AARCH64_OPND_FPIMM0:
2158 if (opnd->imm.value != 0)
2159 {
2160 set_other_error (mismatch_detail, idx,
2161 _("immediate zero expected"));
2162 return 0;
2163 }
2164 break;
2165
c2c4ff8d
SN
2166 case AARCH64_OPND_IMM_ROT1:
2167 case AARCH64_OPND_IMM_ROT2:
582e12bf 2168 case AARCH64_OPND_SVE_IMM_ROT2:
c2c4ff8d
SN
2169 if (opnd->imm.value != 0
2170 && opnd->imm.value != 90
2171 && opnd->imm.value != 180
2172 && opnd->imm.value != 270)
2173 {
2174 set_other_error (mismatch_detail, idx,
2175 _("rotate expected to be 0, 90, 180 or 270"));
2176 return 0;
2177 }
2178 break;
2179
2180 case AARCH64_OPND_IMM_ROT3:
582e12bf 2181 case AARCH64_OPND_SVE_IMM_ROT1:
c2c4ff8d
SN
2182 if (opnd->imm.value != 90 && opnd->imm.value != 270)
2183 {
2184 set_other_error (mismatch_detail, idx,
2185 _("rotate expected to be 90 or 270"));
2186 return 0;
2187 }
2188 break;
2189
a06ea964
NC
2190 case AARCH64_OPND_SHLL_IMM:
2191 assert (idx == 2);
2192 size = 8 * aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
2193 if (opnd->imm.value != size)
2194 {
2195 set_other_error (mismatch_detail, idx,
2196 _("invalid shift amount"));
2197 return 0;
2198 }
2199 break;
2200
2201 case AARCH64_OPND_IMM_VLSL:
2202 size = aarch64_get_qualifier_esize (qualifier);
2203 if (!value_in_range_p (opnd->imm.value, 0, size * 8 - 1))
2204 {
2205 set_imm_out_of_range_error (mismatch_detail, idx, 0,
2206 size * 8 - 1);
2207 return 0;
2208 }
2209 break;
2210
2211 case AARCH64_OPND_IMM_VLSR:
2212 size = aarch64_get_qualifier_esize (qualifier);
2213 if (!value_in_range_p (opnd->imm.value, 1, size * 8))
2214 {
2215 set_imm_out_of_range_error (mismatch_detail, idx, 1, size * 8);
2216 return 0;
2217 }
2218 break;
2219
2220 case AARCH64_OPND_SIMD_IMM:
2221 case AARCH64_OPND_SIMD_IMM_SFT:
2222 /* Qualifier check. */
2223 switch (qualifier)
2224 {
2225 case AARCH64_OPND_QLF_LSL:
2226 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2227 {
2228 set_other_error (mismatch_detail, idx,
2229 _("invalid shift operator"));
2230 return 0;
2231 }
2232 break;
2233 case AARCH64_OPND_QLF_MSL:
2234 if (opnd->shifter.kind != AARCH64_MOD_MSL)
2235 {
2236 set_other_error (mismatch_detail, idx,
2237 _("invalid shift operator"));
2238 return 0;
2239 }
2240 break;
2241 case AARCH64_OPND_QLF_NIL:
2242 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2243 {
2244 set_other_error (mismatch_detail, idx,
2245 _("shift is not permitted"));
2246 return 0;
2247 }
2248 break;
2249 default:
2250 assert (0);
2251 return 0;
2252 }
2253 /* Is the immediate valid? */
2254 assert (idx == 1);
2255 if (aarch64_get_qualifier_esize (opnds[0].qualifier) != 8)
2256 {
d2865ed3
YZ
2257 /* uimm8 or simm8 */
2258 if (!value_in_range_p (opnd->imm.value, -128, 255))
a06ea964 2259 {
d2865ed3 2260 set_imm_out_of_range_error (mismatch_detail, idx, -128, 255);
a06ea964
NC
2261 return 0;
2262 }
2263 }
2264 else if (aarch64_shrink_expanded_imm8 (opnd->imm.value) < 0)
2265 {
2266 /* uimm64 is not
2267 'aaaaaaaabbbbbbbbccccccccddddddddeeeeeeee
2268 ffffffffgggggggghhhhhhhh'. */
2269 set_other_error (mismatch_detail, idx,
2270 _("invalid value for immediate"));
2271 return 0;
2272 }
2273 /* Is the shift amount valid? */
2274 switch (opnd->shifter.kind)
2275 {
2276 case AARCH64_MOD_LSL:
2277 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
f5555712 2278 if (!value_in_range_p (opnd->shifter.amount, 0, (size - 1) * 8))
a06ea964 2279 {
f5555712
YZ
2280 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0,
2281 (size - 1) * 8);
a06ea964
NC
2282 return 0;
2283 }
f5555712 2284 if (!value_aligned_p (opnd->shifter.amount, 8))
a06ea964 2285 {
f5555712 2286 set_unaligned_error (mismatch_detail, idx, 8);
a06ea964
NC
2287 return 0;
2288 }
2289 break;
2290 case AARCH64_MOD_MSL:
2291 /* Only 8 and 16 are valid shift amount. */
2292 if (opnd->shifter.amount != 8 && opnd->shifter.amount != 16)
2293 {
2294 set_other_error (mismatch_detail, idx,
ab3b8fcf 2295 _("shift amount must be 0 or 16"));
a06ea964
NC
2296 return 0;
2297 }
2298 break;
2299 default:
2300 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2301 {
2302 set_other_error (mismatch_detail, idx,
2303 _("invalid shift operator"));
2304 return 0;
2305 }
2306 break;
2307 }
2308 break;
2309
2310 case AARCH64_OPND_FPIMM:
2311 case AARCH64_OPND_SIMD_FPIMM:
165d4950 2312 case AARCH64_OPND_SVE_FPIMM8:
a06ea964
NC
2313 if (opnd->imm.is_fp == 0)
2314 {
2315 set_other_error (mismatch_detail, idx,
2316 _("floating-point immediate expected"));
2317 return 0;
2318 }
2319 /* The value is expected to be an 8-bit floating-point constant with
2320 sign, 3-bit exponent and normalized 4 bits of precision, encoded
2321 in "a:b:c:d:e:f:g:h" or FLD_imm8 (depending on the type of the
2322 instruction). */
2323 if (!value_in_range_p (opnd->imm.value, 0, 255))
2324 {
2325 set_other_error (mismatch_detail, idx,
2326 _("immediate out of range"));
2327 return 0;
2328 }
2329 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2330 {
2331 set_other_error (mismatch_detail, idx,
2332 _("invalid shift operator"));
2333 return 0;
2334 }
2335 break;
2336
e950b345
RS
2337 case AARCH64_OPND_SVE_AIMM:
2338 min_value = 0;
2339 sve_aimm:
2340 assert (opnd->shifter.kind == AARCH64_MOD_LSL);
2341 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
2342 mask = ~((uint64_t) -1 << (size * 4) << (size * 4));
2343 uvalue = opnd->imm.value;
2344 shift = opnd->shifter.amount;
2345 if (size == 1)
2346 {
2347 if (shift != 0)
2348 {
2349 set_other_error (mismatch_detail, idx,
2350 _("no shift amount allowed for"
2351 " 8-bit constants"));
2352 return 0;
2353 }
2354 }
2355 else
2356 {
2357 if (shift != 0 && shift != 8)
2358 {
2359 set_other_error (mismatch_detail, idx,
2360 _("shift amount must be 0 or 8"));
2361 return 0;
2362 }
2363 if (shift == 0 && (uvalue & 0xff) == 0)
2364 {
2365 shift = 8;
2366 uvalue = (int64_t) uvalue / 256;
2367 }
2368 }
2369 mask >>= shift;
2370 if ((uvalue & mask) != uvalue && (uvalue | ~mask) != uvalue)
2371 {
2372 set_other_error (mismatch_detail, idx,
2373 _("immediate too big for element size"));
2374 return 0;
2375 }
2376 uvalue = (uvalue - min_value) & mask;
2377 if (uvalue > 0xff)
2378 {
2379 set_other_error (mismatch_detail, idx,
2380 _("invalid arithmetic immediate"));
2381 return 0;
2382 }
2383 break;
2384
2385 case AARCH64_OPND_SVE_ASIMM:
2386 min_value = -128;
2387 goto sve_aimm;
2388
165d4950
RS
2389 case AARCH64_OPND_SVE_I1_HALF_ONE:
2390 assert (opnd->imm.is_fp);
2391 if (opnd->imm.value != 0x3f000000 && opnd->imm.value != 0x3f800000)
2392 {
2393 set_other_error (mismatch_detail, idx,
2394 _("floating-point value must be 0.5 or 1.0"));
2395 return 0;
2396 }
2397 break;
2398
2399 case AARCH64_OPND_SVE_I1_HALF_TWO:
2400 assert (opnd->imm.is_fp);
2401 if (opnd->imm.value != 0x3f000000 && opnd->imm.value != 0x40000000)
2402 {
2403 set_other_error (mismatch_detail, idx,
2404 _("floating-point value must be 0.5 or 2.0"));
2405 return 0;
2406 }
2407 break;
2408
2409 case AARCH64_OPND_SVE_I1_ZERO_ONE:
2410 assert (opnd->imm.is_fp);
2411 if (opnd->imm.value != 0 && opnd->imm.value != 0x3f800000)
2412 {
2413 set_other_error (mismatch_detail, idx,
2414 _("floating-point value must be 0.0 or 1.0"));
2415 return 0;
2416 }
2417 break;
2418
e950b345
RS
2419 case AARCH64_OPND_SVE_INV_LIMM:
2420 {
2421 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2422 uint64_t uimm = ~opnd->imm.value;
2423 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
2424 {
2425 set_other_error (mismatch_detail, idx,
2426 _("immediate out of range"));
2427 return 0;
2428 }
2429 }
2430 break;
2431
2432 case AARCH64_OPND_SVE_LIMM_MOV:
2433 {
2434 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2435 uint64_t uimm = opnd->imm.value;
2436 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
2437 {
2438 set_other_error (mismatch_detail, idx,
2439 _("immediate out of range"));
2440 return 0;
2441 }
2442 if (!aarch64_sve_dupm_mov_immediate_p (uimm, esize))
2443 {
2444 set_other_error (mismatch_detail, idx,
2445 _("invalid replicated MOV immediate"));
2446 return 0;
2447 }
2448 }
2449 break;
2450
2442d846
RS
2451 case AARCH64_OPND_SVE_PATTERN_SCALED:
2452 assert (opnd->shifter.kind == AARCH64_MOD_MUL);
2453 if (!value_in_range_p (opnd->shifter.amount, 1, 16))
2454 {
2455 set_multiplier_out_of_range_error (mismatch_detail, idx, 1, 16);
2456 return 0;
2457 }
2458 break;
2459
e950b345
RS
2460 case AARCH64_OPND_SVE_SHLIMM_PRED:
2461 case AARCH64_OPND_SVE_SHLIMM_UNPRED:
2462 size = aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
2463 if (!value_in_range_p (opnd->imm.value, 0, 8 * size - 1))
2464 {
2465 set_imm_out_of_range_error (mismatch_detail, idx,
2466 0, 8 * size - 1);
2467 return 0;
2468 }
2469 break;
2470
2471 case AARCH64_OPND_SVE_SHRIMM_PRED:
2472 case AARCH64_OPND_SVE_SHRIMM_UNPRED:
2473 size = aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
2474 if (!value_in_range_p (opnd->imm.value, 1, 8 * size))
2475 {
2476 set_imm_out_of_range_error (mismatch_detail, idx, 1, 8 * size);
2477 return 0;
2478 }
2479 break;
2480
a06ea964
NC
2481 default:
2482 break;
2483 }
2484 break;
2485
a06ea964
NC
2486 case AARCH64_OPND_CLASS_SYSTEM:
2487 switch (type)
2488 {
2489 case AARCH64_OPND_PSTATEFIELD:
2490 assert (idx == 0 && opnds[1].type == AARCH64_OPND_UIMM4);
0bff6e2d
MW
2491 /* MSR UAO, #uimm4
2492 MSR PAN, #uimm4
c2825638 2493 The immediate must be #0 or #1. */
0bff6e2d 2494 if ((opnd->pstatefield == 0x03 /* UAO. */
793a1948
TC
2495 || opnd->pstatefield == 0x04 /* PAN. */
2496 || opnd->pstatefield == 0x1a) /* DIT. */
c2825638
MW
2497 && opnds[1].imm.value > 1)
2498 {
2499 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
2500 return 0;
2501 }
a06ea964
NC
2502 /* MSR SPSel, #uimm4
2503 Uses uimm4 as a control value to select the stack pointer: if
2504 bit 0 is set it selects the current exception level's stack
2505 pointer, if bit 0 is clear it selects shared EL0 stack pointer.
2506 Bits 1 to 3 of uimm4 are reserved and should be zero. */
2507 if (opnd->pstatefield == 0x05 /* spsel */ && opnds[1].imm.value > 1)
2508 {
2509 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
2510 return 0;
2511 }
2512 break;
2513 default:
2514 break;
2515 }
2516 break;
2517
2518 case AARCH64_OPND_CLASS_SIMD_ELEMENT:
2519 /* Get the upper bound for the element index. */
c2c4ff8d
SN
2520 if (opcode->op == OP_FCMLA_ELEM)
2521 /* FCMLA index range depends on the vector size of other operands
2522 and is halfed because complex numbers take two elements. */
2523 num = aarch64_get_qualifier_nelem (opnds[0].qualifier)
2524 * aarch64_get_qualifier_esize (opnds[0].qualifier) / 2;
2525 else
2526 num = 16;
2527 num = num / aarch64_get_qualifier_esize (qualifier) - 1;
2528
a06ea964
NC
2529 /* Index out-of-range. */
2530 if (!value_in_range_p (opnd->reglane.index, 0, num))
2531 {
2532 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num);
2533 return 0;
2534 }
2535 /* SMLAL<Q> <Vd>.<Ta>, <Vn>.<Tb>, <Vm>.<Ts>[<index>].
2536 <Vm> Is the vector register (V0-V31) or (V0-V15), whose
2537 number is encoded in "size:M:Rm":
2538 size <Vm>
2539 00 RESERVED
2540 01 0:Rm
2541 10 M:Rm
2542 11 RESERVED */
369c9167 2543 if (type == AARCH64_OPND_Em16 && qualifier == AARCH64_OPND_QLF_S_H
a06ea964
NC
2544 && !value_in_range_p (opnd->reglane.regno, 0, 15))
2545 {
2546 set_regno_out_of_range_error (mismatch_detail, idx, 0, 15);
2547 return 0;
2548 }
2549 break;
2550
2551 case AARCH64_OPND_CLASS_MODIFIED_REG:
2552 assert (idx == 1 || idx == 2);
2553 switch (type)
2554 {
2555 case AARCH64_OPND_Rm_EXT:
535b785f 2556 if (!aarch64_extend_operator_p (opnd->shifter.kind)
a06ea964
NC
2557 && opnd->shifter.kind != AARCH64_MOD_LSL)
2558 {
2559 set_other_error (mismatch_detail, idx,
2560 _("extend operator expected"));
2561 return 0;
2562 }
2563 /* It is not optional unless at least one of "Rd" or "Rn" is '11111'
2564 (i.e. SP), in which case it defaults to LSL. The LSL alias is
2565 only valid when "Rd" or "Rn" is '11111', and is preferred in that
2566 case. */
2567 if (!aarch64_stack_pointer_p (opnds + 0)
2568 && (idx != 2 || !aarch64_stack_pointer_p (opnds + 1)))
2569 {
2570 if (!opnd->shifter.operator_present)
2571 {
2572 set_other_error (mismatch_detail, idx,
2573 _("missing extend operator"));
2574 return 0;
2575 }
2576 else if (opnd->shifter.kind == AARCH64_MOD_LSL)
2577 {
2578 set_other_error (mismatch_detail, idx,
2579 _("'LSL' operator not allowed"));
2580 return 0;
2581 }
2582 }
2583 assert (opnd->shifter.operator_present /* Default to LSL. */
2584 || opnd->shifter.kind == AARCH64_MOD_LSL);
2585 if (!value_in_range_p (opnd->shifter.amount, 0, 4))
2586 {
2587 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, 4);
2588 return 0;
2589 }
2590 /* In the 64-bit form, the final register operand is written as Wm
2591 for all but the (possibly omitted) UXTX/LSL and SXTX
2592 operators.
2593 N.B. GAS allows X register to be used with any operator as a
2594 programming convenience. */
2595 if (qualifier == AARCH64_OPND_QLF_X
2596 && opnd->shifter.kind != AARCH64_MOD_LSL
2597 && opnd->shifter.kind != AARCH64_MOD_UXTX
2598 && opnd->shifter.kind != AARCH64_MOD_SXTX)
2599 {
2600 set_other_error (mismatch_detail, idx, _("W register expected"));
2601 return 0;
2602 }
2603 break;
2604
2605 case AARCH64_OPND_Rm_SFT:
2606 /* ROR is not available to the shifted register operand in
2607 arithmetic instructions. */
535b785f 2608 if (!aarch64_shift_operator_p (opnd->shifter.kind))
a06ea964
NC
2609 {
2610 set_other_error (mismatch_detail, idx,
2611 _("shift operator expected"));
2612 return 0;
2613 }
2614 if (opnd->shifter.kind == AARCH64_MOD_ROR
2615 && opcode->iclass != log_shift)
2616 {
2617 set_other_error (mismatch_detail, idx,
2618 _("'ROR' operator not allowed"));
2619 return 0;
2620 }
2621 num = qualifier == AARCH64_OPND_QLF_W ? 31 : 63;
2622 if (!value_in_range_p (opnd->shifter.amount, 0, num))
2623 {
2624 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, num);
2625 return 0;
2626 }
2627 break;
2628
2629 default:
2630 break;
2631 }
2632 break;
2633
2634 default:
2635 break;
2636 }
2637
2638 return 1;
2639}
2640
2641/* Main entrypoint for the operand constraint checking.
2642
2643 Return 1 if operands of *INST meet the constraint applied by the operand
2644 codes and operand qualifiers; otherwise return 0 and if MISMATCH_DETAIL is
2645 not NULL, return the detail of the error in *MISMATCH_DETAIL. N.B. when
2646 adding more constraint checking, make sure MISMATCH_DETAIL->KIND is set
2647 with a proper error kind rather than AARCH64_OPDE_NIL (GAS asserts non-NIL
2648 error kind when it is notified that an instruction does not pass the check).
2649
2650 Un-determined operand qualifiers may get established during the process. */
2651
2652int
2653aarch64_match_operands_constraint (aarch64_inst *inst,
2654 aarch64_operand_error *mismatch_detail)
2655{
2656 int i;
2657
2658 DEBUG_TRACE ("enter");
2659
0c608d6b
RS
2660 /* Check for cases where a source register needs to be the same as the
2661 destination register. Do this before matching qualifiers since if
2662 an instruction has both invalid tying and invalid qualifiers,
2663 the error about qualifiers would suggest several alternative
2664 instructions that also have invalid tying. */
2665 i = inst->opcode->tied_operand;
2666 if (i > 0 && (inst->operands[0].reg.regno != inst->operands[i].reg.regno))
2667 {
2668 if (mismatch_detail)
2669 {
2670 mismatch_detail->kind = AARCH64_OPDE_UNTIED_OPERAND;
2671 mismatch_detail->index = i;
2672 mismatch_detail->error = NULL;
2673 }
2674 return 0;
2675 }
2676
a06ea964
NC
2677 /* Match operands' qualifier.
2678 *INST has already had qualifier establish for some, if not all, of
2679 its operands; we need to find out whether these established
2680 qualifiers match one of the qualifier sequence in
2681 INST->OPCODE->QUALIFIERS_LIST. If yes, we will assign each operand
2682 with the corresponding qualifier in such a sequence.
2683 Only basic operand constraint checking is done here; the more thorough
2684 constraint checking will carried out by operand_general_constraint_met_p,
2685 which has be to called after this in order to get all of the operands'
2686 qualifiers established. */
2687 if (match_operands_qualifier (inst, TRUE /* update_p */) == 0)
2688 {
2689 DEBUG_TRACE ("FAIL on operand qualifier matching");
2690 if (mismatch_detail)
2691 {
2692 /* Return an error type to indicate that it is the qualifier
2693 matching failure; we don't care about which operand as there
2694 are enough information in the opcode table to reproduce it. */
2695 mismatch_detail->kind = AARCH64_OPDE_INVALID_VARIANT;
2696 mismatch_detail->index = -1;
2697 mismatch_detail->error = NULL;
2698 }
2699 return 0;
2700 }
2701
2702 /* Match operands' constraint. */
2703 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2704 {
2705 enum aarch64_opnd type = inst->opcode->operands[i];
2706 if (type == AARCH64_OPND_NIL)
2707 break;
2708 if (inst->operands[i].skip)
2709 {
2710 DEBUG_TRACE ("skip the incomplete operand %d", i);
2711 continue;
2712 }
2713 if (operand_general_constraint_met_p (inst->operands, i, type,
2714 inst->opcode, mismatch_detail) == 0)
2715 {
2716 DEBUG_TRACE ("FAIL on operand %d", i);
2717 return 0;
2718 }
2719 }
2720
2721 DEBUG_TRACE ("PASS");
2722
2723 return 1;
2724}
2725
2726/* Replace INST->OPCODE with OPCODE and return the replaced OPCODE.
2727 Also updates the TYPE of each INST->OPERANDS with the corresponding
2728 value of OPCODE->OPERANDS.
2729
2730 Note that some operand qualifiers may need to be manually cleared by
2731 the caller before it further calls the aarch64_opcode_encode; by
2732 doing this, it helps the qualifier matching facilities work
2733 properly. */
2734
2735const aarch64_opcode*
2736aarch64_replace_opcode (aarch64_inst *inst, const aarch64_opcode *opcode)
2737{
2738 int i;
2739 const aarch64_opcode *old = inst->opcode;
2740
2741 inst->opcode = opcode;
2742
2743 /* Update the operand types. */
2744 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2745 {
2746 inst->operands[i].type = opcode->operands[i];
2747 if (opcode->operands[i] == AARCH64_OPND_NIL)
2748 break;
2749 }
2750
2751 DEBUG_TRACE ("replace %s with %s", old->name, opcode->name);
2752
2753 return old;
2754}
2755
2756int
2757aarch64_operand_index (const enum aarch64_opnd *operands, enum aarch64_opnd operand)
2758{
2759 int i;
2760 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2761 if (operands[i] == operand)
2762 return i;
2763 else if (operands[i] == AARCH64_OPND_NIL)
2764 break;
2765 return -1;
2766}
2767\f
72e9f319
RS
2768/* R0...R30, followed by FOR31. */
2769#define BANK(R, FOR31) \
2770 { R (0), R (1), R (2), R (3), R (4), R (5), R (6), R (7), \
2771 R (8), R (9), R (10), R (11), R (12), R (13), R (14), R (15), \
2772 R (16), R (17), R (18), R (19), R (20), R (21), R (22), R (23), \
2773 R (24), R (25), R (26), R (27), R (28), R (29), R (30), FOR31 }
a06ea964
NC
2774/* [0][0] 32-bit integer regs with sp Wn
2775 [0][1] 64-bit integer regs with sp Xn sf=1
2776 [1][0] 32-bit integer regs with #0 Wn
2777 [1][1] 64-bit integer regs with #0 Xn sf=1 */
2778static const char *int_reg[2][2][32] = {
72e9f319
RS
2779#define R32(X) "w" #X
2780#define R64(X) "x" #X
2781 { BANK (R32, "wsp"), BANK (R64, "sp") },
2782 { BANK (R32, "wzr"), BANK (R64, "xzr") }
a06ea964
NC
2783#undef R64
2784#undef R32
2785};
4df068de
RS
2786
2787/* Names of the SVE vector registers, first with .S suffixes,
2788 then with .D suffixes. */
2789
2790static const char *sve_reg[2][32] = {
2791#define ZS(X) "z" #X ".s"
2792#define ZD(X) "z" #X ".d"
2793 BANK (ZS, ZS (31)), BANK (ZD, ZD (31))
2794#undef ZD
2795#undef ZS
2796};
72e9f319 2797#undef BANK
a06ea964
NC
2798
2799/* Return the integer register name.
2800 if SP_REG_P is not 0, R31 is an SP reg, other R31 is the zero reg. */
2801
2802static inline const char *
2803get_int_reg_name (int regno, aarch64_opnd_qualifier_t qualifier, int sp_reg_p)
2804{
2805 const int has_zr = sp_reg_p ? 0 : 1;
2806 const int is_64 = aarch64_get_qualifier_esize (qualifier) == 4 ? 0 : 1;
2807 return int_reg[has_zr][is_64][regno];
2808}
2809
2810/* Like get_int_reg_name, but IS_64 is always 1. */
2811
2812static inline const char *
2813get_64bit_int_reg_name (int regno, int sp_reg_p)
2814{
2815 const int has_zr = sp_reg_p ? 0 : 1;
2816 return int_reg[has_zr][1][regno];
2817}
2818
01dbfe4c
RS
2819/* Get the name of the integer offset register in OPND, using the shift type
2820 to decide whether it's a word or doubleword. */
2821
2822static inline const char *
2823get_offset_int_reg_name (const aarch64_opnd_info *opnd)
2824{
2825 switch (opnd->shifter.kind)
2826 {
2827 case AARCH64_MOD_UXTW:
2828 case AARCH64_MOD_SXTW:
2829 return get_int_reg_name (opnd->addr.offset.regno, AARCH64_OPND_QLF_W, 0);
2830
2831 case AARCH64_MOD_LSL:
2832 case AARCH64_MOD_SXTX:
2833 return get_int_reg_name (opnd->addr.offset.regno, AARCH64_OPND_QLF_X, 0);
2834
2835 default:
2836 abort ();
2837 }
2838}
2839
4df068de
RS
2840/* Get the name of the SVE vector offset register in OPND, using the operand
2841 qualifier to decide whether the suffix should be .S or .D. */
2842
2843static inline const char *
2844get_addr_sve_reg_name (int regno, aarch64_opnd_qualifier_t qualifier)
2845{
2846 assert (qualifier == AARCH64_OPND_QLF_S_S
2847 || qualifier == AARCH64_OPND_QLF_S_D);
2848 return sve_reg[qualifier == AARCH64_OPND_QLF_S_D][regno];
2849}
2850
a06ea964
NC
2851/* Types for expanding an encoded 8-bit value to a floating-point value. */
2852
2853typedef union
2854{
2855 uint64_t i;
2856 double d;
2857} double_conv_t;
2858
2859typedef union
2860{
2861 uint32_t i;
2862 float f;
2863} single_conv_t;
2864
cf86120b
MW
2865typedef union
2866{
2867 uint32_t i;
2868 float f;
2869} half_conv_t;
2870
a06ea964
NC
2871/* IMM8 is an 8-bit floating-point constant with sign, 3-bit exponent and
2872 normalized 4 bits of precision, encoded in "a:b:c:d:e:f:g:h" or FLD_imm8
2873 (depending on the type of the instruction). IMM8 will be expanded to a
cf86120b
MW
2874 single-precision floating-point value (SIZE == 4) or a double-precision
2875 floating-point value (SIZE == 8). A half-precision floating-point value
2876 (SIZE == 2) is expanded to a single-precision floating-point value. The
2877 expanded value is returned. */
a06ea964
NC
2878
2879static uint64_t
cf86120b 2880expand_fp_imm (int size, uint32_t imm8)
a06ea964 2881{
57a024f4 2882 uint64_t imm = 0;
a06ea964
NC
2883 uint32_t imm8_7, imm8_6_0, imm8_6, imm8_6_repl4;
2884
2885 imm8_7 = (imm8 >> 7) & 0x01; /* imm8<7> */
2886 imm8_6_0 = imm8 & 0x7f; /* imm8<6:0> */
2887 imm8_6 = imm8_6_0 >> 6; /* imm8<6> */
2888 imm8_6_repl4 = (imm8_6 << 3) | (imm8_6 << 2)
2889 | (imm8_6 << 1) | imm8_6; /* Replicate(imm8<6>,4) */
cf86120b 2890 if (size == 8)
a06ea964
NC
2891 {
2892 imm = (imm8_7 << (63-32)) /* imm8<7> */
2893 | ((imm8_6 ^ 1) << (62-32)) /* NOT(imm8<6) */
2894 | (imm8_6_repl4 << (58-32)) | (imm8_6 << (57-32))
2895 | (imm8_6 << (56-32)) | (imm8_6 << (55-32)) /* Replicate(imm8<6>,7) */
2896 | (imm8_6_0 << (48-32)); /* imm8<6>:imm8<5:0> */
2897 imm <<= 32;
2898 }
cf86120b 2899 else if (size == 4 || size == 2)
a06ea964
NC
2900 {
2901 imm = (imm8_7 << 31) /* imm8<7> */
2902 | ((imm8_6 ^ 1) << 30) /* NOT(imm8<6>) */
2903 | (imm8_6_repl4 << 26) /* Replicate(imm8<6>,4) */
2904 | (imm8_6_0 << 19); /* imm8<6>:imm8<5:0> */
2905 }
cf86120b
MW
2906 else
2907 {
2908 /* An unsupported size. */
2909 assert (0);
2910 }
a06ea964
NC
2911
2912 return imm;
2913}
2914
2915/* Produce the string representation of the register list operand *OPND
8a7f0c1b
RS
2916 in the buffer pointed by BUF of size SIZE. PREFIX is the part of
2917 the register name that comes before the register number, such as "v". */
a06ea964 2918static void
8a7f0c1b
RS
2919print_register_list (char *buf, size_t size, const aarch64_opnd_info *opnd,
2920 const char *prefix)
a06ea964
NC
2921{
2922 const int num_regs = opnd->reglist.num_regs;
2923 const int first_reg = opnd->reglist.first_regno;
2924 const int last_reg = (first_reg + num_regs - 1) & 0x1f;
2925 const char *qlf_name = aarch64_get_qualifier_name (opnd->qualifier);
2926 char tb[8]; /* Temporary buffer. */
2927
2928 assert (opnd->type != AARCH64_OPND_LEt || opnd->reglist.has_index);
2929 assert (num_regs >= 1 && num_regs <= 4);
2930
2931 /* Prepare the index if any. */
2932 if (opnd->reglist.has_index)
1b7e3d2f
NC
2933 /* PR 21096: The %100 is to silence a warning about possible truncation. */
2934 snprintf (tb, 8, "[%" PRIi64 "]", (opnd->reglist.index % 100));
a06ea964
NC
2935 else
2936 tb[0] = '\0';
2937
2938 /* The hyphenated form is preferred for disassembly if there are
2939 more than two registers in the list, and the register numbers
2940 are monotonically increasing in increments of one. */
2941 if (num_regs > 2 && last_reg > first_reg)
8a7f0c1b
RS
2942 snprintf (buf, size, "{%s%d.%s-%s%d.%s}%s", prefix, first_reg, qlf_name,
2943 prefix, last_reg, qlf_name, tb);
a06ea964
NC
2944 else
2945 {
2946 const int reg0 = first_reg;
2947 const int reg1 = (first_reg + 1) & 0x1f;
2948 const int reg2 = (first_reg + 2) & 0x1f;
2949 const int reg3 = (first_reg + 3) & 0x1f;
2950
2951 switch (num_regs)
2952 {
2953 case 1:
8a7f0c1b 2954 snprintf (buf, size, "{%s%d.%s}%s", prefix, reg0, qlf_name, tb);
a06ea964
NC
2955 break;
2956 case 2:
8a7f0c1b
RS
2957 snprintf (buf, size, "{%s%d.%s, %s%d.%s}%s", prefix, reg0, qlf_name,
2958 prefix, reg1, qlf_name, tb);
a06ea964
NC
2959 break;
2960 case 3:
8a7f0c1b
RS
2961 snprintf (buf, size, "{%s%d.%s, %s%d.%s, %s%d.%s}%s",
2962 prefix, reg0, qlf_name, prefix, reg1, qlf_name,
2963 prefix, reg2, qlf_name, tb);
a06ea964
NC
2964 break;
2965 case 4:
8a7f0c1b
RS
2966 snprintf (buf, size, "{%s%d.%s, %s%d.%s, %s%d.%s, %s%d.%s}%s",
2967 prefix, reg0, qlf_name, prefix, reg1, qlf_name,
2968 prefix, reg2, qlf_name, prefix, reg3, qlf_name, tb);
a06ea964
NC
2969 break;
2970 }
2971 }
2972}
2973
01dbfe4c
RS
2974/* Print the register+immediate address in OPND to BUF, which has SIZE
2975 characters. BASE is the name of the base register. */
2976
2977static void
2978print_immediate_offset_address (char *buf, size_t size,
2979 const aarch64_opnd_info *opnd,
2980 const char *base)
2981{
2982 if (opnd->addr.writeback)
2983 {
2984 if (opnd->addr.preind)
ad43e107 2985 snprintf (buf, size, "[%s, #%d]!", base, opnd->addr.offset.imm);
01dbfe4c 2986 else
ad43e107 2987 snprintf (buf, size, "[%s], #%d", base, opnd->addr.offset.imm);
01dbfe4c
RS
2988 }
2989 else
2990 {
98907a70
RS
2991 if (opnd->shifter.operator_present)
2992 {
2993 assert (opnd->shifter.kind == AARCH64_MOD_MUL_VL);
ad43e107 2994 snprintf (buf, size, "[%s, #%d, mul vl]",
98907a70
RS
2995 base, opnd->addr.offset.imm);
2996 }
2997 else if (opnd->addr.offset.imm)
ad43e107 2998 snprintf (buf, size, "[%s, #%d]", base, opnd->addr.offset.imm);
01dbfe4c
RS
2999 else
3000 snprintf (buf, size, "[%s]", base);
3001 }
3002}
3003
a06ea964 3004/* Produce the string representation of the register offset address operand
01dbfe4c
RS
3005 *OPND in the buffer pointed by BUF of size SIZE. BASE and OFFSET are
3006 the names of the base and offset registers. */
a06ea964
NC
3007static void
3008print_register_offset_address (char *buf, size_t size,
01dbfe4c
RS
3009 const aarch64_opnd_info *opnd,
3010 const char *base, const char *offset)
a06ea964 3011{
0d2f91fe 3012 char tb[16]; /* Temporary buffer. */
a06ea964
NC
3013 bfd_boolean print_extend_p = TRUE;
3014 bfd_boolean print_amount_p = TRUE;
3015 const char *shift_name = aarch64_operand_modifiers[opnd->shifter.kind].name;
3016
a06ea964
NC
3017 if (!opnd->shifter.amount && (opnd->qualifier != AARCH64_OPND_QLF_S_B
3018 || !opnd->shifter.amount_present))
3019 {
3020 /* Not print the shift/extend amount when the amount is zero and
3021 when it is not the special case of 8-bit load/store instruction. */
3022 print_amount_p = FALSE;
3023 /* Likewise, no need to print the shift operator LSL in such a
3024 situation. */
01dbfe4c 3025 if (opnd->shifter.kind == AARCH64_MOD_LSL)
a06ea964
NC
3026 print_extend_p = FALSE;
3027 }
3028
3029 /* Prepare for the extend/shift. */
3030 if (print_extend_p)
3031 {
3032 if (print_amount_p)
ad43e107 3033 snprintf (tb, sizeof (tb), ", %s #%" PRIi64, shift_name,
1b7e3d2f
NC
3034 /* PR 21096: The %100 is to silence a warning about possible truncation. */
3035 (opnd->shifter.amount % 100));
a06ea964 3036 else
ad43e107 3037 snprintf (tb, sizeof (tb), ", %s", shift_name);
a06ea964
NC
3038 }
3039 else
3040 tb[0] = '\0';
3041
ad43e107 3042 snprintf (buf, size, "[%s, %s%s]", base, offset, tb);
a06ea964
NC
3043}
3044
3045/* Generate the string representation of the operand OPNDS[IDX] for OPCODE
3046 in *BUF. The caller should pass in the maximum size of *BUF in SIZE.
3047 PC, PCREL_P and ADDRESS are used to pass in and return information about
3048 the PC-relative address calculation, where the PC value is passed in
3049 PC. If the operand is pc-relative related, *PCREL_P (if PCREL_P non-NULL)
3050 will return 1 and *ADDRESS (if ADDRESS non-NULL) will return the
3051 calculated address; otherwise, *PCREL_P (if PCREL_P non-NULL) returns 0.
3052
3053 The function serves both the disassembler and the assembler diagnostics
3054 issuer, which is the reason why it lives in this file. */
3055
3056void
3057aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
3058 const aarch64_opcode *opcode,
3059 const aarch64_opnd_info *opnds, int idx, int *pcrel_p,
bde90be2 3060 bfd_vma *address, char** notes)
a06ea964 3061{
bb7eff52 3062 unsigned int i, num_conds;
a06ea964
NC
3063 const char *name = NULL;
3064 const aarch64_opnd_info *opnd = opnds + idx;
3065 enum aarch64_modifier_kind kind;
245d2e3f 3066 uint64_t addr, enum_value;
a06ea964
NC
3067
3068 buf[0] = '\0';
3069 if (pcrel_p)
3070 *pcrel_p = 0;
3071
3072 switch (opnd->type)
3073 {
3074 case AARCH64_OPND_Rd:
3075 case AARCH64_OPND_Rn:
3076 case AARCH64_OPND_Rm:
3077 case AARCH64_OPND_Rt:
3078 case AARCH64_OPND_Rt2:
3079 case AARCH64_OPND_Rs:
3080 case AARCH64_OPND_Ra:
3081 case AARCH64_OPND_Rt_SYS:
ee804238 3082 case AARCH64_OPND_PAIRREG:
047cd301 3083 case AARCH64_OPND_SVE_Rm:
a06ea964 3084 /* The optional-ness of <Xt> in e.g. IC <ic_op>{, <Xt>} is determined by
de194d85 3085 the <ic_op>, therefore we use opnd->present to override the
a06ea964 3086 generic optional-ness information. */
362c0c4d
JW
3087 if (opnd->type == AARCH64_OPND_Rt_SYS)
3088 {
3089 if (!opnd->present)
3090 break;
3091 }
a06ea964 3092 /* Omit the operand, e.g. RET. */
362c0c4d
JW
3093 else if (optional_operand_p (opcode, idx)
3094 && (opnd->reg.regno
3095 == get_optional_operand_default_value (opcode)))
a06ea964
NC
3096 break;
3097 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3098 || opnd->qualifier == AARCH64_OPND_QLF_X);
3099 snprintf (buf, size, "%s",
3100 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3101 break;
3102
3103 case AARCH64_OPND_Rd_SP:
3104 case AARCH64_OPND_Rn_SP:
047cd301 3105 case AARCH64_OPND_SVE_Rn_SP:
c84364ec 3106 case AARCH64_OPND_Rm_SP:
a06ea964
NC
3107 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3108 || opnd->qualifier == AARCH64_OPND_QLF_WSP
3109 || opnd->qualifier == AARCH64_OPND_QLF_X
3110 || opnd->qualifier == AARCH64_OPND_QLF_SP);
3111 snprintf (buf, size, "%s",
3112 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 1));
3113 break;
3114
3115 case AARCH64_OPND_Rm_EXT:
3116 kind = opnd->shifter.kind;
3117 assert (idx == 1 || idx == 2);
3118 if ((aarch64_stack_pointer_p (opnds)
3119 || (idx == 2 && aarch64_stack_pointer_p (opnds + 1)))
3120 && ((opnd->qualifier == AARCH64_OPND_QLF_W
3121 && opnds[0].qualifier == AARCH64_OPND_QLF_W
3122 && kind == AARCH64_MOD_UXTW)
3123 || (opnd->qualifier == AARCH64_OPND_QLF_X
3124 && kind == AARCH64_MOD_UXTX)))
3125 {
3126 /* 'LSL' is the preferred form in this case. */
3127 kind = AARCH64_MOD_LSL;
3128 if (opnd->shifter.amount == 0)
3129 {
3130 /* Shifter omitted. */
3131 snprintf (buf, size, "%s",
3132 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3133 break;
3134 }
3135 }
3136 if (opnd->shifter.amount)
2442d846 3137 snprintf (buf, size, "%s, %s #%" PRIi64,
a06ea964
NC
3138 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3139 aarch64_operand_modifiers[kind].name,
3140 opnd->shifter.amount);
3141 else
3142 snprintf (buf, size, "%s, %s",
3143 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3144 aarch64_operand_modifiers[kind].name);
3145 break;
3146
3147 case AARCH64_OPND_Rm_SFT:
3148 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3149 || opnd->qualifier == AARCH64_OPND_QLF_X);
3150 if (opnd->shifter.amount == 0 && opnd->shifter.kind == AARCH64_MOD_LSL)
3151 snprintf (buf, size, "%s",
3152 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3153 else
2442d846 3154 snprintf (buf, size, "%s, %s #%" PRIi64,
a06ea964
NC
3155 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3156 aarch64_operand_modifiers[opnd->shifter.kind].name,
3157 opnd->shifter.amount);
3158 break;
3159
3160 case AARCH64_OPND_Fd:
3161 case AARCH64_OPND_Fn:
3162 case AARCH64_OPND_Fm:
3163 case AARCH64_OPND_Fa:
3164 case AARCH64_OPND_Ft:
3165 case AARCH64_OPND_Ft2:
3166 case AARCH64_OPND_Sd:
3167 case AARCH64_OPND_Sn:
3168 case AARCH64_OPND_Sm:
047cd301
RS
3169 case AARCH64_OPND_SVE_VZn:
3170 case AARCH64_OPND_SVE_Vd:
3171 case AARCH64_OPND_SVE_Vm:
3172 case AARCH64_OPND_SVE_Vn:
a06ea964
NC
3173 snprintf (buf, size, "%s%d", aarch64_get_qualifier_name (opnd->qualifier),
3174 opnd->reg.regno);
3175 break;
3176
f42f1a1d 3177 case AARCH64_OPND_Va:
a06ea964
NC
3178 case AARCH64_OPND_Vd:
3179 case AARCH64_OPND_Vn:
3180 case AARCH64_OPND_Vm:
3181 snprintf (buf, size, "v%d.%s", opnd->reg.regno,
3182 aarch64_get_qualifier_name (opnd->qualifier));
3183 break;
3184
3185 case AARCH64_OPND_Ed:
3186 case AARCH64_OPND_En:
3187 case AARCH64_OPND_Em:
369c9167 3188 case AARCH64_OPND_Em16:
f42f1a1d 3189 case AARCH64_OPND_SM3_IMM2:
dab26bf4 3190 snprintf (buf, size, "v%d.%s[%" PRIi64 "]", opnd->reglane.regno,
a06ea964
NC
3191 aarch64_get_qualifier_name (opnd->qualifier),
3192 opnd->reglane.index);
3193 break;
3194
3195 case AARCH64_OPND_VdD1:
3196 case AARCH64_OPND_VnD1:
3197 snprintf (buf, size, "v%d.d[1]", opnd->reg.regno);
3198 break;
3199
3200 case AARCH64_OPND_LVn:
3201 case AARCH64_OPND_LVt:
3202 case AARCH64_OPND_LVt_AL:
3203 case AARCH64_OPND_LEt:
8a7f0c1b 3204 print_register_list (buf, size, opnd, "v");
a06ea964
NC
3205 break;
3206
f11ad6bc
RS
3207 case AARCH64_OPND_SVE_Pd:
3208 case AARCH64_OPND_SVE_Pg3:
3209 case AARCH64_OPND_SVE_Pg4_5:
3210 case AARCH64_OPND_SVE_Pg4_10:
3211 case AARCH64_OPND_SVE_Pg4_16:
3212 case AARCH64_OPND_SVE_Pm:
3213 case AARCH64_OPND_SVE_Pn:
3214 case AARCH64_OPND_SVE_Pt:
3215 if (opnd->qualifier == AARCH64_OPND_QLF_NIL)
3216 snprintf (buf, size, "p%d", opnd->reg.regno);
d50c751e
RS
3217 else if (opnd->qualifier == AARCH64_OPND_QLF_P_Z
3218 || opnd->qualifier == AARCH64_OPND_QLF_P_M)
3219 snprintf (buf, size, "p%d/%s", opnd->reg.regno,
3220 aarch64_get_qualifier_name (opnd->qualifier));
f11ad6bc
RS
3221 else
3222 snprintf (buf, size, "p%d.%s", opnd->reg.regno,
3223 aarch64_get_qualifier_name (opnd->qualifier));
3224 break;
3225
3226 case AARCH64_OPND_SVE_Za_5:
3227 case AARCH64_OPND_SVE_Za_16:
3228 case AARCH64_OPND_SVE_Zd:
3229 case AARCH64_OPND_SVE_Zm_5:
3230 case AARCH64_OPND_SVE_Zm_16:
3231 case AARCH64_OPND_SVE_Zn:
3232 case AARCH64_OPND_SVE_Zt:
3233 if (opnd->qualifier == AARCH64_OPND_QLF_NIL)
3234 snprintf (buf, size, "z%d", opnd->reg.regno);
3235 else
3236 snprintf (buf, size, "z%d.%s", opnd->reg.regno,
3237 aarch64_get_qualifier_name (opnd->qualifier));
3238 break;
3239
3240 case AARCH64_OPND_SVE_ZnxN:
3241 case AARCH64_OPND_SVE_ZtxN:
3242 print_register_list (buf, size, opnd, "z");
3243 break;
3244
582e12bf
RS
3245 case AARCH64_OPND_SVE_Zm3_INDEX:
3246 case AARCH64_OPND_SVE_Zm3_22_INDEX:
3247 case AARCH64_OPND_SVE_Zm4_INDEX:
f11ad6bc
RS
3248 case AARCH64_OPND_SVE_Zn_INDEX:
3249 snprintf (buf, size, "z%d.%s[%" PRIi64 "]", opnd->reglane.regno,
3250 aarch64_get_qualifier_name (opnd->qualifier),
3251 opnd->reglane.index);
3252 break;
3253
a6a51754
RL
3254 case AARCH64_OPND_CRn:
3255 case AARCH64_OPND_CRm:
3256 snprintf (buf, size, "C%" PRIi64, opnd->imm.value);
a06ea964
NC
3257 break;
3258
3259 case AARCH64_OPND_IDX:
f42f1a1d 3260 case AARCH64_OPND_MASK:
a06ea964 3261 case AARCH64_OPND_IMM:
f42f1a1d 3262 case AARCH64_OPND_IMM_2:
a06ea964
NC
3263 case AARCH64_OPND_WIDTH:
3264 case AARCH64_OPND_UIMM3_OP1:
3265 case AARCH64_OPND_UIMM3_OP2:
3266 case AARCH64_OPND_BIT_NUM:
3267 case AARCH64_OPND_IMM_VLSL:
3268 case AARCH64_OPND_IMM_VLSR:
3269 case AARCH64_OPND_SHLL_IMM:
3270 case AARCH64_OPND_IMM0:
3271 case AARCH64_OPND_IMMR:
3272 case AARCH64_OPND_IMMS:
3273 case AARCH64_OPND_FBITS:
e950b345
RS
3274 case AARCH64_OPND_SIMM5:
3275 case AARCH64_OPND_SVE_SHLIMM_PRED:
3276 case AARCH64_OPND_SVE_SHLIMM_UNPRED:
3277 case AARCH64_OPND_SVE_SHRIMM_PRED:
3278 case AARCH64_OPND_SVE_SHRIMM_UNPRED:
3279 case AARCH64_OPND_SVE_SIMM5:
3280 case AARCH64_OPND_SVE_SIMM5B:
3281 case AARCH64_OPND_SVE_SIMM6:
3282 case AARCH64_OPND_SVE_SIMM8:
3283 case AARCH64_OPND_SVE_UIMM3:
3284 case AARCH64_OPND_SVE_UIMM7:
3285 case AARCH64_OPND_SVE_UIMM8:
3286 case AARCH64_OPND_SVE_UIMM8_53:
c2c4ff8d
SN
3287 case AARCH64_OPND_IMM_ROT1:
3288 case AARCH64_OPND_IMM_ROT2:
3289 case AARCH64_OPND_IMM_ROT3:
582e12bf
RS
3290 case AARCH64_OPND_SVE_IMM_ROT1:
3291 case AARCH64_OPND_SVE_IMM_ROT2:
a06ea964
NC
3292 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3293 break;
3294
165d4950
RS
3295 case AARCH64_OPND_SVE_I1_HALF_ONE:
3296 case AARCH64_OPND_SVE_I1_HALF_TWO:
3297 case AARCH64_OPND_SVE_I1_ZERO_ONE:
3298 {
3299 single_conv_t c;
3300 c.i = opnd->imm.value;
3301 snprintf (buf, size, "#%.1f", c.f);
3302 break;
3303 }
3304
245d2e3f
RS
3305 case AARCH64_OPND_SVE_PATTERN:
3306 if (optional_operand_p (opcode, idx)
3307 && opnd->imm.value == get_optional_operand_default_value (opcode))
3308 break;
3309 enum_value = opnd->imm.value;
3310 assert (enum_value < ARRAY_SIZE (aarch64_sve_pattern_array));
3311 if (aarch64_sve_pattern_array[enum_value])
3312 snprintf (buf, size, "%s", aarch64_sve_pattern_array[enum_value]);
3313 else
3314 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3315 break;
3316
2442d846
RS
3317 case AARCH64_OPND_SVE_PATTERN_SCALED:
3318 if (optional_operand_p (opcode, idx)
3319 && !opnd->shifter.operator_present
3320 && opnd->imm.value == get_optional_operand_default_value (opcode))
3321 break;
3322 enum_value = opnd->imm.value;
3323 assert (enum_value < ARRAY_SIZE (aarch64_sve_pattern_array));
3324 if (aarch64_sve_pattern_array[opnd->imm.value])
3325 snprintf (buf, size, "%s", aarch64_sve_pattern_array[opnd->imm.value]);
3326 else
3327 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3328 if (opnd->shifter.operator_present)
3329 {
3330 size_t len = strlen (buf);
3331 snprintf (buf + len, size - len, ", %s #%" PRIi64,
3332 aarch64_operand_modifiers[opnd->shifter.kind].name,
3333 opnd->shifter.amount);
3334 }
3335 break;
3336
245d2e3f
RS
3337 case AARCH64_OPND_SVE_PRFOP:
3338 enum_value = opnd->imm.value;
3339 assert (enum_value < ARRAY_SIZE (aarch64_sve_prfop_array));
3340 if (aarch64_sve_prfop_array[enum_value])
3341 snprintf (buf, size, "%s", aarch64_sve_prfop_array[enum_value]);
3342 else
3343 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3344 break;
3345
fb098a1e
YZ
3346 case AARCH64_OPND_IMM_MOV:
3347 switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
3348 {
3349 case 4: /* e.g. MOV Wd, #<imm32>. */
3350 {
3351 int imm32 = opnd->imm.value;
3352 snprintf (buf, size, "#0x%-20x\t// #%d", imm32, imm32);
3353 }
3354 break;
3355 case 8: /* e.g. MOV Xd, #<imm64>. */
3356 snprintf (buf, size, "#0x%-20" PRIx64 "\t// #%" PRIi64,
3357 opnd->imm.value, opnd->imm.value);
3358 break;
3359 default: assert (0);
3360 }
3361 break;
3362
a06ea964
NC
3363 case AARCH64_OPND_FPIMM0:
3364 snprintf (buf, size, "#0.0");
3365 break;
3366
3367 case AARCH64_OPND_LIMM:
3368 case AARCH64_OPND_AIMM:
3369 case AARCH64_OPND_HALF:
e950b345
RS
3370 case AARCH64_OPND_SVE_INV_LIMM:
3371 case AARCH64_OPND_SVE_LIMM:
3372 case AARCH64_OPND_SVE_LIMM_MOV:
a06ea964 3373 if (opnd->shifter.amount)
2442d846 3374 snprintf (buf, size, "#0x%" PRIx64 ", lsl #%" PRIi64, opnd->imm.value,
a06ea964
NC
3375 opnd->shifter.amount);
3376 else
3377 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
3378 break;
3379
3380 case AARCH64_OPND_SIMD_IMM:
3381 case AARCH64_OPND_SIMD_IMM_SFT:
3382 if ((! opnd->shifter.amount && opnd->shifter.kind == AARCH64_MOD_LSL)
3383 || opnd->shifter.kind == AARCH64_MOD_NONE)
3384 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
3385 else
2442d846 3386 snprintf (buf, size, "#0x%" PRIx64 ", %s #%" PRIi64, opnd->imm.value,
a06ea964
NC
3387 aarch64_operand_modifiers[opnd->shifter.kind].name,
3388 opnd->shifter.amount);
3389 break;
3390
e950b345
RS
3391 case AARCH64_OPND_SVE_AIMM:
3392 case AARCH64_OPND_SVE_ASIMM:
3393 if (opnd->shifter.amount)
3394 snprintf (buf, size, "#%" PRIi64 ", lsl #%" PRIi64, opnd->imm.value,
3395 opnd->shifter.amount);
3396 else
3397 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3398 break;
3399
a06ea964
NC
3400 case AARCH64_OPND_FPIMM:
3401 case AARCH64_OPND_SIMD_FPIMM:
165d4950 3402 case AARCH64_OPND_SVE_FPIMM8:
a06ea964
NC
3403 switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
3404 {
cf86120b
MW
3405 case 2: /* e.g. FMOV <Hd>, #<imm>. */
3406 {
3407 half_conv_t c;
3408 c.i = expand_fp_imm (2, opnd->imm.value);
3409 snprintf (buf, size, "#%.18e", c.f);
3410 }
3411 break;
a06ea964
NC
3412 case 4: /* e.g. FMOV <Vd>.4S, #<imm>. */
3413 {
3414 single_conv_t c;
cf86120b 3415 c.i = expand_fp_imm (4, opnd->imm.value);
a06ea964
NC
3416 snprintf (buf, size, "#%.18e", c.f);
3417 }
3418 break;
3419 case 8: /* e.g. FMOV <Sd>, #<imm>. */
3420 {
3421 double_conv_t c;
cf86120b 3422 c.i = expand_fp_imm (8, opnd->imm.value);
a06ea964
NC
3423 snprintf (buf, size, "#%.18e", c.d);
3424 }
3425 break;
3426 default: assert (0);
3427 }
3428 break;
3429
3430 case AARCH64_OPND_CCMP_IMM:
3431 case AARCH64_OPND_NZCV:
3432 case AARCH64_OPND_EXCEPTION:
3433 case AARCH64_OPND_UIMM4:
3434 case AARCH64_OPND_UIMM7:
3435 if (optional_operand_p (opcode, idx) == TRUE
3436 && (opnd->imm.value ==
3437 (int64_t) get_optional_operand_default_value (opcode)))
3438 /* Omit the operand, e.g. DCPS1. */
3439 break;
3440 snprintf (buf, size, "#0x%x", (unsigned int)opnd->imm.value);
3441 break;
3442
3443 case AARCH64_OPND_COND:
68a64283 3444 case AARCH64_OPND_COND1:
a06ea964 3445 snprintf (buf, size, "%s", opnd->cond->names[0]);
bb7eff52
RS
3446 num_conds = ARRAY_SIZE (opnd->cond->names);
3447 for (i = 1; i < num_conds && opnd->cond->names[i]; ++i)
3448 {
3449 size_t len = strlen (buf);
3450 if (i == 1)
3451 snprintf (buf + len, size - len, " // %s = %s",
3452 opnd->cond->names[0], opnd->cond->names[i]);
3453 else
3454 snprintf (buf + len, size - len, ", %s",
3455 opnd->cond->names[i]);
3456 }
a06ea964
NC
3457 break;
3458
3459 case AARCH64_OPND_ADDR_ADRP:
3460 addr = ((pc + AARCH64_PCREL_OFFSET) & ~(uint64_t)0xfff)
3461 + opnd->imm.value;
3462 if (pcrel_p)
3463 *pcrel_p = 1;
3464 if (address)
3465 *address = addr;
3466 /* This is not necessary during the disassembling, as print_address_func
3467 in the disassemble_info will take care of the printing. But some
3468 other callers may be still interested in getting the string in *STR,
3469 so here we do snprintf regardless. */
3470 snprintf (buf, size, "#0x%" PRIx64, addr);
3471 break;
3472
3473 case AARCH64_OPND_ADDR_PCREL14:
3474 case AARCH64_OPND_ADDR_PCREL19:
3475 case AARCH64_OPND_ADDR_PCREL21:
3476 case AARCH64_OPND_ADDR_PCREL26:
3477 addr = pc + AARCH64_PCREL_OFFSET + opnd->imm.value;
3478 if (pcrel_p)
3479 *pcrel_p = 1;
3480 if (address)
3481 *address = addr;
3482 /* This is not necessary during the disassembling, as print_address_func
3483 in the disassemble_info will take care of the printing. But some
3484 other callers may be still interested in getting the string in *STR,
3485 so here we do snprintf regardless. */
3486 snprintf (buf, size, "#0x%" PRIx64, addr);
3487 break;
3488
3489 case AARCH64_OPND_ADDR_SIMPLE:
3490 case AARCH64_OPND_SIMD_ADDR_SIMPLE:
3491 case AARCH64_OPND_SIMD_ADDR_POST:
3492 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
3493 if (opnd->type == AARCH64_OPND_SIMD_ADDR_POST)
3494 {
3495 if (opnd->addr.offset.is_reg)
3496 snprintf (buf, size, "[%s], x%d", name, opnd->addr.offset.regno);
3497 else
3498 snprintf (buf, size, "[%s], #%d", name, opnd->addr.offset.imm);
3499 }
3500 else
3501 snprintf (buf, size, "[%s]", name);
3502 break;
3503
3504 case AARCH64_OPND_ADDR_REGOFF:
c8d59609 3505 case AARCH64_OPND_SVE_ADDR_R:
4df068de
RS
3506 case AARCH64_OPND_SVE_ADDR_RR:
3507 case AARCH64_OPND_SVE_ADDR_RR_LSL1:
3508 case AARCH64_OPND_SVE_ADDR_RR_LSL2:
3509 case AARCH64_OPND_SVE_ADDR_RR_LSL3:
3510 case AARCH64_OPND_SVE_ADDR_RX:
3511 case AARCH64_OPND_SVE_ADDR_RX_LSL1:
3512 case AARCH64_OPND_SVE_ADDR_RX_LSL2:
3513 case AARCH64_OPND_SVE_ADDR_RX_LSL3:
01dbfe4c
RS
3514 print_register_offset_address
3515 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1),
3516 get_offset_int_reg_name (opnd));
a06ea964
NC
3517 break;
3518
4df068de
RS
3519 case AARCH64_OPND_SVE_ADDR_RZ:
3520 case AARCH64_OPND_SVE_ADDR_RZ_LSL1:
3521 case AARCH64_OPND_SVE_ADDR_RZ_LSL2:
3522 case AARCH64_OPND_SVE_ADDR_RZ_LSL3:
3523 case AARCH64_OPND_SVE_ADDR_RZ_XTW_14:
3524 case AARCH64_OPND_SVE_ADDR_RZ_XTW_22:
3525 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_14:
3526 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_22:
3527 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_14:
3528 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_22:
3529 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_14:
3530 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_22:
3531 print_register_offset_address
3532 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1),
3533 get_addr_sve_reg_name (opnd->addr.offset.regno, opnd->qualifier));
3534 break;
3535
a06ea964
NC
3536 case AARCH64_OPND_ADDR_SIMM7:
3537 case AARCH64_OPND_ADDR_SIMM9:
3538 case AARCH64_OPND_ADDR_SIMM9_2:
3f06e550 3539 case AARCH64_OPND_ADDR_SIMM10:
f42f1a1d 3540 case AARCH64_OPND_ADDR_OFFSET:
582e12bf 3541 case AARCH64_OPND_SVE_ADDR_RI_S4x16:
98907a70
RS
3542 case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
3543 case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
3544 case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
3545 case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL:
3546 case AARCH64_OPND_SVE_ADDR_RI_S6xVL:
3547 case AARCH64_OPND_SVE_ADDR_RI_S9xVL:
4df068de
RS
3548 case AARCH64_OPND_SVE_ADDR_RI_U6:
3549 case AARCH64_OPND_SVE_ADDR_RI_U6x2:
3550 case AARCH64_OPND_SVE_ADDR_RI_U6x4:
3551 case AARCH64_OPND_SVE_ADDR_RI_U6x8:
01dbfe4c
RS
3552 print_immediate_offset_address
3553 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1));
a06ea964
NC
3554 break;
3555
4df068de
RS
3556 case AARCH64_OPND_SVE_ADDR_ZI_U5:
3557 case AARCH64_OPND_SVE_ADDR_ZI_U5x2:
3558 case AARCH64_OPND_SVE_ADDR_ZI_U5x4:
3559 case AARCH64_OPND_SVE_ADDR_ZI_U5x8:
3560 print_immediate_offset_address
3561 (buf, size, opnd,
3562 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier));
3563 break;
3564
3565 case AARCH64_OPND_SVE_ADDR_ZZ_LSL:
3566 case AARCH64_OPND_SVE_ADDR_ZZ_SXTW:
3567 case AARCH64_OPND_SVE_ADDR_ZZ_UXTW:
3568 print_register_offset_address
3569 (buf, size, opnd,
3570 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier),
3571 get_addr_sve_reg_name (opnd->addr.offset.regno, opnd->qualifier));
3572 break;
3573
a06ea964
NC
3574 case AARCH64_OPND_ADDR_UIMM12:
3575 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
3576 if (opnd->addr.offset.imm)
ad43e107 3577 snprintf (buf, size, "[%s, #%d]", name, opnd->addr.offset.imm);
a06ea964
NC
3578 else
3579 snprintf (buf, size, "[%s]", name);
3580 break;
3581
3582 case AARCH64_OPND_SYSREG:
3583 for (i = 0; aarch64_sys_regs[i].name; ++i)
f9830ec1
TC
3584 {
3585 bfd_boolean exact_match
3586 = (aarch64_sys_regs[i].flags & opnd->sysreg.flags)
3587 == opnd->sysreg.flags;
3588
3589 /* Try and find an exact match, But if that fails, return the first
3590 partial match that was found. */
3591 if (aarch64_sys_regs[i].value == opnd->sysreg.value
3592 && ! aarch64_sys_reg_deprecated_p (&aarch64_sys_regs[i])
3593 && (name == NULL || exact_match))
3594 {
3595 name = aarch64_sys_regs[i].name;
3596 if (exact_match)
3597 {
3598 if (notes)
3599 *notes = NULL;
3600 break;
3601 }
3602
3603 /* If we didn't match exactly, that means the presense of a flag
3604 indicates what we didn't want for this instruction. e.g. If
3605 F_REG_READ is there, that means we were looking for a write
3606 register. See aarch64_ext_sysreg. */
3607 if (aarch64_sys_regs[i].flags & F_REG_WRITE)
bde90be2 3608 *notes = _("reading from a write-only register");
f9830ec1 3609 else if (aarch64_sys_regs[i].flags & F_REG_READ)
bde90be2 3610 *notes = _("writing to a read-only register");
f9830ec1
TC
3611 }
3612 }
3613
3614 if (name)
3615 snprintf (buf, size, "%s", name);
a06ea964
NC
3616 else
3617 {
3618 /* Implementation defined system register. */
561a72d4 3619 unsigned int value = opnd->sysreg.value;
a06ea964
NC
3620 snprintf (buf, size, "s%u_%u_c%u_c%u_%u", (value >> 14) & 0x3,
3621 (value >> 11) & 0x7, (value >> 7) & 0xf, (value >> 3) & 0xf,
3622 value & 0x7);
3623 }
3624 break;
3625
3626 case AARCH64_OPND_PSTATEFIELD:
3627 for (i = 0; aarch64_pstatefields[i].name; ++i)
3628 if (aarch64_pstatefields[i].value == opnd->pstatefield)
3629 break;
3630 assert (aarch64_pstatefields[i].name);
3631 snprintf (buf, size, "%s", aarch64_pstatefields[i].name);
3632 break;
3633
3634 case AARCH64_OPND_SYSREG_AT:
3635 case AARCH64_OPND_SYSREG_DC:
3636 case AARCH64_OPND_SYSREG_IC:
3637 case AARCH64_OPND_SYSREG_TLBI:
2ac435d4 3638 case AARCH64_OPND_SYSREG_SR:
875880c6 3639 snprintf (buf, size, "%s", opnd->sysins_op->name);
a06ea964
NC
3640 break;
3641
3642 case AARCH64_OPND_BARRIER:
3643 snprintf (buf, size, "%s", opnd->barrier->name);
3644 break;
3645
3646 case AARCH64_OPND_BARRIER_ISB:
3647 /* Operand can be omitted, e.g. in DCPS1. */
3648 if (! optional_operand_p (opcode, idx)
3649 || (opnd->barrier->value
3650 != get_optional_operand_default_value (opcode)))
3651 snprintf (buf, size, "#0x%x", opnd->barrier->value);
3652 break;
3653
3654 case AARCH64_OPND_PRFOP:
a1ccaec9
YZ
3655 if (opnd->prfop->name != NULL)
3656 snprintf (buf, size, "%s", opnd->prfop->name);
3657 else
3658 snprintf (buf, size, "#0x%02x", opnd->prfop->value);
a06ea964
NC
3659 break;
3660
1e6f4800 3661 case AARCH64_OPND_BARRIER_PSB:
ff605452
SD
3662 case AARCH64_OPND_BTI_TARGET:
3663 if ((HINT_FLAG (opnd->hint_option->value) & HINT_OPD_F_NOPRINT) == 0)
3664 snprintf (buf, size, "%s", opnd->hint_option->name);
1e6f4800
MW
3665 break;
3666
a06ea964
NC
3667 default:
3668 assert (0);
3669 }
3670}
3671\f
3672#define CPENC(op0,op1,crn,crm,op2) \
3673 ((((op0) << 19) | ((op1) << 16) | ((crn) << 12) | ((crm) << 8) | ((op2) << 5)) >> 5)
3674 /* for 3.9.3 Instructions for Accessing Special Purpose Registers */
3675#define CPEN_(op1,crm,op2) CPENC(3,(op1),4,(crm),(op2))
3676 /* for 3.9.10 System Instructions */
3677#define CPENS(op1,crn,crm,op2) CPENC(1,(op1),(crn),(crm),(op2))
3678
3679#define C0 0
3680#define C1 1
3681#define C2 2
3682#define C3 3
3683#define C4 4
3684#define C5 5
3685#define C6 6
3686#define C7 7
3687#define C8 8
3688#define C9 9
3689#define C10 10
3690#define C11 11
3691#define C12 12
3692#define C13 13
3693#define C14 14
3694#define C15 15
3695
f9830ec1
TC
3696/* TODO there is one more issues need to be resolved
3697 1. handle cpu-implementation-defined system registers. */
49eec193
YZ
3698const aarch64_sys_reg aarch64_sys_regs [] =
3699{
3700 { "spsr_el1", CPEN_(0,C0,0), 0 }, /* = spsr_svc */
250aafa4 3701 { "spsr_el12", CPEN_ (5, C0, 0), F_ARCHEXT },
49eec193 3702 { "elr_el1", CPEN_(0,C0,1), 0 },
250aafa4 3703 { "elr_el12", CPEN_ (5, C0, 1), F_ARCHEXT },
49eec193
YZ
3704 { "sp_el0", CPEN_(0,C1,0), 0 },
3705 { "spsel", CPEN_(0,C2,0), 0 },
3706 { "daif", CPEN_(3,C2,1), 0 },
f9830ec1 3707 { "currentel", CPEN_(0,C2,2), F_REG_READ }, /* RO */
f21cce2c 3708 { "pan", CPEN_(0,C2,3), F_ARCHEXT },
6479e48e 3709 { "uao", CPEN_ (0, C2, 4), F_ARCHEXT },
49eec193
YZ
3710 { "nzcv", CPEN_(3,C2,0), 0 },
3711 { "fpcr", CPEN_(3,C4,0), 0 },
3712 { "fpsr", CPEN_(3,C4,1), 0 },
3713 { "dspsr_el0", CPEN_(3,C5,0), 0 },
3714 { "dlr_el0", CPEN_(3,C5,1), 0 },
3715 { "spsr_el2", CPEN_(4,C0,0), 0 }, /* = spsr_hyp */
3716 { "elr_el2", CPEN_(4,C0,1), 0 },
3717 { "sp_el1", CPEN_(4,C1,0), 0 },
3718 { "spsr_irq", CPEN_(4,C3,0), 0 },
3719 { "spsr_abt", CPEN_(4,C3,1), 0 },
3720 { "spsr_und", CPEN_(4,C3,2), 0 },
3721 { "spsr_fiq", CPEN_(4,C3,3), 0 },
3722 { "spsr_el3", CPEN_(6,C0,0), 0 },
3723 { "elr_el3", CPEN_(6,C0,1), 0 },
3724 { "sp_el2", CPEN_(6,C1,0), 0 },
3725 { "spsr_svc", CPEN_(0,C0,0), F_DEPRECATED }, /* = spsr_el1 */
3726 { "spsr_hyp", CPEN_(4,C0,0), F_DEPRECATED }, /* = spsr_el2 */
f9830ec1
TC
3727 { "midr_el1", CPENC(3,0,C0,C0,0), F_REG_READ }, /* RO */
3728 { "ctr_el0", CPENC(3,3,C0,C0,1), F_REG_READ }, /* RO */
3729 { "mpidr_el1", CPENC(3,0,C0,C0,5), F_REG_READ }, /* RO */
3730 { "revidr_el1", CPENC(3,0,C0,C0,6), F_REG_READ }, /* RO */
3731 { "aidr_el1", CPENC(3,1,C0,C0,7), F_REG_READ }, /* RO */
3732 { "dczid_el0", CPENC(3,3,C0,C0,7), F_REG_READ }, /* RO */
3733 { "id_dfr0_el1", CPENC(3,0,C0,C1,2), F_REG_READ }, /* RO */
3734 { "id_pfr0_el1", CPENC(3,0,C0,C1,0), F_REG_READ }, /* RO */
3735 { "id_pfr1_el1", CPENC(3,0,C0,C1,1), F_REG_READ }, /* RO */
3736 { "id_afr0_el1", CPENC(3,0,C0,C1,3), F_REG_READ }, /* RO */
3737 { "id_mmfr0_el1", CPENC(3,0,C0,C1,4), F_REG_READ }, /* RO */
3738 { "id_mmfr1_el1", CPENC(3,0,C0,C1,5), F_REG_READ }, /* RO */
3739 { "id_mmfr2_el1", CPENC(3,0,C0,C1,6), F_REG_READ }, /* RO */
3740 { "id_mmfr3_el1", CPENC(3,0,C0,C1,7), F_REG_READ }, /* RO */
3741 { "id_mmfr4_el1", CPENC(3,0,C0,C2,6), F_REG_READ }, /* RO */
3742 { "id_isar0_el1", CPENC(3,0,C0,C2,0), F_REG_READ }, /* RO */
3743 { "id_isar1_el1", CPENC(3,0,C0,C2,1), F_REG_READ }, /* RO */
3744 { "id_isar2_el1", CPENC(3,0,C0,C2,2), F_REG_READ }, /* RO */
3745 { "id_isar3_el1", CPENC(3,0,C0,C2,3), F_REG_READ }, /* RO */
3746 { "id_isar4_el1", CPENC(3,0,C0,C2,4), F_REG_READ }, /* RO */
3747 { "id_isar5_el1", CPENC(3,0,C0,C2,5), F_REG_READ }, /* RO */
3748 { "mvfr0_el1", CPENC(3,0,C0,C3,0), F_REG_READ }, /* RO */
3749 { "mvfr1_el1", CPENC(3,0,C0,C3,1), F_REG_READ }, /* RO */
3750 { "mvfr2_el1", CPENC(3,0,C0,C3,2), F_REG_READ }, /* RO */
3751 { "ccsidr_el1", CPENC(3,1,C0,C0,0), F_REG_READ }, /* RO */
3752 { "id_aa64pfr0_el1", CPENC(3,0,C0,C4,0), F_REG_READ }, /* RO */
3753 { "id_aa64pfr1_el1", CPENC(3,0,C0,C4,1), F_REG_READ }, /* RO */
3754 { "id_aa64dfr0_el1", CPENC(3,0,C0,C5,0), F_REG_READ }, /* RO */
3755 { "id_aa64dfr1_el1", CPENC(3,0,C0,C5,1), F_REG_READ }, /* RO */
3756 { "id_aa64isar0_el1", CPENC(3,0,C0,C6,0), F_REG_READ }, /* RO */
3757 { "id_aa64isar1_el1", CPENC(3,0,C0,C6,1), F_REG_READ }, /* RO */
3758 { "id_aa64mmfr0_el1", CPENC(3,0,C0,C7,0), F_REG_READ }, /* RO */
3759 { "id_aa64mmfr1_el1", CPENC(3,0,C0,C7,1), F_REG_READ }, /* RO */
3760 { "id_aa64mmfr2_el1", CPENC (3, 0, C0, C7, 2), F_ARCHEXT | F_REG_READ }, /* RO */
3761 { "id_aa64afr0_el1", CPENC(3,0,C0,C5,4), F_REG_READ }, /* RO */
3762 { "id_aa64afr1_el1", CPENC(3,0,C0,C5,5), F_REG_READ }, /* RO */
3763 { "id_aa64zfr0_el1", CPENC (3, 0, C0, C4, 4), F_ARCHEXT | F_REG_READ }, /* RO */
3764 { "clidr_el1", CPENC(3,1,C0,C0,1), F_REG_READ }, /* RO */
cba05feb 3765 { "csselr_el1", CPENC(3,2,C0,C0,0), 0 },
49eec193
YZ
3766 { "vpidr_el2", CPENC(3,4,C0,C0,0), 0 },
3767 { "vmpidr_el2", CPENC(3,4,C0,C0,5), 0 },
3768 { "sctlr_el1", CPENC(3,0,C1,C0,0), 0 },
3769 { "sctlr_el2", CPENC(3,4,C1,C0,0), 0 },
3770 { "sctlr_el3", CPENC(3,6,C1,C0,0), 0 },
250aafa4 3771 { "sctlr_el12", CPENC (3, 5, C1, C0, 0), F_ARCHEXT },
49eec193
YZ
3772 { "actlr_el1", CPENC(3,0,C1,C0,1), 0 },
3773 { "actlr_el2", CPENC(3,4,C1,C0,1), 0 },
3774 { "actlr_el3", CPENC(3,6,C1,C0,1), 0 },
3775 { "cpacr_el1", CPENC(3,0,C1,C0,2), 0 },
250aafa4 3776 { "cpacr_el12", CPENC (3, 5, C1, C0, 2), F_ARCHEXT },
49eec193
YZ
3777 { "cptr_el2", CPENC(3,4,C1,C1,2), 0 },
3778 { "cptr_el3", CPENC(3,6,C1,C1,2), 0 },
3779 { "scr_el3", CPENC(3,6,C1,C1,0), 0 },
3780 { "hcr_el2", CPENC(3,4,C1,C1,0), 0 },
3781 { "mdcr_el2", CPENC(3,4,C1,C1,1), 0 },
3782 { "mdcr_el3", CPENC(3,6,C1,C3,1), 0 },
3783 { "hstr_el2", CPENC(3,4,C1,C1,3), 0 },
3784 { "hacr_el2", CPENC(3,4,C1,C1,7), 0 },
773fb663
RS
3785 { "zcr_el1", CPENC (3, 0, C1, C2, 0), F_ARCHEXT },
3786 { "zcr_el12", CPENC (3, 5, C1, C2, 0), F_ARCHEXT },
3787 { "zcr_el2", CPENC (3, 4, C1, C2, 0), F_ARCHEXT },
3788 { "zcr_el3", CPENC (3, 6, C1, C2, 0), F_ARCHEXT },
3789 { "zidr_el1", CPENC (3, 0, C0, C0, 7), F_ARCHEXT },
49eec193
YZ
3790 { "ttbr0_el1", CPENC(3,0,C2,C0,0), 0 },
3791 { "ttbr1_el1", CPENC(3,0,C2,C0,1), 0 },
3792 { "ttbr0_el2", CPENC(3,4,C2,C0,0), 0 },
250aafa4 3793 { "ttbr1_el2", CPENC (3, 4, C2, C0, 1), F_ARCHEXT },
49eec193 3794 { "ttbr0_el3", CPENC(3,6,C2,C0,0), 0 },
250aafa4
MW
3795 { "ttbr0_el12", CPENC (3, 5, C2, C0, 0), F_ARCHEXT },
3796 { "ttbr1_el12", CPENC (3, 5, C2, C0, 1), F_ARCHEXT },
49eec193
YZ
3797 { "vttbr_el2", CPENC(3,4,C2,C1,0), 0 },
3798 { "tcr_el1", CPENC(3,0,C2,C0,2), 0 },
3799 { "tcr_el2", CPENC(3,4,C2,C0,2), 0 },
3800 { "tcr_el3", CPENC(3,6,C2,C0,2), 0 },
250aafa4 3801 { "tcr_el12", CPENC (3, 5, C2, C0, 2), F_ARCHEXT },
49eec193 3802 { "vtcr_el2", CPENC(3,4,C2,C1,2), 0 },
b0bfa7b5
SN
3803 { "apiakeylo_el1", CPENC (3, 0, C2, C1, 0), F_ARCHEXT },
3804 { "apiakeyhi_el1", CPENC (3, 0, C2, C1, 1), F_ARCHEXT },
3805 { "apibkeylo_el1", CPENC (3, 0, C2, C1, 2), F_ARCHEXT },
3806 { "apibkeyhi_el1", CPENC (3, 0, C2, C1, 3), F_ARCHEXT },
3807 { "apdakeylo_el1", CPENC (3, 0, C2, C2, 0), F_ARCHEXT },
3808 { "apdakeyhi_el1", CPENC (3, 0, C2, C2, 1), F_ARCHEXT },
3809 { "apdbkeylo_el1", CPENC (3, 0, C2, C2, 2), F_ARCHEXT },
3810 { "apdbkeyhi_el1", CPENC (3, 0, C2, C2, 3), F_ARCHEXT },
3811 { "apgakeylo_el1", CPENC (3, 0, C2, C3, 0), F_ARCHEXT },
3812 { "apgakeyhi_el1", CPENC (3, 0, C2, C3, 1), F_ARCHEXT },
49eec193
YZ
3813 { "afsr0_el1", CPENC(3,0,C5,C1,0), 0 },
3814 { "afsr1_el1", CPENC(3,0,C5,C1,1), 0 },
3815 { "afsr0_el2", CPENC(3,4,C5,C1,0), 0 },
3816 { "afsr1_el2", CPENC(3,4,C5,C1,1), 0 },
3817 { "afsr0_el3", CPENC(3,6,C5,C1,0), 0 },
250aafa4 3818 { "afsr0_el12", CPENC (3, 5, C5, C1, 0), F_ARCHEXT },
49eec193 3819 { "afsr1_el3", CPENC(3,6,C5,C1,1), 0 },
250aafa4 3820 { "afsr1_el12", CPENC (3, 5, C5, C1, 1), F_ARCHEXT },
49eec193
YZ
3821 { "esr_el1", CPENC(3,0,C5,C2,0), 0 },
3822 { "esr_el2", CPENC(3,4,C5,C2,0), 0 },
3823 { "esr_el3", CPENC(3,6,C5,C2,0), 0 },
250aafa4 3824 { "esr_el12", CPENC (3, 5, C5, C2, 0), F_ARCHEXT },
cba05feb 3825 { "vsesr_el2", CPENC (3, 4, C5, C2, 3), F_ARCHEXT },
49eec193 3826 { "fpexc32_el2", CPENC(3,4,C5,C3,0), 0 },
f9830ec1 3827 { "erridr_el1", CPENC (3, 0, C5, C3, 0), F_ARCHEXT | F_REG_READ }, /* RO */
47f81142 3828 { "errselr_el1", CPENC (3, 0, C5, C3, 1), F_ARCHEXT },
f9830ec1 3829 { "erxfr_el1", CPENC (3, 0, C5, C4, 0), F_ARCHEXT | F_REG_READ }, /* RO */
47f81142
MW
3830 { "erxctlr_el1", CPENC (3, 0, C5, C4, 1), F_ARCHEXT },
3831 { "erxstatus_el1", CPENC (3, 0, C5, C4, 2), F_ARCHEXT },
3832 { "erxaddr_el1", CPENC (3, 0, C5, C4, 3), F_ARCHEXT },
3833 { "erxmisc0_el1", CPENC (3, 0, C5, C5, 0), F_ARCHEXT },
3834 { "erxmisc1_el1", CPENC (3, 0, C5, C5, 1), F_ARCHEXT },
49eec193
YZ
3835 { "far_el1", CPENC(3,0,C6,C0,0), 0 },
3836 { "far_el2", CPENC(3,4,C6,C0,0), 0 },
3837 { "far_el3", CPENC(3,6,C6,C0,0), 0 },
250aafa4 3838 { "far_el12", CPENC (3, 5, C6, C0, 0), F_ARCHEXT },
49eec193
YZ
3839 { "hpfar_el2", CPENC(3,4,C6,C0,4), 0 },
3840 { "par_el1", CPENC(3,0,C7,C4,0), 0 },
3841 { "mair_el1", CPENC(3,0,C10,C2,0), 0 },
3842 { "mair_el2", CPENC(3,4,C10,C2,0), 0 },
3843 { "mair_el3", CPENC(3,6,C10,C2,0), 0 },
250aafa4 3844 { "mair_el12", CPENC (3, 5, C10, C2, 0), F_ARCHEXT },
49eec193
YZ
3845 { "amair_el1", CPENC(3,0,C10,C3,0), 0 },
3846 { "amair_el2", CPENC(3,4,C10,C3,0), 0 },
3847 { "amair_el3", CPENC(3,6,C10,C3,0), 0 },
250aafa4 3848 { "amair_el12", CPENC (3, 5, C10, C3, 0), F_ARCHEXT },
49eec193
YZ
3849 { "vbar_el1", CPENC(3,0,C12,C0,0), 0 },
3850 { "vbar_el2", CPENC(3,4,C12,C0,0), 0 },
3851 { "vbar_el3", CPENC(3,6,C12,C0,0), 0 },
250aafa4 3852 { "vbar_el12", CPENC (3, 5, C12, C0, 0), F_ARCHEXT },
f9830ec1
TC
3853 { "rvbar_el1", CPENC(3,0,C12,C0,1), F_REG_READ }, /* RO */
3854 { "rvbar_el2", CPENC(3,4,C12,C0,1), F_REG_READ }, /* RO */
3855 { "rvbar_el3", CPENC(3,6,C12,C0,1), F_REG_READ }, /* RO */
49eec193
YZ
3856 { "rmr_el1", CPENC(3,0,C12,C0,2), 0 },
3857 { "rmr_el2", CPENC(3,4,C12,C0,2), 0 },
3858 { "rmr_el3", CPENC(3,6,C12,C0,2), 0 },
f9830ec1 3859 { "isr_el1", CPENC(3,0,C12,C1,0), F_REG_READ }, /* RO */
47f81142
MW
3860 { "disr_el1", CPENC (3, 0, C12, C1, 1), F_ARCHEXT },
3861 { "vdisr_el2", CPENC (3, 4, C12, C1, 1), F_ARCHEXT },
49eec193 3862 { "contextidr_el1", CPENC(3,0,C13,C0,1), 0 },
250aafa4
MW
3863 { "contextidr_el2", CPENC (3, 4, C13, C0, 1), F_ARCHEXT },
3864 { "contextidr_el12", CPENC (3, 5, C13, C0, 1), F_ARCHEXT },
af4bcb4c
SD
3865 { "rndr", CPENC(3,3,C2,C4,0), F_ARCHEXT | F_REG_READ }, /* RO */
3866 { "rndrrs", CPENC(3,3,C2,C4,1), F_ARCHEXT | F_REG_READ }, /* RO */
49eec193 3867 { "tpidr_el0", CPENC(3,3,C13,C0,2), 0 },
f9830ec1 3868 { "tpidrro_el0", CPENC(3,3,C13,C0,3), 0 }, /* RW */
49eec193
YZ
3869 { "tpidr_el1", CPENC(3,0,C13,C0,4), 0 },
3870 { "tpidr_el2", CPENC(3,4,C13,C0,2), 0 },
3871 { "tpidr_el3", CPENC(3,6,C13,C0,2), 0 },
3872 { "teecr32_el1", CPENC(2,2,C0, C0,0), 0 }, /* See section 3.9.7.1 */
f9830ec1
TC
3873 { "cntfrq_el0", CPENC(3,3,C14,C0,0), 0 }, /* RW */
3874 { "cntpct_el0", CPENC(3,3,C14,C0,1), F_REG_READ }, /* RO */
3875 { "cntvct_el0", CPENC(3,3,C14,C0,2), F_REG_READ }, /* RO */
49eec193
YZ
3876 { "cntvoff_el2", CPENC(3,4,C14,C0,3), 0 },
3877 { "cntkctl_el1", CPENC(3,0,C14,C1,0), 0 },
250aafa4 3878 { "cntkctl_el12", CPENC (3, 5, C14, C1, 0), F_ARCHEXT },
49eec193
YZ
3879 { "cnthctl_el2", CPENC(3,4,C14,C1,0), 0 },
3880 { "cntp_tval_el0", CPENC(3,3,C14,C2,0), 0 },
250aafa4 3881 { "cntp_tval_el02", CPENC (3, 5, C14, C2, 0), F_ARCHEXT },
49eec193 3882 { "cntp_ctl_el0", CPENC(3,3,C14,C2,1), 0 },
250aafa4 3883 { "cntp_ctl_el02", CPENC (3, 5, C14, C2, 1), F_ARCHEXT },
49eec193 3884 { "cntp_cval_el0", CPENC(3,3,C14,C2,2), 0 },
250aafa4 3885 { "cntp_cval_el02", CPENC (3, 5, C14, C2, 2), F_ARCHEXT },
49eec193 3886 { "cntv_tval_el0", CPENC(3,3,C14,C3,0), 0 },
250aafa4 3887 { "cntv_tval_el02", CPENC (3, 5, C14, C3, 0), F_ARCHEXT },
49eec193 3888 { "cntv_ctl_el0", CPENC(3,3,C14,C3,1), 0 },
250aafa4 3889 { "cntv_ctl_el02", CPENC (3, 5, C14, C3, 1), F_ARCHEXT },
49eec193 3890 { "cntv_cval_el0", CPENC(3,3,C14,C3,2), 0 },
250aafa4 3891 { "cntv_cval_el02", CPENC (3, 5, C14, C3, 2), F_ARCHEXT },
49eec193
YZ
3892 { "cnthp_tval_el2", CPENC(3,4,C14,C2,0), 0 },
3893 { "cnthp_ctl_el2", CPENC(3,4,C14,C2,1), 0 },
3894 { "cnthp_cval_el2", CPENC(3,4,C14,C2,2), 0 },
3895 { "cntps_tval_el1", CPENC(3,7,C14,C2,0), 0 },
3896 { "cntps_ctl_el1", CPENC(3,7,C14,C2,1), 0 },
3897 { "cntps_cval_el1", CPENC(3,7,C14,C2,2), 0 },
250aafa4
MW
3898 { "cnthv_tval_el2", CPENC (3, 4, C14, C3, 0), F_ARCHEXT },
3899 { "cnthv_ctl_el2", CPENC (3, 4, C14, C3, 1), F_ARCHEXT },
3900 { "cnthv_cval_el2", CPENC (3, 4, C14, C3, 2), F_ARCHEXT },
49eec193
YZ
3901 { "dacr32_el2", CPENC(3,4,C3,C0,0), 0 },
3902 { "ifsr32_el2", CPENC(3,4,C5,C0,1), 0 },
3903 { "teehbr32_el1", CPENC(2,2,C1,C0,0), 0 },
3904 { "sder32_el3", CPENC(3,6,C1,C1,1), 0 },
3905 { "mdscr_el1", CPENC(2,0,C0, C2, 2), 0 },
f9830ec1 3906 { "mdccsr_el0", CPENC(2,3,C0, C1, 0), F_REG_READ }, /* r */
49eec193
YZ
3907 { "mdccint_el1", CPENC(2,0,C0, C2, 0), 0 },
3908 { "dbgdtr_el0", CPENC(2,3,C0, C4, 0), 0 },
f9830ec1
TC
3909 { "dbgdtrrx_el0", CPENC(2,3,C0, C5, 0), F_REG_READ }, /* r */
3910 { "dbgdtrtx_el0", CPENC(2,3,C0, C5, 0), F_REG_WRITE }, /* w */
cba05feb
TC
3911 { "osdtrrx_el1", CPENC(2,0,C0, C0, 2), 0 },
3912 { "osdtrtx_el1", CPENC(2,0,C0, C3, 2), 0 },
49eec193
YZ
3913 { "oseccr_el1", CPENC(2,0,C0, C6, 2), 0 },
3914 { "dbgvcr32_el2", CPENC(2,4,C0, C7, 0), 0 },
3915 { "dbgbvr0_el1", CPENC(2,0,C0, C0, 4), 0 },
3916 { "dbgbvr1_el1", CPENC(2,0,C0, C1, 4), 0 },
3917 { "dbgbvr2_el1", CPENC(2,0,C0, C2, 4), 0 },
3918 { "dbgbvr3_el1", CPENC(2,0,C0, C3, 4), 0 },
3919 { "dbgbvr4_el1", CPENC(2,0,C0, C4, 4), 0 },
3920 { "dbgbvr5_el1", CPENC(2,0,C0, C5, 4), 0 },
3921 { "dbgbvr6_el1", CPENC(2,0,C0, C6, 4), 0 },
3922 { "dbgbvr7_el1", CPENC(2,0,C0, C7, 4), 0 },
3923 { "dbgbvr8_el1", CPENC(2,0,C0, C8, 4), 0 },
3924 { "dbgbvr9_el1", CPENC(2,0,C0, C9, 4), 0 },
3925 { "dbgbvr10_el1", CPENC(2,0,C0, C10,4), 0 },
3926 { "dbgbvr11_el1", CPENC(2,0,C0, C11,4), 0 },
3927 { "dbgbvr12_el1", CPENC(2,0,C0, C12,4), 0 },
3928 { "dbgbvr13_el1", CPENC(2,0,C0, C13,4), 0 },
3929 { "dbgbvr14_el1", CPENC(2,0,C0, C14,4), 0 },
3930 { "dbgbvr15_el1", CPENC(2,0,C0, C15,4), 0 },
3931 { "dbgbcr0_el1", CPENC(2,0,C0, C0, 5), 0 },
3932 { "dbgbcr1_el1", CPENC(2,0,C0, C1, 5), 0 },
3933 { "dbgbcr2_el1", CPENC(2,0,C0, C2, 5), 0 },
3934 { "dbgbcr3_el1", CPENC(2,0,C0, C3, 5), 0 },
3935 { "dbgbcr4_el1", CPENC(2,0,C0, C4, 5), 0 },
3936 { "dbgbcr5_el1", CPENC(2,0,C0, C5, 5), 0 },
3937 { "dbgbcr6_el1", CPENC(2,0,C0, C6, 5), 0 },
3938 { "dbgbcr7_el1", CPENC(2,0,C0, C7, 5), 0 },
3939 { "dbgbcr8_el1", CPENC(2,0,C0, C8, 5), 0 },
3940 { "dbgbcr9_el1", CPENC(2,0,C0, C9, 5), 0 },
3941 { "dbgbcr10_el1", CPENC(2,0,C0, C10,5), 0 },
3942 { "dbgbcr11_el1", CPENC(2,0,C0, C11,5), 0 },
3943 { "dbgbcr12_el1", CPENC(2,0,C0, C12,5), 0 },
3944 { "dbgbcr13_el1", CPENC(2,0,C0, C13,5), 0 },
3945 { "dbgbcr14_el1", CPENC(2,0,C0, C14,5), 0 },
3946 { "dbgbcr15_el1", CPENC(2,0,C0, C15,5), 0 },
3947 { "dbgwvr0_el1", CPENC(2,0,C0, C0, 6), 0 },
3948 { "dbgwvr1_el1", CPENC(2,0,C0, C1, 6), 0 },
3949 { "dbgwvr2_el1", CPENC(2,0,C0, C2, 6), 0 },
3950 { "dbgwvr3_el1", CPENC(2,0,C0, C3, 6), 0 },
3951 { "dbgwvr4_el1", CPENC(2,0,C0, C4, 6), 0 },
3952 { "dbgwvr5_el1", CPENC(2,0,C0, C5, 6), 0 },
3953 { "dbgwvr6_el1", CPENC(2,0,C0, C6, 6), 0 },
3954 { "dbgwvr7_el1", CPENC(2,0,C0, C7, 6), 0 },
3955 { "dbgwvr8_el1", CPENC(2,0,C0, C8, 6), 0 },
3956 { "dbgwvr9_el1", CPENC(2,0,C0, C9, 6), 0 },
3957 { "dbgwvr10_el1", CPENC(2,0,C0, C10,6), 0 },
3958 { "dbgwvr11_el1", CPENC(2,0,C0, C11,6), 0 },
3959 { "dbgwvr12_el1", CPENC(2,0,C0, C12,6), 0 },
3960 { "dbgwvr13_el1", CPENC(2,0,C0, C13,6), 0 },
3961 { "dbgwvr14_el1", CPENC(2,0,C0, C14,6), 0 },
3962 { "dbgwvr15_el1", CPENC(2,0,C0, C15,6), 0 },
3963 { "dbgwcr0_el1", CPENC(2,0,C0, C0, 7), 0 },
3964 { "dbgwcr1_el1", CPENC(2,0,C0, C1, 7), 0 },
3965 { "dbgwcr2_el1", CPENC(2,0,C0, C2, 7), 0 },
3966 { "dbgwcr3_el1", CPENC(2,0,C0, C3, 7), 0 },
3967 { "dbgwcr4_el1", CPENC(2,0,C0, C4, 7), 0 },
3968 { "dbgwcr5_el1", CPENC(2,0,C0, C5, 7), 0 },
3969 { "dbgwcr6_el1", CPENC(2,0,C0, C6, 7), 0 },
3970 { "dbgwcr7_el1", CPENC(2,0,C0, C7, 7), 0 },
3971 { "dbgwcr8_el1", CPENC(2,0,C0, C8, 7), 0 },
3972 { "dbgwcr9_el1", CPENC(2,0,C0, C9, 7), 0 },
3973 { "dbgwcr10_el1", CPENC(2,0,C0, C10,7), 0 },
3974 { "dbgwcr11_el1", CPENC(2,0,C0, C11,7), 0 },
3975 { "dbgwcr12_el1", CPENC(2,0,C0, C12,7), 0 },
3976 { "dbgwcr13_el1", CPENC(2,0,C0, C13,7), 0 },
3977 { "dbgwcr14_el1", CPENC(2,0,C0, C14,7), 0 },
3978 { "dbgwcr15_el1", CPENC(2,0,C0, C15,7), 0 },
f9830ec1
TC
3979 { "mdrar_el1", CPENC(2,0,C1, C0, 0), F_REG_READ }, /* r */
3980 { "oslar_el1", CPENC(2,0,C1, C0, 4), F_REG_WRITE }, /* w */
3981 { "oslsr_el1", CPENC(2,0,C1, C1, 4), F_REG_READ }, /* r */
49eec193
YZ
3982 { "osdlr_el1", CPENC(2,0,C1, C3, 4), 0 },
3983 { "dbgprcr_el1", CPENC(2,0,C1, C4, 4), 0 },
3984 { "dbgclaimset_el1", CPENC(2,0,C7, C8, 6), 0 },
3985 { "dbgclaimclr_el1", CPENC(2,0,C7, C9, 6), 0 },
f9830ec1 3986 { "dbgauthstatus_el1", CPENC(2,0,C7, C14,6), F_REG_READ }, /* r */
55c144e6
MW
3987 { "pmblimitr_el1", CPENC (3, 0, C9, C10, 0), F_ARCHEXT }, /* rw */
3988 { "pmbptr_el1", CPENC (3, 0, C9, C10, 1), F_ARCHEXT }, /* rw */
3989 { "pmbsr_el1", CPENC (3, 0, C9, C10, 3), F_ARCHEXT }, /* rw */
f9830ec1 3990 { "pmbidr_el1", CPENC (3, 0, C9, C10, 7), F_ARCHEXT | F_REG_READ }, /* ro */
55c144e6
MW
3991 { "pmscr_el1", CPENC (3, 0, C9, C9, 0), F_ARCHEXT }, /* rw */
3992 { "pmsicr_el1", CPENC (3, 0, C9, C9, 2), F_ARCHEXT }, /* rw */
3993 { "pmsirr_el1", CPENC (3, 0, C9, C9, 3), F_ARCHEXT }, /* rw */
3994 { "pmsfcr_el1", CPENC (3, 0, C9, C9, 4), F_ARCHEXT }, /* rw */
3995 { "pmsevfr_el1", CPENC (3, 0, C9, C9, 5), F_ARCHEXT }, /* rw */
3996 { "pmslatfr_el1", CPENC (3, 0, C9, C9, 6), F_ARCHEXT }, /* rw */
cba05feb 3997 { "pmsidr_el1", CPENC (3, 0, C9, C9, 7), F_ARCHEXT }, /* rw */
55c144e6
MW
3998 { "pmscr_el2", CPENC (3, 4, C9, C9, 0), F_ARCHEXT }, /* rw */
3999 { "pmscr_el12", CPENC (3, 5, C9, C9, 0), F_ARCHEXT }, /* rw */
49eec193
YZ
4000 { "pmcr_el0", CPENC(3,3,C9,C12, 0), 0 },
4001 { "pmcntenset_el0", CPENC(3,3,C9,C12, 1), 0 },
4002 { "pmcntenclr_el0", CPENC(3,3,C9,C12, 2), 0 },
4003 { "pmovsclr_el0", CPENC(3,3,C9,C12, 3), 0 },
f9830ec1 4004 { "pmswinc_el0", CPENC(3,3,C9,C12, 4), F_REG_WRITE }, /* w */
49eec193 4005 { "pmselr_el0", CPENC(3,3,C9,C12, 5), 0 },
f9830ec1
TC
4006 { "pmceid0_el0", CPENC(3,3,C9,C12, 6), F_REG_READ }, /* r */
4007 { "pmceid1_el0", CPENC(3,3,C9,C12, 7), F_REG_READ }, /* r */
49eec193
YZ
4008 { "pmccntr_el0", CPENC(3,3,C9,C13, 0), 0 },
4009 { "pmxevtyper_el0", CPENC(3,3,C9,C13, 1), 0 },
4010 { "pmxevcntr_el0", CPENC(3,3,C9,C13, 2), 0 },
4011 { "pmuserenr_el0", CPENC(3,3,C9,C14, 0), 0 },
4012 { "pmintenset_el1", CPENC(3,0,C9,C14, 1), 0 },
4013 { "pmintenclr_el1", CPENC(3,0,C9,C14, 2), 0 },
4014 { "pmovsset_el0", CPENC(3,3,C9,C14, 3), 0 },
4015 { "pmevcntr0_el0", CPENC(3,3,C14,C8, 0), 0 },
4016 { "pmevcntr1_el0", CPENC(3,3,C14,C8, 1), 0 },
4017 { "pmevcntr2_el0", CPENC(3,3,C14,C8, 2), 0 },
4018 { "pmevcntr3_el0", CPENC(3,3,C14,C8, 3), 0 },
4019 { "pmevcntr4_el0", CPENC(3,3,C14,C8, 4), 0 },
4020 { "pmevcntr5_el0", CPENC(3,3,C14,C8, 5), 0 },
4021 { "pmevcntr6_el0", CPENC(3,3,C14,C8, 6), 0 },
4022 { "pmevcntr7_el0", CPENC(3,3,C14,C8, 7), 0 },
4023 { "pmevcntr8_el0", CPENC(3,3,C14,C9, 0), 0 },
4024 { "pmevcntr9_el0", CPENC(3,3,C14,C9, 1), 0 },
4025 { "pmevcntr10_el0", CPENC(3,3,C14,C9, 2), 0 },
4026 { "pmevcntr11_el0", CPENC(3,3,C14,C9, 3), 0 },
4027 { "pmevcntr12_el0", CPENC(3,3,C14,C9, 4), 0 },
4028 { "pmevcntr13_el0", CPENC(3,3,C14,C9, 5), 0 },
4029 { "pmevcntr14_el0", CPENC(3,3,C14,C9, 6), 0 },
4030 { "pmevcntr15_el0", CPENC(3,3,C14,C9, 7), 0 },
4031 { "pmevcntr16_el0", CPENC(3,3,C14,C10,0), 0 },
4032 { "pmevcntr17_el0", CPENC(3,3,C14,C10,1), 0 },
4033 { "pmevcntr18_el0", CPENC(3,3,C14,C10,2), 0 },
4034 { "pmevcntr19_el0", CPENC(3,3,C14,C10,3), 0 },
4035 { "pmevcntr20_el0", CPENC(3,3,C14,C10,4), 0 },
4036 { "pmevcntr21_el0", CPENC(3,3,C14,C10,5), 0 },
4037 { "pmevcntr22_el0", CPENC(3,3,C14,C10,6), 0 },
4038 { "pmevcntr23_el0", CPENC(3,3,C14,C10,7), 0 },
4039 { "pmevcntr24_el0", CPENC(3,3,C14,C11,0), 0 },
4040 { "pmevcntr25_el0", CPENC(3,3,C14,C11,1), 0 },
4041 { "pmevcntr26_el0", CPENC(3,3,C14,C11,2), 0 },
4042 { "pmevcntr27_el0", CPENC(3,3,C14,C11,3), 0 },
4043 { "pmevcntr28_el0", CPENC(3,3,C14,C11,4), 0 },
4044 { "pmevcntr29_el0", CPENC(3,3,C14,C11,5), 0 },
4045 { "pmevcntr30_el0", CPENC(3,3,C14,C11,6), 0 },
4046 { "pmevtyper0_el0", CPENC(3,3,C14,C12,0), 0 },
4047 { "pmevtyper1_el0", CPENC(3,3,C14,C12,1), 0 },
4048 { "pmevtyper2_el0", CPENC(3,3,C14,C12,2), 0 },
4049 { "pmevtyper3_el0", CPENC(3,3,C14,C12,3), 0 },
4050 { "pmevtyper4_el0", CPENC(3,3,C14,C12,4), 0 },
4051 { "pmevtyper5_el0", CPENC(3,3,C14,C12,5), 0 },
4052 { "pmevtyper6_el0", CPENC(3,3,C14,C12,6), 0 },
4053 { "pmevtyper7_el0", CPENC(3,3,C14,C12,7), 0 },
4054 { "pmevtyper8_el0", CPENC(3,3,C14,C13,0), 0 },
4055 { "pmevtyper9_el0", CPENC(3,3,C14,C13,1), 0 },
4056 { "pmevtyper10_el0", CPENC(3,3,C14,C13,2), 0 },
4057 { "pmevtyper11_el0", CPENC(3,3,C14,C13,3), 0 },
4058 { "pmevtyper12_el0", CPENC(3,3,C14,C13,4), 0 },
4059 { "pmevtyper13_el0", CPENC(3,3,C14,C13,5), 0 },
4060 { "pmevtyper14_el0", CPENC(3,3,C14,C13,6), 0 },
4061 { "pmevtyper15_el0", CPENC(3,3,C14,C13,7), 0 },
4062 { "pmevtyper16_el0", CPENC(3,3,C14,C14,0), 0 },
4063 { "pmevtyper17_el0", CPENC(3,3,C14,C14,1), 0 },
4064 { "pmevtyper18_el0", CPENC(3,3,C14,C14,2), 0 },
4065 { "pmevtyper19_el0", CPENC(3,3,C14,C14,3), 0 },
4066 { "pmevtyper20_el0", CPENC(3,3,C14,C14,4), 0 },
4067 { "pmevtyper21_el0", CPENC(3,3,C14,C14,5), 0 },
4068 { "pmevtyper22_el0", CPENC(3,3,C14,C14,6), 0 },
4069 { "pmevtyper23_el0", CPENC(3,3,C14,C14,7), 0 },
4070 { "pmevtyper24_el0", CPENC(3,3,C14,C15,0), 0 },
4071 { "pmevtyper25_el0", CPENC(3,3,C14,C15,1), 0 },
4072 { "pmevtyper26_el0", CPENC(3,3,C14,C15,2), 0 },
4073 { "pmevtyper27_el0", CPENC(3,3,C14,C15,3), 0 },
4074 { "pmevtyper28_el0", CPENC(3,3,C14,C15,4), 0 },
4075 { "pmevtyper29_el0", CPENC(3,3,C14,C15,5), 0 },
4076 { "pmevtyper30_el0", CPENC(3,3,C14,C15,6), 0 },
4077 { "pmccfiltr_el0", CPENC(3,3,C14,C15,7), 0 },
793a1948
TC
4078
4079 { "dit", CPEN_ (3, C2, 5), F_ARCHEXT },
4080 { "vstcr_el2", CPENC(3, 4, C2, C6, 2), F_ARCHEXT },
4081 { "vsttbr_el2", CPENC(3, 4, C2, C6, 0), F_ARCHEXT },
4082 { "cnthvs_tval_el2", CPENC(3, 4, C14, C4, 0), F_ARCHEXT },
4083 { "cnthvs_cval_el2", CPENC(3, 4, C14, C4, 2), F_ARCHEXT },
4084 { "cnthvs_ctl_el2", CPENC(3, 4, C14, C4, 1), F_ARCHEXT },
4085 { "cnthps_tval_el2", CPENC(3, 4, C14, C5, 0), F_ARCHEXT },
4086 { "cnthps_cval_el2", CPENC(3, 4, C14, C5, 2), F_ARCHEXT },
4087 { "cnthps_ctl_el2", CPENC(3, 4, C14, C5, 1), F_ARCHEXT },
4088 { "sder32_el2", CPENC(3, 4, C1, C3, 1), F_ARCHEXT },
4089 { "vncr_el2", CPENC(3, 4, C2, C2, 0), F_ARCHEXT },
49eec193 4090 { 0, CPENC(0,0,0,0,0), 0 },
a06ea964
NC
4091};
4092
49eec193
YZ
4093bfd_boolean
4094aarch64_sys_reg_deprecated_p (const aarch64_sys_reg *reg)
4095{
4096 return (reg->flags & F_DEPRECATED) != 0;
4097}
4098
f21cce2c
MW
4099bfd_boolean
4100aarch64_sys_reg_supported_p (const aarch64_feature_set features,
4101 const aarch64_sys_reg *reg)
4102{
4103 if (!(reg->flags & F_ARCHEXT))
4104 return TRUE;
4105
4106 /* PAN. Values are from aarch64_sys_regs. */
4107 if (reg->value == CPEN_(0,C2,3)
4108 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
4109 return FALSE;
4110
250aafa4
MW
4111 /* Virtualization host extensions: system registers. */
4112 if ((reg->value == CPENC (3, 4, C2, C0, 1)
4113 || reg->value == CPENC (3, 4, C13, C0, 1)
4114 || reg->value == CPENC (3, 4, C14, C3, 0)
4115 || reg->value == CPENC (3, 4, C14, C3, 1)
4116 || reg->value == CPENC (3, 4, C14, C3, 2))
4117 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
4118 return FALSE;
4119
4120 /* Virtualization host extensions: *_el12 names of *_el1 registers. */
4121 if ((reg->value == CPEN_ (5, C0, 0)
4122 || reg->value == CPEN_ (5, C0, 1)
4123 || reg->value == CPENC (3, 5, C1, C0, 0)
4124 || reg->value == CPENC (3, 5, C1, C0, 2)
4125 || reg->value == CPENC (3, 5, C2, C0, 0)
4126 || reg->value == CPENC (3, 5, C2, C0, 1)
4127 || reg->value == CPENC (3, 5, C2, C0, 2)
4128 || reg->value == CPENC (3, 5, C5, C1, 0)
4129 || reg->value == CPENC (3, 5, C5, C1, 1)
4130 || reg->value == CPENC (3, 5, C5, C2, 0)
4131 || reg->value == CPENC (3, 5, C6, C0, 0)
4132 || reg->value == CPENC (3, 5, C10, C2, 0)
4133 || reg->value == CPENC (3, 5, C10, C3, 0)
4134 || reg->value == CPENC (3, 5, C12, C0, 0)
4135 || reg->value == CPENC (3, 5, C13, C0, 1)
4136 || reg->value == CPENC (3, 5, C14, C1, 0))
4137 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
4138 return FALSE;
4139
4140 /* Virtualization host extensions: *_el02 names of *_el0 registers. */
4141 if ((reg->value == CPENC (3, 5, C14, C2, 0)
4142 || reg->value == CPENC (3, 5, C14, C2, 1)
4143 || reg->value == CPENC (3, 5, C14, C2, 2)
4144 || reg->value == CPENC (3, 5, C14, C3, 0)
4145 || reg->value == CPENC (3, 5, C14, C3, 1)
4146 || reg->value == CPENC (3, 5, C14, C3, 2))
4147 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
63511907 4148 return FALSE;
1a04d1a7
MW
4149
4150 /* ARMv8.2 features. */
6479e48e
MW
4151
4152 /* ID_AA64MMFR2_EL1. */
1a04d1a7
MW
4153 if (reg->value == CPENC (3, 0, C0, C7, 2)
4154 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
250aafa4
MW
4155 return FALSE;
4156
6479e48e
MW
4157 /* PSTATE.UAO. */
4158 if (reg->value == CPEN_ (0, C2, 4)
4159 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4160 return FALSE;
4161
47f81142
MW
4162 /* RAS extension. */
4163
651657fa
MW
4164 /* ERRIDR_EL1, ERRSELR_EL1, ERXFR_EL1, ERXCTLR_EL1, ERXSTATUS_EL, ERXADDR_EL1,
4165 ERXMISC0_EL1 AND ERXMISC1_EL1. */
47f81142 4166 if ((reg->value == CPENC (3, 0, C5, C3, 0)
651657fa 4167 || reg->value == CPENC (3, 0, C5, C3, 1)
47f81142
MW
4168 || reg->value == CPENC (3, 0, C5, C3, 2)
4169 || reg->value == CPENC (3, 0, C5, C3, 3)
651657fa
MW
4170 || reg->value == CPENC (3, 0, C5, C4, 0)
4171 || reg->value == CPENC (3, 0, C5, C4, 1)
4172 || reg->value == CPENC (3, 0, C5, C4, 2)
4173 || reg->value == CPENC (3, 0, C5, C4, 3)
47f81142
MW
4174 || reg->value == CPENC (3, 0, C5, C5, 0)
4175 || reg->value == CPENC (3, 0, C5, C5, 1))
4176 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS))
4177 return FALSE;
4178
4179 /* VSESR_EL2, DISR_EL1 and VDISR_EL2. */
4180 if ((reg->value == CPENC (3, 4, C5, C2, 3)
4181 || reg->value == CPENC (3, 0, C12, C1, 1)
4182 || reg->value == CPENC (3, 4, C12, C1, 1))
4183 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS))
4184 return FALSE;
4185
55c144e6
MW
4186 /* Statistical Profiling extension. */
4187 if ((reg->value == CPENC (3, 0, C9, C10, 0)
4188 || reg->value == CPENC (3, 0, C9, C10, 1)
4189 || reg->value == CPENC (3, 0, C9, C10, 3)
4190 || reg->value == CPENC (3, 0, C9, C10, 7)
4191 || reg->value == CPENC (3, 0, C9, C9, 0)
4192 || reg->value == CPENC (3, 0, C9, C9, 2)
4193 || reg->value == CPENC (3, 0, C9, C9, 3)
4194 || reg->value == CPENC (3, 0, C9, C9, 4)
4195 || reg->value == CPENC (3, 0, C9, C9, 5)
4196 || reg->value == CPENC (3, 0, C9, C9, 6)
4197 || reg->value == CPENC (3, 0, C9, C9, 7)
4198 || reg->value == CPENC (3, 4, C9, C9, 0)
4199 || reg->value == CPENC (3, 5, C9, C9, 0))
4200 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PROFILE))
4201 return FALSE;
4202
b0bfa7b5
SN
4203 /* ARMv8.3 Pointer authentication keys. */
4204 if ((reg->value == CPENC (3, 0, C2, C1, 0)
4205 || reg->value == CPENC (3, 0, C2, C1, 1)
4206 || reg->value == CPENC (3, 0, C2, C1, 2)
4207 || reg->value == CPENC (3, 0, C2, C1, 3)
4208 || reg->value == CPENC (3, 0, C2, C2, 0)
4209 || reg->value == CPENC (3, 0, C2, C2, 1)
4210 || reg->value == CPENC (3, 0, C2, C2, 2)
4211 || reg->value == CPENC (3, 0, C2, C2, 3)
4212 || reg->value == CPENC (3, 0, C2, C3, 0)
4213 || reg->value == CPENC (3, 0, C2, C3, 1))
4214 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_3))
4215 return FALSE;
4216
773fb663
RS
4217 /* SVE. */
4218 if ((reg->value == CPENC (3, 0, C0, C4, 4)
4219 || reg->value == CPENC (3, 0, C1, C2, 0)
4220 || reg->value == CPENC (3, 4, C1, C2, 0)
4221 || reg->value == CPENC (3, 6, C1, C2, 0)
4222 || reg->value == CPENC (3, 5, C1, C2, 0)
4223 || reg->value == CPENC (3, 0, C0, C0, 7))
4224 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SVE))
4225 return FALSE;
4226
793a1948
TC
4227 /* ARMv8.4 features. */
4228
4229 /* PSTATE.DIT. */
4230 if (reg->value == CPEN_ (3, C2, 5)
4231 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4232 return FALSE;
4233
4234 /* Virtualization extensions. */
4235 if ((reg->value == CPENC(3, 4, C2, C6, 2)
4236 || reg->value == CPENC(3, 4, C2, C6, 0)
4237 || reg->value == CPENC(3, 4, C14, C4, 0)
4238 || reg->value == CPENC(3, 4, C14, C4, 2)
4239 || reg->value == CPENC(3, 4, C14, C4, 1)
4240 || reg->value == CPENC(3, 4, C14, C5, 0)
4241 || reg->value == CPENC(3, 4, C14, C5, 2)
4242 || reg->value == CPENC(3, 4, C14, C5, 1)
4243 || reg->value == CPENC(3, 4, C1, C3, 1)
4244 || reg->value == CPENC(3, 4, C2, C2, 0))
4245 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4246 return FALSE;
4247
4248 /* ARMv8.4 TLB instructions. */
4249 if ((reg->value == CPENS (0, C8, C1, 0)
4250 || reg->value == CPENS (0, C8, C1, 1)
4251 || reg->value == CPENS (0, C8, C1, 2)
4252 || reg->value == CPENS (0, C8, C1, 3)
4253 || reg->value == CPENS (0, C8, C1, 5)
4254 || reg->value == CPENS (0, C8, C1, 7)
4255 || reg->value == CPENS (4, C8, C4, 0)
4256 || reg->value == CPENS (4, C8, C4, 4)
4257 || reg->value == CPENS (4, C8, C1, 1)
4258 || reg->value == CPENS (4, C8, C1, 5)
4259 || reg->value == CPENS (4, C8, C1, 6)
4260 || reg->value == CPENS (6, C8, C1, 1)
4261 || reg->value == CPENS (6, C8, C1, 5)
4262 || reg->value == CPENS (4, C8, C1, 0)
4263 || reg->value == CPENS (4, C8, C1, 4)
4264 || reg->value == CPENS (6, C8, C1, 0)
4265 || reg->value == CPENS (0, C8, C6, 1)
4266 || reg->value == CPENS (0, C8, C6, 3)
4267 || reg->value == CPENS (0, C8, C6, 5)
4268 || reg->value == CPENS (0, C8, C6, 7)
4269 || reg->value == CPENS (0, C8, C2, 1)
4270 || reg->value == CPENS (0, C8, C2, 3)
4271 || reg->value == CPENS (0, C8, C2, 5)
4272 || reg->value == CPENS (0, C8, C2, 7)
4273 || reg->value == CPENS (0, C8, C5, 1)
4274 || reg->value == CPENS (0, C8, C5, 3)
4275 || reg->value == CPENS (0, C8, C5, 5)
4276 || reg->value == CPENS (0, C8, C5, 7)
4277 || reg->value == CPENS (4, C8, C0, 2)
4278 || reg->value == CPENS (4, C8, C0, 6)
4279 || reg->value == CPENS (4, C8, C4, 2)
4280 || reg->value == CPENS (4, C8, C4, 6)
4281 || reg->value == CPENS (4, C8, C4, 3)
4282 || reg->value == CPENS (4, C8, C4, 7)
4283 || reg->value == CPENS (4, C8, C6, 1)
4284 || reg->value == CPENS (4, C8, C6, 5)
4285 || reg->value == CPENS (4, C8, C2, 1)
4286 || reg->value == CPENS (4, C8, C2, 5)
4287 || reg->value == CPENS (4, C8, C5, 1)
4288 || reg->value == CPENS (4, C8, C5, 5)
4289 || reg->value == CPENS (6, C8, C6, 1)
4290 || reg->value == CPENS (6, C8, C6, 5)
4291 || reg->value == CPENS (6, C8, C2, 1)
4292 || reg->value == CPENS (6, C8, C2, 5)
4293 || reg->value == CPENS (6, C8, C5, 1)
4294 || reg->value == CPENS (6, C8, C5, 5))
4295 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4296 return FALSE;
4297
af4bcb4c
SD
4298 /* Random Number Instructions. For now they are available
4299 (and optional) only with ARMv8.5-A. */
4300 if ((reg->value == CPENC (3, 3, C2, C4, 0)
4301 || reg->value == CPENC (3, 3, C2, C4, 1))
4302 && !(AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RNG)
4303 && AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_5)))
4304 return FALSE;
4305
f21cce2c
MW
4306 return TRUE;
4307}
4308
793a1948
TC
4309/* The CPENC below is fairly misleading, the fields
4310 here are not in CPENC form. They are in op2op1 form. The fields are encoded
4311 by ins_pstatefield, which just shifts the value by the width of the fields
4312 in a loop. So if you CPENC them only the first value will be set, the rest
4313 are masked out to 0. As an example. op2 = 3, op1=2. CPENC would produce a
4314 value of 0b110000000001000000 (0x30040) while what you want is
4315 0b011010 (0x1a). */
87b8eed7 4316const aarch64_sys_reg aarch64_pstatefields [] =
a06ea964 4317{
87b8eed7
YZ
4318 { "spsel", 0x05, 0 },
4319 { "daifset", 0x1e, 0 },
4320 { "daifclr", 0x1f, 0 },
f21cce2c 4321 { "pan", 0x04, F_ARCHEXT },
6479e48e 4322 { "uao", 0x03, F_ARCHEXT },
793a1948 4323 { "dit", 0x1a, F_ARCHEXT },
87b8eed7 4324 { 0, CPENC(0,0,0,0,0), 0 },
a06ea964
NC
4325};
4326
f21cce2c
MW
4327bfd_boolean
4328aarch64_pstatefield_supported_p (const aarch64_feature_set features,
4329 const aarch64_sys_reg *reg)
4330{
4331 if (!(reg->flags & F_ARCHEXT))
4332 return TRUE;
4333
4334 /* PAN. Values are from aarch64_pstatefields. */
4335 if (reg->value == 0x04
4336 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
4337 return FALSE;
4338
6479e48e
MW
4339 /* UAO. Values are from aarch64_pstatefields. */
4340 if (reg->value == 0x03
4341 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4342 return FALSE;
4343
793a1948
TC
4344 /* DIT. Values are from aarch64_pstatefields. */
4345 if (reg->value == 0x1a
4346 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4347 return FALSE;
4348
f21cce2c
MW
4349 return TRUE;
4350}
4351
a06ea964
NC
4352const aarch64_sys_ins_reg aarch64_sys_regs_ic[] =
4353{
4354 { "ialluis", CPENS(0,C7,C1,0), 0 },
4355 { "iallu", CPENS(0,C7,C5,0), 0 },
ea2deeec 4356 { "ivau", CPENS (3, C7, C5, 1), F_HASXT },
a06ea964
NC
4357 { 0, CPENS(0,0,0,0), 0 }
4358};
4359
4360const aarch64_sys_ins_reg aarch64_sys_regs_dc[] =
4361{
ea2deeec
MW
4362 { "zva", CPENS (3, C7, C4, 1), F_HASXT },
4363 { "ivac", CPENS (0, C7, C6, 1), F_HASXT },
4364 { "isw", CPENS (0, C7, C6, 2), F_HASXT },
4365 { "cvac", CPENS (3, C7, C10, 1), F_HASXT },
4366 { "csw", CPENS (0, C7, C10, 2), F_HASXT },
4367 { "cvau", CPENS (3, C7, C11, 1), F_HASXT },
d6bf7ce6 4368 { "cvap", CPENS (3, C7, C12, 1), F_HASXT | F_ARCHEXT },
3fd229a4 4369 { "cvadp", CPENS (3, C7, C13, 1), F_HASXT | F_ARCHEXT },
ea2deeec
MW
4370 { "civac", CPENS (3, C7, C14, 1), F_HASXT },
4371 { "cisw", CPENS (0, C7, C14, 2), F_HASXT },
a06ea964
NC
4372 { 0, CPENS(0,0,0,0), 0 }
4373};
4374
4375const aarch64_sys_ins_reg aarch64_sys_regs_at[] =
4376{
ea2deeec
MW
4377 { "s1e1r", CPENS (0, C7, C8, 0), F_HASXT },
4378 { "s1e1w", CPENS (0, C7, C8, 1), F_HASXT },
4379 { "s1e0r", CPENS (0, C7, C8, 2), F_HASXT },
4380 { "s1e0w", CPENS (0, C7, C8, 3), F_HASXT },
4381 { "s12e1r", CPENS (4, C7, C8, 4), F_HASXT },
4382 { "s12e1w", CPENS (4, C7, C8, 5), F_HASXT },
4383 { "s12e0r", CPENS (4, C7, C8, 6), F_HASXT },
4384 { "s12e0w", CPENS (4, C7, C8, 7), F_HASXT },
4385 { "s1e2r", CPENS (4, C7, C8, 0), F_HASXT },
4386 { "s1e2w", CPENS (4, C7, C8, 1), F_HASXT },
4387 { "s1e3r", CPENS (6, C7, C8, 0), F_HASXT },
4388 { "s1e3w", CPENS (6, C7, C8, 1), F_HASXT },
22a5455c
MW
4389 { "s1e1rp", CPENS (0, C7, C9, 0), F_HASXT | F_ARCHEXT },
4390 { "s1e1wp", CPENS (0, C7, C9, 1), F_HASXT | F_ARCHEXT },
a06ea964
NC
4391 { 0, CPENS(0,0,0,0), 0 }
4392};
4393
4394const aarch64_sys_ins_reg aarch64_sys_regs_tlbi[] =
4395{
4396 { "vmalle1", CPENS(0,C8,C7,0), 0 },
ea2deeec
MW
4397 { "vae1", CPENS (0, C8, C7, 1), F_HASXT },
4398 { "aside1", CPENS (0, C8, C7, 2), F_HASXT },
4399 { "vaae1", CPENS (0, C8, C7, 3), F_HASXT },
a06ea964 4400 { "vmalle1is", CPENS(0,C8,C3,0), 0 },
ea2deeec
MW
4401 { "vae1is", CPENS (0, C8, C3, 1), F_HASXT },
4402 { "aside1is", CPENS (0, C8, C3, 2), F_HASXT },
4403 { "vaae1is", CPENS (0, C8, C3, 3), F_HASXT },
4404 { "ipas2e1is", CPENS (4, C8, C0, 1), F_HASXT },
4405 { "ipas2le1is",CPENS (4, C8, C0, 5), F_HASXT },
4406 { "ipas2e1", CPENS (4, C8, C4, 1), F_HASXT },
4407 { "ipas2le1", CPENS (4, C8, C4, 5), F_HASXT },
4408 { "vae2", CPENS (4, C8, C7, 1), F_HASXT },
4409 { "vae2is", CPENS (4, C8, C3, 1), F_HASXT },
a06ea964
NC
4410 { "vmalls12e1",CPENS(4,C8,C7,6), 0 },
4411 { "vmalls12e1is",CPENS(4,C8,C3,6), 0 },
ea2deeec
MW
4412 { "vae3", CPENS (6, C8, C7, 1), F_HASXT },
4413 { "vae3is", CPENS (6, C8, C3, 1), F_HASXT },
a06ea964
NC
4414 { "alle2", CPENS(4,C8,C7,0), 0 },
4415 { "alle2is", CPENS(4,C8,C3,0), 0 },
4416 { "alle1", CPENS(4,C8,C7,4), 0 },
4417 { "alle1is", CPENS(4,C8,C3,4), 0 },
4418 { "alle3", CPENS(6,C8,C7,0), 0 },
4419 { "alle3is", CPENS(6,C8,C3,0), 0 },
ea2deeec
MW
4420 { "vale1is", CPENS (0, C8, C3, 5), F_HASXT },
4421 { "vale2is", CPENS (4, C8, C3, 5), F_HASXT },
4422 { "vale3is", CPENS (6, C8, C3, 5), F_HASXT },
4423 { "vaale1is", CPENS (0, C8, C3, 7), F_HASXT },
4424 { "vale1", CPENS (0, C8, C7, 5), F_HASXT },
4425 { "vale2", CPENS (4, C8, C7, 5), F_HASXT },
4426 { "vale3", CPENS (6, C8, C7, 5), F_HASXT },
4427 { "vaale1", CPENS (0, C8, C7, 7), F_HASXT },
793a1948
TC
4428
4429 { "vmalle1os", CPENS (0, C8, C1, 0), F_ARCHEXT },
4430 { "vae1os", CPENS (0, C8, C1, 1), F_HASXT | F_ARCHEXT },
4431 { "aside1os", CPENS (0, C8, C1, 2), F_HASXT | F_ARCHEXT },
4432 { "vaae1os", CPENS (0, C8, C1, 3), F_HASXT | F_ARCHEXT },
4433 { "vale1os", CPENS (0, C8, C1, 5), F_HASXT | F_ARCHEXT },
4434 { "vaale1os", CPENS (0, C8, C1, 7), F_HASXT | F_ARCHEXT },
4435 { "ipas2e1os", CPENS (4, C8, C4, 0), F_HASXT | F_ARCHEXT },
4436 { "ipas2le1os", CPENS (4, C8, C4, 4), F_HASXT | F_ARCHEXT },
4437 { "vae2os", CPENS (4, C8, C1, 1), F_HASXT | F_ARCHEXT },
4438 { "vale2os", CPENS (4, C8, C1, 5), F_HASXT | F_ARCHEXT },
4439 { "vmalls12e1os", CPENS (4, C8, C1, 6), F_ARCHEXT },
4440 { "vae3os", CPENS (6, C8, C1, 1), F_HASXT | F_ARCHEXT },
4441 { "vale3os", CPENS (6, C8, C1, 5), F_HASXT | F_ARCHEXT },
4442 { "alle2os", CPENS (4, C8, C1, 0), F_ARCHEXT },
4443 { "alle1os", CPENS (4, C8, C1, 4), F_ARCHEXT },
4444 { "alle3os", CPENS (6, C8, C1, 0), F_ARCHEXT },
4445
4446 { "rvae1", CPENS (0, C8, C6, 1), F_HASXT | F_ARCHEXT },
4447 { "rvaae1", CPENS (0, C8, C6, 3), F_HASXT | F_ARCHEXT },
4448 { "rvale1", CPENS (0, C8, C6, 5), F_HASXT | F_ARCHEXT },
4449 { "rvaale1", CPENS (0, C8, C6, 7), F_HASXT | F_ARCHEXT },
4450 { "rvae1is", CPENS (0, C8, C2, 1), F_HASXT | F_ARCHEXT },
4451 { "rvaae1is", CPENS (0, C8, C2, 3), F_HASXT | F_ARCHEXT },
4452 { "rvale1is", CPENS (0, C8, C2, 5), F_HASXT | F_ARCHEXT },
4453 { "rvaale1is", CPENS (0, C8, C2, 7), F_HASXT | F_ARCHEXT },
4454 { "rvae1os", CPENS (0, C8, C5, 1), F_HASXT | F_ARCHEXT },
4455 { "rvaae1os", CPENS (0, C8, C5, 3), F_HASXT | F_ARCHEXT },
4456 { "rvale1os", CPENS (0, C8, C5, 5), F_HASXT | F_ARCHEXT },
4457 { "rvaale1os", CPENS (0, C8, C5, 7), F_HASXT | F_ARCHEXT },
4458 { "ripas2e1is", CPENS (4, C8, C0, 2), F_HASXT | F_ARCHEXT },
4459 { "ripas2le1is",CPENS (4, C8, C0, 6), F_HASXT | F_ARCHEXT },
4460 { "ripas2e1", CPENS (4, C8, C4, 2), F_HASXT | F_ARCHEXT },
4461 { "ripas2le1", CPENS (4, C8, C4, 6), F_HASXT | F_ARCHEXT },
4462 { "ripas2e1os", CPENS (4, C8, C4, 3), F_HASXT | F_ARCHEXT },
4463 { "ripas2le1os",CPENS (4, C8, C4, 7), F_HASXT | F_ARCHEXT },
4464 { "rvae2", CPENS (4, C8, C6, 1), F_HASXT | F_ARCHEXT },
4465 { "rvale2", CPENS (4, C8, C6, 5), F_HASXT | F_ARCHEXT },
4466 { "rvae2is", CPENS (4, C8, C2, 1), F_HASXT | F_ARCHEXT },
4467 { "rvale2is", CPENS (4, C8, C2, 5), F_HASXT | F_ARCHEXT },
4468 { "rvae2os", CPENS (4, C8, C5, 1), F_HASXT | F_ARCHEXT },
4469 { "rvale2os", CPENS (4, C8, C5, 5), F_HASXT | F_ARCHEXT },
4470 { "rvae3", CPENS (6, C8, C6, 1), F_HASXT | F_ARCHEXT },
4471 { "rvale3", CPENS (6, C8, C6, 5), F_HASXT | F_ARCHEXT },
4472 { "rvae3is", CPENS (6, C8, C2, 1), F_HASXT | F_ARCHEXT },
4473 { "rvale3is", CPENS (6, C8, C2, 5), F_HASXT | F_ARCHEXT },
4474 { "rvae3os", CPENS (6, C8, C5, 1), F_HASXT | F_ARCHEXT },
4475 { "rvale3os", CPENS (6, C8, C5, 5), F_HASXT | F_ARCHEXT },
4476
a06ea964
NC
4477 { 0, CPENS(0,0,0,0), 0 }
4478};
4479
2ac435d4
SD
4480const aarch64_sys_ins_reg aarch64_sys_regs_sr[] =
4481{
4482 /* RCTX is somewhat unique in a way that it has different values
4483 (op2) based on the instruction in which it is used (cfp/dvp/cpp).
4484 Thus op2 is masked out and instead encoded directly in the
4485 aarch64_opcode_table entries for the respective instructions. */
4486 { "rctx", CPENS(3,C7,C3,0), F_HASXT | F_ARCHEXT | F_REG_WRITE}, /* WO */
4487
4488 { 0, CPENS(0,0,0,0), 0 }
4489};
4490
ea2deeec
MW
4491bfd_boolean
4492aarch64_sys_ins_reg_has_xt (const aarch64_sys_ins_reg *sys_ins_reg)
4493{
4494 return (sys_ins_reg->flags & F_HASXT) != 0;
4495}
4496
d6bf7ce6
MW
4497extern bfd_boolean
4498aarch64_sys_ins_reg_supported_p (const aarch64_feature_set features,
4499 const aarch64_sys_ins_reg *reg)
4500{
4501 if (!(reg->flags & F_ARCHEXT))
4502 return TRUE;
4503
4504 /* DC CVAP. Values are from aarch64_sys_regs_dc. */
4505 if (reg->value == CPENS (3, C7, C12, 1)
4506 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4507 return FALSE;
4508
3fd229a4
SD
4509 /* DC CVADP. Values are from aarch64_sys_regs_dc. */
4510 if (reg->value == CPENS (3, C7, C13, 1)
4511 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_CVADP))
4512 return FALSE;
4513
63511907
MW
4514 /* AT S1E1RP, AT S1E1WP. Values are from aarch64_sys_regs_at. */
4515 if ((reg->value == CPENS (0, C7, C9, 0)
4516 || reg->value == CPENS (0, C7, C9, 1))
4517 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4518 return FALSE;
4519
2ac435d4
SD
4520 /* CFP/DVP/CPP RCTX : Value are from aarch64_sys_regs_sr. */
4521 if (reg->value == CPENS (3, C7, C3, 0)
4522 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PREDRES))
4523 return FALSE;
4524
d6bf7ce6
MW
4525 return TRUE;
4526}
4527
a06ea964
NC
4528#undef C0
4529#undef C1
4530#undef C2
4531#undef C3
4532#undef C4
4533#undef C5
4534#undef C6
4535#undef C7
4536#undef C8
4537#undef C9
4538#undef C10
4539#undef C11
4540#undef C12
4541#undef C13
4542#undef C14
4543#undef C15
4544
4bd13cde
NC
4545#define BIT(INSN,BT) (((INSN) >> (BT)) & 1)
4546#define BITS(INSN,HI,LO) (((INSN) >> (LO)) & ((1 << (((HI) - (LO)) + 1)) - 1))
4547
755b748f
TC
4548static enum err_type
4549verify_ldpsw (const struct aarch64_inst *inst ATTRIBUTE_UNUSED,
4550 const aarch64_insn insn, bfd_vma pc ATTRIBUTE_UNUSED,
4551 bfd_boolean encoding ATTRIBUTE_UNUSED,
4552 aarch64_operand_error *mismatch_detail ATTRIBUTE_UNUSED,
a68f4cd2 4553 aarch64_instr_sequence *insn_sequence ATTRIBUTE_UNUSED)
4bd13cde
NC
4554{
4555 int t = BITS (insn, 4, 0);
4556 int n = BITS (insn, 9, 5);
4557 int t2 = BITS (insn, 14, 10);
4558
4559 if (BIT (insn, 23))
4560 {
4561 /* Write back enabled. */
4562 if ((t == n || t2 == n) && n != 31)
755b748f 4563 return ERR_UND;
4bd13cde
NC
4564 }
4565
4566 if (BIT (insn, 22))
4567 {
4568 /* Load */
4569 if (t == t2)
755b748f 4570 return ERR_UND;
4bd13cde
NC
4571 }
4572
755b748f 4573 return ERR_OK;
4bd13cde
NC
4574}
4575
a68f4cd2
TC
4576/* Initialize an instruction sequence insn_sequence with the instruction INST.
4577 If INST is NULL the given insn_sequence is cleared and the sequence is left
4578 uninitialized. */
4579
4580void
4581init_insn_sequence (const struct aarch64_inst *inst,
4582 aarch64_instr_sequence *insn_sequence)
4583{
4584 int num_req_entries = 0;
4585 insn_sequence->next_insn = 0;
4586 insn_sequence->num_insns = num_req_entries;
4587 if (insn_sequence->instr)
4588 XDELETE (insn_sequence->instr);
4589 insn_sequence->instr = NULL;
4590
4591 if (inst)
4592 {
4593 insn_sequence->instr = XNEW (aarch64_inst);
4594 memcpy (insn_sequence->instr, inst, sizeof (aarch64_inst));
4595 }
4596
4597 /* Handle all the cases here. May need to think of something smarter than
4598 a giant if/else chain if this grows. At that time, a lookup table may be
4599 best. */
4600 if (inst && inst->opcode->constraints & C_SCAN_MOVPRFX)
4601 num_req_entries = 1;
4602
4603 if (insn_sequence->current_insns)
4604 XDELETEVEC (insn_sequence->current_insns);
4605 insn_sequence->current_insns = NULL;
4606
4607 if (num_req_entries != 0)
4608 {
4609 size_t size = num_req_entries * sizeof (aarch64_inst);
4610 insn_sequence->current_insns
4611 = (aarch64_inst**) XNEWVEC (aarch64_inst, num_req_entries);
4612 memset (insn_sequence->current_insns, 0, size);
4613 }
4614}
4615
4616
4617/* This function verifies that the instruction INST adheres to its specified
4618 constraints. If it does then ERR_OK is returned, if not then ERR_VFI is
4619 returned and MISMATCH_DETAIL contains the reason why verification failed.
4620
4621 The function is called both during assembly and disassembly. If assembling
4622 then ENCODING will be TRUE, else FALSE. If dissassembling PC will be set
4623 and will contain the PC of the current instruction w.r.t to the section.
4624
4625 If ENCODING and PC=0 then you are at a start of a section. The constraints
4626 are verified against the given state insn_sequence which is updated as it
4627 transitions through the verification. */
4628
4629enum err_type
4630verify_constraints (const struct aarch64_inst *inst,
4631 const aarch64_insn insn ATTRIBUTE_UNUSED,
4632 bfd_vma pc,
4633 bfd_boolean encoding,
4634 aarch64_operand_error *mismatch_detail,
4635 aarch64_instr_sequence *insn_sequence)
4636{
4637 assert (inst);
4638 assert (inst->opcode);
4639
4640 const struct aarch64_opcode *opcode = inst->opcode;
4641 if (!opcode->constraints && !insn_sequence->instr)
4642 return ERR_OK;
4643
4644 assert (insn_sequence);
4645
4646 enum err_type res = ERR_OK;
4647
4648 /* This instruction puts a constraint on the insn_sequence. */
4649 if (opcode->flags & F_SCAN)
4650 {
4651 if (insn_sequence->instr)
4652 {
4653 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4654 mismatch_detail->error = _("instruction opens new dependency "
4655 "sequence without ending previous one");
4656 mismatch_detail->index = -1;
4657 mismatch_detail->non_fatal = TRUE;
4658 res = ERR_VFI;
4659 }
4660
4661 init_insn_sequence (inst, insn_sequence);
4662 return res;
4663 }
4664
4665 /* Verify constraints on an existing sequence. */
4666 if (insn_sequence->instr)
4667 {
4668 const struct aarch64_opcode* inst_opcode = insn_sequence->instr->opcode;
4669 /* If we're decoding and we hit PC=0 with an open sequence then we haven't
4670 closed a previous one that we should have. */
4671 if (!encoding && pc == 0)
4672 {
4673 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4674 mismatch_detail->error = _("previous `movprfx' sequence not closed");
4675 mismatch_detail->index = -1;
4676 mismatch_detail->non_fatal = TRUE;
4677 res = ERR_VFI;
4678 /* Reset the sequence. */
4679 init_insn_sequence (NULL, insn_sequence);
4680 return res;
4681 }
4682
4683 /* Validate C_SCAN_MOVPRFX constraints. Move this to a lookup table. */
4684 if (inst_opcode->constraints & C_SCAN_MOVPRFX)
4685 {
4686 /* Check to see if the MOVPRFX SVE instruction is followed by an SVE
4687 instruction for better error messages. */
4688 if (!opcode->avariant || !(*opcode->avariant & AARCH64_FEATURE_SVE))
4689 {
4690 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4691 mismatch_detail->error = _("SVE instruction expected after "
4692 "`movprfx'");
4693 mismatch_detail->index = -1;
4694 mismatch_detail->non_fatal = TRUE;
4695 res = ERR_VFI;
4696 goto done;
4697 }
4698
4699 /* Check to see if the MOVPRFX SVE instruction is followed by an SVE
4700 instruction that is allowed to be used with a MOVPRFX. */
4701 if (!(opcode->constraints & C_SCAN_MOVPRFX))
4702 {
4703 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4704 mismatch_detail->error = _("SVE `movprfx' compatible instruction "
4705 "expected");
4706 mismatch_detail->index = -1;
4707 mismatch_detail->non_fatal = TRUE;
4708 res = ERR_VFI;
4709 goto done;
4710 }
4711
4712 /* Next check for usage of the predicate register. */
4713 aarch64_opnd_info blk_dest = insn_sequence->instr->operands[0];
780f601c
TC
4714 aarch64_opnd_info blk_pred, inst_pred;
4715 memset (&blk_pred, 0, sizeof (aarch64_opnd_info));
4716 memset (&inst_pred, 0, sizeof (aarch64_opnd_info));
a68f4cd2
TC
4717 bfd_boolean predicated = FALSE;
4718 assert (blk_dest.type == AARCH64_OPND_SVE_Zd);
4719
4720 /* Determine if the movprfx instruction used is predicated or not. */
4721 if (insn_sequence->instr->operands[1].type == AARCH64_OPND_SVE_Pg3)
4722 {
4723 predicated = TRUE;
4724 blk_pred = insn_sequence->instr->operands[1];
4725 }
4726
4727 unsigned char max_elem_size = 0;
4728 unsigned char current_elem_size;
4729 int num_op_used = 0, last_op_usage = 0;
4730 int i, inst_pred_idx = -1;
4731 int num_ops = aarch64_num_of_operands (opcode);
4732 for (i = 0; i < num_ops; i++)
4733 {
4734 aarch64_opnd_info inst_op = inst->operands[i];
4735 switch (inst_op.type)
4736 {
4737 case AARCH64_OPND_SVE_Zd:
4738 case AARCH64_OPND_SVE_Zm_5:
4739 case AARCH64_OPND_SVE_Zm_16:
4740 case AARCH64_OPND_SVE_Zn:
4741 case AARCH64_OPND_SVE_Zt:
4742 case AARCH64_OPND_SVE_Vm:
4743 case AARCH64_OPND_SVE_Vn:
4744 case AARCH64_OPND_Va:
4745 case AARCH64_OPND_Vn:
4746 case AARCH64_OPND_Vm:
4747 case AARCH64_OPND_Sn:
4748 case AARCH64_OPND_Sm:
4749 case AARCH64_OPND_Rn:
4750 case AARCH64_OPND_Rm:
4751 case AARCH64_OPND_Rn_SP:
4752 case AARCH64_OPND_Rm_SP:
4753 if (inst_op.reg.regno == blk_dest.reg.regno)
4754 {
4755 num_op_used++;
4756 last_op_usage = i;
4757 }
4758 current_elem_size
4759 = aarch64_get_qualifier_esize (inst_op.qualifier);
4760 if (current_elem_size > max_elem_size)
4761 max_elem_size = current_elem_size;
4762 break;
4763 case AARCH64_OPND_SVE_Pd:
4764 case AARCH64_OPND_SVE_Pg3:
4765 case AARCH64_OPND_SVE_Pg4_5:
4766 case AARCH64_OPND_SVE_Pg4_10:
4767 case AARCH64_OPND_SVE_Pg4_16:
4768 case AARCH64_OPND_SVE_Pm:
4769 case AARCH64_OPND_SVE_Pn:
4770 case AARCH64_OPND_SVE_Pt:
4771 inst_pred = inst_op;
4772 inst_pred_idx = i;
4773 break;
4774 default:
4775 break;
4776 }
4777 }
4778
4779 assert (max_elem_size != 0);
4780 aarch64_opnd_info inst_dest = inst->operands[0];
4781 /* Determine the size that should be used to compare against the
4782 movprfx size. */
4783 current_elem_size
4784 = opcode->constraints & C_MAX_ELEM
4785 ? max_elem_size
4786 : aarch64_get_qualifier_esize (inst_dest.qualifier);
4787
4788 /* If movprfx is predicated do some extra checks. */
4789 if (predicated)
4790 {
4791 /* The instruction must be predicated. */
4792 if (inst_pred_idx < 0)
4793 {
4794 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4795 mismatch_detail->error = _("predicated instruction expected "
4796 "after `movprfx'");
4797 mismatch_detail->index = -1;
4798 mismatch_detail->non_fatal = TRUE;
4799 res = ERR_VFI;
4800 goto done;
4801 }
4802
4803 /* The instruction must have a merging predicate. */
4804 if (inst_pred.qualifier != AARCH64_OPND_QLF_P_M)
4805 {
4806 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4807 mismatch_detail->error = _("merging predicate expected due "
4808 "to preceding `movprfx'");
4809 mismatch_detail->index = inst_pred_idx;
4810 mismatch_detail->non_fatal = TRUE;
4811 res = ERR_VFI;
4812 goto done;
4813 }
4814
4815 /* The same register must be used in instruction. */
4816 if (blk_pred.reg.regno != inst_pred.reg.regno)
4817 {
4818 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4819 mismatch_detail->error = _("predicate register differs "
4820 "from that in preceding "
4821 "`movprfx'");
4822 mismatch_detail->index = inst_pred_idx;
4823 mismatch_detail->non_fatal = TRUE;
4824 res = ERR_VFI;
4825 goto done;
4826 }
4827 }
4828
4829 /* Destructive operations by definition must allow one usage of the
4830 same register. */
4831 int allowed_usage
4832 = aarch64_is_destructive_by_operands (opcode) ? 2 : 1;
4833
4834 /* Operand is not used at all. */
4835 if (num_op_used == 0)
4836 {
4837 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4838 mismatch_detail->error = _("output register of preceding "
4839 "`movprfx' not used in current "
4840 "instruction");
4841 mismatch_detail->index = 0;
4842 mismatch_detail->non_fatal = TRUE;
4843 res = ERR_VFI;
4844 goto done;
4845 }
4846
4847 /* We now know it's used, now determine exactly where it's used. */
4848 if (blk_dest.reg.regno != inst_dest.reg.regno)
4849 {
4850 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4851 mismatch_detail->error = _("output register of preceding "
4852 "`movprfx' expected as output");
4853 mismatch_detail->index = 0;
4854 mismatch_detail->non_fatal = TRUE;
4855 res = ERR_VFI;
4856 goto done;
4857 }
4858
4859 /* Operand used more than allowed for the specific opcode type. */
4860 if (num_op_used > allowed_usage)
4861 {
4862 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4863 mismatch_detail->error = _("output register of preceding "
4864 "`movprfx' used as input");
4865 mismatch_detail->index = last_op_usage;
4866 mismatch_detail->non_fatal = TRUE;
4867 res = ERR_VFI;
4868 goto done;
4869 }
4870
4871 /* Now the only thing left is the qualifiers checks. The register
4872 must have the same maximum element size. */
4873 if (inst_dest.qualifier
4874 && blk_dest.qualifier
4875 && current_elem_size
4876 != aarch64_get_qualifier_esize (blk_dest.qualifier))
4877 {
4878 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4879 mismatch_detail->error = _("register size not compatible with "
4880 "previous `movprfx'");
4881 mismatch_detail->index = 0;
4882 mismatch_detail->non_fatal = TRUE;
4883 res = ERR_VFI;
4884 goto done;
4885 }
4886 }
4887
4888done:
4889 /* Add the new instruction to the sequence. */
4890 memcpy (insn_sequence->current_insns + insn_sequence->next_insn++,
4891 inst, sizeof (aarch64_inst));
4892
4893 /* Check if sequence is now full. */
4894 if (insn_sequence->next_insn >= insn_sequence->num_insns)
4895 {
4896 /* Sequence is full, but we don't have anything special to do for now,
4897 so clear and reset it. */
4898 init_insn_sequence (NULL, insn_sequence);
4899 }
4900 }
4901
4902 return res;
4903}
4904
4905
e950b345
RS
4906/* Return true if VALUE cannot be moved into an SVE register using DUP
4907 (with any element size, not just ESIZE) and if using DUPM would
4908 therefore be OK. ESIZE is the number of bytes in the immediate. */
4909
4910bfd_boolean
4911aarch64_sve_dupm_mov_immediate_p (uint64_t uvalue, int esize)
4912{
4913 int64_t svalue = uvalue;
4914 uint64_t upper = (uint64_t) -1 << (esize * 4) << (esize * 4);
4915
4916 if ((uvalue & ~upper) != uvalue && (uvalue | upper) != uvalue)
4917 return FALSE;
4918 if (esize <= 4 || (uint32_t) uvalue == (uint32_t) (uvalue >> 32))
4919 {
4920 svalue = (int32_t) uvalue;
4921 if (esize <= 2 || (uint16_t) uvalue == (uint16_t) (uvalue >> 16))
4922 {
4923 svalue = (int16_t) uvalue;
4924 if (esize == 1 || (uint8_t) uvalue == (uint8_t) (uvalue >> 8))
4925 return FALSE;
4926 }
4927 }
4928 if ((svalue & 0xff) == 0)
4929 svalue /= 256;
4930 return svalue < -128 || svalue >= 128;
4931}
4932
a06ea964
NC
4933/* Include the opcode description table as well as the operand description
4934 table. */
20f55f38 4935#define VERIFIER(x) verify_##x
a06ea964 4936#include "aarch64-tbl.h"
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