1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
|
/* ARM assembler/disassembler support.
Copyright 2004, 2010, 2011 Free Software Foundation, Inc.
This file is part of GDB and GAS.
GDB and GAS are free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 3, or (at
your option) any later version.
GDB and GAS are distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GDB or GAS; see the file COPYING3. If not, write to the
Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/* The following bitmasks control CPU extensions: */
#define ARM_EXT_V1 0x00000001 /* All processors (core set). */
#define ARM_EXT_V2 0x00000002 /* Multiply instructions. */
#define ARM_EXT_V2S 0x00000004 /* SWP instructions. */
#define ARM_EXT_V3 0x00000008 /* MSR MRS. */
#define ARM_EXT_V3M 0x00000010 /* Allow long multiplies. */
#define ARM_EXT_V4 0x00000020 /* Allow half word loads. */
#define ARM_EXT_V4T 0x00000040 /* Thumb. */
#define ARM_EXT_V5 0x00000080 /* Allow CLZ, etc. */
#define ARM_EXT_V5T 0x00000100 /* Improved interworking. */
#define ARM_EXT_V5ExP 0x00000200 /* DSP core set. */
#define ARM_EXT_V5E 0x00000400 /* DSP Double transfers. */
#define ARM_EXT_V5J 0x00000800 /* Jazelle extension. */
#define ARM_EXT_V6 0x00001000 /* ARM V6. */
#define ARM_EXT_V6K 0x00002000 /* ARM V6K. */
/* 0x00004000 Was ARM V6Z. */
#define ARM_EXT_V8 0x00004000 /* is now ARMv8. */
#define ARM_EXT_V6T2 0x00008000 /* Thumb-2. */
#define ARM_EXT_DIV 0x00010000 /* Integer division. */
/* The 'M' in Arm V7M stands for Microcontroller.
On earlier architecture variants it stands for Multiply. */
#define ARM_EXT_V5E_NOTM 0x00020000 /* Arm V5E but not Arm V7M. */
#define ARM_EXT_V6_NOTM 0x00040000 /* Arm V6 but not Arm V7M. */
#define ARM_EXT_V7 0x00080000 /* Arm V7. */
#define ARM_EXT_V7A 0x00100000 /* Arm V7A. */
#define ARM_EXT_V7R 0x00200000 /* Arm V7R. */
#define ARM_EXT_V7M 0x00400000 /* Arm V7M. */
#define ARM_EXT_V6M 0x00800000 /* ARM V6M. */
#define ARM_EXT_BARRIER 0x01000000 /* DSB/DMB/ISB. */
#define ARM_EXT_THUMB_MSR 0x02000000 /* Thumb MSR/MRS. */
#define ARM_EXT_V6_DSP 0x04000000 /* ARM v6 (DSP-related),
not in v7-M. */
#define ARM_EXT_MP 0x08000000 /* Multiprocessing Extensions. */
#define ARM_EXT_SEC 0x10000000 /* Security extensions. */
#define ARM_EXT_OS 0x20000000 /* OS Extensions. */
#define ARM_EXT_ADIV 0x40000000 /* Integer divide extensions in ARM
state. */
#define ARM_EXT_VIRT 0x80000000 /* Virtualization extensions. */
/* Co-processor space extensions. */
#define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */
#define ARM_CEXT_MAVERICK 0x00000002 /* Use Cirrus/DSP coprocessor. */
#define ARM_CEXT_IWMMXT 0x00000004 /* Intel Wireless MMX technology coprocessor. */
#define ARM_CEXT_IWMMXT2 0x00000008 /* Intel Wireless MMX technology coprocessor version 2. */
#define FPU_ENDIAN_PURE 0x80000000 /* Pure-endian doubles. */
#define FPU_ENDIAN_BIG 0 /* Double words-big-endian. */
#define FPU_FPA_EXT_V1 0x40000000 /* Base FPA instruction set. */
#define FPU_FPA_EXT_V2 0x20000000 /* LFM/SFM. */
#define FPU_MAVERICK 0x10000000 /* Cirrus Maverick. */
#define FPU_VFP_EXT_V1xD 0x08000000 /* Base VFP instruction set. */
#define FPU_VFP_EXT_V1 0x04000000 /* Double-precision insns. */
#define FPU_VFP_EXT_V2 0x02000000 /* ARM10E VFPr1. */
#define FPU_VFP_EXT_V3xD 0x01000000 /* VFPv3 single-precision. */
#define FPU_VFP_EXT_V3 0x00800000 /* VFPv3 double-precision. */
#define FPU_NEON_EXT_V1 0x00400000 /* Neon (SIMD) insns. */
#define FPU_VFP_EXT_D32 0x00200000 /* Registers D16-D31. */
#define FPU_VFP_EXT_FP16 0x00100000 /* Half-precision extensions. */
#define FPU_NEON_EXT_FMA 0x00080000 /* Neon fused multiply-add */
#define FPU_VFP_EXT_FMA 0x00040000 /* VFP fused multiply-add */
#define FPU_VFP_EXT_ARMV8 0x00020000 /* FP for ARMv8. */
#define FPU_NEON_EXT_ARMV8 0x00010000 /* Neon for ARMv8. */
#define FPU_CRYPTO_EXT_ARMV8 0x00008000 /* Crypto for ARMv8. */
#define CRC_EXT_ARMV8 0x00004000 /* CRC32 for ARMv8. */
/* Architectures are the sum of the base and extensions. The ARM ARM (rev E)
defines the following: ARMv3, ARMv3M, ARMv4xM, ARMv4, ARMv4TxM, ARMv4T,
ARMv5xM, ARMv5, ARMv5TxM, ARMv5T, ARMv5TExP, ARMv5TE. To these we add
three more to cover cores prior to ARM6. Finally, there are cores which
implement further extensions in the co-processor space. */
#define ARM_AEXT_V1 ARM_EXT_V1
#define ARM_AEXT_V2 (ARM_AEXT_V1 | ARM_EXT_V2)
#define ARM_AEXT_V2S (ARM_AEXT_V2 | ARM_EXT_V2S)
#define ARM_AEXT_V3 (ARM_AEXT_V2S | ARM_EXT_V3)
#define ARM_AEXT_V3M (ARM_AEXT_V3 | ARM_EXT_V3M)
#define ARM_AEXT_V4xM (ARM_AEXT_V3 | ARM_EXT_V4)
#define ARM_AEXT_V4 (ARM_AEXT_V3M | ARM_EXT_V4)
#define ARM_AEXT_V4TxM (ARM_AEXT_V4xM | ARM_EXT_V4T)
#define ARM_AEXT_V4T (ARM_AEXT_V4 | ARM_EXT_V4T)
#define ARM_AEXT_V5xM (ARM_AEXT_V4xM | ARM_EXT_V5)
#define ARM_AEXT_V5 (ARM_AEXT_V4 | ARM_EXT_V5)
#define ARM_AEXT_V5TxM (ARM_AEXT_V5xM | ARM_EXT_V4T | ARM_EXT_V5T)
#define ARM_AEXT_V5T (ARM_AEXT_V5 | ARM_EXT_V4T | ARM_EXT_V5T)
#define ARM_AEXT_V5TExP (ARM_AEXT_V5T | ARM_EXT_V5ExP)
#define ARM_AEXT_V5TE (ARM_AEXT_V5TExP | ARM_EXT_V5E)
#define ARM_AEXT_V5TEJ (ARM_AEXT_V5TE | ARM_EXT_V5J)
#define ARM_AEXT_V6 (ARM_AEXT_V5TEJ | ARM_EXT_V6)
#define ARM_AEXT_V6K (ARM_AEXT_V6 | ARM_EXT_V6K)
#define ARM_AEXT_V6Z (ARM_AEXT_V6K | ARM_EXT_SEC)
#define ARM_AEXT_V6ZK (ARM_AEXT_V6K | ARM_EXT_SEC)
#define ARM_AEXT_V6T2 (ARM_AEXT_V6 \
| ARM_EXT_V6T2 | ARM_EXT_V6_NOTM | ARM_EXT_THUMB_MSR \
| ARM_EXT_V6_DSP )
#define ARM_AEXT_V6KT2 (ARM_AEXT_V6T2 | ARM_EXT_V6K)
#define ARM_AEXT_V6ZT2 (ARM_AEXT_V6T2 | ARM_EXT_SEC)
#define ARM_AEXT_V6ZKT2 (ARM_AEXT_V6T2 | ARM_EXT_V6K | ARM_EXT_SEC)
#define ARM_AEXT_V7_ARM (ARM_AEXT_V6KT2 | ARM_EXT_V7 | ARM_EXT_BARRIER)
#define ARM_AEXT_V7A (ARM_AEXT_V7_ARM | ARM_EXT_V7A)
#define ARM_AEXT_V7VE (ARM_AEXT_V7A | ARM_EXT_DIV | ARM_EXT_ADIV \
| ARM_EXT_VIRT | ARM_EXT_SEC | ARM_EXT_MP)
#define ARM_AEXT_V7R (ARM_AEXT_V7_ARM | ARM_EXT_V7R | ARM_EXT_DIV)
#define ARM_AEXT_NOTM \
(ARM_AEXT_V4 | ARM_EXT_V5ExP | ARM_EXT_V5J | ARM_EXT_V6_NOTM \
| ARM_EXT_V6_DSP )
#define ARM_AEXT_V6M_ONLY \
((ARM_EXT_BARRIER | ARM_EXT_V6M | ARM_EXT_THUMB_MSR) & ~(ARM_AEXT_NOTM))
#define ARM_AEXT_V6M \
((ARM_AEXT_V6K | ARM_AEXT_V6M_ONLY) & ~(ARM_AEXT_NOTM))
#define ARM_AEXT_V6SM (ARM_AEXT_V6M | ARM_EXT_OS)
#define ARM_AEXT_V7M \
((ARM_AEXT_V7_ARM | ARM_EXT_V6M | ARM_EXT_V7M | ARM_EXT_DIV) \
& ~(ARM_AEXT_NOTM))
#define ARM_AEXT_V7 (ARM_AEXT_V7A & ARM_AEXT_V7R & ARM_AEXT_V7M)
#define ARM_AEXT_V7EM \
(ARM_AEXT_V7M | ARM_EXT_V5ExP | ARM_EXT_V6_DSP)
#define ARM_AEXT_V8A \
(ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC | ARM_EXT_DIV | ARM_EXT_ADIV \
| ARM_EXT_VIRT | ARM_EXT_V8)
/* Processors with specific extensions in the co-processor space. */
#define ARM_ARCH_XSCALE ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE)
#define ARM_ARCH_IWMMXT \
ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT)
#define ARM_ARCH_IWMMXT2 \
ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT | ARM_CEXT_IWMMXT2)
#define FPU_VFP_V1xD (FPU_VFP_EXT_V1xD | FPU_ENDIAN_PURE)
#define FPU_VFP_V1 (FPU_VFP_V1xD | FPU_VFP_EXT_V1)
#define FPU_VFP_V2 (FPU_VFP_V1 | FPU_VFP_EXT_V2)
#define FPU_VFP_V3D16 (FPU_VFP_V2 | FPU_VFP_EXT_V3xD | FPU_VFP_EXT_V3)
#define FPU_VFP_V3 (FPU_VFP_V3D16 | FPU_VFP_EXT_D32)
#define FPU_VFP_V3xD (FPU_VFP_V1xD | FPU_VFP_EXT_V2 | FPU_VFP_EXT_V3xD)
#define FPU_VFP_V4D16 (FPU_VFP_V3D16 | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA)
#define FPU_VFP_V4 (FPU_VFP_V3 | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA)
#define FPU_VFP_V4_SP_D16 (FPU_VFP_V3xD | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA)
#define FPU_VFP_ARMV8 (FPU_VFP_V4 | FPU_VFP_EXT_ARMV8)
#define FPU_NEON_ARMV8 (FPU_NEON_EXT_V1 | FPU_NEON_EXT_FMA | FPU_NEON_EXT_ARMV8)
#define FPU_CRYPTO_ARMV8 (FPU_CRYPTO_EXT_ARMV8)
#define FPU_VFP_HARD (FPU_VFP_EXT_V1xD | FPU_VFP_EXT_V1 | FPU_VFP_EXT_V2 \
| FPU_VFP_EXT_V3xD | FPU_VFP_EXT_FMA | FPU_NEON_EXT_FMA \
| FPU_VFP_EXT_V3 | FPU_NEON_EXT_V1 | FPU_VFP_EXT_D32)
#define FPU_FPA (FPU_FPA_EXT_V1 | FPU_FPA_EXT_V2)
/* Deprecated. */
#define FPU_ARCH_VFP ARM_FEATURE (0, FPU_ENDIAN_PURE)
#define FPU_ARCH_FPE ARM_FEATURE (0, FPU_FPA_EXT_V1)
#define FPU_ARCH_FPA ARM_FEATURE (0, FPU_FPA)
#define FPU_ARCH_VFP_V1xD ARM_FEATURE (0, FPU_VFP_V1xD)
#define FPU_ARCH_VFP_V1 ARM_FEATURE (0, FPU_VFP_V1)
#define FPU_ARCH_VFP_V2 ARM_FEATURE (0, FPU_VFP_V2)
#define FPU_ARCH_VFP_V3D16 ARM_FEATURE (0, FPU_VFP_V3D16)
#define FPU_ARCH_VFP_V3D16_FP16 \
ARM_FEATURE (0, FPU_VFP_V3D16 | FPU_VFP_EXT_FP16)
#define FPU_ARCH_VFP_V3 ARM_FEATURE (0, FPU_VFP_V3)
#define FPU_ARCH_VFP_V3_FP16 ARM_FEATURE (0, FPU_VFP_V3 | FPU_VFP_EXT_FP16)
#define FPU_ARCH_VFP_V3xD ARM_FEATURE (0, FPU_VFP_V3xD)
#define FPU_ARCH_VFP_V3xD_FP16 ARM_FEATURE (0, FPU_VFP_V3xD | FPU_VFP_EXT_FP16)
#define FPU_ARCH_NEON_V1 ARM_FEATURE (0, FPU_NEON_EXT_V1)
#define FPU_ARCH_VFP_V3_PLUS_NEON_V1 \
ARM_FEATURE (0, FPU_VFP_V3 | FPU_NEON_EXT_V1)
#define FPU_ARCH_NEON_FP16 \
ARM_FEATURE (0, FPU_VFP_V3 | FPU_NEON_EXT_V1 | FPU_VFP_EXT_FP16)
#define FPU_ARCH_VFP_HARD ARM_FEATURE (0, FPU_VFP_HARD)
#define FPU_ARCH_VFP_V4 ARM_FEATURE(0, FPU_VFP_V4)
#define FPU_ARCH_VFP_V4D16 ARM_FEATURE(0, FPU_VFP_V4D16)
#define FPU_ARCH_VFP_V4_SP_D16 ARM_FEATURE(0, FPU_VFP_V4_SP_D16)
#define FPU_ARCH_NEON_VFP_V4 \
ARM_FEATURE(0, FPU_VFP_V4 | FPU_NEON_EXT_V1 | FPU_NEON_EXT_FMA)
#define FPU_ARCH_VFP_ARMV8 ARM_FEATURE(0, FPU_VFP_ARMV8)
#define FPU_ARCH_NEON_VFP_ARMV8 ARM_FEATURE(0, FPU_NEON_ARMV8 | FPU_VFP_ARMV8)
#define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8 \
ARM_FEATURE(0, FPU_CRYPTO_ARMV8 | FPU_NEON_ARMV8 | FPU_VFP_ARMV8)
#define ARCH_CRC_ARMV8 ARM_FEATURE(0, CRC_EXT_ARMV8)
#define FPU_ARCH_ENDIAN_PURE ARM_FEATURE (0, FPU_ENDIAN_PURE)
#define FPU_ARCH_MAVERICK ARM_FEATURE (0, FPU_MAVERICK)
#define ARM_ARCH_V1 ARM_FEATURE (ARM_AEXT_V1, 0)
#define ARM_ARCH_V2 ARM_FEATURE (ARM_AEXT_V2, 0)
#define ARM_ARCH_V2S ARM_FEATURE (ARM_AEXT_V2S, 0)
#define ARM_ARCH_V3 ARM_FEATURE (ARM_AEXT_V3, 0)
#define ARM_ARCH_V3M ARM_FEATURE (ARM_AEXT_V3M, 0)
#define ARM_ARCH_V4xM ARM_FEATURE (ARM_AEXT_V4xM, 0)
#define ARM_ARCH_V4 ARM_FEATURE (ARM_AEXT_V4, 0)
#define ARM_ARCH_V4TxM ARM_FEATURE (ARM_AEXT_V4TxM, 0)
#define ARM_ARCH_V4T ARM_FEATURE (ARM_AEXT_V4T, 0)
#define ARM_ARCH_V5xM ARM_FEATURE (ARM_AEXT_V5xM, 0)
#define ARM_ARCH_V5 ARM_FEATURE (ARM_AEXT_V5, 0)
#define ARM_ARCH_V5TxM ARM_FEATURE (ARM_AEXT_V5TxM, 0)
#define ARM_ARCH_V5T ARM_FEATURE (ARM_AEXT_V5T, 0)
#define ARM_ARCH_V5TExP ARM_FEATURE (ARM_AEXT_V5TExP, 0)
#define ARM_ARCH_V5TE ARM_FEATURE (ARM_AEXT_V5TE, 0)
#define ARM_ARCH_V5TEJ ARM_FEATURE (ARM_AEXT_V5TEJ, 0)
#define ARM_ARCH_V6 ARM_FEATURE (ARM_AEXT_V6, 0)
#define ARM_ARCH_V6K ARM_FEATURE (ARM_AEXT_V6K, 0)
#define ARM_ARCH_V6Z ARM_FEATURE (ARM_AEXT_V6Z, 0)
#define ARM_ARCH_V6ZK ARM_FEATURE (ARM_AEXT_V6ZK, 0)
#define ARM_ARCH_V6T2 ARM_FEATURE (ARM_AEXT_V6T2, 0)
#define ARM_ARCH_V6KT2 ARM_FEATURE (ARM_AEXT_V6KT2, 0)
#define ARM_ARCH_V6ZT2 ARM_FEATURE (ARM_AEXT_V6ZT2, 0)
#define ARM_ARCH_V6ZKT2 ARM_FEATURE (ARM_AEXT_V6ZKT2, 0)
#define ARM_ARCH_V6M ARM_FEATURE (ARM_AEXT_V6M, 0)
#define ARM_ARCH_V6SM ARM_FEATURE (ARM_AEXT_V6SM, 0)
#define ARM_ARCH_V7 ARM_FEATURE (ARM_AEXT_V7, 0)
#define ARM_ARCH_V7A ARM_FEATURE (ARM_AEXT_V7A, 0)
#define ARM_ARCH_V7VE ARM_FEATURE (ARM_AEXT_V7VE, 0)
#define ARM_ARCH_V7R ARM_FEATURE (ARM_AEXT_V7R, 0)
#define ARM_ARCH_V7M ARM_FEATURE (ARM_AEXT_V7M, 0)
#define ARM_ARCH_V7EM ARM_FEATURE (ARM_AEXT_V7EM, 0)
#define ARM_ARCH_V8A ARM_FEATURE (ARM_AEXT_V8A, 0)
/* Some useful combinations: */
#define ARM_ARCH_NONE ARM_FEATURE (0, 0)
#define FPU_NONE ARM_FEATURE (0, 0)
#define ARM_ANY ARM_FEATURE (-1, 0) /* Any basic core. */
#define FPU_ANY_HARD ARM_FEATURE (0, FPU_FPA | FPU_VFP_HARD | FPU_MAVERICK)
#define ARM_ARCH_THUMB2 ARM_FEATURE (ARM_EXT_V6T2 | ARM_EXT_V7 | ARM_EXT_V7A | ARM_EXT_V7R | ARM_EXT_V7M | ARM_EXT_DIV, 0)
/* v7-a+sec. */
#define ARM_ARCH_V7A_SEC ARM_FEATURE (ARM_AEXT_V7A | ARM_EXT_SEC, 0)
/* v7-a+mp+sec. */
#define ARM_ARCH_V7A_MP_SEC \
ARM_FEATURE (ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC, \
0)
/* v7-r+idiv. */
#define ARM_ARCH_V7R_IDIV ARM_FEATURE (ARM_AEXT_V7R | ARM_EXT_ADIV, 0)
/* Features that are present in v6M and v6S-M but not other v6 cores. */
#define ARM_ARCH_V6M_ONLY ARM_FEATURE (ARM_AEXT_V6M_ONLY, 0)
/* v8-a+fp. */
#define ARM_ARCH_V8A_FP ARM_FEATURE (ARM_AEXT_V8A, FPU_ARCH_VFP_ARMV8)
/* v8-a+simd (implies fp). */
#define ARM_ARCH_V8A_SIMD ARM_FEATURE (ARM_AEXT_V8A, \
FPU_ARCH_NEON_VFP_ARMV8)
/* v8-a+crypto (implies simd+fp). */
#define ARM_ARCH_V8A_CRYPTOV1 ARM_FEATURE (ARM_AEXT_V8A, \
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8)
/* There are too many feature bits to fit in a single word, so use a
structure. For simplicity we put all core features in one word and
everything else in the other. */
typedef struct
{
unsigned long core;
unsigned long coproc;
} arm_feature_set;
#define ARM_CPU_HAS_FEATURE(CPU,FEAT) \
(((CPU).core & (FEAT).core) != 0 || ((CPU).coproc & (FEAT).coproc) != 0)
#define ARM_CPU_IS_ANY(CPU) \
((CPU).core == ((arm_feature_set)ARM_ANY).core)
#define ARM_MERGE_FEATURE_SETS(TARG,F1,F2) \
do { \
(TARG).core = (F1).core | (F2).core; \
(TARG).coproc = (F1).coproc | (F2).coproc; \
} while (0)
#define ARM_CLEAR_FEATURE(TARG,F1,F2) \
do { \
(TARG).core = (F1).core &~ (F2).core; \
(TARG).coproc = (F1).coproc &~ (F2).coproc; \
} while (0)
#define ARM_FEATURE(core, coproc) {(core), (coproc)}
|
