xref: /netbsd-src/external/gpl3/gdb/dist/include/opcode/arm.h (revision cef8759bd76c1b621f8eab8faa6f208faabc2e15)
1 /* ARM assembler/disassembler support.
2    Copyright (C) 2004-2019 Free Software Foundation, Inc.
3 
4    This file is part of GDB and GAS.
5 
6    GDB and GAS are free software; you can redistribute it and/or
7    modify it under the terms of the GNU General Public License as
8    published by the Free Software Foundation; either version 3, or (at
9    your option) any later version.
10 
11    GDB and GAS are distributed in the hope that it will be useful, but
12    WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14    General Public License for more details.
15 
16    You should have received a copy of the GNU General Public License
17    along with GDB or GAS; see the file COPYING3.  If not, write to the
18    Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
19    MA 02110-1301, USA.  */
20 
21 /* The following bitmasks control CPU extensions:  */
22 #define ARM_EXT_V1	     0x00000001	/* All processors (core set).	     */
23 #define ARM_EXT_V2	     0x00000002	/* Multiply instructions.	     */
24 #define ARM_EXT_V2S	     0x00000004	/* SWP instructions.		     */
25 #define ARM_EXT_V3	     0x00000008	/* MSR MRS.			     */
26 #define ARM_EXT_V3M	     0x00000010	/* Allow long multiplies.	     */
27 #define ARM_EXT_V4	     0x00000020	/* Allow half word loads.	     */
28 #define ARM_EXT_V4T	     0x00000040	/* Thumb.			     */
29 #define ARM_EXT_V5	     0x00000080	/* Allow CLZ, etc.		     */
30 #define ARM_EXT_V5T	     0x00000100	/* Improved interworking.	     */
31 #define ARM_EXT_V5ExP	     0x00000200	/* DSP core set.		     */
32 #define ARM_EXT_V5E	     0x00000400	/* DSP Double transfers.	     */
33 #define ARM_EXT_V5J	     0x00000800	/* Jazelle extension.		     */
34 #define ARM_EXT_V6	     0x00001000 /* ARM V6.			     */
35 #define ARM_EXT_V6K	     0x00002000 /* ARM V6K.			     */
36 #define ARM_EXT_V8	     0x00004000 /* ARMv8 w/o atomics.		     */
37 #define ARM_EXT_V6T2	     0x00008000	/* Thumb-2.			     */
38 #define ARM_EXT_DIV	     0x00010000	/* Integer division.		     */
39 /* The 'M' in Arm V7M stands for Microcontroller.
40    On earlier architecture variants it stands for Multiply.  */
41 #define ARM_EXT_V5E_NOTM     0x00020000	/* Arm V5E but not Arm V7M.	     */
42 #define ARM_EXT_V6_NOTM	     0x00040000	/* Arm V6 but not Arm V7M.	     */
43 #define ARM_EXT_V7	     0x00080000	/* Arm V7.			     */
44 #define ARM_EXT_V7A	     0x00100000	/* Arm V7A.			     */
45 #define ARM_EXT_V7R	     0x00200000	/* Arm V7R.			     */
46 #define ARM_EXT_V7M	     0x00400000	/* Arm V7M.			     */
47 #define ARM_EXT_V6M	     0x00800000	/* ARM V6M.			     */
48 #define ARM_EXT_BARRIER	     0x01000000	/* DSB/DMB/ISB.			     */
49 #define ARM_EXT_THUMB_MSR    0x02000000	/* Thumb MSR/MRS.		     */
50 #define ARM_EXT_V6_DSP	     0x04000000	/* ARM v6 (DSP-related),
51 					   not in v7-M.			     */
52 #define ARM_EXT_MP	     0x08000000 /* Multiprocessing Extensions.	     */
53 #define ARM_EXT_SEC	     0x10000000	/* Security extensions.		     */
54 #define ARM_EXT_OS	     0x20000000	/* OS Extensions.		     */
55 #define ARM_EXT_ADIV	     0x40000000	/* Integer divide extensions in ARM
56 					   state.			     */
57 #define ARM_EXT_VIRT	     0x80000000	/* Virtualization extensions.	     */
58 
59 #define ARM_EXT2_PAN	     0x00000001 /* PAN extension.		     */
60 #define ARM_EXT2_V8_2A	     0x00000002 /* ARM V8.2A.			     */
61 #define ARM_EXT2_V8M	     0x00000004	/* ARM V8M.			     */
62 #define ARM_EXT2_ATOMICS     0x00000008	/* ARMv8 atomics.		     */
63 #define ARM_EXT2_V6T2_V8M    0x00000010	/* V8M Baseline from V6T2.	     */
64 #define ARM_EXT2_FP16_INST   0x00000020	/* ARM V8.2A FP16 instructions.	     */
65 #define ARM_EXT2_V8M_MAIN    0x00000040	/* ARMv8-M Mainline.		     */
66 #define ARM_EXT2_RAS	     0x00000080	/* RAS extension.		     */
67 #define ARM_EXT2_V8_3A	     0x00000100	/* ARM V8.3A.			     */
68 #define ARM_EXT2_V8A	     0x00000200	/* ARMv8-A.			     */
69 #define ARM_EXT2_V8_4A	     0x00000400	/* ARM V8.4A.			     */
70 #define ARM_EXT2_FP16_FML    0x00000800	/* ARM V8.2A FP16-FML
71 					   instructions.		     */
72 #define ARM_EXT2_V8_5A	     0x00001000	/* ARM V8.5A.			     */
73 #define ARM_EXT2_SB	     0x00002000	/* Speculation Barrier instruction.  */
74 #define ARM_EXT2_PREDRES     0x00004000	/* Prediction Restriction insns.     */
75 
76 /* Co-processor space extensions.  */
77 #define ARM_CEXT_XSCALE	     0x00000001	/* Allow MIA etc.	 	   */
78 #define ARM_CEXT_MAVERICK    0x00000002	/* Use Cirrus/DSP coprocessor.	   */
79 #define ARM_CEXT_IWMMXT	     0x00000004 /* Intel Wireless MMX technology
80 					   coprocessor.			   */
81 #define ARM_CEXT_IWMMXT2     0x00000008 /* Intel Wireless MMX technology
82 					   coprocessor version 2.	   */
83 
84 #define FPU_ENDIAN_PURE	     0x80000000	/* Pure-endian doubles.		   */
85 #define FPU_FPA_EXT_V1	     0x40000000	/* Base FPA instruction set.	   */
86 #define FPU_FPA_EXT_V2	     0x20000000	/* LFM/SFM.			   */
87 #define FPU_MAVERICK	     0x10000000	/* Cirrus Maverick.		   */
88 #define FPU_VFP_EXT_V1xD     0x08000000	/* Base VFP instruction set.	   */
89 #define FPU_VFP_EXT_V1	     0x04000000	/* Double-precision insns.	   */
90 #define FPU_VFP_EXT_V2	     0x02000000	/* ARM10E VFPr1.		   */
91 #define FPU_VFP_EXT_V3xD     0x01000000	/* VFPv3 single-precision.	   */
92 #define FPU_VFP_EXT_V3	     0x00800000	/* VFPv3 double-precision.	   */
93 #define FPU_NEON_EXT_V1	     0x00400000	/* Neon (SIMD) insns.		   */
94 #define FPU_VFP_EXT_D32	     0x00200000	/* Registers D16-D31.		   */
95 #define FPU_VFP_EXT_FP16     0x00100000	/* Half-precision extensions.	   */
96 #define FPU_NEON_EXT_FMA     0x00080000	/* Neon fused multiply-add.	   */
97 #define FPU_VFP_EXT_FMA	     0x00040000	/* VFP fused multiply-add.	   */
98 #define FPU_VFP_EXT_ARMV8    0x00020000	/* Double-precision FP for ARMv8.  */
99 #define FPU_NEON_EXT_ARMV8   0x00010000	/* Neon for ARMv8.		   */
100 #define FPU_CRYPTO_EXT_ARMV8 0x00008000	/* Crypto for ARMv8.		   */
101 #define CRC_EXT_ARMV8	     0x00004000	/* CRC32 for ARMv8.		   */
102 #define FPU_VFP_EXT_ARMV8xD  0x00002000	/* Single-precision FP for ARMv8.  */
103 #define FPU_NEON_EXT_RDMA    0x00001000	/* v8.1 Adv.SIMD extensions.	   */
104 #define FPU_NEON_EXT_DOTPROD 0x00000800	/* Dot Product extension.	   */
105 
106 /* Architectures are the sum of the base and extensions.  The ARM ARM (rev E)
107    defines the following: ARMv3, ARMv3M, ARMv4xM, ARMv4, ARMv4TxM, ARMv4T,
108    ARMv5xM, ARMv5, ARMv5TxM, ARMv5T, ARMv5TExP, ARMv5TE.  To these we add
109    three more to cover cores prior to ARM6.  Finally, there are cores which
110    implement further extensions in the co-processor space.  */
111 #define ARM_AEXT_V1			     ARM_EXT_V1
112 #define ARM_AEXT_V2	(ARM_AEXT_V1	   | ARM_EXT_V2)
113 #define ARM_AEXT_V2S	(ARM_AEXT_V2	   | ARM_EXT_V2S)
114 #define ARM_AEXT_V3	(ARM_AEXT_V2S	   | ARM_EXT_V3)
115 #define ARM_AEXT_V3M	(ARM_AEXT_V3	   | ARM_EXT_V3M)
116 #define ARM_AEXT_V4xM	(ARM_AEXT_V3	   | ARM_EXT_V4)
117 #define ARM_AEXT_V4	(ARM_AEXT_V3M	   | ARM_EXT_V4)
118 #define ARM_AEXT_V4TxM	(ARM_AEXT_V4xM	   | ARM_EXT_V4T    | ARM_EXT_OS)
119 #define ARM_AEXT_V4T	(ARM_AEXT_V4	   | ARM_EXT_V4T    | ARM_EXT_OS)
120 #define ARM_AEXT_V5xM	(ARM_AEXT_V4xM	   | ARM_EXT_V5)
121 #define ARM_AEXT_V5	(ARM_AEXT_V4	   | ARM_EXT_V5)
122 #define ARM_AEXT_V5TxM	(ARM_AEXT_V5xM	   | ARM_EXT_V4T    | ARM_EXT_V5T     \
123 					   | ARM_EXT_OS)
124 #define ARM_AEXT_V5T	(ARM_AEXT_V5	   | ARM_EXT_V4T    | ARM_EXT_V5T     \
125 					   | ARM_EXT_OS)
126 #define ARM_AEXT_V5TExP	(ARM_AEXT_V5T	   | ARM_EXT_V5ExP)
127 #define ARM_AEXT_V5TE	(ARM_AEXT_V5TExP   | ARM_EXT_V5E)
128 #define ARM_AEXT_V5TEJ	(ARM_AEXT_V5TE	   | ARM_EXT_V5J)
129 #define ARM_AEXT_V6	(ARM_AEXT_V5TEJ	   | ARM_EXT_V6)
130 #define ARM_AEXT_V6K	(ARM_AEXT_V6	   | ARM_EXT_V6K)
131 #define ARM_AEXT_V6Z	(ARM_AEXT_V6K	   | ARM_EXT_SEC)
132 #define ARM_AEXT_V6KZ	(ARM_AEXT_V6K	   | ARM_EXT_SEC)
133 #define ARM_AEXT_V6T2	(ARM_AEXT_V6	   | ARM_EXT_V6T2   | ARM_EXT_V6_NOTM \
134 					   | ARM_EXT_THUMB_MSR \
135 					   | ARM_EXT_V6_DSP )
136 #define ARM_AEXT_V6KT2	(ARM_AEXT_V6T2	   | ARM_EXT_V6K)
137 #define ARM_AEXT_V6ZT2	(ARM_AEXT_V6T2	   | ARM_EXT_SEC)
138 #define ARM_AEXT_V6KZT2	(ARM_AEXT_V6T2	   | ARM_EXT_V6K    | ARM_EXT_SEC)
139 #define ARM_AEXT_V7_ARM	(ARM_AEXT_V6KT2	   | ARM_EXT_V7     | ARM_EXT_BARRIER)
140 #define ARM_AEXT_V7A	(ARM_AEXT_V7_ARM   | ARM_EXT_V7A)
141 #define ARM_AEXT_V7VE	(ARM_AEXT_V7A	   | ARM_EXT_DIV    | ARM_EXT_ADIV    \
142 					   | ARM_EXT_VIRT   | ARM_EXT_SEC     \
143 					   | ARM_EXT_MP)
144 #define ARM_AEXT_V7R	(ARM_AEXT_V7_ARM   | ARM_EXT_V7R    | ARM_EXT_DIV)
145 #define ARM_AEXT_NOTM	(ARM_AEXT_V4	   | ARM_EXT_V5ExP  | ARM_EXT_V5J     \
146 					   | ARM_EXT_V6_DSP		      \
147 					   | ARM_EXT_V6_NOTM)
148 #define ARM_AEXT_V6M   ((ARM_AEXT_V6K	   | ARM_EXT_V6M    | ARM_EXT_BARRIER \
149 					   | ARM_EXT_THUMB_MSR)		      \
150 			& ~(ARM_AEXT_NOTM | ARM_EXT_OS))
151 #define ARM_AEXT_V6SM	(ARM_AEXT_V6M	   | ARM_EXT_OS)
152 #define ARM_AEXT_V7M   ((ARM_AEXT_V7_ARM   | ARM_EXT_V6M    | ARM_EXT_V7M     \
153 					   | ARM_EXT_DIV)		      \
154 			& ~ARM_AEXT_NOTM)
155 #define ARM_AEXT_V7	(ARM_AEXT_V7A	   & ARM_AEXT_V7R   & ARM_AEXT_V7M)
156 #define ARM_AEXT_V7EM	(ARM_AEXT_V7M	   | ARM_EXT_V5ExP  | ARM_EXT_V6_DSP)
157 #define ARM_AEXT_V8A	(ARM_AEXT_V7A	   | ARM_EXT_MP	    | ARM_EXT_SEC     \
158 					   | ARM_EXT_DIV    | ARM_EXT_ADIV    \
159 					   | ARM_EXT_VIRT   | ARM_EXT_V8)
160 #define ARM_AEXT2_V8AR	(ARM_EXT2_V6T2_V8M | ARM_EXT2_ATOMICS)
161 #define ARM_AEXT2_V8A	(ARM_AEXT2_V8AR	   | ARM_EXT2_V8A)
162 #define ARM_AEXT2_V8_1A	(ARM_AEXT2_V8A	   | ARM_EXT2_PAN)
163 #define ARM_AEXT2_V8_2A	(ARM_AEXT2_V8_1A   | ARM_EXT2_V8_2A | ARM_EXT2_RAS)
164 #define ARM_AEXT2_V8_3A	(ARM_AEXT2_V8_2A   | ARM_EXT2_V8_3A)
165 #define ARM_AEXT2_V8_4A	(ARM_AEXT2_V8_3A   | ARM_EXT2_FP16_FML		      \
166 					   | ARM_EXT2_V8_4A)
167 #define ARM_AEXT2_V8_5A	(ARM_AEXT2_V8_4A   | ARM_EXT2_V8_5A | ARM_EXT2_SB     \
168 					   | ARM_EXT2_PREDRES)
169 #define ARM_AEXT_V8M_BASE	(ARM_AEXT_V6SM	    | ARM_EXT_DIV)
170 #define ARM_AEXT_V8M_MAIN	 ARM_AEXT_V7M
171 #define ARM_AEXT_V8M_MAIN_DSP	 ARM_AEXT_V7EM
172 #define ARM_AEXT2_V8M_BASE	(ARM_EXT2_V8M	    | ARM_EXT2_ATOMICS	      \
173 						    | ARM_EXT2_V6T2_V8M)
174 #define ARM_AEXT2_V8M_MAIN	(ARM_AEXT2_V8M_BASE | ARM_EXT2_V8M_MAIN)
175 #define ARM_AEXT2_V8M_MAIN_DSP	 ARM_AEXT2_V8M_MAIN
176 #define ARM_AEXT_V8R		 ARM_AEXT_V8A
177 #define ARM_AEXT2_V8R		 ARM_AEXT2_V8AR
178 
179 /* Processors with specific extensions in the co-processor space.  */
180 #define ARM_ARCH_XSCALE	ARM_FEATURE_LOW (ARM_AEXT_V5TE, ARM_CEXT_XSCALE)
181 #define ARM_ARCH_IWMMXT	\
182  ARM_FEATURE_LOW (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT)
183 #define ARM_ARCH_IWMMXT2	\
184  ARM_FEATURE_LOW (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT \
185 		  | ARM_CEXT_IWMMXT2)
186 
187 #define FPU_VFP_V1xD	  (FPU_VFP_EXT_V1xD  | FPU_ENDIAN_PURE)
188 #define FPU_VFP_V1	  (FPU_VFP_V1xD	     | FPU_VFP_EXT_V1)
189 #define FPU_VFP_V2	  (FPU_VFP_V1	     | FPU_VFP_EXT_V2)
190 #define FPU_VFP_V3D16	  (FPU_VFP_V2	     | FPU_VFP_EXT_V3xD	   \
191 					     | FPU_VFP_EXT_V3)
192 #define FPU_VFP_V3	  (FPU_VFP_V3D16     | FPU_VFP_EXT_D32)
193 #define FPU_VFP_V3xD	  (FPU_VFP_V1xD	     | FPU_VFP_EXT_V2	   \
194 					     | FPU_VFP_EXT_V3xD)
195 #define FPU_VFP_V4D16	  (FPU_VFP_V3D16     | FPU_VFP_EXT_FP16	   \
196 					     | FPU_VFP_EXT_FMA)
197 #define FPU_VFP_V4	  (FPU_VFP_V3	     | FPU_VFP_EXT_FP16	   \
198 					     | FPU_VFP_EXT_FMA)
199 #define FPU_VFP_V4_SP_D16 (FPU_VFP_V3xD	     | FPU_VFP_EXT_FP16	   \
200 					     | FPU_VFP_EXT_FMA)
201 #define FPU_VFP_V5D16	  (FPU_VFP_V4D16     | FPU_VFP_EXT_ARMV8xD \
202 					     | FPU_VFP_EXT_ARMV8)
203 #define FPU_VFP_V5_SP_D16 (FPU_VFP_V4_SP_D16 | FPU_VFP_EXT_ARMV8xD)
204 #define FPU_VFP_ARMV8	  (FPU_VFP_V4	     | FPU_VFP_EXT_ARMV8   \
205 					     | FPU_VFP_EXT_ARMV8xD)
206 #define FPU_NEON_ARMV8	  (FPU_NEON_EXT_V1   | FPU_NEON_EXT_FMA	   \
207 					     | FPU_NEON_EXT_ARMV8)
208 #define FPU_CRYPTO_ARMV8  (FPU_CRYPTO_EXT_ARMV8)
209 #define FPU_VFP_HARD	  (FPU_VFP_EXT_V1xD  | FPU_VFP_EXT_V1	   \
210 					     | FPU_VFP_EXT_V2	   \
211 					     | FPU_VFP_EXT_V3xD	   \
212 					     | FPU_VFP_EXT_FMA	   \
213 					     | FPU_NEON_EXT_FMA	   \
214 					     | FPU_VFP_EXT_V3	   \
215 					     | FPU_NEON_EXT_V1	   \
216 					     | FPU_VFP_EXT_D32)
217 #define FPU_FPA		  (FPU_FPA_EXT_V1    | FPU_FPA_EXT_V2)
218 
219 /* Deprecated.  */
220 #define FPU_ARCH_VFP		ARM_FEATURE_COPROC (FPU_ENDIAN_PURE)
221 
222 #define FPU_ARCH_FPE		ARM_FEATURE_COPROC (FPU_FPA_EXT_V1)
223 #define FPU_ARCH_FPA		ARM_FEATURE_COPROC (FPU_FPA)
224 
225 #define FPU_ARCH_VFP_V1xD	ARM_FEATURE_COPROC (FPU_VFP_V1xD)
226 #define FPU_ARCH_VFP_V1		ARM_FEATURE_COPROC (FPU_VFP_V1)
227 #define FPU_ARCH_VFP_V2		ARM_FEATURE_COPROC (FPU_VFP_V2)
228 #define FPU_ARCH_VFP_V3D16	ARM_FEATURE_COPROC (FPU_VFP_V3D16)
229 #define FPU_ARCH_VFP_V3D16_FP16 ARM_FEATURE_COPROC (FPU_VFP_V3D16	 \
230 						    | FPU_VFP_EXT_FP16)
231 #define FPU_ARCH_VFP_V3		ARM_FEATURE_COPROC (FPU_VFP_V3)
232 #define FPU_ARCH_VFP_V3_FP16	ARM_FEATURE_COPROC (FPU_VFP_V3		 \
233 						    | FPU_VFP_EXT_FP16)
234 #define FPU_ARCH_VFP_V3xD	ARM_FEATURE_COPROC (FPU_VFP_V3xD)
235 #define FPU_ARCH_VFP_V3xD_FP16	ARM_FEATURE_COPROC (FPU_VFP_V3xD	 \
236 						    | FPU_VFP_EXT_FP16)
237 #define FPU_ARCH_NEON_V1	ARM_FEATURE_COPROC (FPU_NEON_EXT_V1)
238 #define FPU_ARCH_VFP_V3_PLUS_NEON_V1					 \
239 				ARM_FEATURE_COPROC (FPU_VFP_V3		 \
240 						    | FPU_NEON_EXT_V1)
241 #define FPU_ARCH_NEON_FP16	ARM_FEATURE_COPROC (FPU_VFP_V3		 \
242 						    | FPU_NEON_EXT_V1	 \
243 						    | FPU_VFP_EXT_FP16)
244 #define FPU_ARCH_VFP_HARD	ARM_FEATURE_COPROC (FPU_VFP_HARD)
245 #define FPU_ARCH_VFP_V4		ARM_FEATURE_COPROC (FPU_VFP_V4)
246 #define FPU_ARCH_VFP_V4D16	ARM_FEATURE_COPROC (FPU_VFP_V4D16)
247 #define FPU_ARCH_VFP_V4_SP_D16	ARM_FEATURE_COPROC (FPU_VFP_V4_SP_D16)
248 #define FPU_ARCH_VFP_V5D16	ARM_FEATURE_COPROC (FPU_VFP_V5D16)
249 #define FPU_ARCH_VFP_V5_SP_D16	ARM_FEATURE_COPROC (FPU_VFP_V5_SP_D16)
250 #define FPU_ARCH_NEON_VFP_V4	ARM_FEATURE_COPROC (FPU_VFP_V4		 \
251 						    | FPU_NEON_EXT_V1	 \
252 						    | FPU_NEON_EXT_FMA)
253 #define FPU_ARCH_VFP_ARMV8	ARM_FEATURE_COPROC (FPU_VFP_ARMV8)
254 #define FPU_ARCH_NEON_VFP_ARMV8	ARM_FEATURE_COPROC (FPU_NEON_ARMV8	 \
255 						    | FPU_VFP_ARMV8)
256 #define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8					 \
257 				ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8	 \
258 						    | FPU_NEON_ARMV8	 \
259 						    | FPU_VFP_ARMV8)
260 #define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD				 \
261 				ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8	 \
262 						    | FPU_NEON_ARMV8	 \
263 						    | FPU_VFP_ARMV8	 \
264 						    | FPU_NEON_EXT_DOTPROD)
265 #define ARCH_CRC_ARMV8		ARM_FEATURE_COPROC (CRC_EXT_ARMV8)
266 #define FPU_ARCH_NEON_VFP_ARMV8_1					 \
267 				ARM_FEATURE_COPROC (FPU_NEON_ARMV8	 \
268 						    | FPU_VFP_ARMV8	 \
269 						    | FPU_NEON_EXT_RDMA)
270 #define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_1				 \
271 				ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8	 \
272 						    | FPU_NEON_ARMV8	 \
273 						    | FPU_VFP_ARMV8	 \
274 						    | FPU_NEON_EXT_RDMA)
275 #define FPU_ARCH_DOTPROD_NEON_VFP_ARMV8					 \
276 				ARM_FEATURE_COPROC (FPU_NEON_EXT_DOTPROD \
277 						    | FPU_NEON_ARMV8	 \
278 						    | FPU_VFP_ARMV8)
279 
280 
281 #define FPU_ARCH_ENDIAN_PURE ARM_FEATURE_COPROC (FPU_ENDIAN_PURE)
282 
283 #define FPU_ARCH_MAVERICK ARM_FEATURE_COPROC (FPU_MAVERICK)
284 
285 #define ARM_ARCH_V1	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V1)
286 #define ARM_ARCH_V2	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V2)
287 #define ARM_ARCH_V2S	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V2S)
288 #define ARM_ARCH_V3	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V3)
289 #define ARM_ARCH_V3M	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V3M)
290 #define ARM_ARCH_V4xM	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V4xM)
291 #define ARM_ARCH_V4	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V4)
292 #define ARM_ARCH_V4TxM	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V4TxM)
293 #define ARM_ARCH_V4T	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V4T)
294 #define ARM_ARCH_V5xM	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V5xM)
295 #define ARM_ARCH_V5	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V5)
296 #define ARM_ARCH_V5TxM	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V5TxM)
297 #define ARM_ARCH_V5T	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V5T)
298 #define ARM_ARCH_V5TExP	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V5TExP)
299 #define ARM_ARCH_V5TE	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V5TE)
300 #define ARM_ARCH_V5TEJ	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V5TEJ)
301 #define ARM_ARCH_V6	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V6)
302 #define ARM_ARCH_V6K	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V6K)
303 #define ARM_ARCH_V6Z	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V6Z)
304 #define ARM_ARCH_V6KZ	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V6KZ)
305 #define ARM_ARCH_V6T2	 ARM_FEATURE_CORE (ARM_AEXT_V6T2, ARM_EXT2_V6T2_V8M)
306 #define ARM_ARCH_V6KT2	 ARM_FEATURE_CORE (ARM_AEXT_V6KT2, ARM_EXT2_V6T2_V8M)
307 #define ARM_ARCH_V6ZT2	 ARM_FEATURE_CORE (ARM_AEXT_V6ZT2, ARM_EXT2_V6T2_V8M)
308 #define ARM_ARCH_V6KZT2	 ARM_FEATURE_CORE (ARM_AEXT_V6KZT2, ARM_EXT2_V6T2_V8M)
309 #define ARM_ARCH_V6M	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V6M)
310 #define ARM_ARCH_V6SM	 ARM_FEATURE_CORE_LOW (ARM_AEXT_V6SM)
311 #define ARM_ARCH_V7	 ARM_FEATURE_CORE (ARM_AEXT_V7, ARM_EXT2_V6T2_V8M)
312 #define ARM_ARCH_V7A	 ARM_FEATURE_CORE (ARM_AEXT_V7A, ARM_EXT2_V6T2_V8M)
313 #define ARM_ARCH_V7VE	 ARM_FEATURE_CORE (ARM_AEXT_V7VE, ARM_EXT2_V6T2_V8M)
314 #define ARM_ARCH_V7R	 ARM_FEATURE_CORE (ARM_AEXT_V7R, ARM_EXT2_V6T2_V8M)
315 #define ARM_ARCH_V7M	 ARM_FEATURE_CORE (ARM_AEXT_V7M, ARM_EXT2_V6T2_V8M)
316 #define ARM_ARCH_V7EM	 ARM_FEATURE_CORE (ARM_AEXT_V7EM, ARM_EXT2_V6T2_V8M)
317 #define ARM_ARCH_V8A	 ARM_FEATURE_CORE (ARM_AEXT_V8A, ARM_AEXT2_V8A)
318 #define ARM_ARCH_V8A_CRC ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8A,	   \
319 				      CRC_EXT_ARMV8)
320 #define ARM_ARCH_V8_1A	 ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_1A,	   \
321 				      CRC_EXT_ARMV8 | FPU_NEON_EXT_RDMA)
322 #define ARM_ARCH_V8_2A	 ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_2A,	   \
323 				      CRC_EXT_ARMV8 | FPU_NEON_EXT_RDMA)
324 #define ARM_ARCH_V8_3A	 ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_3A,	   \
325 				      CRC_EXT_ARMV8 | FPU_NEON_EXT_RDMA)
326 #define ARM_ARCH_V8_4A	 ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_4A,	   \
327 				      CRC_EXT_ARMV8 | FPU_NEON_EXT_RDMA	   \
328 						    | FPU_NEON_EXT_DOTPROD)
329 #define ARM_ARCH_V8_5A	 ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_5A,	   \
330 				      CRC_EXT_ARMV8 | FPU_NEON_EXT_RDMA	   \
331 						    | FPU_NEON_EXT_DOTPROD)
332 #define ARM_ARCH_V8M_BASE      ARM_FEATURE_CORE (ARM_AEXT_V8M_BASE,	   \
333 						 ARM_AEXT2_V8M_BASE)
334 #define ARM_ARCH_V8M_MAIN      ARM_FEATURE_CORE (ARM_AEXT_V8M_MAIN,	   \
335 						 ARM_AEXT2_V8M_MAIN)
336 #define ARM_ARCH_V8M_MAIN_DSP  ARM_FEATURE_CORE (ARM_AEXT_V8M_MAIN_DSP,	   \
337 						 ARM_AEXT2_V8M_MAIN_DSP)
338 #define ARM_ARCH_V8R	       ARM_FEATURE_CORE (ARM_AEXT_V8R, ARM_AEXT2_V8R)
339 
340 /* Some useful combinations:  */
341 #define ARM_ARCH_NONE	ARM_FEATURE_LOW (0, 0)
342 #define FPU_NONE	ARM_FEATURE_LOW (0, 0)
343 #define ARM_ANY		ARM_FEATURE (-1, -1, 0)	/* Any basic core.  */
344 #define FPU_ANY		ARM_FEATURE_COPROC (-1) /* Any FPU.  */
345 #define ARM_FEATURE_ALL	ARM_FEATURE (-1, -1, -1)/* All CPU and FPU features.  */
346 #define FPU_ANY_HARD	ARM_FEATURE_COPROC (FPU_FPA | FPU_VFP_HARD | FPU_MAVERICK)
347 /* Extensions containing some Thumb-2 instructions.  If any is present, Thumb
348    ISA is Thumb-2.  */
349 #define ARM_ARCH_THUMB2 ARM_FEATURE_CORE (ARM_EXT_V6T2 | ARM_EXT_V7	\
350 					  | ARM_EXT_DIV | ARM_EXT_V8,	\
351 					  ARM_EXT2_ATOMICS | ARM_EXT2_V6T2_V8M)
352 /* v7-a+sec.  */
353 #define ARM_ARCH_V7A_SEC \
354   ARM_FEATURE_CORE (ARM_AEXT_V7A | ARM_EXT_SEC, ARM_EXT2_V6T2_V8M)
355 /* v7-a+mp+sec.  */
356 #define ARM_ARCH_V7A_MP_SEC \
357   ARM_FEATURE_CORE (ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC, ARM_EXT2_V6T2_V8M)
358 /* v7-r+idiv.  */
359 #define ARM_ARCH_V7R_IDIV \
360   ARM_FEATURE_CORE (ARM_AEXT_V7R | ARM_EXT_ADIV, ARM_EXT2_V6T2_V8M)
361 /* v8-a+fp.  */
362 #define ARM_ARCH_V8A_FP	\
363   ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8A, FPU_ARCH_VFP_ARMV8)
364 /* v8-a+simd (implies fp).  */
365 #define ARM_ARCH_V8A_SIMD \
366   ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8A, FPU_ARCH_NEON_VFP_ARMV8)
367 /* v8-a+crypto (implies simd+fp).  */
368 #define ARM_ARCH_V8A_CRYPTOV1 \
369   ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8A, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8)
370 
371 /* v8.1-a+fp.  */
372 #define ARM_ARCH_V8_1A_FP \
373   ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_1A, FPU_ARCH_VFP_ARMV8)
374 /* v8.1-a+simd (implies fp).  */
375 #define ARM_ARCH_V8_1A_SIMD \
376   ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_1A, FPU_ARCH_NEON_VFP_ARMV8_1)
377 /* v8.1-a+crypto (implies simd+fp).  */
378 #define ARM_ARCH_V8_1A_CRYPTOV1 \
379   ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_1A, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_1)
380 
381 
382 /* There are too many feature bits to fit in a single word, so use a
383    structure.  For simplicity we put all core features in array CORE
384    and everything else in the other.  All the bits in element core[0]
385    have been occupied, so new feature should use bit in element core[1]
386    and use macro ARM_FEATURE to initialize the feature set variable.  */
387 typedef struct
388 {
389   unsigned long core[2];
390   unsigned long coproc;
391 } arm_feature_set;
392 
393 /* Test whether CPU and FEAT have any features in common.  */
394 #define ARM_CPU_HAS_FEATURE(CPU,FEAT) \
395   (((CPU).core[0] & (FEAT).core[0]) != 0 \
396    || ((CPU).core[1] & (FEAT).core[1]) != 0 \
397    || ((CPU).coproc & (FEAT).coproc) != 0)
398 
399 /* Tests whether the features of A are a subset of B.  */
400 #define ARM_FSET_CPU_SUBSET(A,B) \
401   (((A).core[0] & (B).core[0]) == (A).core[0] \
402    && ((A).core[1] & (B).core[1]) == (A).core[1] \
403    && ((A).coproc & (B).coproc) == (A).coproc)
404 
405 #define ARM_CPU_IS_ANY(CPU) \
406   ((CPU).core[0] == ((arm_feature_set)ARM_ANY).core[0] \
407    && (CPU).core[1] == ((arm_feature_set)ARM_ANY).core[1])
408 
409 #define ARM_MERGE_FEATURE_SETS(TARG,F1,F2)		\
410   do							\
411     {							\
412       (TARG).core[0] = (F1).core[0] | (F2).core[0];	\
413       (TARG).core[1] = (F1).core[1] | (F2).core[1];	\
414       (TARG).coproc = (F1).coproc | (F2).coproc;	\
415     }							\
416   while (0)
417 
418 #define ARM_CLEAR_FEATURE(TARG,F1,F2)			\
419   do							\
420     {							\
421       (TARG).core[0] = (F1).core[0] &~ (F2).core[0];	\
422       (TARG).core[1] = (F1).core[1] &~ (F2).core[1];	\
423       (TARG).coproc = (F1).coproc &~ (F2).coproc;	\
424     }							\
425   while (0)
426 
427 #define ARM_FEATURE_EQUAL(T1,T2)		\
428   (   (T1).core[0] == (T2).core[0]		\
429    && (T1).core[1] == (T2).core[1]		\
430    && (T1).coproc  == (T2).coproc)
431 
432 #define ARM_FEATURE_ZERO(T)			\
433   ((T).core[0] == 0 && (T).core[1] == 0 && (T).coproc == 0)
434 
435 #define ARM_FEATURE_CORE_EQUAL(T1, T2)		\
436   ((T1).core[0] == (T2).core[0] && (T1).core[1] == (T2).core[1])
437 
438 #define ARM_FEATURE_LOW(core, coproc) {{(core), 0}, (coproc)}
439 #define ARM_FEATURE_CORE(core1, core2) {{(core1), (core2)}, 0}
440 #define ARM_FEATURE_CORE_LOW(core) {{(core), 0}, 0}
441 #define ARM_FEATURE_CORE_HIGH(core) {{0, (core)}, 0}
442 #define ARM_FEATURE_COPROC(coproc) {{0, 0}, (coproc)}
443 #define ARM_FEATURE(core1, core2, coproc) {{(core1), (core2)}, (coproc)}
444