xref: /openbmc/linux/arch/arm64/include/asm/esr.h (revision 74e6a79f)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2013 - ARM Ltd
4  * Author: Marc Zyngier <marc.zyngier@arm.com>
5  */
6 
7 #ifndef __ASM_ESR_H
8 #define __ASM_ESR_H
9 
10 #include <asm/memory.h>
11 #include <asm/sysreg.h>
12 
13 #define ESR_ELx_EC_UNKNOWN	(0x00)
14 #define ESR_ELx_EC_WFx		(0x01)
15 /* Unallocated EC: 0x02 */
16 #define ESR_ELx_EC_CP15_32	(0x03)
17 #define ESR_ELx_EC_CP15_64	(0x04)
18 #define ESR_ELx_EC_CP14_MR	(0x05)
19 #define ESR_ELx_EC_CP14_LS	(0x06)
20 #define ESR_ELx_EC_FP_ASIMD	(0x07)
21 #define ESR_ELx_EC_CP10_ID	(0x08)	/* EL2 only */
22 #define ESR_ELx_EC_PAC		(0x09)	/* EL2 and above */
23 /* Unallocated EC: 0x0A - 0x0B */
24 #define ESR_ELx_EC_CP14_64	(0x0C)
25 #define ESR_ELx_EC_BTI		(0x0D)
26 #define ESR_ELx_EC_ILL		(0x0E)
27 /* Unallocated EC: 0x0F - 0x10 */
28 #define ESR_ELx_EC_SVC32	(0x11)
29 #define ESR_ELx_EC_HVC32	(0x12)	/* EL2 only */
30 #define ESR_ELx_EC_SMC32	(0x13)	/* EL2 and above */
31 /* Unallocated EC: 0x14 */
32 #define ESR_ELx_EC_SVC64	(0x15)
33 #define ESR_ELx_EC_HVC64	(0x16)	/* EL2 and above */
34 #define ESR_ELx_EC_SMC64	(0x17)	/* EL2 and above */
35 #define ESR_ELx_EC_SYS64	(0x18)
36 #define ESR_ELx_EC_SVE		(0x19)
37 #define ESR_ELx_EC_ERET		(0x1a)	/* EL2 only */
38 /* Unallocated EC: 0x1B */
39 #define ESR_ELx_EC_FPAC		(0x1C)	/* EL1 and above */
40 #define ESR_ELx_EC_SME		(0x1D)
41 /* Unallocated EC: 0x1E */
42 #define ESR_ELx_EC_IMP_DEF	(0x1f)	/* EL3 only */
43 #define ESR_ELx_EC_IABT_LOW	(0x20)
44 #define ESR_ELx_EC_IABT_CUR	(0x21)
45 #define ESR_ELx_EC_PC_ALIGN	(0x22)
46 /* Unallocated EC: 0x23 */
47 #define ESR_ELx_EC_DABT_LOW	(0x24)
48 #define ESR_ELx_EC_DABT_CUR	(0x25)
49 #define ESR_ELx_EC_SP_ALIGN	(0x26)
50 /* Unallocated EC: 0x27 */
51 #define ESR_ELx_EC_FP_EXC32	(0x28)
52 /* Unallocated EC: 0x29 - 0x2B */
53 #define ESR_ELx_EC_FP_EXC64	(0x2C)
54 /* Unallocated EC: 0x2D - 0x2E */
55 #define ESR_ELx_EC_SERROR	(0x2F)
56 #define ESR_ELx_EC_BREAKPT_LOW	(0x30)
57 #define ESR_ELx_EC_BREAKPT_CUR	(0x31)
58 #define ESR_ELx_EC_SOFTSTP_LOW	(0x32)
59 #define ESR_ELx_EC_SOFTSTP_CUR	(0x33)
60 #define ESR_ELx_EC_WATCHPT_LOW	(0x34)
61 #define ESR_ELx_EC_WATCHPT_CUR	(0x35)
62 /* Unallocated EC: 0x36 - 0x37 */
63 #define ESR_ELx_EC_BKPT32	(0x38)
64 /* Unallocated EC: 0x39 */
65 #define ESR_ELx_EC_VECTOR32	(0x3A)	/* EL2 only */
66 /* Unallocated EC: 0x3B */
67 #define ESR_ELx_EC_BRK64	(0x3C)
68 /* Unallocated EC: 0x3D - 0x3F */
69 #define ESR_ELx_EC_MAX		(0x3F)
70 
71 #define ESR_ELx_EC_SHIFT	(26)
72 #define ESR_ELx_EC_WIDTH	(6)
73 #define ESR_ELx_EC_MASK		(UL(0x3F) << ESR_ELx_EC_SHIFT)
74 #define ESR_ELx_EC(esr)		(((esr) & ESR_ELx_EC_MASK) >> ESR_ELx_EC_SHIFT)
75 
76 #define ESR_ELx_IL_SHIFT	(25)
77 #define ESR_ELx_IL		(UL(1) << ESR_ELx_IL_SHIFT)
78 #define ESR_ELx_ISS_MASK	(ESR_ELx_IL - 1)
79 #define ESR_ELx_ISS(esr)	((esr) & ESR_ELx_ISS_MASK)
80 
81 /* ISS field definitions shared by different classes */
82 #define ESR_ELx_WNR_SHIFT	(6)
83 #define ESR_ELx_WNR		(UL(1) << ESR_ELx_WNR_SHIFT)
84 
85 /* Asynchronous Error Type */
86 #define ESR_ELx_IDS_SHIFT	(24)
87 #define ESR_ELx_IDS		(UL(1) << ESR_ELx_IDS_SHIFT)
88 #define ESR_ELx_AET_SHIFT	(10)
89 #define ESR_ELx_AET		(UL(0x7) << ESR_ELx_AET_SHIFT)
90 
91 #define ESR_ELx_AET_UC		(UL(0) << ESR_ELx_AET_SHIFT)
92 #define ESR_ELx_AET_UEU		(UL(1) << ESR_ELx_AET_SHIFT)
93 #define ESR_ELx_AET_UEO		(UL(2) << ESR_ELx_AET_SHIFT)
94 #define ESR_ELx_AET_UER		(UL(3) << ESR_ELx_AET_SHIFT)
95 #define ESR_ELx_AET_CE		(UL(6) << ESR_ELx_AET_SHIFT)
96 
97 /* Shared ISS field definitions for Data/Instruction aborts */
98 #define ESR_ELx_SET_SHIFT	(11)
99 #define ESR_ELx_SET_MASK	(UL(3) << ESR_ELx_SET_SHIFT)
100 #define ESR_ELx_FnV_SHIFT	(10)
101 #define ESR_ELx_FnV		(UL(1) << ESR_ELx_FnV_SHIFT)
102 #define ESR_ELx_EA_SHIFT	(9)
103 #define ESR_ELx_EA		(UL(1) << ESR_ELx_EA_SHIFT)
104 #define ESR_ELx_S1PTW_SHIFT	(7)
105 #define ESR_ELx_S1PTW		(UL(1) << ESR_ELx_S1PTW_SHIFT)
106 
107 /* Shared ISS fault status code(IFSC/DFSC) for Data/Instruction aborts */
108 #define ESR_ELx_FSC		(0x3F)
109 #define ESR_ELx_FSC_TYPE	(0x3C)
110 #define ESR_ELx_FSC_LEVEL	(0x03)
111 #define ESR_ELx_FSC_EXTABT	(0x10)
112 #define ESR_ELx_FSC_MTE		(0x11)
113 #define ESR_ELx_FSC_SERROR	(0x11)
114 #define ESR_ELx_FSC_ACCESS	(0x08)
115 #define ESR_ELx_FSC_FAULT	(0x04)
116 #define ESR_ELx_FSC_PERM	(0x0C)
117 #define ESR_ELx_FSC_SEA_TTW0	(0x14)
118 #define ESR_ELx_FSC_SEA_TTW1	(0x15)
119 #define ESR_ELx_FSC_SEA_TTW2	(0x16)
120 #define ESR_ELx_FSC_SEA_TTW3	(0x17)
121 #define ESR_ELx_FSC_SECC	(0x18)
122 #define ESR_ELx_FSC_SECC_TTW0	(0x1c)
123 #define ESR_ELx_FSC_SECC_TTW1	(0x1d)
124 #define ESR_ELx_FSC_SECC_TTW2	(0x1e)
125 #define ESR_ELx_FSC_SECC_TTW3	(0x1f)
126 
127 /* ISS field definitions for Data Aborts */
128 #define ESR_ELx_ISV_SHIFT	(24)
129 #define ESR_ELx_ISV		(UL(1) << ESR_ELx_ISV_SHIFT)
130 #define ESR_ELx_SAS_SHIFT	(22)
131 #define ESR_ELx_SAS		(UL(3) << ESR_ELx_SAS_SHIFT)
132 #define ESR_ELx_SSE_SHIFT	(21)
133 #define ESR_ELx_SSE		(UL(1) << ESR_ELx_SSE_SHIFT)
134 #define ESR_ELx_SRT_SHIFT	(16)
135 #define ESR_ELx_SRT_MASK	(UL(0x1F) << ESR_ELx_SRT_SHIFT)
136 #define ESR_ELx_SF_SHIFT	(15)
137 #define ESR_ELx_SF 		(UL(1) << ESR_ELx_SF_SHIFT)
138 #define ESR_ELx_AR_SHIFT	(14)
139 #define ESR_ELx_AR 		(UL(1) << ESR_ELx_AR_SHIFT)
140 #define ESR_ELx_CM_SHIFT	(8)
141 #define ESR_ELx_CM 		(UL(1) << ESR_ELx_CM_SHIFT)
142 
143 /* ISS field definitions for exceptions taken in to Hyp */
144 #define ESR_ELx_CV		(UL(1) << 24)
145 #define ESR_ELx_COND_SHIFT	(20)
146 #define ESR_ELx_COND_MASK	(UL(0xF) << ESR_ELx_COND_SHIFT)
147 #define ESR_ELx_WFx_ISS_RN	(UL(0x1F) << 5)
148 #define ESR_ELx_WFx_ISS_RV	(UL(1) << 2)
149 #define ESR_ELx_WFx_ISS_TI	(UL(3) << 0)
150 #define ESR_ELx_WFx_ISS_WFxT	(UL(2) << 0)
151 #define ESR_ELx_WFx_ISS_WFI	(UL(0) << 0)
152 #define ESR_ELx_WFx_ISS_WFE	(UL(1) << 0)
153 #define ESR_ELx_xVC_IMM_MASK	((UL(1) << 16) - 1)
154 
155 #define DISR_EL1_IDS		(UL(1) << 24)
156 /*
157  * DISR_EL1 and ESR_ELx share the bottom 13 bits, but the RES0 bits may mean
158  * different things in the future...
159  */
160 #define DISR_EL1_ESR_MASK	(ESR_ELx_AET | ESR_ELx_EA | ESR_ELx_FSC)
161 
162 /* ESR value templates for specific events */
163 #define ESR_ELx_WFx_MASK	(ESR_ELx_EC_MASK |			\
164 				 (ESR_ELx_WFx_ISS_TI & ~ESR_ELx_WFx_ISS_WFxT))
165 #define ESR_ELx_WFx_WFI_VAL	((ESR_ELx_EC_WFx << ESR_ELx_EC_SHIFT) |	\
166 				 ESR_ELx_WFx_ISS_WFI)
167 
168 /* BRK instruction trap from AArch64 state */
169 #define ESR_ELx_BRK64_ISS_COMMENT_MASK	0xffff
170 
171 /* ISS field definitions for System instruction traps */
172 #define ESR_ELx_SYS64_ISS_RES0_SHIFT	22
173 #define ESR_ELx_SYS64_ISS_RES0_MASK	(UL(0x7) << ESR_ELx_SYS64_ISS_RES0_SHIFT)
174 #define ESR_ELx_SYS64_ISS_DIR_MASK	0x1
175 #define ESR_ELx_SYS64_ISS_DIR_READ	0x1
176 #define ESR_ELx_SYS64_ISS_DIR_WRITE	0x0
177 
178 #define ESR_ELx_SYS64_ISS_RT_SHIFT	5
179 #define ESR_ELx_SYS64_ISS_RT_MASK	(UL(0x1f) << ESR_ELx_SYS64_ISS_RT_SHIFT)
180 #define ESR_ELx_SYS64_ISS_CRM_SHIFT	1
181 #define ESR_ELx_SYS64_ISS_CRM_MASK	(UL(0xf) << ESR_ELx_SYS64_ISS_CRM_SHIFT)
182 #define ESR_ELx_SYS64_ISS_CRN_SHIFT	10
183 #define ESR_ELx_SYS64_ISS_CRN_MASK	(UL(0xf) << ESR_ELx_SYS64_ISS_CRN_SHIFT)
184 #define ESR_ELx_SYS64_ISS_OP1_SHIFT	14
185 #define ESR_ELx_SYS64_ISS_OP1_MASK	(UL(0x7) << ESR_ELx_SYS64_ISS_OP1_SHIFT)
186 #define ESR_ELx_SYS64_ISS_OP2_SHIFT	17
187 #define ESR_ELx_SYS64_ISS_OP2_MASK	(UL(0x7) << ESR_ELx_SYS64_ISS_OP2_SHIFT)
188 #define ESR_ELx_SYS64_ISS_OP0_SHIFT	20
189 #define ESR_ELx_SYS64_ISS_OP0_MASK	(UL(0x3) << ESR_ELx_SYS64_ISS_OP0_SHIFT)
190 #define ESR_ELx_SYS64_ISS_SYS_MASK	(ESR_ELx_SYS64_ISS_OP0_MASK | \
191 					 ESR_ELx_SYS64_ISS_OP1_MASK | \
192 					 ESR_ELx_SYS64_ISS_OP2_MASK | \
193 					 ESR_ELx_SYS64_ISS_CRN_MASK | \
194 					 ESR_ELx_SYS64_ISS_CRM_MASK)
195 #define ESR_ELx_SYS64_ISS_SYS_VAL(op0, op1, op2, crn, crm) \
196 					(((op0) << ESR_ELx_SYS64_ISS_OP0_SHIFT) | \
197 					 ((op1) << ESR_ELx_SYS64_ISS_OP1_SHIFT) | \
198 					 ((op2) << ESR_ELx_SYS64_ISS_OP2_SHIFT) | \
199 					 ((crn) << ESR_ELx_SYS64_ISS_CRN_SHIFT) | \
200 					 ((crm) << ESR_ELx_SYS64_ISS_CRM_SHIFT))
201 
202 #define ESR_ELx_SYS64_ISS_SYS_OP_MASK	(ESR_ELx_SYS64_ISS_SYS_MASK | \
203 					 ESR_ELx_SYS64_ISS_DIR_MASK)
204 #define ESR_ELx_SYS64_ISS_RT(esr) \
205 	(((esr) & ESR_ELx_SYS64_ISS_RT_MASK) >> ESR_ELx_SYS64_ISS_RT_SHIFT)
206 /*
207  * User space cache operations have the following sysreg encoding
208  * in System instructions.
209  * op0=1, op1=3, op2=1, crn=7, crm={ 5, 10, 11, 12, 13, 14 }, WRITE (L=0)
210  */
211 #define ESR_ELx_SYS64_ISS_CRM_DC_CIVAC	14
212 #define ESR_ELx_SYS64_ISS_CRM_DC_CVADP	13
213 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAP	12
214 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAU	11
215 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAC	10
216 #define ESR_ELx_SYS64_ISS_CRM_IC_IVAU	5
217 
218 #define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_MASK	(ESR_ELx_SYS64_ISS_OP0_MASK | \
219 						 ESR_ELx_SYS64_ISS_OP1_MASK | \
220 						 ESR_ELx_SYS64_ISS_OP2_MASK | \
221 						 ESR_ELx_SYS64_ISS_CRN_MASK | \
222 						 ESR_ELx_SYS64_ISS_DIR_MASK)
223 #define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_VAL \
224 				(ESR_ELx_SYS64_ISS_SYS_VAL(1, 3, 1, 7, 0) | \
225 				 ESR_ELx_SYS64_ISS_DIR_WRITE)
226 /*
227  * User space MRS operations which are supported for emulation
228  * have the following sysreg encoding in System instructions.
229  * op0 = 3, op1= 0, crn = 0, {crm = 0, 4-7}, READ (L = 1)
230  */
231 #define ESR_ELx_SYS64_ISS_SYS_MRS_OP_MASK	(ESR_ELx_SYS64_ISS_OP0_MASK | \
232 						 ESR_ELx_SYS64_ISS_OP1_MASK | \
233 						 ESR_ELx_SYS64_ISS_CRN_MASK | \
234 						 ESR_ELx_SYS64_ISS_DIR_MASK)
235 #define ESR_ELx_SYS64_ISS_SYS_MRS_OP_VAL \
236 				(ESR_ELx_SYS64_ISS_SYS_VAL(3, 0, 0, 0, 0) | \
237 				 ESR_ELx_SYS64_ISS_DIR_READ)
238 
239 #define ESR_ELx_SYS64_ISS_SYS_CTR	ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 1, 0, 0)
240 #define ESR_ELx_SYS64_ISS_SYS_CTR_READ	(ESR_ELx_SYS64_ISS_SYS_CTR | \
241 					 ESR_ELx_SYS64_ISS_DIR_READ)
242 
243 #define ESR_ELx_SYS64_ISS_SYS_CNTVCT	(ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 2, 14, 0) | \
244 					 ESR_ELx_SYS64_ISS_DIR_READ)
245 
246 #define ESR_ELx_SYS64_ISS_SYS_CNTVCTSS	(ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 6, 14, 0) | \
247 					 ESR_ELx_SYS64_ISS_DIR_READ)
248 
249 #define ESR_ELx_SYS64_ISS_SYS_CNTFRQ	(ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 0, 14, 0) | \
250 					 ESR_ELx_SYS64_ISS_DIR_READ)
251 
252 #define esr_sys64_to_sysreg(e)					\
253 	sys_reg((((e) & ESR_ELx_SYS64_ISS_OP0_MASK) >>		\
254 		 ESR_ELx_SYS64_ISS_OP0_SHIFT),			\
255 		(((e) & ESR_ELx_SYS64_ISS_OP1_MASK) >>		\
256 		 ESR_ELx_SYS64_ISS_OP1_SHIFT),			\
257 		(((e) & ESR_ELx_SYS64_ISS_CRN_MASK) >>		\
258 		 ESR_ELx_SYS64_ISS_CRN_SHIFT),			\
259 		(((e) & ESR_ELx_SYS64_ISS_CRM_MASK) >>		\
260 		 ESR_ELx_SYS64_ISS_CRM_SHIFT),			\
261 		(((e) & ESR_ELx_SYS64_ISS_OP2_MASK) >>		\
262 		 ESR_ELx_SYS64_ISS_OP2_SHIFT))
263 
264 #define esr_cp15_to_sysreg(e)					\
265 	sys_reg(3,						\
266 		(((e) & ESR_ELx_SYS64_ISS_OP1_MASK) >>		\
267 		 ESR_ELx_SYS64_ISS_OP1_SHIFT),			\
268 		(((e) & ESR_ELx_SYS64_ISS_CRN_MASK) >>		\
269 		 ESR_ELx_SYS64_ISS_CRN_SHIFT),			\
270 		(((e) & ESR_ELx_SYS64_ISS_CRM_MASK) >>		\
271 		 ESR_ELx_SYS64_ISS_CRM_SHIFT),			\
272 		(((e) & ESR_ELx_SYS64_ISS_OP2_MASK) >>		\
273 		 ESR_ELx_SYS64_ISS_OP2_SHIFT))
274 
275 /* ISS field definitions for ERET/ERETAA/ERETAB trapping */
276 #define ESR_ELx_ERET_ISS_ERET		0x2
277 #define ESR_ELx_ERET_ISS_ERETA		0x1
278 
279 /*
280  * ISS field definitions for floating-point exception traps
281  * (FP_EXC_32/FP_EXC_64).
282  *
283  * (The FPEXC_* constants are used instead for common bits.)
284  */
285 
286 #define ESR_ELx_FP_EXC_TFV	(UL(1) << 23)
287 
288 /*
289  * ISS field definitions for CP15 accesses
290  */
291 #define ESR_ELx_CP15_32_ISS_DIR_MASK	0x1
292 #define ESR_ELx_CP15_32_ISS_DIR_READ	0x1
293 #define ESR_ELx_CP15_32_ISS_DIR_WRITE	0x0
294 
295 #define ESR_ELx_CP15_32_ISS_RT_SHIFT	5
296 #define ESR_ELx_CP15_32_ISS_RT_MASK	(UL(0x1f) << ESR_ELx_CP15_32_ISS_RT_SHIFT)
297 #define ESR_ELx_CP15_32_ISS_CRM_SHIFT	1
298 #define ESR_ELx_CP15_32_ISS_CRM_MASK	(UL(0xf) << ESR_ELx_CP15_32_ISS_CRM_SHIFT)
299 #define ESR_ELx_CP15_32_ISS_CRN_SHIFT	10
300 #define ESR_ELx_CP15_32_ISS_CRN_MASK	(UL(0xf) << ESR_ELx_CP15_32_ISS_CRN_SHIFT)
301 #define ESR_ELx_CP15_32_ISS_OP1_SHIFT	14
302 #define ESR_ELx_CP15_32_ISS_OP1_MASK	(UL(0x7) << ESR_ELx_CP15_32_ISS_OP1_SHIFT)
303 #define ESR_ELx_CP15_32_ISS_OP2_SHIFT	17
304 #define ESR_ELx_CP15_32_ISS_OP2_MASK	(UL(0x7) << ESR_ELx_CP15_32_ISS_OP2_SHIFT)
305 
306 #define ESR_ELx_CP15_32_ISS_SYS_MASK	(ESR_ELx_CP15_32_ISS_OP1_MASK | \
307 					 ESR_ELx_CP15_32_ISS_OP2_MASK | \
308 					 ESR_ELx_CP15_32_ISS_CRN_MASK | \
309 					 ESR_ELx_CP15_32_ISS_CRM_MASK | \
310 					 ESR_ELx_CP15_32_ISS_DIR_MASK)
311 #define ESR_ELx_CP15_32_ISS_SYS_VAL(op1, op2, crn, crm) \
312 					(((op1) << ESR_ELx_CP15_32_ISS_OP1_SHIFT) | \
313 					 ((op2) << ESR_ELx_CP15_32_ISS_OP2_SHIFT) | \
314 					 ((crn) << ESR_ELx_CP15_32_ISS_CRN_SHIFT) | \
315 					 ((crm) << ESR_ELx_CP15_32_ISS_CRM_SHIFT))
316 
317 #define ESR_ELx_CP15_64_ISS_DIR_MASK	0x1
318 #define ESR_ELx_CP15_64_ISS_DIR_READ	0x1
319 #define ESR_ELx_CP15_64_ISS_DIR_WRITE	0x0
320 
321 #define ESR_ELx_CP15_64_ISS_RT_SHIFT	5
322 #define ESR_ELx_CP15_64_ISS_RT_MASK	(UL(0x1f) << ESR_ELx_CP15_64_ISS_RT_SHIFT)
323 
324 #define ESR_ELx_CP15_64_ISS_RT2_SHIFT	10
325 #define ESR_ELx_CP15_64_ISS_RT2_MASK	(UL(0x1f) << ESR_ELx_CP15_64_ISS_RT2_SHIFT)
326 
327 #define ESR_ELx_CP15_64_ISS_OP1_SHIFT	16
328 #define ESR_ELx_CP15_64_ISS_OP1_MASK	(UL(0xf) << ESR_ELx_CP15_64_ISS_OP1_SHIFT)
329 #define ESR_ELx_CP15_64_ISS_CRM_SHIFT	1
330 #define ESR_ELx_CP15_64_ISS_CRM_MASK	(UL(0xf) << ESR_ELx_CP15_64_ISS_CRM_SHIFT)
331 
332 #define ESR_ELx_CP15_64_ISS_SYS_VAL(op1, crm) \
333 					(((op1) << ESR_ELx_CP15_64_ISS_OP1_SHIFT) | \
334 					 ((crm) << ESR_ELx_CP15_64_ISS_CRM_SHIFT))
335 
336 #define ESR_ELx_CP15_64_ISS_SYS_MASK	(ESR_ELx_CP15_64_ISS_OP1_MASK |	\
337 					 ESR_ELx_CP15_64_ISS_CRM_MASK | \
338 					 ESR_ELx_CP15_64_ISS_DIR_MASK)
339 
340 #define ESR_ELx_CP15_64_ISS_SYS_CNTVCT	(ESR_ELx_CP15_64_ISS_SYS_VAL(1, 14) | \
341 					 ESR_ELx_CP15_64_ISS_DIR_READ)
342 
343 #define ESR_ELx_CP15_64_ISS_SYS_CNTVCTSS (ESR_ELx_CP15_64_ISS_SYS_VAL(9, 14) | \
344 					 ESR_ELx_CP15_64_ISS_DIR_READ)
345 
346 #define ESR_ELx_CP15_32_ISS_SYS_CNTFRQ	(ESR_ELx_CP15_32_ISS_SYS_VAL(0, 0, 14, 0) |\
347 					 ESR_ELx_CP15_32_ISS_DIR_READ)
348 
349 /*
350  * ISS values for SME traps
351  */
352 
353 #define ESR_ELx_SME_ISS_SME_DISABLED	0
354 #define ESR_ELx_SME_ISS_ILL		1
355 #define ESR_ELx_SME_ISS_SM_DISABLED	2
356 #define ESR_ELx_SME_ISS_ZA_DISABLED	3
357 #define ESR_ELx_SME_ISS_ZT_DISABLED	4
358 
359 #ifndef __ASSEMBLY__
360 #include <asm/types.h>
361 
362 static inline bool esr_is_data_abort(unsigned long esr)
363 {
364 	const unsigned long ec = ESR_ELx_EC(esr);
365 
366 	return ec == ESR_ELx_EC_DABT_LOW || ec == ESR_ELx_EC_DABT_CUR;
367 }
368 
369 const char *esr_get_class_string(unsigned long esr);
370 #endif /* __ASSEMBLY */
371 
372 #endif /* __ASM_ESR_H */
373