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 #define ESR_ELx_EC_MOPS (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 (GENMASK(24, 0)) 79 #define ESR_ELx_ISS(esr) ((esr) & ESR_ELx_ISS_MASK) 80 #define ESR_ELx_ISS2_SHIFT (32) 81 #define ESR_ELx_ISS2_MASK (GENMASK_ULL(55, 32)) 82 #define ESR_ELx_ISS2(esr) (((esr) & ESR_ELx_ISS2_MASK) >> ESR_ELx_ISS2_SHIFT) 83 84 /* ISS field definitions shared by different classes */ 85 #define ESR_ELx_WNR_SHIFT (6) 86 #define ESR_ELx_WNR (UL(1) << ESR_ELx_WNR_SHIFT) 87 88 /* Asynchronous Error Type */ 89 #define ESR_ELx_IDS_SHIFT (24) 90 #define ESR_ELx_IDS (UL(1) << ESR_ELx_IDS_SHIFT) 91 #define ESR_ELx_AET_SHIFT (10) 92 #define ESR_ELx_AET (UL(0x7) << ESR_ELx_AET_SHIFT) 93 94 #define ESR_ELx_AET_UC (UL(0) << ESR_ELx_AET_SHIFT) 95 #define ESR_ELx_AET_UEU (UL(1) << ESR_ELx_AET_SHIFT) 96 #define ESR_ELx_AET_UEO (UL(2) << ESR_ELx_AET_SHIFT) 97 #define ESR_ELx_AET_UER (UL(3) << ESR_ELx_AET_SHIFT) 98 #define ESR_ELx_AET_CE (UL(6) << ESR_ELx_AET_SHIFT) 99 100 /* Shared ISS field definitions for Data/Instruction aborts */ 101 #define ESR_ELx_SET_SHIFT (11) 102 #define ESR_ELx_SET_MASK (UL(3) << ESR_ELx_SET_SHIFT) 103 #define ESR_ELx_FnV_SHIFT (10) 104 #define ESR_ELx_FnV (UL(1) << ESR_ELx_FnV_SHIFT) 105 #define ESR_ELx_EA_SHIFT (9) 106 #define ESR_ELx_EA (UL(1) << ESR_ELx_EA_SHIFT) 107 #define ESR_ELx_S1PTW_SHIFT (7) 108 #define ESR_ELx_S1PTW (UL(1) << ESR_ELx_S1PTW_SHIFT) 109 110 /* Shared ISS fault status code(IFSC/DFSC) for Data/Instruction aborts */ 111 #define ESR_ELx_FSC (0x3F) 112 #define ESR_ELx_FSC_TYPE (0x3C) 113 #define ESR_ELx_FSC_LEVEL (0x03) 114 #define ESR_ELx_FSC_EXTABT (0x10) 115 #define ESR_ELx_FSC_MTE (0x11) 116 #define ESR_ELx_FSC_SERROR (0x11) 117 #define ESR_ELx_FSC_ACCESS (0x08) 118 #define ESR_ELx_FSC_FAULT (0x04) 119 #define ESR_ELx_FSC_PERM (0x0C) 120 #define ESR_ELx_FSC_SEA_TTW(n) (0x14 + (n)) 121 #define ESR_ELx_FSC_SECC (0x18) 122 #define ESR_ELx_FSC_SECC_TTW(n) (0x1c + (n)) 123 124 /* ISS field definitions for Data Aborts */ 125 #define ESR_ELx_ISV_SHIFT (24) 126 #define ESR_ELx_ISV (UL(1) << ESR_ELx_ISV_SHIFT) 127 #define ESR_ELx_SAS_SHIFT (22) 128 #define ESR_ELx_SAS (UL(3) << ESR_ELx_SAS_SHIFT) 129 #define ESR_ELx_SSE_SHIFT (21) 130 #define ESR_ELx_SSE (UL(1) << ESR_ELx_SSE_SHIFT) 131 #define ESR_ELx_SRT_SHIFT (16) 132 #define ESR_ELx_SRT_MASK (UL(0x1F) << ESR_ELx_SRT_SHIFT) 133 #define ESR_ELx_SF_SHIFT (15) 134 #define ESR_ELx_SF (UL(1) << ESR_ELx_SF_SHIFT) 135 #define ESR_ELx_AR_SHIFT (14) 136 #define ESR_ELx_AR (UL(1) << ESR_ELx_AR_SHIFT) 137 #define ESR_ELx_CM_SHIFT (8) 138 #define ESR_ELx_CM (UL(1) << ESR_ELx_CM_SHIFT) 139 140 /* ISS2 field definitions for Data Aborts */ 141 #define ESR_ELx_TnD_SHIFT (10) 142 #define ESR_ELx_TnD (UL(1) << ESR_ELx_TnD_SHIFT) 143 #define ESR_ELx_TagAccess_SHIFT (9) 144 #define ESR_ELx_TagAccess (UL(1) << ESR_ELx_TagAccess_SHIFT) 145 #define ESR_ELx_GCS_SHIFT (8) 146 #define ESR_ELx_GCS (UL(1) << ESR_ELx_GCS_SHIFT) 147 #define ESR_ELx_Overlay_SHIFT (6) 148 #define ESR_ELx_Overlay (UL(1) << ESR_ELx_Overlay_SHIFT) 149 #define ESR_ELx_DirtyBit_SHIFT (5) 150 #define ESR_ELx_DirtyBit (UL(1) << ESR_ELx_DirtyBit_SHIFT) 151 #define ESR_ELx_Xs_SHIFT (0) 152 #define ESR_ELx_Xs_MASK (GENMASK_ULL(4, 0)) 153 154 /* ISS field definitions for exceptions taken in to Hyp */ 155 #define ESR_ELx_FSC_ADDRSZ (0x00) 156 #define ESR_ELx_CV (UL(1) << 24) 157 #define ESR_ELx_COND_SHIFT (20) 158 #define ESR_ELx_COND_MASK (UL(0xF) << ESR_ELx_COND_SHIFT) 159 #define ESR_ELx_WFx_ISS_RN (UL(0x1F) << 5) 160 #define ESR_ELx_WFx_ISS_RV (UL(1) << 2) 161 #define ESR_ELx_WFx_ISS_TI (UL(3) << 0) 162 #define ESR_ELx_WFx_ISS_WFxT (UL(2) << 0) 163 #define ESR_ELx_WFx_ISS_WFI (UL(0) << 0) 164 #define ESR_ELx_WFx_ISS_WFE (UL(1) << 0) 165 #define ESR_ELx_xVC_IMM_MASK ((UL(1) << 16) - 1) 166 167 #define DISR_EL1_IDS (UL(1) << 24) 168 /* 169 * DISR_EL1 and ESR_ELx share the bottom 13 bits, but the RES0 bits may mean 170 * different things in the future... 171 */ 172 #define DISR_EL1_ESR_MASK (ESR_ELx_AET | ESR_ELx_EA | ESR_ELx_FSC) 173 174 /* ESR value templates for specific events */ 175 #define ESR_ELx_WFx_MASK (ESR_ELx_EC_MASK | \ 176 (ESR_ELx_WFx_ISS_TI & ~ESR_ELx_WFx_ISS_WFxT)) 177 #define ESR_ELx_WFx_WFI_VAL ((ESR_ELx_EC_WFx << ESR_ELx_EC_SHIFT) | \ 178 ESR_ELx_WFx_ISS_WFI) 179 180 /* BRK instruction trap from AArch64 state */ 181 #define ESR_ELx_BRK64_ISS_COMMENT_MASK 0xffff 182 183 /* ISS field definitions for System instruction traps */ 184 #define ESR_ELx_SYS64_ISS_RES0_SHIFT 22 185 #define ESR_ELx_SYS64_ISS_RES0_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_RES0_SHIFT) 186 #define ESR_ELx_SYS64_ISS_DIR_MASK 0x1 187 #define ESR_ELx_SYS64_ISS_DIR_READ 0x1 188 #define ESR_ELx_SYS64_ISS_DIR_WRITE 0x0 189 190 #define ESR_ELx_SYS64_ISS_RT_SHIFT 5 191 #define ESR_ELx_SYS64_ISS_RT_MASK (UL(0x1f) << ESR_ELx_SYS64_ISS_RT_SHIFT) 192 #define ESR_ELx_SYS64_ISS_CRM_SHIFT 1 193 #define ESR_ELx_SYS64_ISS_CRM_MASK (UL(0xf) << ESR_ELx_SYS64_ISS_CRM_SHIFT) 194 #define ESR_ELx_SYS64_ISS_CRN_SHIFT 10 195 #define ESR_ELx_SYS64_ISS_CRN_MASK (UL(0xf) << ESR_ELx_SYS64_ISS_CRN_SHIFT) 196 #define ESR_ELx_SYS64_ISS_OP1_SHIFT 14 197 #define ESR_ELx_SYS64_ISS_OP1_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_OP1_SHIFT) 198 #define ESR_ELx_SYS64_ISS_OP2_SHIFT 17 199 #define ESR_ELx_SYS64_ISS_OP2_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_OP2_SHIFT) 200 #define ESR_ELx_SYS64_ISS_OP0_SHIFT 20 201 #define ESR_ELx_SYS64_ISS_OP0_MASK (UL(0x3) << ESR_ELx_SYS64_ISS_OP0_SHIFT) 202 #define ESR_ELx_SYS64_ISS_SYS_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ 203 ESR_ELx_SYS64_ISS_OP1_MASK | \ 204 ESR_ELx_SYS64_ISS_OP2_MASK | \ 205 ESR_ELx_SYS64_ISS_CRN_MASK | \ 206 ESR_ELx_SYS64_ISS_CRM_MASK) 207 #define ESR_ELx_SYS64_ISS_SYS_VAL(op0, op1, op2, crn, crm) \ 208 (((op0) << ESR_ELx_SYS64_ISS_OP0_SHIFT) | \ 209 ((op1) << ESR_ELx_SYS64_ISS_OP1_SHIFT) | \ 210 ((op2) << ESR_ELx_SYS64_ISS_OP2_SHIFT) | \ 211 ((crn) << ESR_ELx_SYS64_ISS_CRN_SHIFT) | \ 212 ((crm) << ESR_ELx_SYS64_ISS_CRM_SHIFT)) 213 214 #define ESR_ELx_SYS64_ISS_SYS_OP_MASK (ESR_ELx_SYS64_ISS_SYS_MASK | \ 215 ESR_ELx_SYS64_ISS_DIR_MASK) 216 #define ESR_ELx_SYS64_ISS_RT(esr) \ 217 (((esr) & ESR_ELx_SYS64_ISS_RT_MASK) >> ESR_ELx_SYS64_ISS_RT_SHIFT) 218 /* 219 * User space cache operations have the following sysreg encoding 220 * in System instructions. 221 * op0=1, op1=3, op2=1, crn=7, crm={ 5, 10, 11, 12, 13, 14 }, WRITE (L=0) 222 */ 223 #define ESR_ELx_SYS64_ISS_CRM_DC_CIVAC 14 224 #define ESR_ELx_SYS64_ISS_CRM_DC_CVADP 13 225 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAP 12 226 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAU 11 227 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAC 10 228 #define ESR_ELx_SYS64_ISS_CRM_IC_IVAU 5 229 230 #define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ 231 ESR_ELx_SYS64_ISS_OP1_MASK | \ 232 ESR_ELx_SYS64_ISS_OP2_MASK | \ 233 ESR_ELx_SYS64_ISS_CRN_MASK | \ 234 ESR_ELx_SYS64_ISS_DIR_MASK) 235 #define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_VAL \ 236 (ESR_ELx_SYS64_ISS_SYS_VAL(1, 3, 1, 7, 0) | \ 237 ESR_ELx_SYS64_ISS_DIR_WRITE) 238 /* 239 * User space MRS operations which are supported for emulation 240 * have the following sysreg encoding in System instructions. 241 * op0 = 3, op1= 0, crn = 0, {crm = 0, 4-7}, READ (L = 1) 242 */ 243 #define ESR_ELx_SYS64_ISS_SYS_MRS_OP_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ 244 ESR_ELx_SYS64_ISS_OP1_MASK | \ 245 ESR_ELx_SYS64_ISS_CRN_MASK | \ 246 ESR_ELx_SYS64_ISS_DIR_MASK) 247 #define ESR_ELx_SYS64_ISS_SYS_MRS_OP_VAL \ 248 (ESR_ELx_SYS64_ISS_SYS_VAL(3, 0, 0, 0, 0) | \ 249 ESR_ELx_SYS64_ISS_DIR_READ) 250 251 #define ESR_ELx_SYS64_ISS_SYS_CTR ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 1, 0, 0) 252 #define ESR_ELx_SYS64_ISS_SYS_CTR_READ (ESR_ELx_SYS64_ISS_SYS_CTR | \ 253 ESR_ELx_SYS64_ISS_DIR_READ) 254 255 #define ESR_ELx_SYS64_ISS_SYS_CNTVCT (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 2, 14, 0) | \ 256 ESR_ELx_SYS64_ISS_DIR_READ) 257 258 #define ESR_ELx_SYS64_ISS_SYS_CNTVCTSS (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 6, 14, 0) | \ 259 ESR_ELx_SYS64_ISS_DIR_READ) 260 261 #define ESR_ELx_SYS64_ISS_SYS_CNTFRQ (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 0, 14, 0) | \ 262 ESR_ELx_SYS64_ISS_DIR_READ) 263 264 #define esr_sys64_to_sysreg(e) \ 265 sys_reg((((e) & ESR_ELx_SYS64_ISS_OP0_MASK) >> \ 266 ESR_ELx_SYS64_ISS_OP0_SHIFT), \ 267 (((e) & ESR_ELx_SYS64_ISS_OP1_MASK) >> \ 268 ESR_ELx_SYS64_ISS_OP1_SHIFT), \ 269 (((e) & ESR_ELx_SYS64_ISS_CRN_MASK) >> \ 270 ESR_ELx_SYS64_ISS_CRN_SHIFT), \ 271 (((e) & ESR_ELx_SYS64_ISS_CRM_MASK) >> \ 272 ESR_ELx_SYS64_ISS_CRM_SHIFT), \ 273 (((e) & ESR_ELx_SYS64_ISS_OP2_MASK) >> \ 274 ESR_ELx_SYS64_ISS_OP2_SHIFT)) 275 276 #define esr_cp15_to_sysreg(e) \ 277 sys_reg(3, \ 278 (((e) & ESR_ELx_SYS64_ISS_OP1_MASK) >> \ 279 ESR_ELx_SYS64_ISS_OP1_SHIFT), \ 280 (((e) & ESR_ELx_SYS64_ISS_CRN_MASK) >> \ 281 ESR_ELx_SYS64_ISS_CRN_SHIFT), \ 282 (((e) & ESR_ELx_SYS64_ISS_CRM_MASK) >> \ 283 ESR_ELx_SYS64_ISS_CRM_SHIFT), \ 284 (((e) & ESR_ELx_SYS64_ISS_OP2_MASK) >> \ 285 ESR_ELx_SYS64_ISS_OP2_SHIFT)) 286 287 /* ISS field definitions for ERET/ERETAA/ERETAB trapping */ 288 #define ESR_ELx_ERET_ISS_ERET 0x2 289 #define ESR_ELx_ERET_ISS_ERETA 0x1 290 291 /* 292 * ISS field definitions for floating-point exception traps 293 * (FP_EXC_32/FP_EXC_64). 294 * 295 * (The FPEXC_* constants are used instead for common bits.) 296 */ 297 298 #define ESR_ELx_FP_EXC_TFV (UL(1) << 23) 299 300 /* 301 * ISS field definitions for CP15 accesses 302 */ 303 #define ESR_ELx_CP15_32_ISS_DIR_MASK 0x1 304 #define ESR_ELx_CP15_32_ISS_DIR_READ 0x1 305 #define ESR_ELx_CP15_32_ISS_DIR_WRITE 0x0 306 307 #define ESR_ELx_CP15_32_ISS_RT_SHIFT 5 308 #define ESR_ELx_CP15_32_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_32_ISS_RT_SHIFT) 309 #define ESR_ELx_CP15_32_ISS_CRM_SHIFT 1 310 #define ESR_ELx_CP15_32_ISS_CRM_MASK (UL(0xf) << ESR_ELx_CP15_32_ISS_CRM_SHIFT) 311 #define ESR_ELx_CP15_32_ISS_CRN_SHIFT 10 312 #define ESR_ELx_CP15_32_ISS_CRN_MASK (UL(0xf) << ESR_ELx_CP15_32_ISS_CRN_SHIFT) 313 #define ESR_ELx_CP15_32_ISS_OP1_SHIFT 14 314 #define ESR_ELx_CP15_32_ISS_OP1_MASK (UL(0x7) << ESR_ELx_CP15_32_ISS_OP1_SHIFT) 315 #define ESR_ELx_CP15_32_ISS_OP2_SHIFT 17 316 #define ESR_ELx_CP15_32_ISS_OP2_MASK (UL(0x7) << ESR_ELx_CP15_32_ISS_OP2_SHIFT) 317 318 #define ESR_ELx_CP15_32_ISS_SYS_MASK (ESR_ELx_CP15_32_ISS_OP1_MASK | \ 319 ESR_ELx_CP15_32_ISS_OP2_MASK | \ 320 ESR_ELx_CP15_32_ISS_CRN_MASK | \ 321 ESR_ELx_CP15_32_ISS_CRM_MASK | \ 322 ESR_ELx_CP15_32_ISS_DIR_MASK) 323 #define ESR_ELx_CP15_32_ISS_SYS_VAL(op1, op2, crn, crm) \ 324 (((op1) << ESR_ELx_CP15_32_ISS_OP1_SHIFT) | \ 325 ((op2) << ESR_ELx_CP15_32_ISS_OP2_SHIFT) | \ 326 ((crn) << ESR_ELx_CP15_32_ISS_CRN_SHIFT) | \ 327 ((crm) << ESR_ELx_CP15_32_ISS_CRM_SHIFT)) 328 329 #define ESR_ELx_CP15_64_ISS_DIR_MASK 0x1 330 #define ESR_ELx_CP15_64_ISS_DIR_READ 0x1 331 #define ESR_ELx_CP15_64_ISS_DIR_WRITE 0x0 332 333 #define ESR_ELx_CP15_64_ISS_RT_SHIFT 5 334 #define ESR_ELx_CP15_64_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_64_ISS_RT_SHIFT) 335 336 #define ESR_ELx_CP15_64_ISS_RT2_SHIFT 10 337 #define ESR_ELx_CP15_64_ISS_RT2_MASK (UL(0x1f) << ESR_ELx_CP15_64_ISS_RT2_SHIFT) 338 339 #define ESR_ELx_CP15_64_ISS_OP1_SHIFT 16 340 #define ESR_ELx_CP15_64_ISS_OP1_MASK (UL(0xf) << ESR_ELx_CP15_64_ISS_OP1_SHIFT) 341 #define ESR_ELx_CP15_64_ISS_CRM_SHIFT 1 342 #define ESR_ELx_CP15_64_ISS_CRM_MASK (UL(0xf) << ESR_ELx_CP15_64_ISS_CRM_SHIFT) 343 344 #define ESR_ELx_CP15_64_ISS_SYS_VAL(op1, crm) \ 345 (((op1) << ESR_ELx_CP15_64_ISS_OP1_SHIFT) | \ 346 ((crm) << ESR_ELx_CP15_64_ISS_CRM_SHIFT)) 347 348 #define ESR_ELx_CP15_64_ISS_SYS_MASK (ESR_ELx_CP15_64_ISS_OP1_MASK | \ 349 ESR_ELx_CP15_64_ISS_CRM_MASK | \ 350 ESR_ELx_CP15_64_ISS_DIR_MASK) 351 352 #define ESR_ELx_CP15_64_ISS_SYS_CNTVCT (ESR_ELx_CP15_64_ISS_SYS_VAL(1, 14) | \ 353 ESR_ELx_CP15_64_ISS_DIR_READ) 354 355 #define ESR_ELx_CP15_64_ISS_SYS_CNTVCTSS (ESR_ELx_CP15_64_ISS_SYS_VAL(9, 14) | \ 356 ESR_ELx_CP15_64_ISS_DIR_READ) 357 358 #define ESR_ELx_CP15_32_ISS_SYS_CNTFRQ (ESR_ELx_CP15_32_ISS_SYS_VAL(0, 0, 14, 0) |\ 359 ESR_ELx_CP15_32_ISS_DIR_READ) 360 361 /* 362 * ISS values for SME traps 363 */ 364 365 #define ESR_ELx_SME_ISS_SME_DISABLED 0 366 #define ESR_ELx_SME_ISS_ILL 1 367 #define ESR_ELx_SME_ISS_SM_DISABLED 2 368 #define ESR_ELx_SME_ISS_ZA_DISABLED 3 369 #define ESR_ELx_SME_ISS_ZT_DISABLED 4 370 371 /* ISS field definitions for MOPS exceptions */ 372 #define ESR_ELx_MOPS_ISS_MEM_INST (UL(1) << 24) 373 #define ESR_ELx_MOPS_ISS_FROM_EPILOGUE (UL(1) << 18) 374 #define ESR_ELx_MOPS_ISS_WRONG_OPTION (UL(1) << 17) 375 #define ESR_ELx_MOPS_ISS_OPTION_A (UL(1) << 16) 376 #define ESR_ELx_MOPS_ISS_DESTREG(esr) (((esr) & (UL(0x1f) << 10)) >> 10) 377 #define ESR_ELx_MOPS_ISS_SRCREG(esr) (((esr) & (UL(0x1f) << 5)) >> 5) 378 #define ESR_ELx_MOPS_ISS_SIZEREG(esr) (((esr) & (UL(0x1f) << 0)) >> 0) 379 380 #ifndef __ASSEMBLY__ 381 #include <asm/types.h> 382 383 static inline unsigned long esr_brk_comment(unsigned long esr) 384 { 385 return esr & ESR_ELx_BRK64_ISS_COMMENT_MASK; 386 } 387 388 static inline bool esr_is_data_abort(unsigned long esr) 389 { 390 const unsigned long ec = ESR_ELx_EC(esr); 391 392 return ec == ESR_ELx_EC_DABT_LOW || ec == ESR_ELx_EC_DABT_CUR; 393 } 394 395 static inline bool esr_is_cfi_brk(unsigned long esr) 396 { 397 return ESR_ELx_EC(esr) == ESR_ELx_EC_BRK64 && 398 (esr_brk_comment(esr) & ~CFI_BRK_IMM_MASK) == CFI_BRK_IMM_BASE; 399 } 400 401 static inline bool esr_fsc_is_translation_fault(unsigned long esr) 402 { 403 /* Translation fault, level -1 */ 404 if ((esr & ESR_ELx_FSC) == 0b101011) 405 return true; 406 return (esr & ESR_ELx_FSC_TYPE) == ESR_ELx_FSC_FAULT; 407 } 408 409 static inline bool esr_fsc_is_permission_fault(unsigned long esr) 410 { 411 return (esr & ESR_ELx_FSC_TYPE) == ESR_ELx_FSC_PERM; 412 } 413 414 static inline bool esr_fsc_is_access_flag_fault(unsigned long esr) 415 { 416 return (esr & ESR_ELx_FSC_TYPE) == ESR_ELx_FSC_ACCESS; 417 } 418 419 /* Indicate whether ESR.EC==0x1A is for an ERETAx instruction */ 420 static inline bool esr_iss_is_eretax(unsigned long esr) 421 { 422 return esr & ESR_ELx_ERET_ISS_ERET; 423 } 424 425 /* Indicate which key is used for ERETAx (false: A-Key, true: B-Key) */ 426 static inline bool esr_iss_is_eretab(unsigned long esr) 427 { 428 return esr & ESR_ELx_ERET_ISS_ERETA; 429 } 430 431 const char *esr_get_class_string(unsigned long esr); 432 #endif /* __ASSEMBLY */ 433 434 #endif /* __ASM_ESR_H */ 435