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 /* Status codes for individual page table levels */ 125 #define ESR_ELx_FSC_ACCESS_L(n) (ESR_ELx_FSC_ACCESS + n) 126 #define ESR_ELx_FSC_PERM_L(n) (ESR_ELx_FSC_PERM + n) 127 128 #define ESR_ELx_FSC_FAULT_nL (0x2C) 129 #define ESR_ELx_FSC_FAULT_L(n) (((n) < 0 ? ESR_ELx_FSC_FAULT_nL : \ 130 ESR_ELx_FSC_FAULT) + (n)) 131 132 /* ISS field definitions for Data Aborts */ 133 #define ESR_ELx_ISV_SHIFT (24) 134 #define ESR_ELx_ISV (UL(1) << ESR_ELx_ISV_SHIFT) 135 #define ESR_ELx_SAS_SHIFT (22) 136 #define ESR_ELx_SAS (UL(3) << ESR_ELx_SAS_SHIFT) 137 #define ESR_ELx_SSE_SHIFT (21) 138 #define ESR_ELx_SSE (UL(1) << ESR_ELx_SSE_SHIFT) 139 #define ESR_ELx_SRT_SHIFT (16) 140 #define ESR_ELx_SRT_MASK (UL(0x1F) << ESR_ELx_SRT_SHIFT) 141 #define ESR_ELx_SF_SHIFT (15) 142 #define ESR_ELx_SF (UL(1) << ESR_ELx_SF_SHIFT) 143 #define ESR_ELx_AR_SHIFT (14) 144 #define ESR_ELx_AR (UL(1) << ESR_ELx_AR_SHIFT) 145 #define ESR_ELx_CM_SHIFT (8) 146 #define ESR_ELx_CM (UL(1) << ESR_ELx_CM_SHIFT) 147 148 /* ISS2 field definitions for Data Aborts */ 149 #define ESR_ELx_TnD_SHIFT (10) 150 #define ESR_ELx_TnD (UL(1) << ESR_ELx_TnD_SHIFT) 151 #define ESR_ELx_TagAccess_SHIFT (9) 152 #define ESR_ELx_TagAccess (UL(1) << ESR_ELx_TagAccess_SHIFT) 153 #define ESR_ELx_GCS_SHIFT (8) 154 #define ESR_ELx_GCS (UL(1) << ESR_ELx_GCS_SHIFT) 155 #define ESR_ELx_Overlay_SHIFT (6) 156 #define ESR_ELx_Overlay (UL(1) << ESR_ELx_Overlay_SHIFT) 157 #define ESR_ELx_DirtyBit_SHIFT (5) 158 #define ESR_ELx_DirtyBit (UL(1) << ESR_ELx_DirtyBit_SHIFT) 159 #define ESR_ELx_Xs_SHIFT (0) 160 #define ESR_ELx_Xs_MASK (GENMASK_ULL(4, 0)) 161 162 /* ISS field definitions for exceptions taken in to Hyp */ 163 #define ESR_ELx_FSC_ADDRSZ (0x00) 164 #define ESR_ELx_CV (UL(1) << 24) 165 #define ESR_ELx_COND_SHIFT (20) 166 #define ESR_ELx_COND_MASK (UL(0xF) << ESR_ELx_COND_SHIFT) 167 #define ESR_ELx_WFx_ISS_RN (UL(0x1F) << 5) 168 #define ESR_ELx_WFx_ISS_RV (UL(1) << 2) 169 #define ESR_ELx_WFx_ISS_TI (UL(3) << 0) 170 #define ESR_ELx_WFx_ISS_WFxT (UL(2) << 0) 171 #define ESR_ELx_WFx_ISS_WFI (UL(0) << 0) 172 #define ESR_ELx_WFx_ISS_WFE (UL(1) << 0) 173 #define ESR_ELx_xVC_IMM_MASK ((UL(1) << 16) - 1) 174 175 #define DISR_EL1_IDS (UL(1) << 24) 176 /* 177 * DISR_EL1 and ESR_ELx share the bottom 13 bits, but the RES0 bits may mean 178 * different things in the future... 179 */ 180 #define DISR_EL1_ESR_MASK (ESR_ELx_AET | ESR_ELx_EA | ESR_ELx_FSC) 181 182 /* ESR value templates for specific events */ 183 #define ESR_ELx_WFx_MASK (ESR_ELx_EC_MASK | \ 184 (ESR_ELx_WFx_ISS_TI & ~ESR_ELx_WFx_ISS_WFxT)) 185 #define ESR_ELx_WFx_WFI_VAL ((ESR_ELx_EC_WFx << ESR_ELx_EC_SHIFT) | \ 186 ESR_ELx_WFx_ISS_WFI) 187 188 /* BRK instruction trap from AArch64 state */ 189 #define ESR_ELx_BRK64_ISS_COMMENT_MASK 0xffff 190 191 /* ISS field definitions for System instruction traps */ 192 #define ESR_ELx_SYS64_ISS_RES0_SHIFT 22 193 #define ESR_ELx_SYS64_ISS_RES0_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_RES0_SHIFT) 194 #define ESR_ELx_SYS64_ISS_DIR_MASK 0x1 195 #define ESR_ELx_SYS64_ISS_DIR_READ 0x1 196 #define ESR_ELx_SYS64_ISS_DIR_WRITE 0x0 197 198 #define ESR_ELx_SYS64_ISS_RT_SHIFT 5 199 #define ESR_ELx_SYS64_ISS_RT_MASK (UL(0x1f) << ESR_ELx_SYS64_ISS_RT_SHIFT) 200 #define ESR_ELx_SYS64_ISS_CRM_SHIFT 1 201 #define ESR_ELx_SYS64_ISS_CRM_MASK (UL(0xf) << ESR_ELx_SYS64_ISS_CRM_SHIFT) 202 #define ESR_ELx_SYS64_ISS_CRN_SHIFT 10 203 #define ESR_ELx_SYS64_ISS_CRN_MASK (UL(0xf) << ESR_ELx_SYS64_ISS_CRN_SHIFT) 204 #define ESR_ELx_SYS64_ISS_OP1_SHIFT 14 205 #define ESR_ELx_SYS64_ISS_OP1_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_OP1_SHIFT) 206 #define ESR_ELx_SYS64_ISS_OP2_SHIFT 17 207 #define ESR_ELx_SYS64_ISS_OP2_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_OP2_SHIFT) 208 #define ESR_ELx_SYS64_ISS_OP0_SHIFT 20 209 #define ESR_ELx_SYS64_ISS_OP0_MASK (UL(0x3) << ESR_ELx_SYS64_ISS_OP0_SHIFT) 210 #define ESR_ELx_SYS64_ISS_SYS_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ 211 ESR_ELx_SYS64_ISS_OP1_MASK | \ 212 ESR_ELx_SYS64_ISS_OP2_MASK | \ 213 ESR_ELx_SYS64_ISS_CRN_MASK | \ 214 ESR_ELx_SYS64_ISS_CRM_MASK) 215 #define ESR_ELx_SYS64_ISS_SYS_VAL(op0, op1, op2, crn, crm) \ 216 (((op0) << ESR_ELx_SYS64_ISS_OP0_SHIFT) | \ 217 ((op1) << ESR_ELx_SYS64_ISS_OP1_SHIFT) | \ 218 ((op2) << ESR_ELx_SYS64_ISS_OP2_SHIFT) | \ 219 ((crn) << ESR_ELx_SYS64_ISS_CRN_SHIFT) | \ 220 ((crm) << ESR_ELx_SYS64_ISS_CRM_SHIFT)) 221 222 #define ESR_ELx_SYS64_ISS_SYS_OP_MASK (ESR_ELx_SYS64_ISS_SYS_MASK | \ 223 ESR_ELx_SYS64_ISS_DIR_MASK) 224 #define ESR_ELx_SYS64_ISS_RT(esr) \ 225 (((esr) & ESR_ELx_SYS64_ISS_RT_MASK) >> ESR_ELx_SYS64_ISS_RT_SHIFT) 226 /* 227 * User space cache operations have the following sysreg encoding 228 * in System instructions. 229 * op0=1, op1=3, op2=1, crn=7, crm={ 5, 10, 11, 12, 13, 14 }, WRITE (L=0) 230 */ 231 #define ESR_ELx_SYS64_ISS_CRM_DC_CIVAC 14 232 #define ESR_ELx_SYS64_ISS_CRM_DC_CVADP 13 233 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAP 12 234 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAU 11 235 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAC 10 236 #define ESR_ELx_SYS64_ISS_CRM_IC_IVAU 5 237 238 #define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ 239 ESR_ELx_SYS64_ISS_OP1_MASK | \ 240 ESR_ELx_SYS64_ISS_OP2_MASK | \ 241 ESR_ELx_SYS64_ISS_CRN_MASK | \ 242 ESR_ELx_SYS64_ISS_DIR_MASK) 243 #define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_VAL \ 244 (ESR_ELx_SYS64_ISS_SYS_VAL(1, 3, 1, 7, 0) | \ 245 ESR_ELx_SYS64_ISS_DIR_WRITE) 246 /* 247 * User space MRS operations which are supported for emulation 248 * have the following sysreg encoding in System instructions. 249 * op0 = 3, op1= 0, crn = 0, {crm = 0, 4-7}, READ (L = 1) 250 */ 251 #define ESR_ELx_SYS64_ISS_SYS_MRS_OP_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ 252 ESR_ELx_SYS64_ISS_OP1_MASK | \ 253 ESR_ELx_SYS64_ISS_CRN_MASK | \ 254 ESR_ELx_SYS64_ISS_DIR_MASK) 255 #define ESR_ELx_SYS64_ISS_SYS_MRS_OP_VAL \ 256 (ESR_ELx_SYS64_ISS_SYS_VAL(3, 0, 0, 0, 0) | \ 257 ESR_ELx_SYS64_ISS_DIR_READ) 258 259 #define ESR_ELx_SYS64_ISS_SYS_CTR ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 1, 0, 0) 260 #define ESR_ELx_SYS64_ISS_SYS_CTR_READ (ESR_ELx_SYS64_ISS_SYS_CTR | \ 261 ESR_ELx_SYS64_ISS_DIR_READ) 262 263 #define ESR_ELx_SYS64_ISS_SYS_CNTVCT (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 2, 14, 0) | \ 264 ESR_ELx_SYS64_ISS_DIR_READ) 265 266 #define ESR_ELx_SYS64_ISS_SYS_CNTVCTSS (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 6, 14, 0) | \ 267 ESR_ELx_SYS64_ISS_DIR_READ) 268 269 #define ESR_ELx_SYS64_ISS_SYS_CNTFRQ (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 0, 14, 0) | \ 270 ESR_ELx_SYS64_ISS_DIR_READ) 271 272 #define esr_sys64_to_sysreg(e) \ 273 sys_reg((((e) & ESR_ELx_SYS64_ISS_OP0_MASK) >> \ 274 ESR_ELx_SYS64_ISS_OP0_SHIFT), \ 275 (((e) & ESR_ELx_SYS64_ISS_OP1_MASK) >> \ 276 ESR_ELx_SYS64_ISS_OP1_SHIFT), \ 277 (((e) & ESR_ELx_SYS64_ISS_CRN_MASK) >> \ 278 ESR_ELx_SYS64_ISS_CRN_SHIFT), \ 279 (((e) & ESR_ELx_SYS64_ISS_CRM_MASK) >> \ 280 ESR_ELx_SYS64_ISS_CRM_SHIFT), \ 281 (((e) & ESR_ELx_SYS64_ISS_OP2_MASK) >> \ 282 ESR_ELx_SYS64_ISS_OP2_SHIFT)) 283 284 #define esr_cp15_to_sysreg(e) \ 285 sys_reg(3, \ 286 (((e) & ESR_ELx_SYS64_ISS_OP1_MASK) >> \ 287 ESR_ELx_SYS64_ISS_OP1_SHIFT), \ 288 (((e) & ESR_ELx_SYS64_ISS_CRN_MASK) >> \ 289 ESR_ELx_SYS64_ISS_CRN_SHIFT), \ 290 (((e) & ESR_ELx_SYS64_ISS_CRM_MASK) >> \ 291 ESR_ELx_SYS64_ISS_CRM_SHIFT), \ 292 (((e) & ESR_ELx_SYS64_ISS_OP2_MASK) >> \ 293 ESR_ELx_SYS64_ISS_OP2_SHIFT)) 294 295 /* ISS field definitions for ERET/ERETAA/ERETAB trapping */ 296 #define ESR_ELx_ERET_ISS_ERET 0x2 297 #define ESR_ELx_ERET_ISS_ERETA 0x1 298 299 /* 300 * ISS field definitions for floating-point exception traps 301 * (FP_EXC_32/FP_EXC_64). 302 * 303 * (The FPEXC_* constants are used instead for common bits.) 304 */ 305 306 #define ESR_ELx_FP_EXC_TFV (UL(1) << 23) 307 308 /* 309 * ISS field definitions for CP15 accesses 310 */ 311 #define ESR_ELx_CP15_32_ISS_DIR_MASK 0x1 312 #define ESR_ELx_CP15_32_ISS_DIR_READ 0x1 313 #define ESR_ELx_CP15_32_ISS_DIR_WRITE 0x0 314 315 #define ESR_ELx_CP15_32_ISS_RT_SHIFT 5 316 #define ESR_ELx_CP15_32_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_32_ISS_RT_SHIFT) 317 #define ESR_ELx_CP15_32_ISS_CRM_SHIFT 1 318 #define ESR_ELx_CP15_32_ISS_CRM_MASK (UL(0xf) << ESR_ELx_CP15_32_ISS_CRM_SHIFT) 319 #define ESR_ELx_CP15_32_ISS_CRN_SHIFT 10 320 #define ESR_ELx_CP15_32_ISS_CRN_MASK (UL(0xf) << ESR_ELx_CP15_32_ISS_CRN_SHIFT) 321 #define ESR_ELx_CP15_32_ISS_OP1_SHIFT 14 322 #define ESR_ELx_CP15_32_ISS_OP1_MASK (UL(0x7) << ESR_ELx_CP15_32_ISS_OP1_SHIFT) 323 #define ESR_ELx_CP15_32_ISS_OP2_SHIFT 17 324 #define ESR_ELx_CP15_32_ISS_OP2_MASK (UL(0x7) << ESR_ELx_CP15_32_ISS_OP2_SHIFT) 325 326 #define ESR_ELx_CP15_32_ISS_SYS_MASK (ESR_ELx_CP15_32_ISS_OP1_MASK | \ 327 ESR_ELx_CP15_32_ISS_OP2_MASK | \ 328 ESR_ELx_CP15_32_ISS_CRN_MASK | \ 329 ESR_ELx_CP15_32_ISS_CRM_MASK | \ 330 ESR_ELx_CP15_32_ISS_DIR_MASK) 331 #define ESR_ELx_CP15_32_ISS_SYS_VAL(op1, op2, crn, crm) \ 332 (((op1) << ESR_ELx_CP15_32_ISS_OP1_SHIFT) | \ 333 ((op2) << ESR_ELx_CP15_32_ISS_OP2_SHIFT) | \ 334 ((crn) << ESR_ELx_CP15_32_ISS_CRN_SHIFT) | \ 335 ((crm) << ESR_ELx_CP15_32_ISS_CRM_SHIFT)) 336 337 #define ESR_ELx_CP15_64_ISS_DIR_MASK 0x1 338 #define ESR_ELx_CP15_64_ISS_DIR_READ 0x1 339 #define ESR_ELx_CP15_64_ISS_DIR_WRITE 0x0 340 341 #define ESR_ELx_CP15_64_ISS_RT_SHIFT 5 342 #define ESR_ELx_CP15_64_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_64_ISS_RT_SHIFT) 343 344 #define ESR_ELx_CP15_64_ISS_RT2_SHIFT 10 345 #define ESR_ELx_CP15_64_ISS_RT2_MASK (UL(0x1f) << ESR_ELx_CP15_64_ISS_RT2_SHIFT) 346 347 #define ESR_ELx_CP15_64_ISS_OP1_SHIFT 16 348 #define ESR_ELx_CP15_64_ISS_OP1_MASK (UL(0xf) << ESR_ELx_CP15_64_ISS_OP1_SHIFT) 349 #define ESR_ELx_CP15_64_ISS_CRM_SHIFT 1 350 #define ESR_ELx_CP15_64_ISS_CRM_MASK (UL(0xf) << ESR_ELx_CP15_64_ISS_CRM_SHIFT) 351 352 #define ESR_ELx_CP15_64_ISS_SYS_VAL(op1, crm) \ 353 (((op1) << ESR_ELx_CP15_64_ISS_OP1_SHIFT) | \ 354 ((crm) << ESR_ELx_CP15_64_ISS_CRM_SHIFT)) 355 356 #define ESR_ELx_CP15_64_ISS_SYS_MASK (ESR_ELx_CP15_64_ISS_OP1_MASK | \ 357 ESR_ELx_CP15_64_ISS_CRM_MASK | \ 358 ESR_ELx_CP15_64_ISS_DIR_MASK) 359 360 #define ESR_ELx_CP15_64_ISS_SYS_CNTVCT (ESR_ELx_CP15_64_ISS_SYS_VAL(1, 14) | \ 361 ESR_ELx_CP15_64_ISS_DIR_READ) 362 363 #define ESR_ELx_CP15_64_ISS_SYS_CNTVCTSS (ESR_ELx_CP15_64_ISS_SYS_VAL(9, 14) | \ 364 ESR_ELx_CP15_64_ISS_DIR_READ) 365 366 #define ESR_ELx_CP15_32_ISS_SYS_CNTFRQ (ESR_ELx_CP15_32_ISS_SYS_VAL(0, 0, 14, 0) |\ 367 ESR_ELx_CP15_32_ISS_DIR_READ) 368 369 /* 370 * ISS values for SME traps 371 */ 372 373 #define ESR_ELx_SME_ISS_SME_DISABLED 0 374 #define ESR_ELx_SME_ISS_ILL 1 375 #define ESR_ELx_SME_ISS_SM_DISABLED 2 376 #define ESR_ELx_SME_ISS_ZA_DISABLED 3 377 #define ESR_ELx_SME_ISS_ZT_DISABLED 4 378 379 /* ISS field definitions for MOPS exceptions */ 380 #define ESR_ELx_MOPS_ISS_MEM_INST (UL(1) << 24) 381 #define ESR_ELx_MOPS_ISS_FROM_EPILOGUE (UL(1) << 18) 382 #define ESR_ELx_MOPS_ISS_WRONG_OPTION (UL(1) << 17) 383 #define ESR_ELx_MOPS_ISS_OPTION_A (UL(1) << 16) 384 #define ESR_ELx_MOPS_ISS_DESTREG(esr) (((esr) & (UL(0x1f) << 10)) >> 10) 385 #define ESR_ELx_MOPS_ISS_SRCREG(esr) (((esr) & (UL(0x1f) << 5)) >> 5) 386 #define ESR_ELx_MOPS_ISS_SIZEREG(esr) (((esr) & (UL(0x1f) << 0)) >> 0) 387 388 #ifndef __ASSEMBLY__ 389 #include <asm/types.h> 390 391 static inline unsigned long esr_brk_comment(unsigned long esr) 392 { 393 return esr & ESR_ELx_BRK64_ISS_COMMENT_MASK; 394 } 395 396 static inline bool esr_is_data_abort(unsigned long esr) 397 { 398 const unsigned long ec = ESR_ELx_EC(esr); 399 400 return ec == ESR_ELx_EC_DABT_LOW || ec == ESR_ELx_EC_DABT_CUR; 401 } 402 403 static inline bool esr_is_cfi_brk(unsigned long esr) 404 { 405 return ESR_ELx_EC(esr) == ESR_ELx_EC_BRK64 && 406 (esr_brk_comment(esr) & ~CFI_BRK_IMM_MASK) == CFI_BRK_IMM_BASE; 407 } 408 409 static inline bool esr_fsc_is_translation_fault(unsigned long esr) 410 { 411 esr = esr & ESR_ELx_FSC; 412 413 return (esr == ESR_ELx_FSC_FAULT_L(3)) || 414 (esr == ESR_ELx_FSC_FAULT_L(2)) || 415 (esr == ESR_ELx_FSC_FAULT_L(1)) || 416 (esr == ESR_ELx_FSC_FAULT_L(0)) || 417 (esr == ESR_ELx_FSC_FAULT_L(-1)); 418 } 419 420 static inline bool esr_fsc_is_permission_fault(unsigned long esr) 421 { 422 esr = esr & ESR_ELx_FSC; 423 424 return (esr == ESR_ELx_FSC_PERM_L(3)) || 425 (esr == ESR_ELx_FSC_PERM_L(2)) || 426 (esr == ESR_ELx_FSC_PERM_L(1)) || 427 (esr == ESR_ELx_FSC_PERM_L(0)); 428 } 429 430 static inline bool esr_fsc_is_access_flag_fault(unsigned long esr) 431 { 432 esr = esr & ESR_ELx_FSC; 433 434 return (esr == ESR_ELx_FSC_ACCESS_L(3)) || 435 (esr == ESR_ELx_FSC_ACCESS_L(2)) || 436 (esr == ESR_ELx_FSC_ACCESS_L(1)) || 437 (esr == ESR_ELx_FSC_ACCESS_L(0)); 438 } 439 440 /* Indicate whether ESR.EC==0x1A is for an ERETAx instruction */ 441 static inline bool esr_iss_is_eretax(unsigned long esr) 442 { 443 return esr & ESR_ELx_ERET_ISS_ERET; 444 } 445 446 /* Indicate which key is used for ERETAx (false: A-Key, true: B-Key) */ 447 static inline bool esr_iss_is_eretab(unsigned long esr) 448 { 449 return esr & ESR_ELx_ERET_ISS_ERETA; 450 } 451 452 const char *esr_get_class_string(unsigned long esr); 453 #endif /* __ASSEMBLY */ 454 455 #endif /* __ASM_ESR_H */ 456