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_CV (UL(1) << 24) 156#define ESR_ELx_COND_SHIFT (20) 157#define ESR_ELx_COND_MASK (UL(0xF) << ESR_ELx_COND_SHIFT) 158#define ESR_ELx_WFx_ISS_RN (UL(0x1F) << 5) 159#define ESR_ELx_WFx_ISS_RV (UL(1) << 2) 160#define ESR_ELx_WFx_ISS_TI (UL(3) << 0) 161#define ESR_ELx_WFx_ISS_WFxT (UL(2) << 0) 162#define ESR_ELx_WFx_ISS_WFI (UL(0) << 0) 163#define ESR_ELx_WFx_ISS_WFE (UL(1) << 0) 164#define ESR_ELx_xVC_IMM_MASK ((UL(1) << 16) - 1) 165 166#define DISR_EL1_IDS (UL(1) << 24) 167/* 168 * DISR_EL1 and ESR_ELx share the bottom 13 bits, but the RES0 bits may mean 169 * different things in the future... 170 */ 171#define DISR_EL1_ESR_MASK (ESR_ELx_AET | ESR_ELx_EA | ESR_ELx_FSC) 172 173/* ESR value templates for specific events */ 174#define ESR_ELx_WFx_MASK (ESR_ELx_EC_MASK | \ 175 (ESR_ELx_WFx_ISS_TI & ~ESR_ELx_WFx_ISS_WFxT)) 176#define ESR_ELx_WFx_WFI_VAL ((ESR_ELx_EC_WFx << ESR_ELx_EC_SHIFT) | \ 177 ESR_ELx_WFx_ISS_WFI) 178 179/* BRK instruction trap from AArch64 state */ 180#define ESR_ELx_BRK64_ISS_COMMENT_MASK 0xffff 181 182/* ISS field definitions for System instruction traps */ 183#define ESR_ELx_SYS64_ISS_RES0_SHIFT 22 184#define ESR_ELx_SYS64_ISS_RES0_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_RES0_SHIFT) 185#define ESR_ELx_SYS64_ISS_DIR_MASK 0x1 186#define ESR_ELx_SYS64_ISS_DIR_READ 0x1 187#define ESR_ELx_SYS64_ISS_DIR_WRITE 0x0 188 189#define ESR_ELx_SYS64_ISS_RT_SHIFT 5 190#define ESR_ELx_SYS64_ISS_RT_MASK (UL(0x1f) << ESR_ELx_SYS64_ISS_RT_SHIFT) 191#define ESR_ELx_SYS64_ISS_CRM_SHIFT 1 192#define ESR_ELx_SYS64_ISS_CRM_MASK (UL(0xf) << ESR_ELx_SYS64_ISS_CRM_SHIFT) 193#define ESR_ELx_SYS64_ISS_CRN_SHIFT 10 194#define ESR_ELx_SYS64_ISS_CRN_MASK (UL(0xf) << ESR_ELx_SYS64_ISS_CRN_SHIFT) 195#define ESR_ELx_SYS64_ISS_OP1_SHIFT 14 196#define ESR_ELx_SYS64_ISS_OP1_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_OP1_SHIFT) 197#define ESR_ELx_SYS64_ISS_OP2_SHIFT 17 198#define ESR_ELx_SYS64_ISS_OP2_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_OP2_SHIFT) 199#define ESR_ELx_SYS64_ISS_OP0_SHIFT 20 200#define ESR_ELx_SYS64_ISS_OP0_MASK (UL(0x3) << ESR_ELx_SYS64_ISS_OP0_SHIFT) 201#define ESR_ELx_SYS64_ISS_SYS_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ 202 ESR_ELx_SYS64_ISS_OP1_MASK | \ 203 ESR_ELx_SYS64_ISS_OP2_MASK | \ 204 ESR_ELx_SYS64_ISS_CRN_MASK | \ 205 ESR_ELx_SYS64_ISS_CRM_MASK) 206#define ESR_ELx_SYS64_ISS_SYS_VAL(op0, op1, op2, crn, crm) \ 207 (((op0) << ESR_ELx_SYS64_ISS_OP0_SHIFT) | \ 208 ((op1) << ESR_ELx_SYS64_ISS_OP1_SHIFT) | \ 209 ((op2) << ESR_ELx_SYS64_ISS_OP2_SHIFT) | \ 210 ((crn) << ESR_ELx_SYS64_ISS_CRN_SHIFT) | \ 211 ((crm) << ESR_ELx_SYS64_ISS_CRM_SHIFT)) 212 213#define ESR_ELx_SYS64_ISS_SYS_OP_MASK (ESR_ELx_SYS64_ISS_SYS_MASK | \ 214 ESR_ELx_SYS64_ISS_DIR_MASK) 215#define ESR_ELx_SYS64_ISS_RT(esr) \ 216 (((esr) & ESR_ELx_SYS64_ISS_RT_MASK) >> ESR_ELx_SYS64_ISS_RT_SHIFT) 217/* 218 * User space cache operations have the following sysreg encoding 219 * in System instructions. 220 * op0=1, op1=3, op2=1, crn=7, crm={ 5, 10, 11, 12, 13, 14 }, WRITE (L=0) 221 */ 222#define ESR_ELx_SYS64_ISS_CRM_DC_CIVAC 14 223#define ESR_ELx_SYS64_ISS_CRM_DC_CVADP 13 224#define ESR_ELx_SYS64_ISS_CRM_DC_CVAP 12 225#define ESR_ELx_SYS64_ISS_CRM_DC_CVAU 11 226#define ESR_ELx_SYS64_ISS_CRM_DC_CVAC 10 227#define ESR_ELx_SYS64_ISS_CRM_IC_IVAU 5 228 229#define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ 230 ESR_ELx_SYS64_ISS_OP1_MASK | \ 231 ESR_ELx_SYS64_ISS_OP2_MASK | \ 232 ESR_ELx_SYS64_ISS_CRN_MASK | \ 233 ESR_ELx_SYS64_ISS_DIR_MASK) 234#define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_VAL \ 235 (ESR_ELx_SYS64_ISS_SYS_VAL(1, 3, 1, 7, 0) | \ 236 ESR_ELx_SYS64_ISS_DIR_WRITE) 237/* 238 * User space MRS operations which are supported for emulation 239 * have the following sysreg encoding in System instructions. 240 * op0 = 3, op1= 0, crn = 0, {crm = 0, 4-7}, READ (L = 1) 241 */ 242#define ESR_ELx_SYS64_ISS_SYS_MRS_OP_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ 243 ESR_ELx_SYS64_ISS_OP1_MASK | \ 244 ESR_ELx_SYS64_ISS_CRN_MASK | \ 245 ESR_ELx_SYS64_ISS_DIR_MASK) 246#define ESR_ELx_SYS64_ISS_SYS_MRS_OP_VAL \ 247 (ESR_ELx_SYS64_ISS_SYS_VAL(3, 0, 0, 0, 0) | \ 248 ESR_ELx_SYS64_ISS_DIR_READ) 249 250#define ESR_ELx_SYS64_ISS_SYS_CTR ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 1, 0, 0) 251#define ESR_ELx_SYS64_ISS_SYS_CTR_READ (ESR_ELx_SYS64_ISS_SYS_CTR | \ 252 ESR_ELx_SYS64_ISS_DIR_READ) 253 254#define ESR_ELx_SYS64_ISS_SYS_CNTVCT (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 2, 14, 0) | \ 255 ESR_ELx_SYS64_ISS_DIR_READ) 256 257#define ESR_ELx_SYS64_ISS_SYS_CNTVCTSS (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 6, 14, 0) | \ 258 ESR_ELx_SYS64_ISS_DIR_READ) 259 260#define ESR_ELx_SYS64_ISS_SYS_CNTFRQ (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 0, 14, 0) | \ 261 ESR_ELx_SYS64_ISS_DIR_READ) 262 263#define esr_sys64_to_sysreg(e) \ 264 sys_reg((((e) & ESR_ELx_SYS64_ISS_OP0_MASK) >> \ 265 ESR_ELx_SYS64_ISS_OP0_SHIFT), \ 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#define esr_cp15_to_sysreg(e) \ 276 sys_reg(3, \ 277 (((e) & ESR_ELx_SYS64_ISS_OP1_MASK) >> \ 278 ESR_ELx_SYS64_ISS_OP1_SHIFT), \ 279 (((e) & ESR_ELx_SYS64_ISS_CRN_MASK) >> \ 280 ESR_ELx_SYS64_ISS_CRN_SHIFT), \ 281 (((e) & ESR_ELx_SYS64_ISS_CRM_MASK) >> \ 282 ESR_ELx_SYS64_ISS_CRM_SHIFT), \ 283 (((e) & ESR_ELx_SYS64_ISS_OP2_MASK) >> \ 284 ESR_ELx_SYS64_ISS_OP2_SHIFT)) 285 286/* ISS field definitions for ERET/ERETAA/ERETAB trapping */ 287#define ESR_ELx_ERET_ISS_ERET 0x2 288#define ESR_ELx_ERET_ISS_ERETA 0x1 289 290/* 291 * ISS field definitions for floating-point exception traps 292 * (FP_EXC_32/FP_EXC_64). 293 * 294 * (The FPEXC_* constants are used instead for common bits.) 295 */ 296 297#define ESR_ELx_FP_EXC_TFV (UL(1) << 23) 298 299/* 300 * ISS field definitions for CP15 accesses 301 */ 302#define ESR_ELx_CP15_32_ISS_DIR_MASK 0x1 303#define ESR_ELx_CP15_32_ISS_DIR_READ 0x1 304#define ESR_ELx_CP15_32_ISS_DIR_WRITE 0x0 305 306#define ESR_ELx_CP15_32_ISS_RT_SHIFT 5 307#define ESR_ELx_CP15_32_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_32_ISS_RT_SHIFT) 308#define ESR_ELx_CP15_32_ISS_CRM_SHIFT 1 309#define ESR_ELx_CP15_32_ISS_CRM_MASK (UL(0xf) << ESR_ELx_CP15_32_ISS_CRM_SHIFT) 310#define ESR_ELx_CP15_32_ISS_CRN_SHIFT 10 311#define ESR_ELx_CP15_32_ISS_CRN_MASK (UL(0xf) << ESR_ELx_CP15_32_ISS_CRN_SHIFT) 312#define ESR_ELx_CP15_32_ISS_OP1_SHIFT 14 313#define ESR_ELx_CP15_32_ISS_OP1_MASK (UL(0x7) << ESR_ELx_CP15_32_ISS_OP1_SHIFT) 314#define ESR_ELx_CP15_32_ISS_OP2_SHIFT 17 315#define ESR_ELx_CP15_32_ISS_OP2_MASK (UL(0x7) << ESR_ELx_CP15_32_ISS_OP2_SHIFT) 316 317#define ESR_ELx_CP15_32_ISS_SYS_MASK (ESR_ELx_CP15_32_ISS_OP1_MASK | \ 318 ESR_ELx_CP15_32_ISS_OP2_MASK | \ 319 ESR_ELx_CP15_32_ISS_CRN_MASK | \ 320 ESR_ELx_CP15_32_ISS_CRM_MASK | \ 321 ESR_ELx_CP15_32_ISS_DIR_MASK) 322#define ESR_ELx_CP15_32_ISS_SYS_VAL(op1, op2, crn, crm) \ 323 (((op1) << ESR_ELx_CP15_32_ISS_OP1_SHIFT) | \ 324 ((op2) << ESR_ELx_CP15_32_ISS_OP2_SHIFT) | \ 325 ((crn) << ESR_ELx_CP15_32_ISS_CRN_SHIFT) | \ 326 ((crm) << ESR_ELx_CP15_32_ISS_CRM_SHIFT)) 327 328#define ESR_ELx_CP15_64_ISS_DIR_MASK 0x1 329#define ESR_ELx_CP15_64_ISS_DIR_READ 0x1 330#define ESR_ELx_CP15_64_ISS_DIR_WRITE 0x0 331 332#define ESR_ELx_CP15_64_ISS_RT_SHIFT 5 333#define ESR_ELx_CP15_64_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_64_ISS_RT_SHIFT) 334 335#define ESR_ELx_CP15_64_ISS_RT2_SHIFT 10 336#define ESR_ELx_CP15_64_ISS_RT2_MASK (UL(0x1f) << ESR_ELx_CP15_64_ISS_RT2_SHIFT) 337 338#define ESR_ELx_CP15_64_ISS_OP1_SHIFT 16 339#define ESR_ELx_CP15_64_ISS_OP1_MASK (UL(0xf) << ESR_ELx_CP15_64_ISS_OP1_SHIFT) 340#define ESR_ELx_CP15_64_ISS_CRM_SHIFT 1 341#define ESR_ELx_CP15_64_ISS_CRM_MASK (UL(0xf) << ESR_ELx_CP15_64_ISS_CRM_SHIFT) 342 343#define ESR_ELx_CP15_64_ISS_SYS_VAL(op1, crm) \ 344 (((op1) << ESR_ELx_CP15_64_ISS_OP1_SHIFT) | \ 345 ((crm) << ESR_ELx_CP15_64_ISS_CRM_SHIFT)) 346 347#define ESR_ELx_CP15_64_ISS_SYS_MASK (ESR_ELx_CP15_64_ISS_OP1_MASK | \ 348 ESR_ELx_CP15_64_ISS_CRM_MASK | \ 349 ESR_ELx_CP15_64_ISS_DIR_MASK) 350 351#define ESR_ELx_CP15_64_ISS_SYS_CNTVCT (ESR_ELx_CP15_64_ISS_SYS_VAL(1, 14) | \ 352 ESR_ELx_CP15_64_ISS_DIR_READ) 353 354#define ESR_ELx_CP15_64_ISS_SYS_CNTVCTSS (ESR_ELx_CP15_64_ISS_SYS_VAL(9, 14) | \ 355 ESR_ELx_CP15_64_ISS_DIR_READ) 356 357#define ESR_ELx_CP15_32_ISS_SYS_CNTFRQ (ESR_ELx_CP15_32_ISS_SYS_VAL(0, 0, 14, 0) |\ 358 ESR_ELx_CP15_32_ISS_DIR_READ) 359 360/* 361 * ISS values for SME traps 362 */ 363 364#define ESR_ELx_SME_ISS_SME_DISABLED 0 365#define ESR_ELx_SME_ISS_ILL 1 366#define ESR_ELx_SME_ISS_SM_DISABLED 2 367#define ESR_ELx_SME_ISS_ZA_DISABLED 3 368#define ESR_ELx_SME_ISS_ZT_DISABLED 4 369 370/* ISS field definitions for MOPS exceptions */ 371#define ESR_ELx_MOPS_ISS_MEM_INST (UL(1) << 24) 372#define ESR_ELx_MOPS_ISS_FROM_EPILOGUE (UL(1) << 18) 373#define ESR_ELx_MOPS_ISS_WRONG_OPTION (UL(1) << 17) 374#define ESR_ELx_MOPS_ISS_OPTION_A (UL(1) << 16) 375#define ESR_ELx_MOPS_ISS_DESTREG(esr) (((esr) & (UL(0x1f) << 10)) >> 10) 376#define ESR_ELx_MOPS_ISS_SRCREG(esr) (((esr) & (UL(0x1f) << 5)) >> 5) 377#define ESR_ELx_MOPS_ISS_SIZEREG(esr) (((esr) & (UL(0x1f) << 0)) >> 0) 378 379#ifndef __ASSEMBLY__ 380#include <asm/types.h> 381 382static inline bool esr_is_data_abort(unsigned long esr) 383{ 384 const unsigned long ec = ESR_ELx_EC(esr); 385 386 return ec == ESR_ELx_EC_DABT_LOW || ec == ESR_ELx_EC_DABT_CUR; 387} 388 389static inline bool esr_fsc_is_translation_fault(unsigned long esr) 390{ 391 /* Translation fault, level -1 */ 392 if ((esr & ESR_ELx_FSC) == 0b101011) 393 return true; 394 return (esr & ESR_ELx_FSC_TYPE) == ESR_ELx_FSC_FAULT; 395} 396 397static inline bool esr_fsc_is_permission_fault(unsigned long esr) 398{ 399 return (esr & ESR_ELx_FSC_TYPE) == ESR_ELx_FSC_PERM; 400} 401 402static inline bool esr_fsc_is_access_flag_fault(unsigned long esr) 403{ 404 return (esr & ESR_ELx_FSC_TYPE) == ESR_ELx_FSC_ACCESS; 405} 406 407const char *esr_get_class_string(unsigned long esr); 408#endif /* __ASSEMBLY */ 409 410#endif /* __ASM_ESR_H */ 411