/* * Copyright (C) 2013 - ARM Ltd * Author: Marc Zyngier * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #ifndef __ASM_ESR_H #define __ASM_ESR_H #include #include #define ESR_ELx_EC_UNKNOWN (0x00) #define ESR_ELx_EC_WFx (0x01) /* Unallocated EC: 0x02 */ #define ESR_ELx_EC_CP15_32 (0x03) #define ESR_ELx_EC_CP15_64 (0x04) #define ESR_ELx_EC_CP14_MR (0x05) #define ESR_ELx_EC_CP14_LS (0x06) #define ESR_ELx_EC_FP_ASIMD (0x07) #define ESR_ELx_EC_CP10_ID (0x08) /* Unallocated EC: 0x09 - 0x0B */ #define ESR_ELx_EC_CP14_64 (0x0C) /* Unallocated EC: 0x0d */ #define ESR_ELx_EC_ILL (0x0E) /* Unallocated EC: 0x0F - 0x10 */ #define ESR_ELx_EC_SVC32 (0x11) #define ESR_ELx_EC_HVC32 (0x12) #define ESR_ELx_EC_SMC32 (0x13) /* Unallocated EC: 0x14 */ #define ESR_ELx_EC_SVC64 (0x15) #define ESR_ELx_EC_HVC64 (0x16) #define ESR_ELx_EC_SMC64 (0x17) #define ESR_ELx_EC_SYS64 (0x18) #define ESR_ELx_EC_SVE (0x19) /* Unallocated EC: 0x1A - 0x1E */ #define ESR_ELx_EC_IMP_DEF (0x1f) #define ESR_ELx_EC_IABT_LOW (0x20) #define ESR_ELx_EC_IABT_CUR (0x21) #define ESR_ELx_EC_PC_ALIGN (0x22) /* Unallocated EC: 0x23 */ #define ESR_ELx_EC_DABT_LOW (0x24) #define ESR_ELx_EC_DABT_CUR (0x25) #define ESR_ELx_EC_SP_ALIGN (0x26) /* Unallocated EC: 0x27 */ #define ESR_ELx_EC_FP_EXC32 (0x28) /* Unallocated EC: 0x29 - 0x2B */ #define ESR_ELx_EC_FP_EXC64 (0x2C) /* Unallocated EC: 0x2D - 0x2E */ #define ESR_ELx_EC_SERROR (0x2F) #define ESR_ELx_EC_BREAKPT_LOW (0x30) #define ESR_ELx_EC_BREAKPT_CUR (0x31) #define ESR_ELx_EC_SOFTSTP_LOW (0x32) #define ESR_ELx_EC_SOFTSTP_CUR (0x33) #define ESR_ELx_EC_WATCHPT_LOW (0x34) #define ESR_ELx_EC_WATCHPT_CUR (0x35) /* Unallocated EC: 0x36 - 0x37 */ #define ESR_ELx_EC_BKPT32 (0x38) /* Unallocated EC: 0x39 */ #define ESR_ELx_EC_VECTOR32 (0x3A) /* Unallocted EC: 0x3B */ #define ESR_ELx_EC_BRK64 (0x3C) /* Unallocated EC: 0x3D - 0x3F */ #define ESR_ELx_EC_MAX (0x3F) #define ESR_ELx_EC_SHIFT (26) #define ESR_ELx_EC_MASK (UL(0x3F) << ESR_ELx_EC_SHIFT) #define ESR_ELx_EC(esr) (((esr) & ESR_ELx_EC_MASK) >> ESR_ELx_EC_SHIFT) #define ESR_ELx_IL_SHIFT (25) #define ESR_ELx_IL (UL(1) << ESR_ELx_IL_SHIFT) #define ESR_ELx_ISS_MASK (ESR_ELx_IL - 1) /* ISS field definitions shared by different classes */ #define ESR_ELx_WNR_SHIFT (6) #define ESR_ELx_WNR (UL(1) << ESR_ELx_WNR_SHIFT) /* Asynchronous Error Type */ #define ESR_ELx_IDS_SHIFT (24) #define ESR_ELx_IDS (UL(1) << ESR_ELx_IDS_SHIFT) #define ESR_ELx_AET_SHIFT (10) #define ESR_ELx_AET (UL(0x7) << ESR_ELx_AET_SHIFT) #define ESR_ELx_AET_UC (UL(0) << ESR_ELx_AET_SHIFT) #define ESR_ELx_AET_UEU (UL(1) << ESR_ELx_AET_SHIFT) #define ESR_ELx_AET_UEO (UL(2) << ESR_ELx_AET_SHIFT) #define ESR_ELx_AET_UER (UL(3) << ESR_ELx_AET_SHIFT) #define ESR_ELx_AET_CE (UL(6) << ESR_ELx_AET_SHIFT) /* Shared ISS field definitions for Data/Instruction aborts */ #define ESR_ELx_SET_SHIFT (11) #define ESR_ELx_SET_MASK (UL(3) << ESR_ELx_SET_SHIFT) #define ESR_ELx_FnV_SHIFT (10) #define ESR_ELx_FnV (UL(1) << ESR_ELx_FnV_SHIFT) #define ESR_ELx_EA_SHIFT (9) #define ESR_ELx_EA (UL(1) << ESR_ELx_EA_SHIFT) #define ESR_ELx_S1PTW_SHIFT (7) #define ESR_ELx_S1PTW (UL(1) << ESR_ELx_S1PTW_SHIFT) /* Shared ISS fault status code(IFSC/DFSC) for Data/Instruction aborts */ #define ESR_ELx_FSC (0x3F) #define ESR_ELx_FSC_TYPE (0x3C) #define ESR_ELx_FSC_EXTABT (0x10) #define ESR_ELx_FSC_SERROR (0x11) #define ESR_ELx_FSC_ACCESS (0x08) #define ESR_ELx_FSC_FAULT (0x04) #define ESR_ELx_FSC_PERM (0x0C) /* ISS field definitions for Data Aborts */ #define ESR_ELx_ISV_SHIFT (24) #define ESR_ELx_ISV (UL(1) << ESR_ELx_ISV_SHIFT) #define ESR_ELx_SAS_SHIFT (22) #define ESR_ELx_SAS (UL(3) << ESR_ELx_SAS_SHIFT) #define ESR_ELx_SSE_SHIFT (21) #define ESR_ELx_SSE (UL(1) << ESR_ELx_SSE_SHIFT) #define ESR_ELx_SRT_SHIFT (16) #define ESR_ELx_SRT_MASK (UL(0x1F) << ESR_ELx_SRT_SHIFT) #define ESR_ELx_SF_SHIFT (15) #define ESR_ELx_SF (UL(1) << ESR_ELx_SF_SHIFT) #define ESR_ELx_AR_SHIFT (14) #define ESR_ELx_AR (UL(1) << ESR_ELx_AR_SHIFT) #define ESR_ELx_CM_SHIFT (8) #define ESR_ELx_CM (UL(1) << ESR_ELx_CM_SHIFT) /* ISS field definitions for exceptions taken in to Hyp */ #define ESR_ELx_CV (UL(1) << 24) #define ESR_ELx_COND_SHIFT (20) #define ESR_ELx_COND_MASK (UL(0xF) << ESR_ELx_COND_SHIFT) #define ESR_ELx_WFx_ISS_WFE (UL(1) << 0) #define ESR_ELx_xVC_IMM_MASK ((1UL << 16) - 1) #define DISR_EL1_IDS (UL(1) << 24) /* * DISR_EL1 and ESR_ELx share the bottom 13 bits, but the RES0 bits may mean * different things in the future... */ #define DISR_EL1_ESR_MASK (ESR_ELx_AET | ESR_ELx_EA | ESR_ELx_FSC) /* ESR value templates for specific events */ /* BRK instruction trap from AArch64 state */ #define ESR_ELx_VAL_BRK64(imm) \ ((ESR_ELx_EC_BRK64 << ESR_ELx_EC_SHIFT) | ESR_ELx_IL | \ ((imm) & 0xffff)) /* ISS field definitions for System instruction traps */ #define ESR_ELx_SYS64_ISS_RES0_SHIFT 22 #define ESR_ELx_SYS64_ISS_RES0_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_RES0_SHIFT) #define ESR_ELx_SYS64_ISS_DIR_MASK 0x1 #define ESR_ELx_SYS64_ISS_DIR_READ 0x1 #define ESR_ELx_SYS64_ISS_DIR_WRITE 0x0 #define ESR_ELx_SYS64_ISS_RT_SHIFT 5 #define ESR_ELx_SYS64_ISS_RT_MASK (UL(0x1f) << ESR_ELx_SYS64_ISS_RT_SHIFT) #define ESR_ELx_SYS64_ISS_CRM_SHIFT 1 #define ESR_ELx_SYS64_ISS_CRM_MASK (UL(0xf) << ESR_ELx_SYS64_ISS_CRM_SHIFT) #define ESR_ELx_SYS64_ISS_CRN_SHIFT 10 #define ESR_ELx_SYS64_ISS_CRN_MASK (UL(0xf) << ESR_ELx_SYS64_ISS_CRN_SHIFT) #define ESR_ELx_SYS64_ISS_OP1_SHIFT 14 #define ESR_ELx_SYS64_ISS_OP1_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_OP1_SHIFT) #define ESR_ELx_SYS64_ISS_OP2_SHIFT 17 #define ESR_ELx_SYS64_ISS_OP2_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_OP2_SHIFT) #define ESR_ELx_SYS64_ISS_OP0_SHIFT 20 #define ESR_ELx_SYS64_ISS_OP0_MASK (UL(0x3) << ESR_ELx_SYS64_ISS_OP0_SHIFT) #define ESR_ELx_SYS64_ISS_SYS_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ ESR_ELx_SYS64_ISS_OP1_MASK | \ ESR_ELx_SYS64_ISS_OP2_MASK | \ ESR_ELx_SYS64_ISS_CRN_MASK | \ ESR_ELx_SYS64_ISS_CRM_MASK) #define ESR_ELx_SYS64_ISS_SYS_VAL(op0, op1, op2, crn, crm) \ (((op0) << ESR_ELx_SYS64_ISS_OP0_SHIFT) | \ ((op1) << ESR_ELx_SYS64_ISS_OP1_SHIFT) | \ ((op2) << ESR_ELx_SYS64_ISS_OP2_SHIFT) | \ ((crn) << ESR_ELx_SYS64_ISS_CRN_SHIFT) | \ ((crm) << ESR_ELx_SYS64_ISS_CRM_SHIFT)) #define ESR_ELx_SYS64_ISS_SYS_OP_MASK (ESR_ELx_SYS64_ISS_SYS_MASK | \ ESR_ELx_SYS64_ISS_DIR_MASK) #define ESR_ELx_SYS64_ISS_RT(esr) \ (((esr) & ESR_ELx_SYS64_ISS_RT_MASK) >> ESR_ELx_SYS64_ISS_RT_SHIFT) /* * User space cache operations have the following sysreg encoding * in System instructions. * op0=1, op1=3, op2=1, crn=7, crm={ 5, 10, 11, 12, 14 }, WRITE (L=0) */ #define ESR_ELx_SYS64_ISS_CRM_DC_CIVAC 14 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAP 12 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAU 11 #define ESR_ELx_SYS64_ISS_CRM_DC_CVAC 10 #define ESR_ELx_SYS64_ISS_CRM_IC_IVAU 5 #define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ ESR_ELx_SYS64_ISS_OP1_MASK | \ ESR_ELx_SYS64_ISS_OP2_MASK | \ ESR_ELx_SYS64_ISS_CRN_MASK | \ ESR_ELx_SYS64_ISS_DIR_MASK) #define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_VAL \ (ESR_ELx_SYS64_ISS_SYS_VAL(1, 3, 1, 7, 0) | \ ESR_ELx_SYS64_ISS_DIR_WRITE) /* * User space MRS operations which are supported for emulation * have the following sysreg encoding in System instructions. * op0 = 3, op1= 0, crn = 0, {crm = 0, 4-7}, READ (L = 1) */ #define ESR_ELx_SYS64_ISS_SYS_MRS_OP_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \ ESR_ELx_SYS64_ISS_OP1_MASK | \ ESR_ELx_SYS64_ISS_CRN_MASK | \ ESR_ELx_SYS64_ISS_DIR_MASK) #define ESR_ELx_SYS64_ISS_SYS_MRS_OP_VAL \ (ESR_ELx_SYS64_ISS_SYS_VAL(3, 0, 0, 0, 0) | \ ESR_ELx_SYS64_ISS_DIR_READ) #define ESR_ELx_SYS64_ISS_SYS_CTR ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 1, 0, 0) #define ESR_ELx_SYS64_ISS_SYS_CTR_READ (ESR_ELx_SYS64_ISS_SYS_CTR | \ ESR_ELx_SYS64_ISS_DIR_READ) #define ESR_ELx_SYS64_ISS_SYS_CNTVCT (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 2, 14, 0) | \ ESR_ELx_SYS64_ISS_DIR_READ) #define ESR_ELx_SYS64_ISS_SYS_CNTFRQ (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 0, 14, 0) | \ ESR_ELx_SYS64_ISS_DIR_READ) #define esr_sys64_to_sysreg(e) \ sys_reg((((e) & ESR_ELx_SYS64_ISS_OP0_MASK) >> \ ESR_ELx_SYS64_ISS_OP0_SHIFT), \ (((e) & ESR_ELx_SYS64_ISS_OP1_MASK) >> \ ESR_ELx_SYS64_ISS_OP1_SHIFT), \ (((e) & ESR_ELx_SYS64_ISS_CRN_MASK) >> \ ESR_ELx_SYS64_ISS_CRN_SHIFT), \ (((e) & ESR_ELx_SYS64_ISS_CRM_MASK) >> \ ESR_ELx_SYS64_ISS_CRM_SHIFT), \ (((e) & ESR_ELx_SYS64_ISS_OP2_MASK) >> \ ESR_ELx_SYS64_ISS_OP2_SHIFT)) #define esr_cp15_to_sysreg(e) \ sys_reg(3, \ (((e) & ESR_ELx_SYS64_ISS_OP1_MASK) >> \ ESR_ELx_SYS64_ISS_OP1_SHIFT), \ (((e) & ESR_ELx_SYS64_ISS_CRN_MASK) >> \ ESR_ELx_SYS64_ISS_CRN_SHIFT), \ (((e) & ESR_ELx_SYS64_ISS_CRM_MASK) >> \ ESR_ELx_SYS64_ISS_CRM_SHIFT), \ (((e) & ESR_ELx_SYS64_ISS_OP2_MASK) >> \ ESR_ELx_SYS64_ISS_OP2_SHIFT)) /* * ISS field definitions for floating-point exception traps * (FP_EXC_32/FP_EXC_64). * * (The FPEXC_* constants are used instead for common bits.) */ #define ESR_ELx_FP_EXC_TFV (UL(1) << 23) /* * ISS field definitions for CP15 accesses */ #define ESR_ELx_CP15_32_ISS_DIR_MASK 0x1 #define ESR_ELx_CP15_32_ISS_DIR_READ 0x1 #define ESR_ELx_CP15_32_ISS_DIR_WRITE 0x0 #define ESR_ELx_CP15_32_ISS_RT_SHIFT 5 #define ESR_ELx_CP15_32_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_32_ISS_RT_SHIFT) #define ESR_ELx_CP15_32_ISS_CRM_SHIFT 1 #define ESR_ELx_CP15_32_ISS_CRM_MASK (UL(0xf) << ESR_ELx_CP15_32_ISS_CRM_SHIFT) #define ESR_ELx_CP15_32_ISS_CRN_SHIFT 10 #define ESR_ELx_CP15_32_ISS_CRN_MASK (UL(0xf) << ESR_ELx_CP15_32_ISS_CRN_SHIFT) #define ESR_ELx_CP15_32_ISS_OP1_SHIFT 14 #define ESR_ELx_CP15_32_ISS_OP1_MASK (UL(0x7) << ESR_ELx_CP15_32_ISS_OP1_SHIFT) #define ESR_ELx_CP15_32_ISS_OP2_SHIFT 17 #define ESR_ELx_CP15_32_ISS_OP2_MASK (UL(0x7) << ESR_ELx_CP15_32_ISS_OP2_SHIFT) #define ESR_ELx_CP15_32_ISS_SYS_MASK (ESR_ELx_CP15_32_ISS_OP1_MASK | \ ESR_ELx_CP15_32_ISS_OP2_MASK | \ ESR_ELx_CP15_32_ISS_CRN_MASK | \ ESR_ELx_CP15_32_ISS_CRM_MASK | \ ESR_ELx_CP15_32_ISS_DIR_MASK) #define ESR_ELx_CP15_32_ISS_SYS_VAL(op1, op2, crn, crm) \ (((op1) << ESR_ELx_CP15_32_ISS_OP1_SHIFT) | \ ((op2) << ESR_ELx_CP15_32_ISS_OP2_SHIFT) | \ ((crn) << ESR_ELx_CP15_32_ISS_CRN_SHIFT) | \ ((crm) << ESR_ELx_CP15_32_ISS_CRM_SHIFT)) #define ESR_ELx_CP15_64_ISS_DIR_MASK 0x1 #define ESR_ELx_CP15_64_ISS_DIR_READ 0x1 #define ESR_ELx_CP15_64_ISS_DIR_WRITE 0x0 #define ESR_ELx_CP15_64_ISS_RT_SHIFT 5 #define ESR_ELx_CP15_64_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_64_ISS_RT_SHIFT) #define ESR_ELx_CP15_64_ISS_RT2_SHIFT 10 #define ESR_ELx_CP15_64_ISS_RT2_MASK (UL(0x1f) << ESR_ELx_CP15_64_ISS_RT2_SHIFT) #define ESR_ELx_CP15_64_ISS_OP1_SHIFT 16 #define ESR_ELx_CP15_64_ISS_OP1_MASK (UL(0xf) << ESR_ELx_CP15_64_ISS_OP1_SHIFT) #define ESR_ELx_CP15_64_ISS_CRM_SHIFT 1 #define ESR_ELx_CP15_64_ISS_CRM_MASK (UL(0xf) << ESR_ELx_CP15_64_ISS_CRM_SHIFT) #define ESR_ELx_CP15_64_ISS_SYS_VAL(op1, crm) \ (((op1) << ESR_ELx_CP15_64_ISS_OP1_SHIFT) | \ ((crm) << ESR_ELx_CP15_64_ISS_CRM_SHIFT)) #define ESR_ELx_CP15_64_ISS_SYS_MASK (ESR_ELx_CP15_64_ISS_OP1_MASK | \ ESR_ELx_CP15_64_ISS_CRM_MASK | \ ESR_ELx_CP15_64_ISS_DIR_MASK) #define ESR_ELx_CP15_64_ISS_SYS_CNTVCT (ESR_ELx_CP15_64_ISS_SYS_VAL(1, 14) | \ ESR_ELx_CP15_64_ISS_DIR_READ) #ifndef __ASSEMBLY__ #include static inline bool esr_is_data_abort(u32 esr) { const u32 ec = ESR_ELx_EC(esr); return ec == ESR_ELx_EC_DABT_LOW || ec == ESR_ELx_EC_DABT_CUR; } const char *esr_get_class_string(u32 esr); #endif /* __ASSEMBLY */ #endif /* __ASM_ESR_H */