| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (C) 2013 - ARM Ltd |
| * Author: Marc Zyngier <marc.zyngier@arm.com> |
| */ |
| |
| #ifndef __ASM_ESR_H |
| #define __ASM_ESR_H |
| |
| #include <asm/memory.h> |
| #include <asm/sysreg.h> |
| |
| #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) /* EL2 only */ |
| #define ESR_ELx_EC_PAC (0x09) /* EL2 and above */ |
| /* Unallocated EC: 0x0A - 0x0B */ |
| #define ESR_ELx_EC_CP14_64 (0x0C) |
| #define ESR_ELx_EC_BTI (0x0D) |
| #define ESR_ELx_EC_ILL (0x0E) |
| /* Unallocated EC: 0x0F - 0x10 */ |
| #define ESR_ELx_EC_SVC32 (0x11) |
| #define ESR_ELx_EC_HVC32 (0x12) /* EL2 only */ |
| #define ESR_ELx_EC_SMC32 (0x13) /* EL2 and above */ |
| /* Unallocated EC: 0x14 */ |
| #define ESR_ELx_EC_SVC64 (0x15) |
| #define ESR_ELx_EC_HVC64 (0x16) /* EL2 and above */ |
| #define ESR_ELx_EC_SMC64 (0x17) /* EL2 and above */ |
| #define ESR_ELx_EC_SYS64 (0x18) |
| #define ESR_ELx_EC_SVE (0x19) |
| #define ESR_ELx_EC_ERET (0x1a) /* EL2 only */ |
| /* Unallocated EC: 0x1B */ |
| #define ESR_ELx_EC_FPAC (0x1C) /* EL1 and above */ |
| /* Unallocated EC: 0x1D - 0x1E */ |
| #define ESR_ELx_EC_IMP_DEF (0x1f) /* EL3 only */ |
| #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) /* EL2 only */ |
| /* Unallocated 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_LEVEL (0x03) |
| #define ESR_ELx_FSC_EXTABT (0x10) |
| #define ESR_ELx_FSC_MTE (0x11) |
| #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_TI (UL(1) << 0) |
| #define ESR_ELx_WFx_ISS_WFI (UL(0) << 0) |
| #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 */ |
| #define ESR_ELx_WFx_MASK (ESR_ELx_EC_MASK | ESR_ELx_WFx_ISS_TI) |
| #define ESR_ELx_WFx_WFI_VAL ((ESR_ELx_EC_WFx << ESR_ELx_EC_SHIFT) | \ |
| ESR_ELx_WFx_ISS_WFI) |
| |
| /* BRK instruction trap from AArch64 state */ |
| #define ESR_ELx_BRK64_ISS_COMMENT_MASK 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, 13, 14 }, WRITE (L=0) |
| */ |
| #define ESR_ELx_SYS64_ISS_CRM_DC_CIVAC 14 |
| #define ESR_ELx_SYS64_ISS_CRM_DC_CVADP 13 |
| #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) |
| |
| #define ESR_ELx_CP15_32_ISS_SYS_CNTFRQ (ESR_ELx_CP15_32_ISS_SYS_VAL(0, 0, 14, 0) |\ |
| ESR_ELx_CP15_32_ISS_DIR_READ) |
| |
| #ifndef __ASSEMBLY__ |
| #include <asm/types.h> |
| |
| 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 */ |
