| /* |
| * Copyright (C) 2013 - ARM Ltd |
| * Author: Marc Zyngier <marc.zyngier@arm.com> |
| * |
| * 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 <http://www.gnu.org/licenses/>. |
| */ |
| |
| #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) |
| /* 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) |
| /* Unallocated EC: 0x19 - 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) |
| |
| /* 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_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) |
| |
| /* 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) |
| /* |
| * 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) |
| |
| #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)) |
| |
| #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 */ |
