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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 503 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Enrico Weigelt <info@metux.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190602204653.811534538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
332 lines
12 KiB
C
332 lines
12 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2013 - ARM Ltd
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* Author: Marc Zyngier <marc.zyngier@arm.com>
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*/
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#ifndef __ASM_ESR_H
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#define __ASM_ESR_H
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#include <asm/memory.h>
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#include <asm/sysreg.h>
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#define ESR_ELx_EC_UNKNOWN (0x00)
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#define ESR_ELx_EC_WFx (0x01)
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/* Unallocated EC: 0x02 */
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#define ESR_ELx_EC_CP15_32 (0x03)
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#define ESR_ELx_EC_CP15_64 (0x04)
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#define ESR_ELx_EC_CP14_MR (0x05)
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#define ESR_ELx_EC_CP14_LS (0x06)
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#define ESR_ELx_EC_FP_ASIMD (0x07)
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#define ESR_ELx_EC_CP10_ID (0x08) /* EL2 only */
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#define ESR_ELx_EC_PAC (0x09) /* EL2 and above */
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/* Unallocated EC: 0x0A - 0x0B */
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#define ESR_ELx_EC_CP14_64 (0x0C)
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/* Unallocated EC: 0x0d */
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#define ESR_ELx_EC_ILL (0x0E)
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/* Unallocated EC: 0x0F - 0x10 */
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#define ESR_ELx_EC_SVC32 (0x11)
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#define ESR_ELx_EC_HVC32 (0x12) /* EL2 only */
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#define ESR_ELx_EC_SMC32 (0x13) /* EL2 and above */
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/* Unallocated EC: 0x14 */
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#define ESR_ELx_EC_SVC64 (0x15)
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#define ESR_ELx_EC_HVC64 (0x16) /* EL2 and above */
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#define ESR_ELx_EC_SMC64 (0x17) /* EL2 and above */
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#define ESR_ELx_EC_SYS64 (0x18)
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#define ESR_ELx_EC_SVE (0x19)
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/* Unallocated EC: 0x1A - 0x1E */
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#define ESR_ELx_EC_IMP_DEF (0x1f) /* EL3 only */
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#define ESR_ELx_EC_IABT_LOW (0x20)
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#define ESR_ELx_EC_IABT_CUR (0x21)
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#define ESR_ELx_EC_PC_ALIGN (0x22)
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/* Unallocated EC: 0x23 */
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#define ESR_ELx_EC_DABT_LOW (0x24)
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#define ESR_ELx_EC_DABT_CUR (0x25)
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#define ESR_ELx_EC_SP_ALIGN (0x26)
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/* Unallocated EC: 0x27 */
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#define ESR_ELx_EC_FP_EXC32 (0x28)
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/* Unallocated EC: 0x29 - 0x2B */
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#define ESR_ELx_EC_FP_EXC64 (0x2C)
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/* Unallocated EC: 0x2D - 0x2E */
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#define ESR_ELx_EC_SERROR (0x2F)
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#define ESR_ELx_EC_BREAKPT_LOW (0x30)
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#define ESR_ELx_EC_BREAKPT_CUR (0x31)
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#define ESR_ELx_EC_SOFTSTP_LOW (0x32)
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#define ESR_ELx_EC_SOFTSTP_CUR (0x33)
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#define ESR_ELx_EC_WATCHPT_LOW (0x34)
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#define ESR_ELx_EC_WATCHPT_CUR (0x35)
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/* Unallocated EC: 0x36 - 0x37 */
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#define ESR_ELx_EC_BKPT32 (0x38)
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/* Unallocated EC: 0x39 */
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#define ESR_ELx_EC_VECTOR32 (0x3A) /* EL2 only */
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/* Unallocted EC: 0x3B */
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#define ESR_ELx_EC_BRK64 (0x3C)
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/* Unallocated EC: 0x3D - 0x3F */
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#define ESR_ELx_EC_MAX (0x3F)
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#define ESR_ELx_EC_SHIFT (26)
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#define ESR_ELx_EC_MASK (UL(0x3F) << ESR_ELx_EC_SHIFT)
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#define ESR_ELx_EC(esr) (((esr) & ESR_ELx_EC_MASK) >> ESR_ELx_EC_SHIFT)
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#define ESR_ELx_IL_SHIFT (25)
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#define ESR_ELx_IL (UL(1) << ESR_ELx_IL_SHIFT)
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#define ESR_ELx_ISS_MASK (ESR_ELx_IL - 1)
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/* ISS field definitions shared by different classes */
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#define ESR_ELx_WNR_SHIFT (6)
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#define ESR_ELx_WNR (UL(1) << ESR_ELx_WNR_SHIFT)
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/* Asynchronous Error Type */
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#define ESR_ELx_IDS_SHIFT (24)
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#define ESR_ELx_IDS (UL(1) << ESR_ELx_IDS_SHIFT)
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#define ESR_ELx_AET_SHIFT (10)
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#define ESR_ELx_AET (UL(0x7) << ESR_ELx_AET_SHIFT)
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#define ESR_ELx_AET_UC (UL(0) << ESR_ELx_AET_SHIFT)
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#define ESR_ELx_AET_UEU (UL(1) << ESR_ELx_AET_SHIFT)
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#define ESR_ELx_AET_UEO (UL(2) << ESR_ELx_AET_SHIFT)
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#define ESR_ELx_AET_UER (UL(3) << ESR_ELx_AET_SHIFT)
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#define ESR_ELx_AET_CE (UL(6) << ESR_ELx_AET_SHIFT)
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/* Shared ISS field definitions for Data/Instruction aborts */
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#define ESR_ELx_SET_SHIFT (11)
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#define ESR_ELx_SET_MASK (UL(3) << ESR_ELx_SET_SHIFT)
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#define ESR_ELx_FnV_SHIFT (10)
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#define ESR_ELx_FnV (UL(1) << ESR_ELx_FnV_SHIFT)
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#define ESR_ELx_EA_SHIFT (9)
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#define ESR_ELx_EA (UL(1) << ESR_ELx_EA_SHIFT)
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#define ESR_ELx_S1PTW_SHIFT (7)
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#define ESR_ELx_S1PTW (UL(1) << ESR_ELx_S1PTW_SHIFT)
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/* Shared ISS fault status code(IFSC/DFSC) for Data/Instruction aborts */
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#define ESR_ELx_FSC (0x3F)
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#define ESR_ELx_FSC_TYPE (0x3C)
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#define ESR_ELx_FSC_EXTABT (0x10)
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#define ESR_ELx_FSC_SERROR (0x11)
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#define ESR_ELx_FSC_ACCESS (0x08)
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#define ESR_ELx_FSC_FAULT (0x04)
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#define ESR_ELx_FSC_PERM (0x0C)
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/* ISS field definitions for Data Aborts */
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#define ESR_ELx_ISV_SHIFT (24)
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#define ESR_ELx_ISV (UL(1) << ESR_ELx_ISV_SHIFT)
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#define ESR_ELx_SAS_SHIFT (22)
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#define ESR_ELx_SAS (UL(3) << ESR_ELx_SAS_SHIFT)
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#define ESR_ELx_SSE_SHIFT (21)
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#define ESR_ELx_SSE (UL(1) << ESR_ELx_SSE_SHIFT)
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#define ESR_ELx_SRT_SHIFT (16)
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#define ESR_ELx_SRT_MASK (UL(0x1F) << ESR_ELx_SRT_SHIFT)
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#define ESR_ELx_SF_SHIFT (15)
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#define ESR_ELx_SF (UL(1) << ESR_ELx_SF_SHIFT)
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#define ESR_ELx_AR_SHIFT (14)
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#define ESR_ELx_AR (UL(1) << ESR_ELx_AR_SHIFT)
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#define ESR_ELx_CM_SHIFT (8)
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#define ESR_ELx_CM (UL(1) << ESR_ELx_CM_SHIFT)
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/* ISS field definitions for exceptions taken in to Hyp */
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#define ESR_ELx_CV (UL(1) << 24)
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#define ESR_ELx_COND_SHIFT (20)
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#define ESR_ELx_COND_MASK (UL(0xF) << ESR_ELx_COND_SHIFT)
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#define ESR_ELx_WFx_ISS_TI (UL(1) << 0)
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#define ESR_ELx_WFx_ISS_WFI (UL(0) << 0)
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#define ESR_ELx_WFx_ISS_WFE (UL(1) << 0)
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#define ESR_ELx_xVC_IMM_MASK ((1UL << 16) - 1)
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#define DISR_EL1_IDS (UL(1) << 24)
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/*
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* DISR_EL1 and ESR_ELx share the bottom 13 bits, but the RES0 bits may mean
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* different things in the future...
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*/
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#define DISR_EL1_ESR_MASK (ESR_ELx_AET | ESR_ELx_EA | ESR_ELx_FSC)
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/* ESR value templates for specific events */
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#define ESR_ELx_WFx_MASK (ESR_ELx_EC_MASK | ESR_ELx_WFx_ISS_TI)
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#define ESR_ELx_WFx_WFI_VAL ((ESR_ELx_EC_WFx << ESR_ELx_EC_SHIFT) | \
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ESR_ELx_WFx_ISS_WFI)
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/* BRK instruction trap from AArch64 state */
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#define ESR_ELx_BRK64_ISS_COMMENT_MASK 0xffff
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/* ISS field definitions for System instruction traps */
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#define ESR_ELx_SYS64_ISS_RES0_SHIFT 22
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#define ESR_ELx_SYS64_ISS_RES0_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_RES0_SHIFT)
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#define ESR_ELx_SYS64_ISS_DIR_MASK 0x1
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#define ESR_ELx_SYS64_ISS_DIR_READ 0x1
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#define ESR_ELx_SYS64_ISS_DIR_WRITE 0x0
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#define ESR_ELx_SYS64_ISS_RT_SHIFT 5
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#define ESR_ELx_SYS64_ISS_RT_MASK (UL(0x1f) << ESR_ELx_SYS64_ISS_RT_SHIFT)
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#define ESR_ELx_SYS64_ISS_CRM_SHIFT 1
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#define ESR_ELx_SYS64_ISS_CRM_MASK (UL(0xf) << ESR_ELx_SYS64_ISS_CRM_SHIFT)
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#define ESR_ELx_SYS64_ISS_CRN_SHIFT 10
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#define ESR_ELx_SYS64_ISS_CRN_MASK (UL(0xf) << ESR_ELx_SYS64_ISS_CRN_SHIFT)
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#define ESR_ELx_SYS64_ISS_OP1_SHIFT 14
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#define ESR_ELx_SYS64_ISS_OP1_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_OP1_SHIFT)
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#define ESR_ELx_SYS64_ISS_OP2_SHIFT 17
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#define ESR_ELx_SYS64_ISS_OP2_MASK (UL(0x7) << ESR_ELx_SYS64_ISS_OP2_SHIFT)
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#define ESR_ELx_SYS64_ISS_OP0_SHIFT 20
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#define ESR_ELx_SYS64_ISS_OP0_MASK (UL(0x3) << ESR_ELx_SYS64_ISS_OP0_SHIFT)
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#define ESR_ELx_SYS64_ISS_SYS_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \
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ESR_ELx_SYS64_ISS_OP1_MASK | \
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ESR_ELx_SYS64_ISS_OP2_MASK | \
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ESR_ELx_SYS64_ISS_CRN_MASK | \
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ESR_ELx_SYS64_ISS_CRM_MASK)
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#define ESR_ELx_SYS64_ISS_SYS_VAL(op0, op1, op2, crn, crm) \
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(((op0) << ESR_ELx_SYS64_ISS_OP0_SHIFT) | \
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((op1) << ESR_ELx_SYS64_ISS_OP1_SHIFT) | \
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((op2) << ESR_ELx_SYS64_ISS_OP2_SHIFT) | \
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((crn) << ESR_ELx_SYS64_ISS_CRN_SHIFT) | \
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((crm) << ESR_ELx_SYS64_ISS_CRM_SHIFT))
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#define ESR_ELx_SYS64_ISS_SYS_OP_MASK (ESR_ELx_SYS64_ISS_SYS_MASK | \
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ESR_ELx_SYS64_ISS_DIR_MASK)
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#define ESR_ELx_SYS64_ISS_RT(esr) \
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(((esr) & ESR_ELx_SYS64_ISS_RT_MASK) >> ESR_ELx_SYS64_ISS_RT_SHIFT)
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/*
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* User space cache operations have the following sysreg encoding
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* in System instructions.
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* op0=1, op1=3, op2=1, crn=7, crm={ 5, 10, 11, 12, 13, 14 }, WRITE (L=0)
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*/
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#define ESR_ELx_SYS64_ISS_CRM_DC_CIVAC 14
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#define ESR_ELx_SYS64_ISS_CRM_DC_CVADP 13
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#define ESR_ELx_SYS64_ISS_CRM_DC_CVAP 12
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#define ESR_ELx_SYS64_ISS_CRM_DC_CVAU 11
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#define ESR_ELx_SYS64_ISS_CRM_DC_CVAC 10
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#define ESR_ELx_SYS64_ISS_CRM_IC_IVAU 5
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#define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \
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ESR_ELx_SYS64_ISS_OP1_MASK | \
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ESR_ELx_SYS64_ISS_OP2_MASK | \
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ESR_ELx_SYS64_ISS_CRN_MASK | \
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ESR_ELx_SYS64_ISS_DIR_MASK)
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#define ESR_ELx_SYS64_ISS_EL0_CACHE_OP_VAL \
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(ESR_ELx_SYS64_ISS_SYS_VAL(1, 3, 1, 7, 0) | \
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ESR_ELx_SYS64_ISS_DIR_WRITE)
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/*
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* User space MRS operations which are supported for emulation
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* have the following sysreg encoding in System instructions.
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* op0 = 3, op1= 0, crn = 0, {crm = 0, 4-7}, READ (L = 1)
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*/
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#define ESR_ELx_SYS64_ISS_SYS_MRS_OP_MASK (ESR_ELx_SYS64_ISS_OP0_MASK | \
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ESR_ELx_SYS64_ISS_OP1_MASK | \
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ESR_ELx_SYS64_ISS_CRN_MASK | \
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ESR_ELx_SYS64_ISS_DIR_MASK)
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#define ESR_ELx_SYS64_ISS_SYS_MRS_OP_VAL \
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(ESR_ELx_SYS64_ISS_SYS_VAL(3, 0, 0, 0, 0) | \
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ESR_ELx_SYS64_ISS_DIR_READ)
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#define ESR_ELx_SYS64_ISS_SYS_CTR ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 1, 0, 0)
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#define ESR_ELx_SYS64_ISS_SYS_CTR_READ (ESR_ELx_SYS64_ISS_SYS_CTR | \
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ESR_ELx_SYS64_ISS_DIR_READ)
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#define ESR_ELx_SYS64_ISS_SYS_CNTVCT (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 2, 14, 0) | \
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ESR_ELx_SYS64_ISS_DIR_READ)
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#define ESR_ELx_SYS64_ISS_SYS_CNTFRQ (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 0, 14, 0) | \
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ESR_ELx_SYS64_ISS_DIR_READ)
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#define esr_sys64_to_sysreg(e) \
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sys_reg((((e) & ESR_ELx_SYS64_ISS_OP0_MASK) >> \
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ESR_ELx_SYS64_ISS_OP0_SHIFT), \
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(((e) & ESR_ELx_SYS64_ISS_OP1_MASK) >> \
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ESR_ELx_SYS64_ISS_OP1_SHIFT), \
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(((e) & ESR_ELx_SYS64_ISS_CRN_MASK) >> \
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ESR_ELx_SYS64_ISS_CRN_SHIFT), \
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(((e) & ESR_ELx_SYS64_ISS_CRM_MASK) >> \
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ESR_ELx_SYS64_ISS_CRM_SHIFT), \
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(((e) & ESR_ELx_SYS64_ISS_OP2_MASK) >> \
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ESR_ELx_SYS64_ISS_OP2_SHIFT))
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#define esr_cp15_to_sysreg(e) \
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sys_reg(3, \
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(((e) & ESR_ELx_SYS64_ISS_OP1_MASK) >> \
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ESR_ELx_SYS64_ISS_OP1_SHIFT), \
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(((e) & ESR_ELx_SYS64_ISS_CRN_MASK) >> \
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ESR_ELx_SYS64_ISS_CRN_SHIFT), \
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(((e) & ESR_ELx_SYS64_ISS_CRM_MASK) >> \
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ESR_ELx_SYS64_ISS_CRM_SHIFT), \
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(((e) & ESR_ELx_SYS64_ISS_OP2_MASK) >> \
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ESR_ELx_SYS64_ISS_OP2_SHIFT))
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/*
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* ISS field definitions for floating-point exception traps
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* (FP_EXC_32/FP_EXC_64).
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*
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* (The FPEXC_* constants are used instead for common bits.)
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*/
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#define ESR_ELx_FP_EXC_TFV (UL(1) << 23)
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/*
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* ISS field definitions for CP15 accesses
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*/
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#define ESR_ELx_CP15_32_ISS_DIR_MASK 0x1
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#define ESR_ELx_CP15_32_ISS_DIR_READ 0x1
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#define ESR_ELx_CP15_32_ISS_DIR_WRITE 0x0
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#define ESR_ELx_CP15_32_ISS_RT_SHIFT 5
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#define ESR_ELx_CP15_32_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_32_ISS_RT_SHIFT)
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#define ESR_ELx_CP15_32_ISS_CRM_SHIFT 1
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#define ESR_ELx_CP15_32_ISS_CRM_MASK (UL(0xf) << ESR_ELx_CP15_32_ISS_CRM_SHIFT)
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#define ESR_ELx_CP15_32_ISS_CRN_SHIFT 10
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#define ESR_ELx_CP15_32_ISS_CRN_MASK (UL(0xf) << ESR_ELx_CP15_32_ISS_CRN_SHIFT)
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#define ESR_ELx_CP15_32_ISS_OP1_SHIFT 14
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#define ESR_ELx_CP15_32_ISS_OP1_MASK (UL(0x7) << ESR_ELx_CP15_32_ISS_OP1_SHIFT)
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#define ESR_ELx_CP15_32_ISS_OP2_SHIFT 17
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#define ESR_ELx_CP15_32_ISS_OP2_MASK (UL(0x7) << ESR_ELx_CP15_32_ISS_OP2_SHIFT)
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#define ESR_ELx_CP15_32_ISS_SYS_MASK (ESR_ELx_CP15_32_ISS_OP1_MASK | \
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ESR_ELx_CP15_32_ISS_OP2_MASK | \
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ESR_ELx_CP15_32_ISS_CRN_MASK | \
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ESR_ELx_CP15_32_ISS_CRM_MASK | \
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ESR_ELx_CP15_32_ISS_DIR_MASK)
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#define ESR_ELx_CP15_32_ISS_SYS_VAL(op1, op2, crn, crm) \
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(((op1) << ESR_ELx_CP15_32_ISS_OP1_SHIFT) | \
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((op2) << ESR_ELx_CP15_32_ISS_OP2_SHIFT) | \
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((crn) << ESR_ELx_CP15_32_ISS_CRN_SHIFT) | \
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((crm) << ESR_ELx_CP15_32_ISS_CRM_SHIFT))
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#define ESR_ELx_CP15_64_ISS_DIR_MASK 0x1
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#define ESR_ELx_CP15_64_ISS_DIR_READ 0x1
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#define ESR_ELx_CP15_64_ISS_DIR_WRITE 0x0
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#define ESR_ELx_CP15_64_ISS_RT_SHIFT 5
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#define ESR_ELx_CP15_64_ISS_RT_MASK (UL(0x1f) << ESR_ELx_CP15_64_ISS_RT_SHIFT)
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#define ESR_ELx_CP15_64_ISS_RT2_SHIFT 10
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#define ESR_ELx_CP15_64_ISS_RT2_MASK (UL(0x1f) << ESR_ELx_CP15_64_ISS_RT2_SHIFT)
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#define ESR_ELx_CP15_64_ISS_OP1_SHIFT 16
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#define ESR_ELx_CP15_64_ISS_OP1_MASK (UL(0xf) << ESR_ELx_CP15_64_ISS_OP1_SHIFT)
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#define ESR_ELx_CP15_64_ISS_CRM_SHIFT 1
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#define ESR_ELx_CP15_64_ISS_CRM_MASK (UL(0xf) << ESR_ELx_CP15_64_ISS_CRM_SHIFT)
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#define ESR_ELx_CP15_64_ISS_SYS_VAL(op1, crm) \
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(((op1) << ESR_ELx_CP15_64_ISS_OP1_SHIFT) | \
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((crm) << ESR_ELx_CP15_64_ISS_CRM_SHIFT))
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#define ESR_ELx_CP15_64_ISS_SYS_MASK (ESR_ELx_CP15_64_ISS_OP1_MASK | \
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ESR_ELx_CP15_64_ISS_CRM_MASK | \
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ESR_ELx_CP15_64_ISS_DIR_MASK)
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#define ESR_ELx_CP15_64_ISS_SYS_CNTVCT (ESR_ELx_CP15_64_ISS_SYS_VAL(1, 14) | \
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ESR_ELx_CP15_64_ISS_DIR_READ)
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#define ESR_ELx_CP15_32_ISS_SYS_CNTFRQ (ESR_ELx_CP15_32_ISS_SYS_VAL(0, 0, 14, 0) |\
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ESR_ELx_CP15_32_ISS_DIR_READ)
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#ifndef __ASSEMBLY__
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#include <asm/types.h>
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static inline bool esr_is_data_abort(u32 esr)
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{
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const u32 ec = ESR_ELx_EC(esr);
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return ec == ESR_ELx_EC_DABT_LOW || ec == ESR_ELx_EC_DABT_CUR;
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}
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const char *esr_get_class_string(u32 esr);
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#endif /* __ASSEMBLY */
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#endif /* __ASM_ESR_H */
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