From 745452704ae073df82fc2c4f7a031d1d1ec78bf0 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 14 Mar 2018 11:02:33 +0100 Subject: ARM: aarch64: Add esr strings The Exception Syndrome Register (ESR) holds information over an exception. This adds the strings necessary to dispatch this information. Based on Linux code. Signed-off-by: Sascha Hauer --- arch/arm/include/asm/esr.h | 117 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 arch/arm/include/asm/esr.h (limited to 'arch/arm/include') diff --git a/arch/arm/include/asm/esr.h b/arch/arm/include/asm/esr.h new file mode 100644 index 0000000000..77eeb2cc64 --- /dev/null +++ b/arch/arm/include/asm/esr.h @@ -0,0 +1,117 @@ +/* + * 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 + +#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_IL (UL(1) << 25) +#define ESR_ELx_ISS_MASK (ESR_ELx_IL - 1) +#define ESR_ELx_ISV (UL(1) << 24) +#define ESR_ELx_SAS_SHIFT (22) +#define ESR_ELx_SAS (UL(3) << ESR_ELx_SAS_SHIFT) +#define ESR_ELx_SSE (UL(1) << 21) +#define ESR_ELx_SRT_SHIFT (16) +#define ESR_ELx_SRT_MASK (UL(0x1F) << ESR_ELx_SRT_SHIFT) +#define ESR_ELx_SF (UL(1) << 15) +#define ESR_ELx_AR (UL(1) << 14) +#define ESR_ELx_EA (UL(1) << 9) +#define ESR_ELx_CM (UL(1) << 8) +#define ESR_ELx_S1PTW (UL(1) << 7) +#define ESR_ELx_WNR (UL(1) << 6) +#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) +#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)) + +#ifndef __ASSEMBLY__ +#include + +const char *esr_get_class_string(u32 esr); +#endif /* __ASSEMBLY */ + +#endif /* __ASM_ESR_H */ -- cgit v1.2.3