/* SPDX-License-Identifier: GPL-2.0-only */
/* SPDX-FileCopyrightText: 2013 ARM Ltd */

/* Author: Marc Zyngier */

#ifndef __ASM_ESR_H
#define __ASM_ESR_H

#include <asm/memory.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_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 <asm/types.h>

const char *esr_get_class_string(u32 esr);
#endif /* __ASSEMBLY */

#endif /* __ASM_ESR_H */