1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Based on arch/arm/include/asm/exception.h 4 * 5 * Copyright (C) 2012 ARM Ltd. 6 */ 7 #ifndef __ASM_EXCEPTION_H 8 #define __ASM_EXCEPTION_H 9 10 #include <asm/esr.h> 11 12 #include <linux/interrupt.h> 13 14 #define __exception __attribute__((section(".exception.text"))) 15 #ifdef CONFIG_FUNCTION_GRAPH_TRACER 16 #define __exception_irq_entry __irq_entry 17 #else 18 #define __exception_irq_entry __exception 19 #endif 20 21 static inline u32 disr_to_esr(u64 disr) 22 { 23 unsigned int esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT; 24 25 if ((disr & DISR_EL1_IDS) == 0) 26 esr |= (disr & DISR_EL1_ESR_MASK); 27 else 28 esr |= (disr & ESR_ELx_ISS_MASK); 29 30 return esr; 31 } 32 33 asmlinkage void enter_from_user_mode(void); 34 35 #endif /* __ASM_EXCEPTION_H */ 36