1 /* 2 * Based on arch/arm/include/asm/exception.h 3 * 4 * Copyright (C) 2012 ARM Ltd. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 #ifndef __ASM_EXCEPTION_H 19 #define __ASM_EXCEPTION_H 20 21 #include <asm/esr.h> 22 23 #include <linux/interrupt.h> 24 25 #define __exception __attribute__((section(".exception.text"))) 26 #ifdef CONFIG_FUNCTION_GRAPH_TRACER 27 #define __exception_irq_entry __irq_entry 28 #else 29 #define __exception_irq_entry __exception 30 #endif 31 32 static inline u32 disr_to_esr(u64 disr) 33 { 34 unsigned int esr = ESR_ELx_EC_SERROR << ESR_ELx_EC_SHIFT; 35 36 if ((disr & DISR_EL1_IDS) == 0) 37 esr |= (disr & DISR_EL1_ESR_MASK); 38 else 39 esr |= (disr & ESR_ELx_ISS_MASK); 40 41 return esr; 42 } 43 44 #endif /* __ASM_EXCEPTION_H */ 45