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 
disr_to_esr(u64 disr)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