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 <linux/interrupt.h>
22
23#define __exception	__attribute__((section(".exception.text")))
24#ifdef CONFIG_FUNCTION_GRAPH_TRACER
25#define __exception_irq_entry	__irq_entry
26#else
27#define __exception_irq_entry	__exception
28#endif
 
 
 
 
 
 
 
 
 
 
 
 
 
 
29
30#endif	/* __ASM_EXCEPTION_H */

 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
21static 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
33asmlinkage void enter_from_user_mode(void);
34
35#endif	/* __ASM_EXCEPTION_H */