1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ARCH_ARM_FAULT_H
 3#define __ARCH_ARM_FAULT_H
 4
 5/*
 6 * Fault status register encodings.  We steal bit 31 for our own purposes.
 7 */
 8#define FSR_LNX_PF		(1 << 31)
 9#define FSR_CM			(1 << 13)
10#define FSR_WRITE		(1 << 11)
11#define FSR_FS4			(1 << 10)
12#define FSR_FS3_0		(15)
13#define FSR_FS5_0		(0x3f)
14
15#ifdef CONFIG_ARM_LPAE
16#define FSR_FS_AEA		17
17
18static inline int fsr_fs(unsigned int fsr)
19{
20	return fsr & FSR_FS5_0;
21}
22#else
23#define FSR_FS_AEA		22
24
25static inline int fsr_fs(unsigned int fsr)
26{
27	return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6;
28}
29#endif
30
31void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
32void early_abt_enable(void);
33
34#endif	/* __ARCH_ARM_FAULT_H */

 
 1#ifndef __ARCH_ARM_FAULT_H
 2#define __ARCH_ARM_FAULT_H
 3
 4/*
 5 * Fault status register encodings.  We steal bit 31 for our own purposes.
 6 */
 7#define FSR_LNX_PF		(1 << 31)
 
 8#define FSR_WRITE		(1 << 11)
 9#define FSR_FS4			(1 << 10)
10#define FSR_FS3_0		(15)
11#define FSR_FS5_0		(0x3f)
12
13#ifdef CONFIG_ARM_LPAE
14#define FSR_FS_AEA		17
15
16static inline int fsr_fs(unsigned int fsr)
17{
18	return fsr & FSR_FS5_0;
19}
20#else
21#define FSR_FS_AEA		22
22
23static inline int fsr_fs(unsigned int fsr)
24{
25	return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6;
26}
27#endif
28
29void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
30void early_abt_enable(void);
31
32#endif	/* __ARCH_ARM_FAULT_H */