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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
136848d4 CM |
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_WRITE (1 << 11) | |
10 | #define FSR_FS4 (1 << 10) | |
11 | #define FSR_FS3_0 (15) | |
f7b8156d | 12 | #define FSR_FS5_0 (0x3f) |
136848d4 | 13 | |
f7b8156d | 14 | #ifdef CONFIG_ARM_LPAE |
97a98ae5 AS |
15 | #define FSR_FS_AEA 17 |
16 | ||
f7b8156d CM |
17 | static inline int fsr_fs(unsigned int fsr) |
18 | { | |
19 | return fsr & FSR_FS5_0; | |
20 | } | |
21 | #else | |
97a98ae5 AS |
22 | #define FSR_FS_AEA 22 |
23 | ||
136848d4 CM |
24 | static inline int fsr_fs(unsigned int fsr) |
25 | { | |
26 | return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6; | |
27 | } | |
f7b8156d | 28 | #endif |
1da177e4 | 29 | |
136848d4 | 30 | void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs); |
9254970c | 31 | void early_abt_enable(void); |
136848d4 CM |
32 | |
33 | #endif /* __ARCH_ARM_FAULT_H */ |