| 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 | static inline int fsr_fs(unsigned int fsr) |
| 15 | { |
| 16 | return fsr & FSR_FS5_0; |
| 17 | } |
| 18 | #else |
| 19 | static inline int fsr_fs(unsigned int fsr) |
| 20 | { |
| 21 | return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6; |
| 22 | } |
| 23 | #endif |
| 24 | |
| 25 | void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs); |
| 26 | unsigned long search_exception_table(unsigned long addr); |
| 27 | void early_abt_enable(void); |
| 28 | |
| 29 | #endif /* __ARCH_ARM_FAULT_H */ |