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 16 static inline int fsr_fs(unsigned int fsr) 17 { 18 return fsr & FSR_FS5_0; 19 } 20 #else 21 #define FSR_FS_AEA 22 22 23 static inline int fsr_fs(unsigned int fsr) 24 { 25 return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6; 26 } 27 #endif 28 29 void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs); 30 void early_abt_enable(void); 31 32 #endif /* __ARCH_ARM_FAULT_H */ 33