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_WRITE (1 << 11) 10 #define FSR_FS4 (1 << 10) 11 #define FSR_FS3_0 (15) 12 #define FSR_FS5_0 (0x3f) 13 14 #ifdef CONFIG_ARM_LPAE 15 #define FSR_FS_AEA 17 16 17 static inline int fsr_fs(unsigned int fsr) 18 { 19 return fsr & FSR_FS5_0; 20 } 21 #else 22 #define FSR_FS_AEA 22 23 24 static inline int fsr_fs(unsigned int fsr) 25 { 26 return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6; 27 } 28 #endif 29 30 void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs); 31 void early_abt_enable(void); 32 33 #endif /* __ARCH_ARM_FAULT_H */ 34