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Catalin Marinas136848d2011-11-22 17:30:28 +00001#ifndef __ARCH_ARM_FAULT_H
2#define __ARCH_ARM_FAULT_H
Linus Torvalds1da177e2005-04-16 15:20:36 -07003
Catalin Marinas136848d2011-11-22 17:30:28 +00004/*
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)
Catalin Marinasf7b81562011-11-22 17:30:31 +000011#define FSR_FS5_0 (0x3f)
Catalin Marinas136848d2011-11-22 17:30:28 +000012
Catalin Marinasf7b81562011-11-22 17:30:31 +000013#ifdef CONFIG_ARM_LPAE
14static inline int fsr_fs(unsigned int fsr)
15{
16 return fsr & FSR_FS5_0;
17}
18#else
Catalin Marinas136848d2011-11-22 17:30:28 +000019static inline int fsr_fs(unsigned int fsr)
20{
21 return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6;
22}
Catalin Marinasf7b81562011-11-22 17:30:31 +000023#endif
Catalin Marinas136848d2011-11-22 17:30:28 +000024
25void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
Linus Torvalds1da177e2005-04-16 15:20:36 -070026unsigned long search_exception_table(unsigned long addr);
Lucas Stach92549702015-10-19 13:38:09 +010027void early_abt_enable(void);
Catalin Marinas136848d2011-11-22 17:30:28 +000028
29#endif /* __ARCH_ARM_FAULT_H */