fault.h

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#ifndef __ARCH_ARM_FAULT_H
#define __ARCH_ARM_FAULT_H

/*
 * Fault status register encodings.  We steal bit 31 for our own purposes.
 */
#define FSR_LNX_PF      (1 << 31)
#define FSR_WRITE       (1 << 11)
#define FSR_FS4         (1 << 10)
#define FSR_FS3_0       (15)
#define FSR_FS5_0       (0x3f)

#ifdef CONFIG_ARM_LPAE
static inline int fsr_fs(unsigned int fsr)
{
    return fsr & FSR_FS5_0;
}
#else
static inline int fsr_fs(unsigned int fsr)
{
    return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6;
}
#endif

void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
unsigned long search_exception_table(unsigned long addr);

#endif  /* __ARCH_ARM_FAULT_H */