diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-05 13:24:33 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-05 13:24:33 +0000 |
| commit | 2e0e943436912ffe0848ece58167edfe754edb96 (patch) | |
| tree | b91919095c74742fa06e2105db6d859bee39b2b4 /arch/arm/mm/fault.h | |
| parent | a32737e1ca650504f172292dd344eb64c02311f3 (diff) | |
| parent | ef3a0bf5bfadbace156fa2a3b9c753df2de41df2 (diff) | |
Merge branch 'devel-stable' into for-linus
Conflicts:
arch/arm/kernel/setup.c
arch/arm/mach-shmobile/board-kota2.c
Diffstat (limited to 'arch/arm/mm/fault.h')
| -rw-r--r-- | arch/arm/mm/fault.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h index 49e9e3804de4..cf08bdfbe0d6 100644 --- a/arch/arm/mm/fault.h +++ b/arch/arm/mm/fault.h @@ -1,3 +1,28 @@ -void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs); +#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 */ |