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| author | John Stultz <john.stultz@linaro.org> | 2011-11-11 15:29:25 -0800 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2011-11-11 15:29:25 -0800 |
| commit | c3e5127312f97482a6a09c0df602c726675eff5b (patch) | |
| tree | 9082d8201a1daac5ff019ef50322d551711eb250 /arch/arm/mm/fault.h | |
| parent | 5e537f041bd05cddee0d2a2fb3013ee642064cc6 (diff) | |
| parent | f171dfebbdf1de4b6ca267285739e190f95f84cc (diff) | |
Merge branch 'upstream/linaro-3.1' into linaro-android-3.1-agreen-rebaselinux-linaro-3.1-2011.11-0-android-0
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 49e9e3804de..cf08bdfbe0d 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 */ |