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| author | Olof Johansson <olof@lixom.net> | 2011-12-19 21:12:47 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2011-12-19 21:12:53 -0800 |
| commit | 4b3ee30b5201ddeefdc56ad32b6bbc1fab8b084a (patch) | |
| tree | 0ac643f1a0c57a88452ef017c61d325fab98d00a /arch/arm/mm/fault.h | |
| parent | f68453e076dcf140c4a7bdd385f239b1e41be983 (diff) | |
| parent | 1b46f8782c2607afa1298b0c7f7fe307fc0f7a5b (diff) | |
Merge branch 'picoxcell/devel' into next/devel
* picoxcell/devel: (1 commit)
ARM: picoxcell: implement watchdog restart
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 */ |