diff options
Diffstat (limited to 'arch/arm/mm/fault.h')
| -rw-r--r-- | arch/arm/mm/fault.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h index cf08bdfbe0d6..e8f8c1902544 100644 --- a/arch/arm/mm/fault.h +++ b/arch/arm/mm/fault.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ARCH_ARM_FAULT_H #define __ARCH_ARM_FAULT_H @@ -5,17 +6,29 @@ * Fault status register encodings. We steal bit 31 for our own purposes. */ #define FSR_LNX_PF (1 << 31) +#define FSR_CM (1 << 13) #define FSR_WRITE (1 << 11) #define FSR_FS4 (1 << 10) #define FSR_FS3_0 (15) #define FSR_FS5_0 (0x3f) #ifdef CONFIG_ARM_LPAE +#define FSR_FS_AEA 17 +#define FS_TRANS_NOLL 0x4 +#define FS_PERM_NOLL 0xC +#define FS_MMU_NOLL_MASK 0x3C + static inline int fsr_fs(unsigned int fsr) { return fsr & FSR_FS5_0; } #else +#define FSR_FS_AEA 22 +#define FS_L1_TRANS 0x5 +#define FS_L2_TRANS 0x7 +#define FS_L1_PERM 0xD +#define FS_L2_PERM 0xF + static inline int fsr_fs(unsigned int fsr) { return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6; @@ -23,6 +36,10 @@ static inline int fsr_fs(unsigned int fsr) #endif void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs); -unsigned long search_exception_table(unsigned long addr); +void early_abt_enable(void); +asmlinkage void do_DataAbort(unsigned long addr, unsigned int fsr, + struct pt_regs *regs); +asmlinkage void do_PrefetchAbort(unsigned long addr, unsigned int ifsr, + struct pt_regs *regs); #endif /* __ARCH_ARM_FAULT_H */ |