diff options
Diffstat (limited to 'arch/tile/include/asm/unaligned.h')
| -rw-r--r-- | arch/tile/include/asm/unaligned.h | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/arch/tile/include/asm/unaligned.h b/arch/tile/include/asm/unaligned.h index 137e2de5b10..5a58a0d1144 100644 --- a/arch/tile/include/asm/unaligned.h +++ b/arch/tile/include/asm/unaligned.h @@ -15,10 +15,29 @@ #ifndef _ASM_TILE_UNALIGNED_H #define _ASM_TILE_UNALIGNED_H -#include <linux/unaligned/le_struct.h> -#include <linux/unaligned/be_byteshift.h> -#include <linux/unaligned/generic.h> -#define get_unaligned __get_unaligned_le -#define put_unaligned __put_unaligned_le +/* + * We could implement faster get_unaligned_[be/le]64 using the ldna + * instruction on tilegx; however, we need to either copy all of the + * other generic functions to here (which is pretty ugly) or else + * modify both the generic code and other arch code to allow arch + * specific unaligned data access functions. Given these functions + * are not often called, we'll stick with the generic version. + */ +#include <asm-generic/unaligned.h> + +/* + * Is the kernel doing fixups of unaligned accesses? If <0, no kernel + * intervention occurs and SIGBUS is delivered with no data address + * info. If 0, the kernel single-steps the instruction to discover + * the data address to provide with the SIGBUS. If 1, the kernel does + * a fixup. + */ +extern int unaligned_fixup; + +/* Is the kernel printing on each unaligned fixup? */ +extern int unaligned_printk; + +/* Number of unaligned fixups performed */ +extern unsigned int unaligned_fixup_count; #endif /* _ASM_TILE_UNALIGNED_H */ |