diff options
Diffstat (limited to 'kernel/include/asm-generic/unaligned.h')
| -rw-r--r-- | kernel/include/asm-generic/unaligned.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/kernel/include/asm-generic/unaligned.h b/kernel/include/asm-generic/unaligned.h new file mode 100644 index 000000000..1ac097279 --- /dev/null +++ b/kernel/include/asm-generic/unaligned.h @@ -0,0 +1,35 @@ +#ifndef __ASM_GENERIC_UNALIGNED_H +#define __ASM_GENERIC_UNALIGNED_H + +/* + * This is the most generic implementation of unaligned accesses + * and should work almost anywhere. + */ +#include <asm/byteorder.h> + +/* Set by the arch if it can handle unaligned accesses in hardware. */ +#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS +# include <linux/unaligned/access_ok.h> +#endif + +#if defined(__LITTLE_ENDIAN) +# ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS +# include <linux/unaligned/le_struct.h> +# include <linux/unaligned/be_byteshift.h> +# endif +# include <linux/unaligned/generic.h> +# define get_unaligned __get_unaligned_le +# define put_unaligned __put_unaligned_le +#elif defined(__BIG_ENDIAN) +# ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS +# include <linux/unaligned/be_struct.h> +# include <linux/unaligned/le_byteshift.h> +# endif +# include <linux/unaligned/generic.h> +# define get_unaligned __get_unaligned_be +# define put_unaligned __put_unaligned_be +#else +# error need to define endianess +#endif + +#endif /* __ASM_GENERIC_UNALIGNED_H */ |