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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /include/asm-generic/unaligned.h |
Initial import
Diffstat (limited to 'include/asm-generic/unaligned.h')
-rw-r--r-- | include/asm-generic/unaligned.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h new file mode 100644 index 000000000..1ac097279 --- /dev/null +++ b/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 */ |