include/asm-generic/unaligned.h

   1 #ifndef __ASM_GENERIC_UNALIGNED_H
   2 #define __ASM_GENERIC_UNALIGNED_H
   3
   4 /*
   5  * This is the most generic implementation of unaligned accesses
   6  * and should work almost anywhere.
   7  *
   8  * If an architecture can handle unaligned accesses in hardware,
   9  * it may want to use the linux/unaligned/access_ok.h implementation
  10  * instead.
  11  */
  12 #include <asm/byteorder.h>
  13
  14 #if defined(__LITTLE_ENDIAN)
  15 # include <linux/unaligned/le_struct.h>
  16 # include <linux/unaligned/be_byteshift.h>
  17 # include <linux/unaligned/generic.h>
  18 # define get_unaligned  __get_unaligned_le
  19 # define put_unaligned  __put_unaligned_le
  20 #elif defined(__BIG_ENDIAN)
  21 # include <linux/unaligned/be_struct.h>
  22 # include <linux/unaligned/le_byteshift.h>
  23 # include <linux/unaligned/generic.h>
  24 # define get_unaligned  __get_unaligned_be
  25 # define put_unaligned  __put_unaligned_be
  26 #else
  27 # error need to define endianess
  28 #endif
  29
  30 #endif /* __ASM_GENERIC_UNALIGNED_H */