include/linux/unaligned/memmove.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_UNALIGNED_MEMMOVE_H
   3 #define _LINUX_UNALIGNED_MEMMOVE_H
   4
   5 #include <linux/kernel.h>
   6 #include <linux/string.h>
   7
   8 /* Use memmove here, so gcc does not insert a __builtin_memcpy. */
   9
  10 static inline u16 __get_unaligned_memmove16(const void *p)
  11 {
  12         u16 tmp;
  13         memmove(&tmp, p, 2);
  14         return tmp;
  15 }
  16
  17 static inline u32 __get_unaligned_memmove32(const void *p)
  18 {
  19         u32 tmp;
  20         memmove(&tmp, p, 4);
  21         return tmp;
  22 }
  23
  24 static inline u64 __get_unaligned_memmove64(const void *p)
  25 {
  26         u64 tmp;
  27         memmove(&tmp, p, 8);
  28         return tmp;
  29 }
  30
  31 static inline void __put_unaligned_memmove16(u16 val, void *p)
  32 {
  33         memmove(p, &val, 2);
  34 }
  35
  36 static inline void __put_unaligned_memmove32(u32 val, void *p)
  37 {
  38         memmove(p, &val, 4);
  39 }
  40
  41 static inline void __put_unaligned_memmove64(u64 val, void *p)
  42 {
  43         memmove(p, &val, 8);
  44 }
  45
  46 #endif /* _LINUX_UNALIGNED_MEMMOVE_H */