LXR linux/arch/sparc/include/uapi/asm/swab.h

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef _SPARC_SWAB_H
   3#define _SPARC_SWAB_H
   4
   5#include <linux/types.h>
   6#include <asm/asi.h>
   7
   8#if defined(__sparc__) && defined(__arch64__)
   9static inline __u16 __arch_swab16p(const __u16 *addr)
  10{
  11        __u16 ret;
  12
  13        __asm__ __volatile__ ("lduha [%2] %3, %0"
  14                              : "=r" (ret)
  15                              : "m" (*addr), "r" (addr), "i" (ASI_PL));
  16        return ret;
  17}
  18#define __arch_swab16p __arch_swab16p
  19
  20static inline __u32 __arch_swab32p(const __u32 *addr)
  21{
  22        __u32 ret;
  23
  24        __asm__ __volatile__ ("lduwa [%2] %3, %0"
  25                              : "=r" (ret)
  26                              : "m" (*addr), "r" (addr), "i" (ASI_PL));
  27        return ret;
  28}
  29#define __arch_swab32p __arch_swab32p
  30
  31static inline __u64 __arch_swab64p(const __u64 *addr)
  32{
  33        __u64 ret;
  34
  35        __asm__ __volatile__ ("ldxa [%2] %3, %0"
  36                              : "=r" (ret)
  37                              : "m" (*addr), "r" (addr), "i" (ASI_PL));
  38        return ret;
  39}
  40#define __arch_swab64p __arch_swab64p
  41
  42#else
  43#define __SWAB_64_THRU_32__
  44#endif /* defined(__sparc__) && defined(__arch64__) */
  45
  46#endif /* _SPARC_SWAB_H */
  47