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 */