47 lines
1 KiB
C
47 lines
1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
#ifndef _SPARC_SWAB_H
|
|
#define _SPARC_SWAB_H
|
|
|
|
#include <linux/types.h>
|
|
#include <asm/asi.h>
|
|
|
|
#if defined(__sparc__) && defined(__arch64__)
|
|
static inline __u16 __arch_swab16p(const __u16 *addr)
|
|
{
|
|
__u16 ret;
|
|
|
|
__asm__ __volatile__ ("lduha [%2] %3, %0"
|
|
: "=r" (ret)
|
|
: "m" (*addr), "r" (addr), "i" (ASI_PL));
|
|
return ret;
|
|
}
|
|
#define __arch_swab16p __arch_swab16p
|
|
|
|
static inline __u32 __arch_swab32p(const __u32 *addr)
|
|
{
|
|
__u32 ret;
|
|
|
|
__asm__ __volatile__ ("lduwa [%2] %3, %0"
|
|
: "=r" (ret)
|
|
: "m" (*addr), "r" (addr), "i" (ASI_PL));
|
|
return ret;
|
|
}
|
|
#define __arch_swab32p __arch_swab32p
|
|
|
|
static inline __u64 __arch_swab64p(const __u64 *addr)
|
|
{
|
|
__u64 ret;
|
|
|
|
__asm__ __volatile__ ("ldxa [%2] %3, %0"
|
|
: "=r" (ret)
|
|
: "m" (*addr), "r" (addr), "i" (ASI_PL));
|
|
return ret;
|
|
}
|
|
#define __arch_swab64p __arch_swab64p
|
|
|
|
#else
|
|
#define __SWAB_64_THRU_32__
|
|
#endif /* defined(__sparc__) && defined(__arch64__) */
|
|
|
|
#endif /* _SPARC_SWAB_H */
|