| /* 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 */ |
