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