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__) 9 static 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 20 static 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 31 static 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