1*6f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 254579826SDavid Howells #ifndef _SPARC_SWAB_H 354579826SDavid Howells #define _SPARC_SWAB_H 454579826SDavid Howells 554579826SDavid Howells #include <linux/types.h> 654579826SDavid Howells #include <asm/asi.h> 754579826SDavid Howells 854579826SDavid Howells #if defined(__sparc__) && defined(__arch64__) __arch_swab16p(const __u16 * addr)954579826SDavid Howellsstatic inline __u16 __arch_swab16p(const __u16 *addr) 1054579826SDavid Howells { 1154579826SDavid Howells __u16 ret; 1254579826SDavid Howells 135a2b59d3SDavid S. Miller __asm__ __volatile__ ("lduha [%2] %3, %0" 1454579826SDavid Howells : "=r" (ret) 155a2b59d3SDavid S. Miller : "m" (*addr), "r" (addr), "i" (ASI_PL)); 1654579826SDavid Howells return ret; 1754579826SDavid Howells } 1854579826SDavid Howells #define __arch_swab16p __arch_swab16p 1954579826SDavid Howells __arch_swab32p(const __u32 * addr)2054579826SDavid Howellsstatic inline __u32 __arch_swab32p(const __u32 *addr) 2154579826SDavid Howells { 2254579826SDavid Howells __u32 ret; 2354579826SDavid Howells 245a2b59d3SDavid S. Miller __asm__ __volatile__ ("lduwa [%2] %3, %0" 2554579826SDavid Howells : "=r" (ret) 265a2b59d3SDavid S. Miller : "m" (*addr), "r" (addr), "i" (ASI_PL)); 2754579826SDavid Howells return ret; 2854579826SDavid Howells } 2954579826SDavid Howells #define __arch_swab32p __arch_swab32p 3054579826SDavid Howells __arch_swab64p(const __u64 * addr)3154579826SDavid Howellsstatic inline __u64 __arch_swab64p(const __u64 *addr) 3254579826SDavid Howells { 3354579826SDavid Howells __u64 ret; 3454579826SDavid Howells 355a2b59d3SDavid S. Miller __asm__ __volatile__ ("ldxa [%2] %3, %0" 3654579826SDavid Howells : "=r" (ret) 375a2b59d3SDavid S. Miller : "m" (*addr), "r" (addr), "i" (ASI_PL)); 3854579826SDavid Howells return ret; 3954579826SDavid Howells } 4054579826SDavid Howells #define __arch_swab64p __arch_swab64p 4154579826SDavid Howells 4254579826SDavid Howells #else 4354579826SDavid Howells #define __SWAB_64_THRU_32__ 4454579826SDavid Howells #endif /* defined(__sparc__) && defined(__arch64__) */ 4554579826SDavid Howells 4654579826SDavid Howells #endif /* _SPARC_SWAB_H */ 47