| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ |