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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/sparc/include/uapi/asm/swab.h | |
| parent | Initial commit. (diff) | |
| download | linux-upstream/4.19.249.tar.xz linux-upstream/4.19.249.zip | |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sparc/include/uapi/asm/swab.h')
| -rw-r--r-- | arch/sparc/include/uapi/asm/swab.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/sparc/include/uapi/asm/swab.h b/arch/sparc/include/uapi/asm/swab.h new file mode 100644 index 000000000..6b1b3f1ad --- /dev/null +++ b/arch/sparc/include/uapi/asm/swab.h @@ -0,0 +1,46 @@ +/* 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 */ |