From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/sparc/include/uapi/asm/swab.h | 45 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 arch/sparc/include/uapi/asm/swab.h (limited to 'arch/sparc/include/uapi/asm/swab.h') diff --git a/arch/sparc/include/uapi/asm/swab.h b/arch/sparc/include/uapi/asm/swab.h new file mode 100644 index 00000000..4c7c12d6 --- /dev/null +++ b/arch/sparc/include/uapi/asm/swab.h @@ -0,0 +1,45 @@ +#ifndef _SPARC_SWAB_H +#define _SPARC_SWAB_H + +#include +#include + +#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 */ -- cgit v1.3.1