diff options
Diffstat (limited to 'include/asm-sparc64/byteorder.h')
-rw-r--r-- | include/asm-sparc64/byteorder.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/asm-sparc64/byteorder.h b/include/asm-sparc64/byteorder.h new file mode 100644 index 000000000000..c69b08af5fe0 --- /dev/null +++ b/include/asm-sparc64/byteorder.h @@ -0,0 +1,50 @@ +/* $Id: byteorder.h,v 1.8 1997/12/18 02:44:14 ecd Exp $ */ +#ifndef _SPARC64_BYTEORDER_H +#define _SPARC64_BYTEORDER_H + +#include <asm/types.h> +#include <asm/asi.h> + +#ifdef __GNUC__ + +static __inline__ __u16 ___arch__swab16p(const __u16 *addr) +{ + __u16 ret; + + __asm__ __volatile__ ("lduha [%1] %2, %0" + : "=r" (ret) + : "r" (addr), "i" (ASI_PL)); + return ret; +} + +static __inline__ __u32 ___arch__swab32p(const __u32 *addr) +{ + __u32 ret; + + __asm__ __volatile__ ("lduwa [%1] %2, %0" + : "=r" (ret) + : "r" (addr), "i" (ASI_PL)); + return ret; +} + +static __inline__ __u64 ___arch__swab64p(const __u64 *addr) +{ + __u64 ret; + + __asm__ __volatile__ ("ldxa [%1] %2, %0" + : "=r" (ret) + : "r" (addr), "i" (ASI_PL)); + return ret; +} + +#define __arch__swab16p(x) ___arch__swab16p(x) +#define __arch__swab32p(x) ___arch__swab32p(x) +#define __arch__swab64p(x) ___arch__swab64p(x) + +#define __BYTEORDER_HAS_U64__ + +#endif /* __GNUC__ */ + +#include <linux/byteorder/big_endian.h> + +#endif /* _SPARC64_BYTEORDER_H */ |