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[S390] s390: use the new byteorder headers 

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Harvey Harrison 2008-12-25 13:39:20 +01:00 committed by Martin Schwidefsky
parent e37f50e181
commit 64253acbf1
1 changed files with 21 additions and 51 deletions
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72
arch/s390/include/asm/byteorder.h
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@ -11,32 +11,39 @@
#include <asm/types.h>
#ifdef __GNUC__
#define __BIG_ENDIAN
#ifndef __s390x__
# define __SWAB_64_THRU_32__
#endif
#ifdef __s390x__
static inline __u64 ___arch__swab64p(const __u64 *x)
static inline __u64 __arch_swab64p(const __u64 *x)
{
__u64 result;
asm volatile("lrvg %0,%1" : "=d" (result) : "m" (*x));
return result;
}
#define __arch_swab64p __arch_swab64p
static inline __u64 ___arch__swab64(__u64 x)
static inline __u64 __arch_swab64(__u64 x)
{
__u64 result;
asm volatile("lrvgr %0,%1" : "=d" (result) : "d" (x));
return result;
}
#define __arch_swab64 __arch_swab64
static inline void ___arch__swab64s(__u64 *x)
static inline void __arch_swab64s(__u64 *x)
{
*x = ___arch__swab64p(x);
*x = __arch_swab64p(x);
}
#define __arch_swab64s __arch_swab64s
#endif /* __s390x__ */
static inline __u32 ___arch__swab32p(const __u32 *x)
static inline __u32 __arch_swab32p(const __u32 *x)
{
__u32 result;
@ -53,25 +60,20 @@ static inline __u32 ___arch__swab32p(const __u32 *x)
#endif /* __s390x__ */
return result;
}
#define __arch_swab32p __arch_swab32p
static inline __u32 ___arch__swab32(__u32 x)
#ifdef __s390x__
static inline __u32 __arch_swab32(__u32 x)
{
#ifndef __s390x__
return ___arch__swab32p(&x);
#else /* __s390x__ */
__u32 result;
asm volatile("lrvr %0,%1" : "=d" (result) : "d" (x));
return result;
}
#define __arch_swab32 __arch_swab32
#endif /* __s390x__ */
}
static __inline__ void ___arch__swab32s(__u32 *x)
{
*x = ___arch__swab32p(x);
}
static __inline__ __u16 ___arch__swab16p(const __u16 *x)
static inline __u16 __arch_swab16p(const __u16 *x)
{
__u16 result;
@ -86,40 +88,8 @@ static __inline__ __u16 ___arch__swab16p(const __u16 *x)
#endif /* __s390x__ */
return result;
}
#define __arch_swab16p __arch_swab16p
static __inline__ __u16 ___arch__swab16(__u16 x)
{
return ___arch__swab16p(&x);
}
static __inline__ void ___arch__swab16s(__u16 *x)
{
*x = ___arch__swab16p(x);
}
#ifdef __s390x__
#define __arch__swab64(x) ___arch__swab64(x)
#define __arch__swab64p(x) ___arch__swab64p(x)
#define __arch__swab64s(x) ___arch__swab64s(x)
#endif /* __s390x__ */
#define __arch__swab32(x) ___arch__swab32(x)
#define __arch__swab16(x) ___arch__swab16(x)
#define __arch__swab32p(x) ___arch__swab32p(x)
#define __arch__swab16p(x) ___arch__swab16p(x)
#define __arch__swab32s(x) ___arch__swab32s(x)
#define __arch__swab16s(x) ___arch__swab16s(x)
#ifndef __s390x__
#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
# define __BYTEORDER_HAS_U64__
# define __SWAB_64_THRU_32__
#endif
#else /* __s390x__ */
#define __BYTEORDER_HAS_U64__
#endif /* __s390x__ */
#endif /* __GNUC__ */
#include <linux/byteorder/big_endian.h>
#include <linux/byteorder.h>
#endif /* _S390_BYTEORDER_H */