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byteorder.h
Package: linux-2.4.20.tar.gz [view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 2k
Category:
Linux-Unix program
Development Platform:
Unix_Linux
- #ifndef _S390_BYTEORDER_H
- #define _S390_BYTEORDER_H
- /*
- * include/asm-s390/byteorder.h
- *
- * S390 version
- * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
- * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
- */
- #include <asm/types.h>
- #ifdef __GNUC__
- static __inline__ __const__ __u64 ___arch__swab64(__u64 x)
- {
- __u64 result;
- __asm__ __volatile__ (
- " lrvg %0,%1"
- : "=&d" (result) : "m" (x) );
- return result;
- }
- static __inline__ __const__ __u64 ___arch__swab64p(__u64 *x)
- {
- __u64 result;
- __asm__ __volatile__ (
- " lrvg %0,%1"
- : "=d" (result) : "m" (*x) );
- return result;
- }
- static __inline__ void ___arch__swab64s(__u64 *x)
- {
- __asm__ __volatile__ (
- " lrvg 0,%0n"
- " stg 0,%0"
- : "+m" (*x) : : "0");
- }
- static __inline__ __const__ __u32 ___arch__swab32(__u32 x)
- {
- __u32 result;
- __asm__ __volatile__ (
- " lrv %0,%1"
- : "=&d" (result) : "m" (x) );
- return result;
- }
- static __inline__ __const__ __u32 ___arch__swab32p(__u32 *x)
- {
- __u32 result;
- __asm__ __volatile__ (
- " lrv %0,%1"
- : "=d" (result) : "m" (*x) );
- return result;
- }
- static __inline__ void ___arch__swab32s(__u32 *x)
- {
- __asm__ __volatile__ (
- " lrv 0,%0n"
- " st 0,%0"
- : "+m" (*x) : : "0" );
- }
- static __inline__ __const__ __u16 ___arch__swab16(__u16 x)
- {
- __u16 result;
- __asm__ __volatile__ (
- " lrvh %0,%1"
- : "=d" (result) : "m" (x) );
- return result;
- }
- static __inline__ __const__ __u16 ___arch__swab16p(__u16 *x)
- {
- __u16 result;
- __asm__ __volatile__ (
- " lrvh %0,%1"
- : "=d" (result) : "m" (*x) );
- return result;
- }
- static __inline__ void ___arch__swab16s(__u16 *x)
- {
- __asm__ __volatile__ (
- " lrvh 0,%0n"
- " sth 0,%0"
- : "+m" (*x) : : "0" );
- }
- #define __arch__swab64(x) ___arch__swab64(x)
- #define __arch__swab32(x) ___arch__swab32(x)
- #define __arch__swab16(x) ___arch__swab16(x)
- #define __arch__swab64p(x) ___arch__swab64p(x)
- #define __arch__swab32p(x) ___arch__swab32p(x)
- #define __arch__swab16p(x) ___arch__swab16p(x)
- #define __arch__swab64s(x) ___arch__swab64s(x)
- #define __arch__swab32s(x) ___arch__swab32s(x)
- #define __arch__swab16s(x) ___arch__swab16s(x)
- #define __BYTEORDER_HAS_U64__
- #endif /* __GNUC__ */
- #include <linux/byteorder/big_endian.h>
- #endif /* _S390_BYTEORDER_H */