patch-2.4.2 linux/include/asm-s390x/byteorder.h

• Lines: 114
• Date: Tue Feb 13 14:13:44 2001
• Orig file: v2.4.1/linux/include/asm-s390x/byteorder.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.1/linux/include/asm-s390x/byteorder.h linux/include/asm-s390x/byteorder.h
@@ -0,0 +1,113 @@
+#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,%1\n"
+	  "   stg  %0,%1"
+          : : "m" (*x) : "memory");
+}
+
+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,%1\n"
+	  "   st   %0,%1"
+          : : "m" (*x) : "memory");
+}
+
+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,%1\n"
+	  "   sth  %0,%1"
+          : : "m" (*x) : "memory");
+}
+
+#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)
+
+#define __BYTEORDER_HAS_U64__
+
+#endif /* __GNUC__ */
+
+#include <linux/byteorder/big_endian.h>
+
+#endif /* _S390_BYTEORDER_H */