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authorDavid Vrabel <david.vrabel@csr.com>2009-01-07 10:45:25 +0000
committerDavid Vrabel <david.vrabel@csr.com>2009-01-07 10:45:25 +0000
commita23e66f3b8cfdedec14541e71ef29a754870a20c (patch)
treef8ac23572982e92e6f8ae09c4039db627bdf53ee /arch/ia64/include/asm/swab.h
parent04c470adb01c62bb9bd663cfc4875cf0a4eb01ab (diff)
parentede6f5aea054d3fb67c78857f7abdee602302043 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Diffstat (limited to 'arch/ia64/include/asm/swab.h')
-rw-r--r--arch/ia64/include/asm/swab.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/swab.h b/arch/ia64/include/asm/swab.h
new file mode 100644
index 00000000000..6aa58b699ee
--- /dev/null
+++ b/arch/ia64/include/asm/swab.h
@@ -0,0 +1,34 @@
+#ifndef _ASM_IA64_SWAB_H
+#define _ASM_IA64_SWAB_H
+
+/*
+ * Modified 1998, 1999
+ * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co.
+ */
+
+#include <asm/types.h>
+#include <asm/intrinsics.h>
+#include <linux/compiler.h>
+
+static __inline__ __attribute_const__ __u64 __arch_swab64(__u64 x)
+{
+ __u64 result;
+
+ result = ia64_mux1(x, ia64_mux1_rev);
+ return result;
+}
+#define __arch_swab64 __arch_swab64
+
+static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 x)
+{
+ return __arch_swab64(x) >> 32;
+}
+#define __arch_swab32 __arch_swab32
+
+static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 x)
+{
+ return __arch_swab64(x) >> 48;
+}
+#define __arch_swab16 __arch_swab16
+
+#endif /* _ASM_IA64_SWAB_H */