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authorIngo Molnar <mingo@elte.hu>2008-09-14 18:24:00 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-14 18:24:00 +0200
commit83bd6998b04fc1bb7280b14f16b2bdbdc07c914b (patch)
treeaf1bbe2bac5752b69b1ac58bf5d822c735da439b /arch/ia64/include/asm/byteorder.h
parente7250b8ae3870f37f660c2f65cafcaba85e3bfd3 (diff)
parentadee14b2e1557d0a8559f29681732d05a89dfc35 (diff)
Merge commit 'v2.6.27-rc6' into timers/hpet
Diffstat (limited to 'arch/ia64/include/asm/byteorder.h')
-rw-r--r--arch/ia64/include/asm/byteorder.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/byteorder.h b/arch/ia64/include/asm/byteorder.h
new file mode 100644
index 00000000000..69bd41d7c26
--- /dev/null
+++ b/arch/ia64/include/asm/byteorder.h
@@ -0,0 +1,42 @@
+#ifndef _ASM_IA64_BYTEORDER_H
+#define _ASM_IA64_BYTEORDER_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
+__ia64_swab64 (__u64 x)
+{
+ __u64 result;
+
+ result = ia64_mux1(x, ia64_mux1_rev);
+ return result;
+}
+
+static __inline__ __attribute_const__ __u32
+__ia64_swab32 (__u32 x)
+{
+ return __ia64_swab64(x) >> 32;
+}
+
+static __inline__ __attribute_const__ __u16
+__ia64_swab16(__u16 x)
+{
+ return __ia64_swab64(x) >> 48;
+}
+
+#define __arch__swab64(x) __ia64_swab64(x)
+#define __arch__swab32(x) __ia64_swab32(x)
+#define __arch__swab16(x) __ia64_swab16(x)
+
+#define __BYTEORDER_HAS_U64__
+
+#include <linux/byteorder/little_endian.h>
+
+#endif /* _ASM_IA64_BYTEORDER_H */