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authorLinus Torvalds <torvalds@linux-foundation.org>2012-10-13 11:22:31 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-13 11:22:31 +0900
commit02a650e2820e19fde8f6a49752027217fdd33d78 (patch)
tree92d97b79941c0cee9a1da1e8a21abc7a661aa0f5 /arch/mn10300/include/uapi/asm/swab.h
parentb6897130f0ac8ac33043be736770eb5f58164044 (diff)
parent7190632b78de594f3dabe174e9df373bfc790d89 (diff)
Merge tag 'disintegrate-misc-arches-20121010' of git://git.infradead.org/users/dhowells/linux-headers
Pull UAPI disintegration for misc arches from David Howells: "UAPI disintegration for MN10300, FRV and AVR32 arches" * tag 'disintegrate-misc-arches-20121010' of git://git.infradead.org/users/dhowells/linux-headers: UAPI: (Scripted) Disintegrate arch/mn10300/include/asm UAPI: (Scripted) Disintegrate arch/frv/include/asm UAPI: (Scripted) Disintegrate arch/avr32/include/asm
Diffstat (limited to 'arch/mn10300/include/uapi/asm/swab.h')
-rw-r--r--arch/mn10300/include/uapi/asm/swab.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/mn10300/include/uapi/asm/swab.h b/arch/mn10300/include/uapi/asm/swab.h
new file mode 100644
index 00000000000..bd818a820ca
--- /dev/null
+++ b/arch/mn10300/include/uapi/asm/swab.h
@@ -0,0 +1,42 @@
+/* MN10300 Byte-order primitive construction
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#ifndef _ASM_SWAB_H
+#define _ASM_SWAB_H
+
+#include <linux/types.h>
+
+#ifdef __GNUC__
+
+static inline __attribute__((const))
+__u32 __arch_swab32(__u32 x)
+{
+ __u32 ret;
+ asm("swap %1,%0" : "=r" (ret) : "r" (x));
+ return ret;
+}
+#define __arch_swab32 __arch_swab32
+
+static inline __attribute__((const))
+__u16 __arch_swab16(__u16 x)
+{
+ __u16 ret;
+ asm("swaph %1,%0" : "=r" (ret) : "r" (x));
+ return ret;
+}
+#define __arch_swab32 __arch_swab32
+
+#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+# define __SWAB_64_THRU_32__
+#endif
+
+#endif /* __GNUC__ */
+
+#endif /* _ASM_SWAB_H */