summaryrefslogtreecommitdiffstats
path: root/arch/mn10300/include/uapi/asm/swab.h
diff options
context:
space:
mode:
authorDavid Howells <dhowells@redhat.com>2012-10-10 12:10:10 +0100
committerDavid Howells <dhowells@redhat.com>2012-10-10 12:10:10 +0100
commit3b2267e0c8898b8d2e8de024eaae570505456836 (patch)
tree22962ef897dafb32adba96800c9e4f13693922fc /arch/mn10300/include/uapi/asm/swab.h
parent42859eea96ba6beabfb0369a1eeffa3c7d2bd9cb (diff)
downloadop-kernel-dev-3b2267e0c8898b8d2e8de024eaae570505456836.zip
op-kernel-dev-3b2267e0c8898b8d2e8de024eaae570505456836.tar.gz
UAPI: (Scripted) Disintegrate arch/mn10300/include/asm
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
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 0000000..bd818a8
--- /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 */
OpenPOWER on IntegriCloud