diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-13 11:22:31 +0900 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-13 11:22:31 +0900 |
commit | 02a650e2820e19fde8f6a49752027217fdd33d78 (patch) | |
tree | 92d97b79941c0cee9a1da1e8a21abc7a661aa0f5 /arch/mn10300/include/uapi/asm/swab.h | |
parent | b6897130f0ac8ac33043be736770eb5f58164044 (diff) | |
parent | 7190632b78de594f3dabe174e9df373bfc790d89 (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.h | 42 |
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 */ |