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author | David Howells <dhowells@redhat.com> | 2009-04-10 13:19:03 (GMT) |
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committer | David Howells <dhowells@redhat.com> | 2009-04-10 13:19:03 (GMT) |
commit | da7616610c8d2ec16a8ada44216e836e5fcbd08b (patch) | |
tree | ef3e8ccc7a01694c0ab0eeea387bc46a8807669e /arch/mn10300/include/asm/swab.h | |
parent | 62b8e680e61d3f48f2a12ee248ca03ea8f376926 (diff) | |
download | linux-fsl-qoriq-da7616610c8d2ec16a8ada44216e836e5fcbd08b.tar.xz |
Move arch headers from include/asm-mn10300/ to arch/mn10300/include/asm/.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/mn10300/include/asm/swab.h')
-rw-r--r-- | arch/mn10300/include/asm/swab.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/swab.h b/arch/mn10300/include/asm/swab.h new file mode 100644 index 0000000..bd818a8 --- /dev/null +++ b/arch/mn10300/include/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 */ |