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author | Ingo Molnar <mingo@elte.hu> | 2009-01-11 02:42:53 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-11 02:42:53 +0100 |
commit | 506c10f26c481b7f8ef27c1c79290f68989b2e9e (patch) | |
tree | 03de82e812f00957aa6276dac2fe51c3358e88d7 /include/asm-mn10300/swab.h | |
parent | e1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (diff) | |
parent | c59765042f53a79a7a65585042ff463b69cb248c (diff) |
Merge commit 'v2.6.29-rc1' into perfcounters/core
Conflicts:
include/linux/kernel_stat.h
Diffstat (limited to 'include/asm-mn10300/swab.h')
-rw-r--r-- | include/asm-mn10300/swab.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/asm-mn10300/swab.h b/include/asm-mn10300/swab.h new file mode 100644 index 00000000000..4504d1b4b47 --- /dev/null +++ b/include/asm-mn10300/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 <asm/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 */ |