diff options
| author | Harvey Harrison <harvey.harrison@gmail.com> | 2009-01-06 14:56:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 18:10:27 -0800 |
| commit | c6f09f0c32e5e30b91dea901f00251173fe997f4 (patch) | |
| tree | 163597626d012e325229d2c9e3dc3e2066857d73 /include/asm-m68k/swab.h | |
| parent | 5d30a683888c60b8f93bef3ddc139d1a91ca58f4 (diff) | |
m68k: introduce asm/swab.h
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-m68k/swab.h')
| -rw-r--r-- | include/asm-m68k/swab.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-m68k/swab.h b/include/asm-m68k/swab.h new file mode 100644 index 00000000000..7221e306682 --- /dev/null +++ b/include/asm-m68k/swab.h @@ -0,0 +1,16 @@ +#ifndef _M68K_SWAB_H +#define _M68K_SWAB_H + +#include <asm/types.h> +#include <linux/compiler.h> + +#define __SWAB_64_THRU_32__ + +static inline __attribute_const__ __u32 __arch_swab32(__u32 val) +{ + __asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val)); + return val; +} +#define __arch_swab32 __arch_swab32 + +#endif /* _M68K_SWAB_H */ |