diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-03-25 18:31:35 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-03-25 18:31:35 +0000 |
| commit | 8937b7349ca9e25a02b2a72ccb7fba404ddedc5b (patch) | |
| tree | 434ffe23d318f8af55850a26c3431ce8b82ab6f4 /arch/m68k/include/asm/swab.h | |
| parent | 997302259f386bca8fe1db67c50296ca426c438f (diff) | |
| parent | ffe7f95bb1a4d1e9ca5d252445dc38476e1a208e (diff) | |
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel
Diffstat (limited to 'arch/m68k/include/asm/swab.h')
| -rw-r--r-- | arch/m68k/include/asm/swab.h | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/arch/m68k/include/asm/swab.h b/arch/m68k/include/asm/swab.h index 7d7dde1c73e..9e3054ea59e 100644 --- a/arch/m68k/include/asm/swab.h +++ b/arch/m68k/include/asm/swab.h @@ -1,5 +1,27 @@ -#ifdef __uClinux__ -#include "swab_no.h" -#else -#include "swab_mm.h" +#ifndef _M68K_SWAB_H +#define _M68K_SWAB_H + +#include <asm/types.h> +#include <linux/compiler.h> + +#define __SWAB_64_THRU_32__ + +#if defined (__mcfisaaplus__) || defined (__mcfisac__) +static inline __attribute_const__ __u32 __arch_swab32(__u32 val) +{ + __asm__("byterev %0" : "=d" (val) : "0" (val)); + return val; +} + +#define __arch_swab32 __arch_swab32 +#elif !defined(__uClinux__) + +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 + +#endif /* _M68K_SWAB_H */ |