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author | Harvey Harrison <harvey.harrison@gmail.com> | 2009-01-06 22:56:31 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 02:10:28 (GMT) |
commit | ae189623b7248cd245c068a1aeb4983359f9c088 (patch) | |
tree | 158e83560531408981fc6fc3d82eb9f05d73a706 /arch/ia64/include/asm/swab.h | |
parent | cfcac2f7dd1a580f0fb7b82bbe3eb14c21c87459 (diff) | |
download | linux-fsl-qoriq-ae189623b7248cd245c068a1aeb4983359f9c088.tar.xz |
ia64: 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 'arch/ia64/include/asm/swab.h')
-rw-r--r-- | arch/ia64/include/asm/swab.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/swab.h b/arch/ia64/include/asm/swab.h new file mode 100644 index 0000000..6aa58b6 --- /dev/null +++ b/arch/ia64/include/asm/swab.h @@ -0,0 +1,34 @@ +#ifndef _ASM_IA64_SWAB_H +#define _ASM_IA64_SWAB_H + +/* + * Modified 1998, 1999 + * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co. + */ + +#include <asm/types.h> +#include <asm/intrinsics.h> +#include <linux/compiler.h> + +static __inline__ __attribute_const__ __u64 __arch_swab64(__u64 x) +{ + __u64 result; + + result = ia64_mux1(x, ia64_mux1_rev); + return result; +} +#define __arch_swab64 __arch_swab64 + +static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 x) +{ + return __arch_swab64(x) >> 32; +} +#define __arch_swab32 __arch_swab32 + +static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 x) +{ + return __arch_swab64(x) >> 48; +} +#define __arch_swab16 __arch_swab16 + +#endif /* _ASM_IA64_SWAB_H */ |